Standalone running version of AdmAQL101 demo
diff --git a/asterix-examples/src/main/resources/intro/README.md b/asterix-examples/src/main/resources/intro/README.md
new file mode 100755
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+++ b/asterix-examples/src/main/resources/intro/README.md
@@ -0,0 +1,19 @@
+# Black Cherry Demo
+Author: Eugenia Gabrielova (genia.likes.science@gmail.com)
+
+## Dependencies
+
+A running, local AsterixDB instance (via Managix), of the latest master version.
+http://asterix.ics.uci.edu/documentation/install.html
+
+Python Requests Library
+http://docs.python-requests.org/en/latest/user/install/#install
+
+## Steps
+
+0. Install Python Requests, if you have not already
+
+1. Go to the top level of this demo and run
+$ python run_101_demo.py
+
+2. Enjoy http://localhost:8081/
diff --git a/asterix-examples/src/main/resources/intro/admaql101.py b/asterix-examples/src/main/resources/intro/admaql101.py
new file mode 100755
index 0000000..295fee6
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+++ b/asterix-examples/src/main/resources/intro/admaql101.py
@@ -0,0 +1,47 @@
+import os
+import json
+import sys
+
+import requests
+from requests import ConnectionError, HTTPError
+
+def bootstrap():
+ asterix_host = "localhost"
+ asterix_port = 19002
+
+ # First, let's get the path to this script, we'll need it to configure the demo.
+ base = os.path.dirname(os.path.realpath(__file__))
+ print "Running AdmAQL101 from",base
+
+ # First, we bootstrap our request query
+ print "Loading TinySocial Dataset..."
+ query_statement = open("tinysocial/query.txt").read().split("load")
+ for i in range(1,5):
+ query_statement[i] = "load" + query_statement[i].replace("FULL_PATH",base + "/tinysocial")
+
+ ddl = {
+ 'ddl': query_statement[0]
+ }
+
+ load = {
+ "statements" : "use dataverse TinySocial; " + "\n".join(query_statement[1:5])
+ }
+
+ http_header = {
+ 'content-type': 'application/json'
+ }
+
+ # Now we run our query
+ print "Running query...\n"
+
+ ddl_url = "http://" + asterix_host + ":" + str(asterix_port) + "/ddl"
+ update_url = "http://" + asterix_host + ":" + str(asterix_port) + "/update"
+
+ try:
+ requests.get(ddl_url, params=ddl)
+ response = requests.get(update_url, params=load, headers=http_header)
+ except (ConnectionError, HTTPError):
+ print "Encountered connection error; stopping execution"
+ sys.exit(1)
+
+ return True
diff --git a/asterix-examples/src/main/resources/intro/bottle.py b/asterix-examples/src/main/resources/intro/bottle.py
new file mode 100755
index 0000000..a4a7e79
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/bottle.py
@@ -0,0 +1,3256 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+Bottle is a fast and simple micro-framework for small web applications. It
+offers request dispatching (Routes) with url parameter support, templates,
+a built-in HTTP Server and adapters for many third party WSGI/HTTP-server and
+template engines - all in a single file and with no dependencies other than the
+Python Standard Library.
+
+Homepage and documentation: http://bottlepy.org/
+
+Copyright (c) 2012, Marcel Hellkamp.
+License: MIT (see LICENSE for details)
+"""
+
+from __future__ import with_statement
+
+__author__ = 'Marcel Hellkamp'
+__version__ = '0.11.6'
+__license__ = 'MIT'
+
+# The gevent server adapter needs to patch some modules before they are imported
+# This is why we parse the commandline parameters here but handle them later
+if __name__ == '__main__':
+ from optparse import OptionParser
+ _cmd_parser = OptionParser(usage="usage: %prog [options] package.module:app")
+ _opt = _cmd_parser.add_option
+ _opt("--version", action="store_true", help="show version number.")
+ _opt("-b", "--bind", metavar="ADDRESS", help="bind socket to ADDRESS.")
+ _opt("-s", "--server", default='wsgiref', help="use SERVER as backend.")
+ _opt("-p", "--plugin", action="append", help="install additional plugin/s.")
+ _opt("--debug", action="store_true", help="start server in debug mode.")
+ _opt("--reload", action="store_true", help="auto-reload on file changes.")
+ _cmd_options, _cmd_args = _cmd_parser.parse_args()
+ if _cmd_options.server and _cmd_options.server.startswith('gevent'):
+ import gevent.monkey; gevent.monkey.patch_all()
+
+import base64, cgi, email.utils, functools, hmac, imp, itertools, mimetypes,\
+ os, re, subprocess, sys, tempfile, threading, time, urllib, warnings
+
+from datetime import date as datedate, datetime, timedelta
+from tempfile import TemporaryFile
+from traceback import format_exc, print_exc
+
+try: from json import dumps as json_dumps, loads as json_lds
+except ImportError: # pragma: no cover
+ try: from simplejson import dumps as json_dumps, loads as json_lds
+ except ImportError:
+ try: from django.utils.simplejson import dumps as json_dumps, loads as json_lds
+ except ImportError:
+ def json_dumps(data):
+ raise ImportError("JSON support requires Python 2.6 or simplejson.")
+ json_lds = json_dumps
+
+
+
+# We now try to fix 2.5/2.6/3.1/3.2 incompatibilities.
+# It ain't pretty but it works... Sorry for the mess.
+
+py = sys.version_info
+py3k = py >= (3,0,0)
+py25 = py < (2,6,0)
+py31 = (3,1,0) <= py < (3,2,0)
+
+# Workaround for the missing "as" keyword in py3k.
+def _e(): return sys.exc_info()[1]
+
+# Workaround for the "print is a keyword/function" Python 2/3 dilemma
+# and a fallback for mod_wsgi (resticts stdout/err attribute access)
+try:
+ _stdout, _stderr = sys.stdout.write, sys.stderr.write
+except IOError:
+ _stdout = lambda x: sys.stdout.write(x)
+ _stderr = lambda x: sys.stderr.write(x)
+
+# Lots of stdlib and builtin differences.
+if py3k:
+ import http.client as httplib
+ import _thread as thread
+ from urllib.parse import urljoin, SplitResult as UrlSplitResult
+ from urllib.parse import urlencode, quote as urlquote, unquote as urlunquote
+ urlunquote = functools.partial(urlunquote, encoding='latin1')
+ from http.cookies import SimpleCookie
+ from collections import MutableMapping as DictMixin
+ import pickle
+ from io import BytesIO
+ basestring = str
+ unicode = str
+ json_loads = lambda s: json_lds(touni(s))
+ callable = lambda x: hasattr(x, '__call__')
+ imap = map
+else: # 2.x
+ import httplib
+ import thread
+ from urlparse import urljoin, SplitResult as UrlSplitResult
+ from urllib import urlencode, quote as urlquote, unquote as urlunquote
+ from Cookie import SimpleCookie
+ from itertools import imap
+ import cPickle as pickle
+ from StringIO import StringIO as BytesIO
+ if py25:
+ msg = "Python 2.5 support may be dropped in future versions of Bottle."
+ warnings.warn(msg, DeprecationWarning)
+ from UserDict import DictMixin
+ def next(it): return it.next()
+ bytes = str
+ else: # 2.6, 2.7
+ from collections import MutableMapping as DictMixin
+ json_loads = json_lds
+
+# Some helpers for string/byte handling
+def tob(s, enc='utf8'):
+ return s.encode(enc) if isinstance(s, unicode) else bytes(s)
+def touni(s, enc='utf8', err='strict'):
+ return s.decode(enc, err) if isinstance(s, bytes) else unicode(s)
+tonat = touni if py3k else tob
+
+# 3.2 fixes cgi.FieldStorage to accept bytes (which makes a lot of sense).
+# 3.1 needs a workaround.
+if py31:
+ from io import TextIOWrapper
+ class NCTextIOWrapper(TextIOWrapper):
+ def close(self): pass # Keep wrapped buffer open.
+
+# File uploads (which are implemented as empty FiledStorage instances...)
+# have a negative truth value. That makes no sense, here is a fix.
+class FieldStorage(cgi.FieldStorage):
+ def __nonzero__(self): return bool(self.list or self.file)
+ if py3k: __bool__ = __nonzero__
+
+# A bug in functools causes it to break if the wrapper is an instance method
+def update_wrapper(wrapper, wrapped, *a, **ka):
+ try: functools.update_wrapper(wrapper, wrapped, *a, **ka)
+ except AttributeError: pass
+
+
+
+# These helpers are used at module level and need to be defined first.
+# And yes, I know PEP-8, but sometimes a lower-case classname makes more sense.
+
+def depr(message):
+ warnings.warn(message, DeprecationWarning, stacklevel=3)
+
+def makelist(data): # This is just to handy
+ if isinstance(data, (tuple, list, set, dict)): return list(data)
+ elif data: return [data]
+ else: return []
+
+
+class DictProperty(object):
+ ''' Property that maps to a key in a local dict-like attribute. '''
+ def __init__(self, attr, key=None, read_only=False):
+ self.attr, self.key, self.read_only = attr, key, read_only
+
+ def __call__(self, func):
+ functools.update_wrapper(self, func, updated=[])
+ self.getter, self.key = func, self.key or func.__name__
+ return self
+
+ def __get__(self, obj, cls):
+ if obj is None: return self
+ key, storage = self.key, getattr(obj, self.attr)
+ if key not in storage: storage[key] = self.getter(obj)
+ return storage[key]
+
+ def __set__(self, obj, value):
+ if self.read_only: raise AttributeError("Read-Only property.")
+ getattr(obj, self.attr)[self.key] = value
+
+ def __delete__(self, obj):
+ if self.read_only: raise AttributeError("Read-Only property.")
+ del getattr(obj, self.attr)[self.key]
+
+
+class cached_property(object):
+ ''' A property that is only computed once per instance and then replaces
+ itself with an ordinary attribute. Deleting the attribute resets the
+ property. '''
+
+ def __init__(self, func):
+ self.func = func
+
+ def __get__(self, obj, cls):
+ if obj is None: return self
+ value = obj.__dict__[self.func.__name__] = self.func(obj)
+ return value
+
+
+class lazy_attribute(object):
+ ''' A property that caches itself to the class object. '''
+ def __init__(self, func):
+ functools.update_wrapper(self, func, updated=[])
+ self.getter = func
+
+ def __get__(self, obj, cls):
+ value = self.getter(cls)
+ setattr(cls, self.__name__, value)
+ return value
+
+
+
+
+
+
+###############################################################################
+# Exceptions and Events ########################################################
+###############################################################################
+
+
+class BottleException(Exception):
+ """ A base class for exceptions used by bottle. """
+ pass
+
+
+
+
+
+
+###############################################################################
+# Routing ######################################################################
+###############################################################################
+
+
+class RouteError(BottleException):
+ """ This is a base class for all routing related exceptions """
+
+
+class RouteReset(BottleException):
+ """ If raised by a plugin or request handler, the route is reset and all
+ plugins are re-applied. """
+
+class RouterUnknownModeError(RouteError): pass
+
+
+class RouteSyntaxError(RouteError):
+ """ The route parser found something not supported by this router """
+
+
+class RouteBuildError(RouteError):
+ """ The route could not been built """
+
+
+class Router(object):
+ ''' A Router is an ordered collection of route->target pairs. It is used to
+ efficiently match WSGI requests against a number of routes and return
+ the first target that satisfies the request. The target may be anything,
+ usually a string, ID or callable object. A route consists of a path-rule
+ and a HTTP method.
+
+ The path-rule is either a static path (e.g. `/contact`) or a dynamic
+ path that contains wildcards (e.g. `/wiki/<page>`). The wildcard syntax
+ and details on the matching order are described in docs:`routing`.
+ '''
+
+ default_pattern = '[^/]+'
+ default_filter = 're'
+ #: Sorry for the mess. It works. Trust me.
+ rule_syntax = re.compile('(\\\\*)'\
+ '(?:(?::([a-zA-Z_][a-zA-Z_0-9]*)?()(?:#(.*?)#)?)'\
+ '|(?:<([a-zA-Z_][a-zA-Z_0-9]*)?(?::([a-zA-Z_]*)'\
+ '(?::((?:\\\\.|[^\\\\>]+)+)?)?)?>))')
+
+ def __init__(self, strict=False):
+ self.rules = {} # A {rule: Rule} mapping
+ self.builder = {} # A rule/name->build_info mapping
+ self.static = {} # Cache for static routes: {path: {method: target}}
+ self.dynamic = [] # Cache for dynamic routes. See _compile()
+ #: If true, static routes are no longer checked first.
+ self.strict_order = strict
+ self.filters = {'re': self.re_filter, 'int': self.int_filter,
+ 'float': self.float_filter, 'path': self.path_filter}
+
+ def re_filter(self, conf):
+ return conf or self.default_pattern, None, None
+
+ def int_filter(self, conf):
+ return r'-?\d+', int, lambda x: str(int(x))
+
+ def float_filter(self, conf):
+ return r'-?[\d.]+', float, lambda x: str(float(x))
+
+ def path_filter(self, conf):
+ return r'.+?', None, None
+
+ def add_filter(self, name, func):
+ ''' Add a filter. The provided function is called with the configuration
+ string as parameter and must return a (regexp, to_python, to_url) tuple.
+ The first element is a string, the last two are callables or None. '''
+ self.filters[name] = func
+
+ def parse_rule(self, rule):
+ ''' Parses a rule into a (name, filter, conf) token stream. If mode is
+ None, name contains a static rule part. '''
+ offset, prefix = 0, ''
+ for match in self.rule_syntax.finditer(rule):
+ prefix += rule[offset:match.start()]
+ g = match.groups()
+ if len(g[0])%2: # Escaped wildcard
+ prefix += match.group(0)[len(g[0]):]
+ offset = match.end()
+ continue
+ if prefix: yield prefix, None, None
+ name, filtr, conf = g[1:4] if not g[2] is None else g[4:7]
+ if not filtr: filtr = self.default_filter
+ yield name, filtr, conf or None
+ offset, prefix = match.end(), ''
+ if offset <= len(rule) or prefix:
+ yield prefix+rule[offset:], None, None
+
+ def add(self, rule, method, target, name=None):
+ ''' Add a new route or replace the target for an existing route. '''
+ if rule in self.rules:
+ self.rules[rule][method] = target
+ if name: self.builder[name] = self.builder[rule]
+ return
+
+ target = self.rules[rule] = {method: target}
+
+ # Build pattern and other structures for dynamic routes
+ anons = 0 # Number of anonymous wildcards
+ pattern = '' # Regular expression pattern
+ filters = [] # Lists of wildcard input filters
+ builder = [] # Data structure for the URL builder
+ is_static = True
+ for key, mode, conf in self.parse_rule(rule):
+ if mode:
+ is_static = False
+ mask, in_filter, out_filter = self.filters[mode](conf)
+ if key:
+ pattern += '(?P<%s>%s)' % (key, mask)
+ else:
+ pattern += '(?:%s)' % mask
+ key = 'anon%d' % anons; anons += 1
+ if in_filter: filters.append((key, in_filter))
+ builder.append((key, out_filter or str))
+ elif key:
+ pattern += re.escape(key)
+ builder.append((None, key))
+ self.builder[rule] = builder
+ if name: self.builder[name] = builder
+
+ if is_static and not self.strict_order:
+ self.static[self.build(rule)] = target
+ return
+
+ def fpat_sub(m):
+ return m.group(0) if len(m.group(1)) % 2 else m.group(1) + '(?:'
+ flat_pattern = re.sub(r'(\\*)(\(\?P<[^>]*>|\((?!\?))', fpat_sub, pattern)
+
+ try:
+ re_match = re.compile('^(%s)$' % pattern).match
+ except re.error:
+ raise RouteSyntaxError("Could not add Route: %s (%s)" % (rule, _e()))
+
+ def match(path):
+ """ Return an url-argument dictionary. """
+ url_args = re_match(path).groupdict()
+ for name, wildcard_filter in filters:
+ try:
+ url_args[name] = wildcard_filter(url_args[name])
+ except ValueError:
+ raise HTTPError(400, 'Path has wrong format.')
+ return url_args
+
+ try:
+ combined = '%s|(^%s$)' % (self.dynamic[-1][0].pattern, flat_pattern)
+ self.dynamic[-1] = (re.compile(combined), self.dynamic[-1][1])
+ self.dynamic[-1][1].append((match, target))
+ except (AssertionError, IndexError): # AssertionError: Too many groups
+ self.dynamic.append((re.compile('(^%s$)' % flat_pattern),
+ [(match, target)]))
+ return match
+
+ def build(self, _name, *anons, **query):
+ ''' Build an URL by filling the wildcards in a rule. '''
+ builder = self.builder.get(_name)
+ if not builder: raise RouteBuildError("No route with that name.", _name)
+ try:
+ for i, value in enumerate(anons): query['anon%d'%i] = value
+ url = ''.join([f(query.pop(n)) if n else f for (n,f) in builder])
+ return url if not query else url+'?'+urlencode(query)
+ except KeyError:
+ raise RouteBuildError('Missing URL argument: %r' % _e().args[0])
+
+ def match(self, environ):
+ ''' Return a (target, url_agrs) tuple or raise HTTPError(400/404/405). '''
+ path, targets, urlargs = environ['PATH_INFO'] or '/', None, {}
+ if path in self.static:
+ targets = self.static[path]
+ else:
+ for combined, rules in self.dynamic:
+ match = combined.match(path)
+ if not match: continue
+ getargs, targets = rules[match.lastindex - 1]
+ urlargs = getargs(path) if getargs else {}
+ break
+
+ if not targets:
+ raise HTTPError(404, "Not found: " + repr(environ['PATH_INFO']))
+ method = environ['REQUEST_METHOD'].upper()
+ if method in targets:
+ return targets[method], urlargs
+ if method == 'HEAD' and 'GET' in targets:
+ return targets['GET'], urlargs
+ if 'ANY' in targets:
+ return targets['ANY'], urlargs
+ allowed = [verb for verb in targets if verb != 'ANY']
+ if 'GET' in allowed and 'HEAD' not in allowed:
+ allowed.append('HEAD')
+ raise HTTPError(405, "Method not allowed.", Allow=",".join(allowed))
+
+
+class Route(object):
+ ''' This class wraps a route callback along with route specific metadata and
+ configuration and applies Plugins on demand. It is also responsible for
+ turing an URL path rule into a regular expression usable by the Router.
+ '''
+
+ def __init__(self, app, rule, method, callback, name=None,
+ plugins=None, skiplist=None, **config):
+ #: The application this route is installed to.
+ self.app = app
+ #: The path-rule string (e.g. ``/wiki/:page``).
+ self.rule = rule
+ #: The HTTP method as a string (e.g. ``GET``).
+ self.method = method
+ #: The original callback with no plugins applied. Useful for introspection.
+ self.callback = callback
+ #: The name of the route (if specified) or ``None``.
+ self.name = name or None
+ #: A list of route-specific plugins (see :meth:`Bottle.route`).
+ self.plugins = plugins or []
+ #: A list of plugins to not apply to this route (see :meth:`Bottle.route`).
+ self.skiplist = skiplist or []
+ #: Additional keyword arguments passed to the :meth:`Bottle.route`
+ #: decorator are stored in this dictionary. Used for route-specific
+ #: plugin configuration and meta-data.
+ self.config = ConfigDict(config)
+
+ def __call__(self, *a, **ka):
+ depr("Some APIs changed to return Route() instances instead of"\
+ " callables. Make sure to use the Route.call method and not to"\
+ " call Route instances directly.")
+ return self.call(*a, **ka)
+
+ @cached_property
+ def call(self):
+ ''' The route callback with all plugins applied. This property is
+ created on demand and then cached to speed up subsequent requests.'''
+ return self._make_callback()
+
+ def reset(self):
+ ''' Forget any cached values. The next time :attr:`call` is accessed,
+ all plugins are re-applied. '''
+ self.__dict__.pop('call', None)
+
+ def prepare(self):
+ ''' Do all on-demand work immediately (useful for debugging).'''
+ self.call
+
+ @property
+ def _context(self):
+ depr('Switch to Plugin API v2 and access the Route object directly.')
+ return dict(rule=self.rule, method=self.method, callback=self.callback,
+ name=self.name, app=self.app, config=self.config,
+ apply=self.plugins, skip=self.skiplist)
+
+ def all_plugins(self):
+ ''' Yield all Plugins affecting this route. '''
+ unique = set()
+ for p in reversed(self.app.plugins + self.plugins):
+ if True in self.skiplist: break
+ name = getattr(p, 'name', False)
+ if name and (name in self.skiplist or name in unique): continue
+ if p in self.skiplist or type(p) in self.skiplist: continue
+ if name: unique.add(name)
+ yield p
+
+ def _make_callback(self):
+ callback = self.callback
+ for plugin in self.all_plugins():
+ try:
+ if hasattr(plugin, 'apply'):
+ api = getattr(plugin, 'api', 1)
+ context = self if api > 1 else self._context
+ callback = plugin.apply(callback, context)
+ else:
+ callback = plugin(callback)
+ except RouteReset: # Try again with changed configuration.
+ return self._make_callback()
+ if not callback is self.callback:
+ update_wrapper(callback, self.callback)
+ return callback
+
+ def __repr__(self):
+ return '<%s %r %r>' % (self.method, self.rule, self.callback)
+
+
+
+
+
+
+###############################################################################
+# Application Object ###########################################################
+###############################################################################
+
+
+class Bottle(object):
+ """ Each Bottle object represents a single, distinct web application and
+ consists of routes, callbacks, plugins, resources and configuration.
+ Instances are callable WSGI applications.
+
+ :param catchall: If true (default), handle all exceptions. Turn off to
+ let debugging middleware handle exceptions.
+ """
+
+ def __init__(self, catchall=True, autojson=True):
+ #: If true, most exceptions are caught and returned as :exc:`HTTPError`
+ self.catchall = catchall
+
+ #: A :class:`ResourceManager` for application files
+ self.resources = ResourceManager()
+
+ #: A :class:`ConfigDict` for app specific configuration.
+ self.config = ConfigDict()
+ self.config.autojson = autojson
+
+ self.routes = [] # List of installed :class:`Route` instances.
+ self.router = Router() # Maps requests to :class:`Route` instances.
+ self.error_handler = {}
+
+ # Core plugins
+ self.plugins = [] # List of installed plugins.
+ self.hooks = HooksPlugin()
+ self.install(self.hooks)
+ if self.config.autojson:
+ self.install(JSONPlugin())
+ self.install(TemplatePlugin())
+
+
+ def mount(self, prefix, app, **options):
+ ''' Mount an application (:class:`Bottle` or plain WSGI) to a specific
+ URL prefix. Example::
+
+ root_app.mount('/admin/', admin_app)
+
+ :param prefix: path prefix or `mount-point`. If it ends in a slash,
+ that slash is mandatory.
+ :param app: an instance of :class:`Bottle` or a WSGI application.
+
+ All other parameters are passed to the underlying :meth:`route` call.
+ '''
+ if isinstance(app, basestring):
+ prefix, app = app, prefix
+ depr('Parameter order of Bottle.mount() changed.') # 0.10
+
+ segments = [p for p in prefix.split('/') if p]
+ if not segments: raise ValueError('Empty path prefix.')
+ path_depth = len(segments)
+
+ def mountpoint_wrapper():
+ try:
+ request.path_shift(path_depth)
+ rs = HTTPResponse([])
+ def start_response(status, headerlist):
+ rs.status = status
+ for name, value in headerlist: rs.add_header(name, value)
+ return rs.body.append
+ body = app(request.environ, start_response)
+ if body and rs.body: body = itertools.chain(rs.body, body)
+ rs.body = body or rs.body
+ return rs
+ finally:
+ request.path_shift(-path_depth)
+
+ options.setdefault('skip', True)
+ options.setdefault('method', 'ANY')
+ options.setdefault('mountpoint', {'prefix': prefix, 'target': app})
+ options['callback'] = mountpoint_wrapper
+
+ self.route('/%s/<:re:.*>' % '/'.join(segments), **options)
+ if not prefix.endswith('/'):
+ self.route('/' + '/'.join(segments), **options)
+
+ def merge(self, routes):
+ ''' Merge the routes of another :class:`Bottle` application or a list of
+ :class:`Route` objects into this application. The routes keep their
+ 'owner', meaning that the :data:`Route.app` attribute is not
+ changed. '''
+ if isinstance(routes, Bottle):
+ routes = routes.routes
+ for route in routes:
+ self.add_route(route)
+
+ def install(self, plugin):
+ ''' Add a plugin to the list of plugins and prepare it for being
+ applied to all routes of this application. A plugin may be a simple
+ decorator or an object that implements the :class:`Plugin` API.
+ '''
+ if hasattr(plugin, 'setup'): plugin.setup(self)
+ if not callable(plugin) and not hasattr(plugin, 'apply'):
+ raise TypeError("Plugins must be callable or implement .apply()")
+ self.plugins.append(plugin)
+ self.reset()
+ return plugin
+
+ def uninstall(self, plugin):
+ ''' Uninstall plugins. Pass an instance to remove a specific plugin, a type
+ object to remove all plugins that match that type, a string to remove
+ all plugins with a matching ``name`` attribute or ``True`` to remove all
+ plugins. Return the list of removed plugins. '''
+ removed, remove = [], plugin
+ for i, plugin in list(enumerate(self.plugins))[::-1]:
+ if remove is True or remove is plugin or remove is type(plugin) \
+ or getattr(plugin, 'name', True) == remove:
+ removed.append(plugin)
+ del self.plugins[i]
+ if hasattr(plugin, 'close'): plugin.close()
+ if removed: self.reset()
+ return removed
+
+ def run(self, **kwargs):
+ ''' Calls :func:`run` with the same parameters. '''
+ run(self, **kwargs)
+
+ def reset(self, route=None):
+ ''' Reset all routes (force plugins to be re-applied) and clear all
+ caches. If an ID or route object is given, only that specific route
+ is affected. '''
+ if route is None: routes = self.routes
+ elif isinstance(route, Route): routes = [route]
+ else: routes = [self.routes[route]]
+ for route in routes: route.reset()
+ if DEBUG:
+ for route in routes: route.prepare()
+ self.hooks.trigger('app_reset')
+
+ def close(self):
+ ''' Close the application and all installed plugins. '''
+ for plugin in self.plugins:
+ if hasattr(plugin, 'close'): plugin.close()
+ self.stopped = True
+
+ def match(self, environ):
+ """ Search for a matching route and return a (:class:`Route` , urlargs)
+ tuple. The second value is a dictionary with parameters extracted
+ from the URL. Raise :exc:`HTTPError` (404/405) on a non-match."""
+ return self.router.match(environ)
+
+ def get_url(self, routename, **kargs):
+ """ Return a string that matches a named route """
+ scriptname = request.environ.get('SCRIPT_NAME', '').strip('/') + '/'
+ location = self.router.build(routename, **kargs).lstrip('/')
+ return urljoin(urljoin('/', scriptname), location)
+
+ def add_route(self, route):
+ ''' Add a route object, but do not change the :data:`Route.app`
+ attribute.'''
+ self.routes.append(route)
+ self.router.add(route.rule, route.method, route, name=route.name)
+ if DEBUG: route.prepare()
+
+ def route(self, path=None, method='GET', callback=None, name=None,
+ apply=None, skip=None, **config):
+ """ A decorator to bind a function to a request URL. Example::
+
+ @app.route('/hello/:name')
+ def hello(name):
+ return 'Hello %s' % name
+
+ The ``:name`` part is a wildcard. See :class:`Router` for syntax
+ details.
+
+ :param path: Request path or a list of paths to listen to. If no
+ path is specified, it is automatically generated from the
+ signature of the function.
+ :param method: HTTP method (`GET`, `POST`, `PUT`, ...) or a list of
+ methods to listen to. (default: `GET`)
+ :param callback: An optional shortcut to avoid the decorator
+ syntax. ``route(..., callback=func)`` equals ``route(...)(func)``
+ :param name: The name for this route. (default: None)
+ :param apply: A decorator or plugin or a list of plugins. These are
+ applied to the route callback in addition to installed plugins.
+ :param skip: A list of plugins, plugin classes or names. Matching
+ plugins are not installed to this route. ``True`` skips all.
+
+ Any additional keyword arguments are stored as route-specific
+ configuration and passed to plugins (see :meth:`Plugin.apply`).
+ """
+ if callable(path): path, callback = None, path
+ plugins = makelist(apply)
+ skiplist = makelist(skip)
+ def decorator(callback):
+ # TODO: Documentation and tests
+ if isinstance(callback, basestring): callback = load(callback)
+ for rule in makelist(path) or yieldroutes(callback):
+ for verb in makelist(method):
+ verb = verb.upper()
+ route = Route(self, rule, verb, callback, name=name,
+ plugins=plugins, skiplist=skiplist, **config)
+ self.add_route(route)
+ return callback
+ return decorator(callback) if callback else decorator
+
+ def get(self, path=None, method='GET', **options):
+ """ Equals :meth:`route`. """
+ return self.route(path, method, **options)
+
+ def post(self, path=None, method='POST', **options):
+ """ Equals :meth:`route` with a ``POST`` method parameter. """
+ return self.route(path, method, **options)
+
+ def put(self, path=None, method='PUT', **options):
+ """ Equals :meth:`route` with a ``PUT`` method parameter. """
+ return self.route(path, method, **options)
+
+ def delete(self, path=None, method='DELETE', **options):
+ """ Equals :meth:`route` with a ``DELETE`` method parameter. """
+ return self.route(path, method, **options)
+
+ def error(self, code=500):
+ """ Decorator: Register an output handler for a HTTP error code"""
+ def wrapper(handler):
+ self.error_handler[int(code)] = handler
+ return handler
+ return wrapper
+
+ def hook(self, name):
+ """ Return a decorator that attaches a callback to a hook. Three hooks
+ are currently implemented:
+
+ - before_request: Executed once before each request
+ - after_request: Executed once after each request
+ - app_reset: Called whenever :meth:`reset` is called.
+ """
+ def wrapper(func):
+ self.hooks.add(name, func)
+ return func
+ return wrapper
+
+ def handle(self, path, method='GET'):
+ """ (deprecated) Execute the first matching route callback and return
+ the result. :exc:`HTTPResponse` exceptions are caught and returned.
+ If :attr:`Bottle.catchall` is true, other exceptions are caught as
+ well and returned as :exc:`HTTPError` instances (500).
+ """
+ depr("This method will change semantics in 0.10. Try to avoid it.")
+ if isinstance(path, dict):
+ return self._handle(path)
+ return self._handle({'PATH_INFO': path, 'REQUEST_METHOD': method.upper()})
+
+ def default_error_handler(self, res):
+ return tob(template(ERROR_PAGE_TEMPLATE, e=res))
+
+ def _handle(self, environ):
+ try:
+ environ['bottle.app'] = self
+ request.bind(environ)
+ response.bind()
+ route, args = self.router.match(environ)
+ environ['route.handle'] = route
+ environ['bottle.route'] = route
+ environ['route.url_args'] = args
+ return route.call(**args)
+ except HTTPResponse:
+ return _e()
+ except RouteReset:
+ route.reset()
+ return self._handle(environ)
+ except (KeyboardInterrupt, SystemExit, MemoryError):
+ raise
+ except Exception:
+ if not self.catchall: raise
+ stacktrace = format_exc()
+ environ['wsgi.errors'].write(stacktrace)
+ return HTTPError(500, "Internal Server Error", _e(), stacktrace)
+
+ def _cast(self, out, peek=None):
+ """ Try to convert the parameter into something WSGI compatible and set
+ correct HTTP headers when possible.
+ Support: False, str, unicode, dict, HTTPResponse, HTTPError, file-like,
+ iterable of strings and iterable of unicodes
+ """
+
+ # Empty output is done here
+ if not out:
+ if 'Content-Length' not in response:
+ response['Content-Length'] = 0
+ return []
+ # Join lists of byte or unicode strings. Mixed lists are NOT supported
+ if isinstance(out, (tuple, list))\
+ and isinstance(out[0], (bytes, unicode)):
+ out = out[0][0:0].join(out) # b'abc'[0:0] -> b''
+ # Encode unicode strings
+ if isinstance(out, unicode):
+ out = out.encode(response.charset)
+ # Byte Strings are just returned
+ if isinstance(out, bytes):
+ if 'Content-Length' not in response:
+ response['Content-Length'] = len(out)
+ return [out]
+ # HTTPError or HTTPException (recursive, because they may wrap anything)
+ # TODO: Handle these explicitly in handle() or make them iterable.
+ if isinstance(out, HTTPError):
+ out.apply(response)
+ out = self.error_handler.get(out.status_code, self.default_error_handler)(out)
+ return self._cast(out)
+ if isinstance(out, HTTPResponse):
+ out.apply(response)
+ return self._cast(out.body)
+
+ # File-like objects.
+ if hasattr(out, 'read'):
+ if 'wsgi.file_wrapper' in request.environ:
+ return request.environ['wsgi.file_wrapper'](out)
+ elif hasattr(out, 'close') or not hasattr(out, '__iter__'):
+ return WSGIFileWrapper(out)
+
+ # Handle Iterables. We peek into them to detect their inner type.
+ try:
+ out = iter(out)
+ first = next(out)
+ while not first:
+ first = next(out)
+ except StopIteration:
+ return self._cast('')
+ except HTTPResponse:
+ first = _e()
+ except (KeyboardInterrupt, SystemExit, MemoryError):
+ raise
+ except Exception:
+ if not self.catchall: raise
+ first = HTTPError(500, 'Unhandled exception', _e(), format_exc())
+
+ # These are the inner types allowed in iterator or generator objects.
+ if isinstance(first, HTTPResponse):
+ return self._cast(first)
+ if isinstance(first, bytes):
+ return itertools.chain([first], out)
+ if isinstance(first, unicode):
+ return imap(lambda x: x.encode(response.charset),
+ itertools.chain([first], out))
+ return self._cast(HTTPError(500, 'Unsupported response type: %s'\
+ % type(first)))
+
+ def wsgi(self, environ, start_response):
+ """ The bottle WSGI-interface. """
+ try:
+ out = self._cast(self._handle(environ))
+ # rfc2616 section 4.3
+ if response._status_code in (100, 101, 204, 304)\
+ or environ['REQUEST_METHOD'] == 'HEAD':
+ if hasattr(out, 'close'): out.close()
+ out = []
+ start_response(response._status_line, response.headerlist)
+ return out
+ except (KeyboardInterrupt, SystemExit, MemoryError):
+ raise
+ except Exception:
+ if not self.catchall: raise
+ err = '<h1>Critical error while processing request: %s</h1>' \
+ % html_escape(environ.get('PATH_INFO', '/'))
+ if DEBUG:
+ err += '<h2>Error:</h2>\n<pre>\n%s\n</pre>\n' \
+ '<h2>Traceback:</h2>\n<pre>\n%s\n</pre>\n' \
+ % (html_escape(repr(_e())), html_escape(format_exc()))
+ environ['wsgi.errors'].write(err)
+ headers = [('Content-Type', 'text/html; charset=UTF-8')]
+ start_response('500 INTERNAL SERVER ERROR', headers)
+ return [tob(err)]
+
+ def __call__(self, environ, start_response):
+ ''' Each instance of :class:'Bottle' is a WSGI application. '''
+ return self.wsgi(environ, start_response)
+
+
+
+
+
+
+###############################################################################
+# HTTP and WSGI Tools ##########################################################
+###############################################################################
+
+
+class BaseRequest(object):
+ """ A wrapper for WSGI environment dictionaries that adds a lot of
+ convenient access methods and properties. Most of them are read-only.
+
+ Adding new attributes to a request actually adds them to the environ
+ dictionary (as 'bottle.request.ext.<name>'). This is the recommended
+ way to store and access request-specific data.
+ """
+
+ __slots__ = ('environ')
+
+ #: Maximum size of memory buffer for :attr:`body` in bytes.
+ MEMFILE_MAX = 102400
+ #: Maximum number pr GET or POST parameters per request
+ MAX_PARAMS = 100
+
+ def __init__(self, environ=None):
+ """ Wrap a WSGI environ dictionary. """
+ #: The wrapped WSGI environ dictionary. This is the only real attribute.
+ #: All other attributes actually are read-only properties.
+ self.environ = {} if environ is None else environ
+ self.environ['bottle.request'] = self
+
+ @DictProperty('environ', 'bottle.app', read_only=True)
+ def app(self):
+ ''' Bottle application handling this request. '''
+ raise RuntimeError('This request is not connected to an application.')
+
+ @property
+ def path(self):
+ ''' The value of ``PATH_INFO`` with exactly one prefixed slash (to fix
+ broken clients and avoid the "empty path" edge case). '''
+ return '/' + self.environ.get('PATH_INFO','').lstrip('/')
+
+ @property
+ def method(self):
+ ''' The ``REQUEST_METHOD`` value as an uppercase string. '''
+ return self.environ.get('REQUEST_METHOD', 'GET').upper()
+
+ @DictProperty('environ', 'bottle.request.headers', read_only=True)
+ def headers(self):
+ ''' A :class:`WSGIHeaderDict` that provides case-insensitive access to
+ HTTP request headers. '''
+ return WSGIHeaderDict(self.environ)
+
+ def get_header(self, name, default=None):
+ ''' Return the value of a request header, or a given default value. '''
+ return self.headers.get(name, default)
+
+ @DictProperty('environ', 'bottle.request.cookies', read_only=True)
+ def cookies(self):
+ """ Cookies parsed into a :class:`FormsDict`. Signed cookies are NOT
+ decoded. Use :meth:`get_cookie` if you expect signed cookies. """
+ cookies = SimpleCookie(self.environ.get('HTTP_COOKIE',''))
+ cookies = list(cookies.values())[:self.MAX_PARAMS]
+ return FormsDict((c.key, c.value) for c in cookies)
+
+ def get_cookie(self, key, default=None, secret=None):
+ """ Return the content of a cookie. To read a `Signed Cookie`, the
+ `secret` must match the one used to create the cookie (see
+ :meth:`BaseResponse.set_cookie`). If anything goes wrong (missing
+ cookie or wrong signature), return a default value. """
+ value = self.cookies.get(key)
+ if secret and value:
+ dec = cookie_decode(value, secret) # (key, value) tuple or None
+ return dec[1] if dec and dec[0] == key else default
+ return value or default
+
+ @DictProperty('environ', 'bottle.request.query', read_only=True)
+ def query(self):
+ ''' The :attr:`query_string` parsed into a :class:`FormsDict`. These
+ values are sometimes called "URL arguments" or "GET parameters", but
+ not to be confused with "URL wildcards" as they are provided by the
+ :class:`Router`. '''
+ get = self.environ['bottle.get'] = FormsDict()
+ pairs = _parse_qsl(self.environ.get('QUERY_STRING', ''))
+ for key, value in pairs[:self.MAX_PARAMS]:
+ get[key] = value
+ return get
+
+ @DictProperty('environ', 'bottle.request.forms', read_only=True)
+ def forms(self):
+ """ Form values parsed from an `url-encoded` or `multipart/form-data`
+ encoded POST or PUT request body. The result is retuned as a
+ :class:`FormsDict`. All keys and values are strings. File uploads
+ are stored separately in :attr:`files`. """
+ forms = FormsDict()
+ for name, item in self.POST.allitems():
+ if not hasattr(item, 'filename'):
+ forms[name] = item
+ return forms
+
+ @DictProperty('environ', 'bottle.request.params', read_only=True)
+ def params(self):
+ """ A :class:`FormsDict` with the combined values of :attr:`query` and
+ :attr:`forms`. File uploads are stored in :attr:`files`. """
+ params = FormsDict()
+ for key, value in self.query.allitems():
+ params[key] = value
+ for key, value in self.forms.allitems():
+ params[key] = value
+ return params
+
+ @DictProperty('environ', 'bottle.request.files', read_only=True)
+ def files(self):
+ """ File uploads parsed from an `url-encoded` or `multipart/form-data`
+ encoded POST or PUT request body. The values are instances of
+ :class:`cgi.FieldStorage`. The most important attributes are:
+
+ filename
+ The filename, if specified; otherwise None; this is the client
+ side filename, *not* the file name on which it is stored (that's
+ a temporary file you don't deal with)
+ file
+ The file(-like) object from which you can read the data.
+ value
+ The value as a *string*; for file uploads, this transparently
+ reads the file every time you request the value. Do not do this
+ on big files.
+ """
+ files = FormsDict()
+ for name, item in self.POST.allitems():
+ if hasattr(item, 'filename'):
+ files[name] = item
+ return files
+
+ @DictProperty('environ', 'bottle.request.json', read_only=True)
+ def json(self):
+ ''' If the ``Content-Type`` header is ``application/json``, this
+ property holds the parsed content of the request body. Only requests
+ smaller than :attr:`MEMFILE_MAX` are processed to avoid memory
+ exhaustion. '''
+ if 'application/json' in self.environ.get('CONTENT_TYPE', '') \
+ and 0 < self.content_length < self.MEMFILE_MAX:
+ return json_loads(self.body.read(self.MEMFILE_MAX))
+ return None
+
+ @DictProperty('environ', 'bottle.request.body', read_only=True)
+ def _body(self):
+ maxread = max(0, self.content_length)
+ stream = self.environ['wsgi.input']
+ body = BytesIO() if maxread < self.MEMFILE_MAX else TemporaryFile(mode='w+b')
+ while maxread > 0:
+ part = stream.read(min(maxread, self.MEMFILE_MAX))
+ if not part: break
+ body.write(part)
+ maxread -= len(part)
+ self.environ['wsgi.input'] = body
+ body.seek(0)
+ return body
+
+ @property
+ def body(self):
+ """ The HTTP request body as a seek-able file-like object. Depending on
+ :attr:`MEMFILE_MAX`, this is either a temporary file or a
+ :class:`io.BytesIO` instance. Accessing this property for the first
+ time reads and replaces the ``wsgi.input`` environ variable.
+ Subsequent accesses just do a `seek(0)` on the file object. """
+ self._body.seek(0)
+ return self._body
+
+ #: An alias for :attr:`query`.
+ GET = query
+
+ @DictProperty('environ', 'bottle.request.post', read_only=True)
+ def POST(self):
+ """ The values of :attr:`forms` and :attr:`files` combined into a single
+ :class:`FormsDict`. Values are either strings (form values) or
+ instances of :class:`cgi.FieldStorage` (file uploads).
+ """
+ post = FormsDict()
+ # We default to application/x-www-form-urlencoded for everything that
+ # is not multipart and take the fast path (also: 3.1 workaround)
+ if not self.content_type.startswith('multipart/'):
+ maxlen = max(0, min(self.content_length, self.MEMFILE_MAX))
+ pairs = _parse_qsl(tonat(self.body.read(maxlen), 'latin1'))
+ for key, value in pairs[:self.MAX_PARAMS]:
+ post[key] = value
+ return post
+
+ safe_env = {'QUERY_STRING':''} # Build a safe environment for cgi
+ for key in ('REQUEST_METHOD', 'CONTENT_TYPE', 'CONTENT_LENGTH'):
+ if key in self.environ: safe_env[key] = self.environ[key]
+ args = dict(fp=self.body, environ=safe_env, keep_blank_values=True)
+ if py31:
+ args['fp'] = NCTextIOWrapper(args['fp'], encoding='ISO-8859-1',
+ newline='\n')
+ elif py3k:
+ args['encoding'] = 'ISO-8859-1'
+ data = FieldStorage(**args)
+ for item in (data.list or [])[:self.MAX_PARAMS]:
+ post[item.name] = item if item.filename else item.value
+ return post
+
+ @property
+ def COOKIES(self):
+ ''' Alias for :attr:`cookies` (deprecated). '''
+ depr('BaseRequest.COOKIES was renamed to BaseRequest.cookies (lowercase).')
+ return self.cookies
+
+ @property
+ def url(self):
+ """ The full request URI including hostname and scheme. If your app
+ lives behind a reverse proxy or load balancer and you get confusing
+ results, make sure that the ``X-Forwarded-Host`` header is set
+ correctly. """
+ return self.urlparts.geturl()
+
+ @DictProperty('environ', 'bottle.request.urlparts', read_only=True)
+ def urlparts(self):
+ ''' The :attr:`url` string as an :class:`urlparse.SplitResult` tuple.
+ The tuple contains (scheme, host, path, query_string and fragment),
+ but the fragment is always empty because it is not visible to the
+ server. '''
+ env = self.environ
+ http = env.get('HTTP_X_FORWARDED_PROTO') or env.get('wsgi.url_scheme', 'http')
+ host = env.get('HTTP_X_FORWARDED_HOST') or env.get('HTTP_HOST')
+ if not host:
+ # HTTP 1.1 requires a Host-header. This is for HTTP/1.0 clients.
+ host = env.get('SERVER_NAME', '127.0.0.1')
+ port = env.get('SERVER_PORT')
+ if port and port != ('80' if http == 'http' else '443'):
+ host += ':' + port
+ path = urlquote(self.fullpath)
+ return UrlSplitResult(http, host, path, env.get('QUERY_STRING'), '')
+
+ @property
+ def fullpath(self):
+ """ Request path including :attr:`script_name` (if present). """
+ return urljoin(self.script_name, self.path.lstrip('/'))
+
+ @property
+ def query_string(self):
+ """ The raw :attr:`query` part of the URL (everything in between ``?``
+ and ``#``) as a string. """
+ return self.environ.get('QUERY_STRING', '')
+
+ @property
+ def script_name(self):
+ ''' The initial portion of the URL's `path` that was removed by a higher
+ level (server or routing middleware) before the application was
+ called. This script path is returned with leading and tailing
+ slashes. '''
+ script_name = self.environ.get('SCRIPT_NAME', '').strip('/')
+ return '/' + script_name + '/' if script_name else '/'
+
+ def path_shift(self, shift=1):
+ ''' Shift path segments from :attr:`path` to :attr:`script_name` and
+ vice versa.
+
+ :param shift: The number of path segments to shift. May be negative
+ to change the shift direction. (default: 1)
+ '''
+ script = self.environ.get('SCRIPT_NAME','/')
+ self['SCRIPT_NAME'], self['PATH_INFO'] = path_shift(script, self.path, shift)
+
+ @property
+ def content_length(self):
+ ''' The request body length as an integer. The client is responsible to
+ set this header. Otherwise, the real length of the body is unknown
+ and -1 is returned. In this case, :attr:`body` will be empty. '''
+ return int(self.environ.get('CONTENT_LENGTH') or -1)
+
+ @property
+ def content_type(self):
+ ''' The Content-Type header as a lowercase-string (default: empty). '''
+ return self.environ.get('CONTENT_TYPE', '').lower()
+
+ @property
+ def is_xhr(self):
+ ''' True if the request was triggered by a XMLHttpRequest. This only
+ works with JavaScript libraries that support the `X-Requested-With`
+ header (most of the popular libraries do). '''
+ requested_with = self.environ.get('HTTP_X_REQUESTED_WITH','')
+ return requested_with.lower() == 'xmlhttprequest'
+
+ @property
+ def is_ajax(self):
+ ''' Alias for :attr:`is_xhr`. "Ajax" is not the right term. '''
+ return self.is_xhr
+
+ @property
+ def auth(self):
+ """ HTTP authentication data as a (user, password) tuple. This
+ implementation currently supports basic (not digest) authentication
+ only. If the authentication happened at a higher level (e.g. in the
+ front web-server or a middleware), the password field is None, but
+ the user field is looked up from the ``REMOTE_USER`` environ
+ variable. On any errors, None is returned. """
+ basic = parse_auth(self.environ.get('HTTP_AUTHORIZATION',''))
+ if basic: return basic
+ ruser = self.environ.get('REMOTE_USER')
+ if ruser: return (ruser, None)
+ return None
+
+ @property
+ def remote_route(self):
+ """ A list of all IPs that were involved in this request, starting with
+ the client IP and followed by zero or more proxies. This does only
+ work if all proxies support the ```X-Forwarded-For`` header. Note
+ that this information can be forged by malicious clients. """
+ proxy = self.environ.get('HTTP_X_FORWARDED_FOR')
+ if proxy: return [ip.strip() for ip in proxy.split(',')]
+ remote = self.environ.get('REMOTE_ADDR')
+ return [remote] if remote else []
+
+ @property
+ def remote_addr(self):
+ """ The client IP as a string. Note that this information can be forged
+ by malicious clients. """
+ route = self.remote_route
+ return route[0] if route else None
+
+ def copy(self):
+ """ Return a new :class:`Request` with a shallow :attr:`environ` copy. """
+ return Request(self.environ.copy())
+
+ def get(self, value, default=None): return self.environ.get(value, default)
+ def __getitem__(self, key): return self.environ[key]
+ def __delitem__(self, key): self[key] = ""; del(self.environ[key])
+ def __iter__(self): return iter(self.environ)
+ def __len__(self): return len(self.environ)
+ def keys(self): return self.environ.keys()
+ def __setitem__(self, key, value):
+ """ Change an environ value and clear all caches that depend on it. """
+
+ if self.environ.get('bottle.request.readonly'):
+ raise KeyError('The environ dictionary is read-only.')
+
+ self.environ[key] = value
+ todelete = ()
+
+ if key == 'wsgi.input':
+ todelete = ('body', 'forms', 'files', 'params', 'post', 'json')
+ elif key == 'QUERY_STRING':
+ todelete = ('query', 'params')
+ elif key.startswith('HTTP_'):
+ todelete = ('headers', 'cookies')
+
+ for key in todelete:
+ self.environ.pop('bottle.request.'+key, None)
+
+ def __repr__(self):
+ return '<%s: %s %s>' % (self.__class__.__name__, self.method, self.url)
+
+ def __getattr__(self, name):
+ ''' Search in self.environ for additional user defined attributes. '''
+ try:
+ var = self.environ['bottle.request.ext.%s'%name]
+ return var.__get__(self) if hasattr(var, '__get__') else var
+ except KeyError:
+ raise AttributeError('Attribute %r not defined.' % name)
+
+ def __setattr__(self, name, value):
+ if name == 'environ': return object.__setattr__(self, name, value)
+ self.environ['bottle.request.ext.%s'%name] = value
+
+
+
+
+def _hkey(s):
+ return s.title().replace('_','-')
+
+
+class HeaderProperty(object):
+ def __init__(self, name, reader=None, writer=str, default=''):
+ self.name, self.default = name, default
+ self.reader, self.writer = reader, writer
+ self.__doc__ = 'Current value of the %r header.' % name.title()
+
+ def __get__(self, obj, cls):
+ if obj is None: return self
+ value = obj.headers.get(self.name, self.default)
+ return self.reader(value) if self.reader else value
+
+ def __set__(self, obj, value):
+ obj.headers[self.name] = self.writer(value)
+
+ def __delete__(self, obj):
+ del obj.headers[self.name]
+
+
+class BaseResponse(object):
+ """ Storage class for a response body as well as headers and cookies.
+
+ This class does support dict-like case-insensitive item-access to
+ headers, but is NOT a dict. Most notably, iterating over a response
+ yields parts of the body and not the headers.
+ """
+
+ default_status = 200
+ default_content_type = 'text/html; charset=UTF-8'
+
+ # Header blacklist for specific response codes
+ # (rfc2616 section 10.2.3 and 10.3.5)
+ bad_headers = {
+ 204: set(('Content-Type',)),
+ 304: set(('Allow', 'Content-Encoding', 'Content-Language',
+ 'Content-Length', 'Content-Range', 'Content-Type',
+ 'Content-Md5', 'Last-Modified'))}
+
+ def __init__(self, body='', status=None, **headers):
+ self._cookies = None
+ self._headers = {}
+ self.body = body
+ self.status = status or self.default_status
+ if headers:
+ for name, value in headers.items():
+ self[name] = value
+
+ def copy(self):
+ ''' Returns a copy of self. '''
+ copy = Response()
+ copy.status = self.status
+ copy._headers = dict((k, v[:]) for (k, v) in self._headers.items())
+ return copy
+
+ def __iter__(self):
+ return iter(self.body)
+
+ def close(self):
+ if hasattr(self.body, 'close'):
+ self.body.close()
+
+ @property
+ def status_line(self):
+ ''' The HTTP status line as a string (e.g. ``404 Not Found``).'''
+ return self._status_line
+
+ @property
+ def status_code(self):
+ ''' The HTTP status code as an integer (e.g. 404).'''
+ return self._status_code
+
+ def _set_status(self, status):
+ if isinstance(status, int):
+ code, status = status, _HTTP_STATUS_LINES.get(status)
+ elif ' ' in status:
+ status = status.strip()
+ code = int(status.split()[0])
+ else:
+ raise ValueError('String status line without a reason phrase.')
+ if not 100 <= code <= 999: raise ValueError('Status code out of range.')
+ self._status_code = code
+ self._status_line = str(status or ('%d Unknown' % code))
+
+ def _get_status(self):
+ return self._status_line
+
+ status = property(_get_status, _set_status, None,
+ ''' A writeable property to change the HTTP response status. It accepts
+ either a numeric code (100-999) or a string with a custom reason
+ phrase (e.g. "404 Brain not found"). Both :data:`status_line` and
+ :data:`status_code` are updated accordingly. The return value is
+ always a status string. ''')
+ del _get_status, _set_status
+
+ @property
+ def headers(self):
+ ''' An instance of :class:`HeaderDict`, a case-insensitive dict-like
+ view on the response headers. '''
+ hdict = HeaderDict()
+ hdict.dict = self._headers
+ return hdict
+
+ def __contains__(self, name): return _hkey(name) in self._headers
+ def __delitem__(self, name): del self._headers[_hkey(name)]
+ def __getitem__(self, name): return self._headers[_hkey(name)][-1]
+ def __setitem__(self, name, value): self._headers[_hkey(name)] = [str(value)]
+
+ def get_header(self, name, default=None):
+ ''' Return the value of a previously defined header. If there is no
+ header with that name, return a default value. '''
+ return self._headers.get(_hkey(name), [default])[-1]
+
+ def set_header(self, name, value):
+ ''' Create a new response header, replacing any previously defined
+ headers with the same name. '''
+ self._headers[_hkey(name)] = [str(value)]
+
+ def add_header(self, name, value):
+ ''' Add an additional response header, not removing duplicates. '''
+ self._headers.setdefault(_hkey(name), []).append(str(value))
+
+ def iter_headers(self):
+ ''' Yield (header, value) tuples, skipping headers that are not
+ allowed with the current response status code. '''
+ return self.headerlist
+
+ def wsgiheader(self):
+ depr('The wsgiheader method is deprecated. See headerlist.') #0.10
+ return self.headerlist
+
+ @property
+ def headerlist(self):
+ ''' WSGI conform list of (header, value) tuples. '''
+ out = []
+ headers = list(self._headers.items())
+ if 'Content-Type' not in self._headers:
+ headers.append(('Content-Type', [self.default_content_type]))
+ if self._status_code in self.bad_headers:
+ bad_headers = self.bad_headers[self._status_code]
+ headers = [h for h in headers if h[0] not in bad_headers]
+ out += [(name, val) for name, vals in headers for val in vals]
+ if self._cookies:
+ for c in self._cookies.values():
+ out.append(('Set-Cookie', c.OutputString()))
+ return out
+
+ content_type = HeaderProperty('Content-Type')
+ content_length = HeaderProperty('Content-Length', reader=int)
+
+ @property
+ def charset(self):
+ """ Return the charset specified in the content-type header (default: utf8). """
+ if 'charset=' in self.content_type:
+ return self.content_type.split('charset=')[-1].split(';')[0].strip()
+ return 'UTF-8'
+
+ @property
+ def COOKIES(self):
+ """ A dict-like SimpleCookie instance. This should not be used directly.
+ See :meth:`set_cookie`. """
+ depr('The COOKIES dict is deprecated. Use `set_cookie()` instead.') # 0.10
+ if not self._cookies:
+ self._cookies = SimpleCookie()
+ return self._cookies
+
+ def set_cookie(self, name, value, secret=None, **options):
+ ''' Create a new cookie or replace an old one. If the `secret` parameter is
+ set, create a `Signed Cookie` (described below).
+
+ :param name: the name of the cookie.
+ :param value: the value of the cookie.
+ :param secret: a signature key required for signed cookies.
+
+ Additionally, this method accepts all RFC 2109 attributes that are
+ supported by :class:`cookie.Morsel`, including:
+
+ :param max_age: maximum age in seconds. (default: None)
+ :param expires: a datetime object or UNIX timestamp. (default: None)
+ :param domain: the domain that is allowed to read the cookie.
+ (default: current domain)
+ :param path: limits the cookie to a given path (default: current path)
+ :param secure: limit the cookie to HTTPS connections (default: off).
+ :param httponly: prevents client-side javascript to read this cookie
+ (default: off, requires Python 2.6 or newer).
+
+ If neither `expires` nor `max_age` is set (default), the cookie will
+ expire at the end of the browser session (as soon as the browser
+ window is closed).
+
+ Signed cookies may store any pickle-able object and are
+ cryptographically signed to prevent manipulation. Keep in mind that
+ cookies are limited to 4kb in most browsers.
+
+ Warning: Signed cookies are not encrypted (the client can still see
+ the content) and not copy-protected (the client can restore an old
+ cookie). The main intention is to make pickling and unpickling
+ save, not to store secret information at client side.
+ '''
+ if not self._cookies:
+ self._cookies = SimpleCookie()
+
+ if secret:
+ value = touni(cookie_encode((name, value), secret))
+ elif not isinstance(value, basestring):
+ raise TypeError('Secret key missing for non-string Cookie.')
+
+ if len(value) > 4096: raise ValueError('Cookie value to long.')
+ self._cookies[name] = value
+
+ for key, value in options.items():
+ if key == 'max_age':
+ if isinstance(value, timedelta):
+ value = value.seconds + value.days * 24 * 3600
+ if key == 'expires':
+ if isinstance(value, (datedate, datetime)):
+ value = value.timetuple()
+ elif isinstance(value, (int, float)):
+ value = time.gmtime(value)
+ value = time.strftime("%a, %d %b %Y %H:%M:%S GMT", value)
+ self._cookies[name][key.replace('_', '-')] = value
+
+ def delete_cookie(self, key, **kwargs):
+ ''' Delete a cookie. Be sure to use the same `domain` and `path`
+ settings as used to create the cookie. '''
+ kwargs['max_age'] = -1
+ kwargs['expires'] = 0
+ self.set_cookie(key, '', **kwargs)
+
+ def __repr__(self):
+ out = ''
+ for name, value in self.headerlist:
+ out += '%s: %s\n' % (name.title(), value.strip())
+ return out
+
+#: Thread-local storage for :class:`LocalRequest` and :class:`LocalResponse`
+#: attributes.
+_lctx = threading.local()
+
+def local_property(name):
+ def fget(self):
+ try:
+ return getattr(_lctx, name)
+ except AttributeError:
+ raise RuntimeError("Request context not initialized.")
+ def fset(self, value): setattr(_lctx, name, value)
+ def fdel(self): delattr(_lctx, name)
+ return property(fget, fset, fdel,
+ 'Thread-local property stored in :data:`_lctx.%s`' % name)
+
+
+class LocalRequest(BaseRequest):
+ ''' A thread-local subclass of :class:`BaseRequest` with a different
+ set of attribues for each thread. There is usually only one global
+ instance of this class (:data:`request`). If accessed during a
+ request/response cycle, this instance always refers to the *current*
+ request (even on a multithreaded server). '''
+ bind = BaseRequest.__init__
+ environ = local_property('request_environ')
+
+
+class LocalResponse(BaseResponse):
+ ''' A thread-local subclass of :class:`BaseResponse` with a different
+ set of attribues for each thread. There is usually only one global
+ instance of this class (:data:`response`). Its attributes are used
+ to build the HTTP response at the end of the request/response cycle.
+ '''
+ bind = BaseResponse.__init__
+ _status_line = local_property('response_status_line')
+ _status_code = local_property('response_status_code')
+ _cookies = local_property('response_cookies')
+ _headers = local_property('response_headers')
+ body = local_property('response_body')
+
+Request = BaseRequest
+Response = BaseResponse
+
+class HTTPResponse(Response, BottleException):
+ def __init__(self, body='', status=None, header=None, **headers):
+ if header or 'output' in headers:
+ depr('Call signature changed (for the better)')
+ if header: headers.update(header)
+ if 'output' in headers: body = headers.pop('output')
+ super(HTTPResponse, self).__init__(body, status, **headers)
+
+ def apply(self, response):
+ response._status_code = self._status_code
+ response._status_line = self._status_line
+ response._headers = self._headers
+ response._cookies = self._cookies
+ response.body = self.body
+
+ def _output(self, value=None):
+ depr('Use HTTPResponse.body instead of HTTPResponse.output')
+ if value is None: return self.body
+ self.body = value
+
+ output = property(_output, _output, doc='Alias for .body')
+
+class HTTPError(HTTPResponse):
+ default_status = 500
+ def __init__(self, status=None, body=None, exception=None, traceback=None, header=None, **headers):
+ self.exception = exception
+ self.traceback = traceback
+ super(HTTPError, self).__init__(body, status, header, **headers)
+
+
+
+
+
+###############################################################################
+# Plugins ######################################################################
+###############################################################################
+
+class PluginError(BottleException): pass
+
+class JSONPlugin(object):
+ name = 'json'
+ api = 2
+
+ def __init__(self, json_dumps=json_dumps):
+ self.json_dumps = json_dumps
+
+ def apply(self, callback, route):
+ dumps = self.json_dumps
+ if not dumps: return callback
+ def wrapper(*a, **ka):
+ rv = callback(*a, **ka)
+ if isinstance(rv, dict):
+ #Attempt to serialize, raises exception on failure
+ json_response = dumps(rv)
+ #Set content type only if serialization succesful
+ response.content_type = 'application/json'
+ return json_response
+ return rv
+ return wrapper
+
+
+class HooksPlugin(object):
+ name = 'hooks'
+ api = 2
+
+ _names = 'before_request', 'after_request', 'app_reset'
+
+ def __init__(self):
+ self.hooks = dict((name, []) for name in self._names)
+ self.app = None
+
+ def _empty(self):
+ return not (self.hooks['before_request'] or self.hooks['after_request'])
+
+ def setup(self, app):
+ self.app = app
+
+ def add(self, name, func):
+ ''' Attach a callback to a hook. '''
+ was_empty = self._empty()
+ self.hooks.setdefault(name, []).append(func)
+ if self.app and was_empty and not self._empty(): self.app.reset()
+
+ def remove(self, name, func):
+ ''' Remove a callback from a hook. '''
+ was_empty = self._empty()
+ if name in self.hooks and func in self.hooks[name]:
+ self.hooks[name].remove(func)
+ if self.app and not was_empty and self._empty(): self.app.reset()
+
+ def trigger(self, name, *a, **ka):
+ ''' Trigger a hook and return a list of results. '''
+ hooks = self.hooks[name]
+ if ka.pop('reversed', False): hooks = hooks[::-1]
+ return [hook(*a, **ka) for hook in hooks]
+
+ def apply(self, callback, route):
+ if self._empty(): return callback
+ def wrapper(*a, **ka):
+ self.trigger('before_request')
+ rv = callback(*a, **ka)
+ self.trigger('after_request', reversed=True)
+ return rv
+ return wrapper
+
+
+class TemplatePlugin(object):
+ ''' This plugin applies the :func:`view` decorator to all routes with a
+ `template` config parameter. If the parameter is a tuple, the second
+ element must be a dict with additional options (e.g. `template_engine`)
+ or default variables for the template. '''
+ name = 'template'
+ api = 2
+
+ def apply(self, callback, route):
+ conf = route.config.get('template')
+ if isinstance(conf, (tuple, list)) and len(conf) == 2:
+ return view(conf[0], **conf[1])(callback)
+ elif isinstance(conf, str) and 'template_opts' in route.config:
+ depr('The `template_opts` parameter is deprecated.') #0.9
+ return view(conf, **route.config['template_opts'])(callback)
+ elif isinstance(conf, str):
+ return view(conf)(callback)
+ else:
+ return callback
+
+
+#: Not a plugin, but part of the plugin API. TODO: Find a better place.
+class _ImportRedirect(object):
+ def __init__(self, name, impmask):
+ ''' Create a virtual package that redirects imports (see PEP 302). '''
+ self.name = name
+ self.impmask = impmask
+ self.module = sys.modules.setdefault(name, imp.new_module(name))
+ self.module.__dict__.update({'__file__': __file__, '__path__': [],
+ '__all__': [], '__loader__': self})
+ sys.meta_path.append(self)
+
+ def find_module(self, fullname, path=None):
+ if '.' not in fullname: return
+ packname, modname = fullname.rsplit('.', 1)
+ if packname != self.name: return
+ return self
+
+ def load_module(self, fullname):
+ if fullname in sys.modules: return sys.modules[fullname]
+ packname, modname = fullname.rsplit('.', 1)
+ realname = self.impmask % modname
+ __import__(realname)
+ module = sys.modules[fullname] = sys.modules[realname]
+ setattr(self.module, modname, module)
+ module.__loader__ = self
+ return module
+
+
+
+
+
+
+###############################################################################
+# Common Utilities #############################################################
+###############################################################################
+
+
+class MultiDict(DictMixin):
+ """ This dict stores multiple values per key, but behaves exactly like a
+ normal dict in that it returns only the newest value for any given key.
+ There are special methods available to access the full list of values.
+ """
+
+ def __init__(self, *a, **k):
+ self.dict = dict((k, [v]) for (k, v) in dict(*a, **k).items())
+
+ def __len__(self): return len(self.dict)
+ def __iter__(self): return iter(self.dict)
+ def __contains__(self, key): return key in self.dict
+ def __delitem__(self, key): del self.dict[key]
+ def __getitem__(self, key): return self.dict[key][-1]
+ def __setitem__(self, key, value): self.append(key, value)
+ def keys(self): return self.dict.keys()
+
+ if py3k:
+ def values(self): return (v[-1] for v in self.dict.values())
+ def items(self): return ((k, v[-1]) for k, v in self.dict.items())
+ def allitems(self):
+ return ((k, v) for k, vl in self.dict.items() for v in vl)
+ iterkeys = keys
+ itervalues = values
+ iteritems = items
+ iterallitems = allitems
+
+ else:
+ def values(self): return [v[-1] for v in self.dict.values()]
+ def items(self): return [(k, v[-1]) for k, v in self.dict.items()]
+ def iterkeys(self): return self.dict.iterkeys()
+ def itervalues(self): return (v[-1] for v in self.dict.itervalues())
+ def iteritems(self):
+ return ((k, v[-1]) for k, v in self.dict.iteritems())
+ def iterallitems(self):
+ return ((k, v) for k, vl in self.dict.iteritems() for v in vl)
+ def allitems(self):
+ return [(k, v) for k, vl in self.dict.iteritems() for v in vl]
+
+ def get(self, key, default=None, index=-1, type=None):
+ ''' Return the most recent value for a key.
+
+ :param default: The default value to be returned if the key is not
+ present or the type conversion fails.
+ :param index: An index for the list of available values.
+ :param type: If defined, this callable is used to cast the value
+ into a specific type. Exception are suppressed and result in
+ the default value to be returned.
+ '''
+ try:
+ val = self.dict[key][index]
+ return type(val) if type else val
+ except Exception:
+ pass
+ return default
+
+ def append(self, key, value):
+ ''' Add a new value to the list of values for this key. '''
+ self.dict.setdefault(key, []).append(value)
+
+ def replace(self, key, value):
+ ''' Replace the list of values with a single value. '''
+ self.dict[key] = [value]
+
+ def getall(self, key):
+ ''' Return a (possibly empty) list of values for a key. '''
+ return self.dict.get(key) or []
+
+ #: Aliases for WTForms to mimic other multi-dict APIs (Django)
+ getone = get
+ getlist = getall
+
+
+
+class FormsDict(MultiDict):
+ ''' This :class:`MultiDict` subclass is used to store request form data.
+ Additionally to the normal dict-like item access methods (which return
+ unmodified data as native strings), this container also supports
+ attribute-like access to its values. Attributes are automatically de-
+ or recoded to match :attr:`input_encoding` (default: 'utf8'). Missing
+ attributes default to an empty string. '''
+
+ #: Encoding used for attribute values.
+ input_encoding = 'utf8'
+ #: If true (default), unicode strings are first encoded with `latin1`
+ #: and then decoded to match :attr:`input_encoding`.
+ recode_unicode = True
+
+ def _fix(self, s, encoding=None):
+ if isinstance(s, unicode) and self.recode_unicode: # Python 3 WSGI
+ s = s.encode('latin1')
+ if isinstance(s, bytes): # Python 2 WSGI
+ return s.decode(encoding or self.input_encoding)
+ return s
+
+ def decode(self, encoding=None):
+ ''' Returns a copy with all keys and values de- or recoded to match
+ :attr:`input_encoding`. Some libraries (e.g. WTForms) want a
+ unicode dictionary. '''
+ copy = FormsDict()
+ enc = copy.input_encoding = encoding or self.input_encoding
+ copy.recode_unicode = False
+ for key, value in self.allitems():
+ copy.append(self._fix(key, enc), self._fix(value, enc))
+ return copy
+
+ def getunicode(self, name, default=None, encoding=None):
+ try:
+ return self._fix(self[name], encoding)
+ except (UnicodeError, KeyError):
+ return default
+
+ def __getattr__(self, name, default=unicode()):
+ # Without this guard, pickle generates a cryptic TypeError:
+ if name.startswith('__') and name.endswith('__'):
+ return super(FormsDict, self).__getattr__(name)
+ return self.getunicode(name, default=default)
+
+
+class HeaderDict(MultiDict):
+ """ A case-insensitive version of :class:`MultiDict` that defaults to
+ replace the old value instead of appending it. """
+
+ def __init__(self, *a, **ka):
+ self.dict = {}
+ if a or ka: self.update(*a, **ka)
+
+ def __contains__(self, key): return _hkey(key) in self.dict
+ def __delitem__(self, key): del self.dict[_hkey(key)]
+ def __getitem__(self, key): return self.dict[_hkey(key)][-1]
+ def __setitem__(self, key, value): self.dict[_hkey(key)] = [str(value)]
+ def append(self, key, value):
+ self.dict.setdefault(_hkey(key), []).append(str(value))
+ def replace(self, key, value): self.dict[_hkey(key)] = [str(value)]
+ def getall(self, key): return self.dict.get(_hkey(key)) or []
+ def get(self, key, default=None, index=-1):
+ return MultiDict.get(self, _hkey(key), default, index)
+ def filter(self, names):
+ for name in [_hkey(n) for n in names]:
+ if name in self.dict:
+ del self.dict[name]
+
+
+class WSGIHeaderDict(DictMixin):
+ ''' This dict-like class wraps a WSGI environ dict and provides convenient
+ access to HTTP_* fields. Keys and values are native strings
+ (2.x bytes or 3.x unicode) and keys are case-insensitive. If the WSGI
+ environment contains non-native string values, these are de- or encoded
+ using a lossless 'latin1' character set.
+
+ The API will remain stable even on changes to the relevant PEPs.
+ Currently PEP 333, 444 and 3333 are supported. (PEP 444 is the only one
+ that uses non-native strings.)
+ '''
+ #: List of keys that do not have a ``HTTP_`` prefix.
+ cgikeys = ('CONTENT_TYPE', 'CONTENT_LENGTH')
+
+ def __init__(self, environ):
+ self.environ = environ
+
+ def _ekey(self, key):
+ ''' Translate header field name to CGI/WSGI environ key. '''
+ key = key.replace('-','_').upper()
+ if key in self.cgikeys:
+ return key
+ return 'HTTP_' + key
+
+ def raw(self, key, default=None):
+ ''' Return the header value as is (may be bytes or unicode). '''
+ return self.environ.get(self._ekey(key), default)
+
+ def __getitem__(self, key):
+ return tonat(self.environ[self._ekey(key)], 'latin1')
+
+ def __setitem__(self, key, value):
+ raise TypeError("%s is read-only." % self.__class__)
+
+ def __delitem__(self, key):
+ raise TypeError("%s is read-only." % self.__class__)
+
+ def __iter__(self):
+ for key in self.environ:
+ if key[:5] == 'HTTP_':
+ yield key[5:].replace('_', '-').title()
+ elif key in self.cgikeys:
+ yield key.replace('_', '-').title()
+
+ def keys(self): return [x for x in self]
+ def __len__(self): return len(self.keys())
+ def __contains__(self, key): return self._ekey(key) in self.environ
+
+
+class ConfigDict(dict):
+ ''' A dict-subclass with some extras: You can access keys like attributes.
+ Uppercase attributes create new ConfigDicts and act as name-spaces.
+ Other missing attributes return None. Calling a ConfigDict updates its
+ values and returns itself.
+
+ >>> cfg = ConfigDict()
+ >>> cfg.Namespace.value = 5
+ >>> cfg.OtherNamespace(a=1, b=2)
+ >>> cfg
+ {'Namespace': {'value': 5}, 'OtherNamespace': {'a': 1, 'b': 2}}
+ '''
+
+ def __getattr__(self, key):
+ if key not in self and key[0].isupper():
+ self[key] = ConfigDict()
+ return self.get(key)
+
+ def __setattr__(self, key, value):
+ if hasattr(dict, key):
+ raise AttributeError('Read-only attribute.')
+ if key in self and self[key] and isinstance(self[key], ConfigDict):
+ raise AttributeError('Non-empty namespace attribute.')
+ self[key] = value
+
+ def __delattr__(self, key):
+ if key in self: del self[key]
+
+ def __call__(self, *a, **ka):
+ for key, value in dict(*a, **ka).items(): setattr(self, key, value)
+ return self
+
+
+class AppStack(list):
+ """ A stack-like list. Calling it returns the head of the stack. """
+
+ def __call__(self):
+ """ Return the current default application. """
+ return self[-1]
+
+ def push(self, value=None):
+ """ Add a new :class:`Bottle` instance to the stack """
+ if not isinstance(value, Bottle):
+ value = Bottle()
+ self.append(value)
+ return value
+
+
+class WSGIFileWrapper(object):
+
+ def __init__(self, fp, buffer_size=1024*64):
+ self.fp, self.buffer_size = fp, buffer_size
+ for attr in ('fileno', 'close', 'read', 'readlines', 'tell', 'seek'):
+ if hasattr(fp, attr): setattr(self, attr, getattr(fp, attr))
+
+ def __iter__(self):
+ buff, read = self.buffer_size, self.read
+ while True:
+ part = read(buff)
+ if not part: return
+ yield part
+
+
+class ResourceManager(object):
+ ''' This class manages a list of search paths and helps to find and open
+ application-bound resources (files).
+
+ :param base: default value for :meth:`add_path` calls.
+ :param opener: callable used to open resources.
+ :param cachemode: controls which lookups are cached. One of 'all',
+ 'found' or 'none'.
+ '''
+
+ def __init__(self, base='./', opener=open, cachemode='all'):
+ self.opener = open
+ self.base = base
+ self.cachemode = cachemode
+
+ #: A list of search paths. See :meth:`add_path` for details.
+ self.path = []
+ #: A cache for resolved paths. ``res.cache.clear()`` clears the cache.
+ self.cache = {}
+
+ def add_path(self, path, base=None, index=None, create=False):
+ ''' Add a new path to the list of search paths. Return False if the
+ path does not exist.
+
+ :param path: The new search path. Relative paths are turned into
+ an absolute and normalized form. If the path looks like a file
+ (not ending in `/`), the filename is stripped off.
+ :param base: Path used to absolutize relative search paths.
+ Defaults to :attr:`base` which defaults to ``os.getcwd()``.
+ :param index: Position within the list of search paths. Defaults
+ to last index (appends to the list).
+
+ The `base` parameter makes it easy to reference files installed
+ along with a python module or package::
+
+ res.add_path('./resources/', __file__)
+ '''
+ base = os.path.abspath(os.path.dirname(base or self.base))
+ path = os.path.abspath(os.path.join(base, os.path.dirname(path)))
+ path += os.sep
+ if path in self.path:
+ self.path.remove(path)
+ if create and not os.path.isdir(path):
+ os.makedirs(path)
+ if index is None:
+ self.path.append(path)
+ else:
+ self.path.insert(index, path)
+ self.cache.clear()
+ return os.path.exists(path)
+
+ def __iter__(self):
+ ''' Iterate over all existing files in all registered paths. '''
+ search = self.path[:]
+ while search:
+ path = search.pop()
+ if not os.path.isdir(path): continue
+ for name in os.listdir(path):
+ full = os.path.join(path, name)
+ if os.path.isdir(full): search.append(full)
+ else: yield full
+
+ def lookup(self, name):
+ ''' Search for a resource and return an absolute file path, or `None`.
+
+ The :attr:`path` list is searched in order. The first match is
+ returend. Symlinks are followed. The result is cached to speed up
+ future lookups. '''
+ if name not in self.cache or DEBUG:
+ for path in self.path:
+ fpath = os.path.join(path, name)
+ if os.path.isfile(fpath):
+ if self.cachemode in ('all', 'found'):
+ self.cache[name] = fpath
+ return fpath
+ if self.cachemode == 'all':
+ self.cache[name] = None
+ return self.cache[name]
+
+ def open(self, name, mode='r', *args, **kwargs):
+ ''' Find a resource and return a file object, or raise IOError. '''
+ fname = self.lookup(name)
+ if not fname: raise IOError("Resource %r not found." % name)
+ return self.opener(name, mode=mode, *args, **kwargs)
+
+
+
+
+
+
+###############################################################################
+# Application Helper ###########################################################
+###############################################################################
+
+
+def abort(code=500, text='Unknown Error: Application stopped.'):
+ """ Aborts execution and causes a HTTP error. """
+ raise HTTPError(code, text)
+
+
+def redirect(url, code=None):
+ """ Aborts execution and causes a 303 or 302 redirect, depending on
+ the HTTP protocol version. """
+ if code is None:
+ code = 303 if request.get('SERVER_PROTOCOL') == "HTTP/1.1" else 302
+ location = urljoin(request.url, url)
+ res = HTTPResponse("", status=code, Location=location)
+ if response._cookies:
+ res._cookies = response._cookies
+ raise res
+
+
+def _file_iter_range(fp, offset, bytes, maxread=1024*1024):
+ ''' Yield chunks from a range in a file. No chunk is bigger than maxread.'''
+ fp.seek(offset)
+ while bytes > 0:
+ part = fp.read(min(bytes, maxread))
+ if not part: break
+ bytes -= len(part)
+ yield part
+
+
+def static_file(filename, root, mimetype='auto', download=False):
+ """ Open a file in a safe way and return :exc:`HTTPResponse` with status
+ code 200, 305, 401 or 404. Set Content-Type, Content-Encoding,
+ Content-Length and Last-Modified header. Obey If-Modified-Since header
+ and HEAD requests.
+ """
+ root = os.path.abspath(root) + os.sep
+ filename = os.path.abspath(os.path.join(root, filename.strip('/\\')))
+ headers = dict()
+
+ if not filename.startswith(root):
+ return HTTPError(403, "Access denied.")
+ if not os.path.exists(filename) or not os.path.isfile(filename):
+ return HTTPError(404, "File does not exist.")
+ if not os.access(filename, os.R_OK):
+ return HTTPError(403, "You do not have permission to access this file.")
+
+ if mimetype == 'auto':
+ mimetype, encoding = mimetypes.guess_type(filename)
+ if mimetype: headers['Content-Type'] = mimetype
+ if encoding: headers['Content-Encoding'] = encoding
+ elif mimetype:
+ headers['Content-Type'] = mimetype
+
+ if download:
+ download = os.path.basename(filename if download == True else download)
+ headers['Content-Disposition'] = 'attachment; filename="%s"' % download
+
+ stats = os.stat(filename)
+ headers['Content-Length'] = clen = stats.st_size
+ lm = time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime(stats.st_mtime))
+ headers['Last-Modified'] = lm
+
+ ims = request.environ.get('HTTP_IF_MODIFIED_SINCE')
+ if ims:
+ ims = parse_date(ims.split(";")[0].strip())
+ if ims is not None and ims >= int(stats.st_mtime):
+ headers['Date'] = time.strftime("%a, %d %b %Y %H:%M:%S GMT", time.gmtime())
+ return HTTPResponse(status=304, **headers)
+
+ body = '' if request.method == 'HEAD' else open(filename, 'rb')
+
+ headers["Accept-Ranges"] = "bytes"
+ ranges = request.environ.get('HTTP_RANGE')
+ if 'HTTP_RANGE' in request.environ:
+ ranges = list(parse_range_header(request.environ['HTTP_RANGE'], clen))
+ if not ranges:
+ return HTTPError(416, "Requested Range Not Satisfiable")
+ offset, end = ranges[0]
+ headers["Content-Range"] = "bytes %d-%d/%d" % (offset, end-1, clen)
+ headers["Content-Length"] = str(end-offset)
+ if body: body = _file_iter_range(body, offset, end-offset)
+ return HTTPResponse(body, status=206, **headers)
+ return HTTPResponse(body, **headers)
+
+
+
+
+
+
+###############################################################################
+# HTTP Utilities and MISC (TODO) ###############################################
+###############################################################################
+
+
+def debug(mode=True):
+ """ Change the debug level.
+ There is only one debug level supported at the moment."""
+ global DEBUG
+ DEBUG = bool(mode)
+
+
+def parse_date(ims):
+ """ Parse rfc1123, rfc850 and asctime timestamps and return UTC epoch. """
+ try:
+ ts = email.utils.parsedate_tz(ims)
+ return time.mktime(ts[:8] + (0,)) - (ts[9] or 0) - time.timezone
+ except (TypeError, ValueError, IndexError, OverflowError):
+ return None
+
+
+def parse_auth(header):
+ """ Parse rfc2617 HTTP authentication header string (basic) and return (user,pass) tuple or None"""
+ try:
+ method, data = header.split(None, 1)
+ if method.lower() == 'basic':
+ user, pwd = touni(base64.b64decode(tob(data))).split(':',1)
+ return user, pwd
+ except (KeyError, ValueError):
+ return None
+
+def parse_range_header(header, maxlen=0):
+ ''' Yield (start, end) ranges parsed from a HTTP Range header. Skip
+ unsatisfiable ranges. The end index is non-inclusive.'''
+ if not header or header[:6] != 'bytes=': return
+ ranges = [r.split('-', 1) for r in header[6:].split(',') if '-' in r]
+ for start, end in ranges:
+ try:
+ if not start: # bytes=-100 -> last 100 bytes
+ start, end = max(0, maxlen-int(end)), maxlen
+ elif not end: # bytes=100- -> all but the first 99 bytes
+ start, end = int(start), maxlen
+ else: # bytes=100-200 -> bytes 100-200 (inclusive)
+ start, end = int(start), min(int(end)+1, maxlen)
+ if 0 <= start < end <= maxlen:
+ yield start, end
+ except ValueError:
+ pass
+
+def _parse_qsl(qs):
+ r = []
+ for pair in qs.replace(';','&').split('&'):
+ if not pair: continue
+ nv = pair.split('=', 1)
+ if len(nv) != 2: nv.append('')
+ key = urlunquote(nv[0].replace('+', ' '))
+ value = urlunquote(nv[1].replace('+', ' '))
+ r.append((key, value))
+ return r
+
+def _lscmp(a, b):
+ ''' Compares two strings in a cryptographically safe way:
+ Runtime is not affected by length of common prefix. '''
+ return not sum(0 if x==y else 1 for x, y in zip(a, b)) and len(a) == len(b)
+
+
+def cookie_encode(data, key):
+ ''' Encode and sign a pickle-able object. Return a (byte) string '''
+ msg = base64.b64encode(pickle.dumps(data, -1))
+ sig = base64.b64encode(hmac.new(tob(key), msg).digest())
+ return tob('!') + sig + tob('?') + msg
+
+
+def cookie_decode(data, key):
+ ''' Verify and decode an encoded string. Return an object or None.'''
+ data = tob(data)
+ if cookie_is_encoded(data):
+ sig, msg = data.split(tob('?'), 1)
+ if _lscmp(sig[1:], base64.b64encode(hmac.new(tob(key), msg).digest())):
+ return pickle.loads(base64.b64decode(msg))
+ return None
+
+
+def cookie_is_encoded(data):
+ ''' Return True if the argument looks like a encoded cookie.'''
+ return bool(data.startswith(tob('!')) and tob('?') in data)
+
+
+def html_escape(string):
+ ''' Escape HTML special characters ``&<>`` and quotes ``'"``. '''
+ return string.replace('&','&').replace('<','<').replace('>','>')\
+ .replace('"','"').replace("'",''')
+
+
+def html_quote(string):
+ ''' Escape and quote a string to be used as an HTTP attribute.'''
+ return '"%s"' % html_escape(string).replace('\n','%#10;')\
+ .replace('\r',' ').replace('\t','	')
+
+
+def yieldroutes(func):
+ """ Return a generator for routes that match the signature (name, args)
+ of the func parameter. This may yield more than one route if the function
+ takes optional keyword arguments. The output is best described by example::
+
+ a() -> '/a'
+ b(x, y) -> '/b/:x/:y'
+ c(x, y=5) -> '/c/:x' and '/c/:x/:y'
+ d(x=5, y=6) -> '/d' and '/d/:x' and '/d/:x/:y'
+ """
+ import inspect # Expensive module. Only import if necessary.
+ path = '/' + func.__name__.replace('__','/').lstrip('/')
+ spec = inspect.getargspec(func)
+ argc = len(spec[0]) - len(spec[3] or [])
+ path += ('/:%s' * argc) % tuple(spec[0][:argc])
+ yield path
+ for arg in spec[0][argc:]:
+ path += '/:%s' % arg
+ yield path
+
+
+def path_shift(script_name, path_info, shift=1):
+ ''' Shift path fragments from PATH_INFO to SCRIPT_NAME and vice versa.
+
+ :return: The modified paths.
+ :param script_name: The SCRIPT_NAME path.
+ :param script_name: The PATH_INFO path.
+ :param shift: The number of path fragments to shift. May be negative to
+ change the shift direction. (default: 1)
+ '''
+ if shift == 0: return script_name, path_info
+ pathlist = path_info.strip('/').split('/')
+ scriptlist = script_name.strip('/').split('/')
+ if pathlist and pathlist[0] == '': pathlist = []
+ if scriptlist and scriptlist[0] == '': scriptlist = []
+ if shift > 0 and shift <= len(pathlist):
+ moved = pathlist[:shift]
+ scriptlist = scriptlist + moved
+ pathlist = pathlist[shift:]
+ elif shift < 0 and shift >= -len(scriptlist):
+ moved = scriptlist[shift:]
+ pathlist = moved + pathlist
+ scriptlist = scriptlist[:shift]
+ else:
+ empty = 'SCRIPT_NAME' if shift < 0 else 'PATH_INFO'
+ raise AssertionError("Cannot shift. Nothing left from %s" % empty)
+ new_script_name = '/' + '/'.join(scriptlist)
+ new_path_info = '/' + '/'.join(pathlist)
+ if path_info.endswith('/') and pathlist: new_path_info += '/'
+ return new_script_name, new_path_info
+
+
+def validate(**vkargs):
+ """
+ Validates and manipulates keyword arguments by user defined callables.
+ Handles ValueError and missing arguments by raising HTTPError(403).
+ """
+ depr('Use route wildcard filters instead.')
+ def decorator(func):
+ @functools.wraps(func)
+ def wrapper(*args, **kargs):
+ for key, value in vkargs.items():
+ if key not in kargs:
+ abort(403, 'Missing parameter: %s' % key)
+ try:
+ kargs[key] = value(kargs[key])
+ except ValueError:
+ abort(403, 'Wrong parameter format for: %s' % key)
+ return func(*args, **kargs)
+ return wrapper
+ return decorator
+
+
+def auth_basic(check, realm="private", text="Access denied"):
+ ''' Callback decorator to require HTTP auth (basic).
+ TODO: Add route(check_auth=...) parameter. '''
+ def decorator(func):
+ def wrapper(*a, **ka):
+ user, password = request.auth or (None, None)
+ if user is None or not check(user, password):
+ response.headers['WWW-Authenticate'] = 'Basic realm="%s"' % realm
+ return HTTPError(401, text)
+ return func(*a, **ka)
+ return wrapper
+ return decorator
+
+
+# Shortcuts for common Bottle methods.
+# They all refer to the current default application.
+
+def make_default_app_wrapper(name):
+ ''' Return a callable that relays calls to the current default app. '''
+ @functools.wraps(getattr(Bottle, name))
+ def wrapper(*a, **ka):
+ return getattr(app(), name)(*a, **ka)
+ return wrapper
+
+route = make_default_app_wrapper('route')
+get = make_default_app_wrapper('get')
+post = make_default_app_wrapper('post')
+put = make_default_app_wrapper('put')
+delete = make_default_app_wrapper('delete')
+error = make_default_app_wrapper('error')
+mount = make_default_app_wrapper('mount')
+hook = make_default_app_wrapper('hook')
+install = make_default_app_wrapper('install')
+uninstall = make_default_app_wrapper('uninstall')
+url = make_default_app_wrapper('get_url')
+
+
+
+
+
+
+
+###############################################################################
+# Server Adapter ###############################################################
+###############################################################################
+
+
+class ServerAdapter(object):
+ quiet = False
+ def __init__(self, host='127.0.0.1', port=8080, **config):
+ self.options = config
+ self.host = host
+ self.port = int(port)
+
+ def run(self, handler): # pragma: no cover
+ pass
+
+ def __repr__(self):
+ args = ', '.join(['%s=%s'%(k,repr(v)) for k, v in self.options.items()])
+ return "%s(%s)" % (self.__class__.__name__, args)
+
+
+class CGIServer(ServerAdapter):
+ quiet = True
+ def run(self, handler): # pragma: no cover
+ from wsgiref.handlers import CGIHandler
+ def fixed_environ(environ, start_response):
+ environ.setdefault('PATH_INFO', '')
+ return handler(environ, start_response)
+ CGIHandler().run(fixed_environ)
+
+
+class FlupFCGIServer(ServerAdapter):
+ def run(self, handler): # pragma: no cover
+ import flup.server.fcgi
+ self.options.setdefault('bindAddress', (self.host, self.port))
+ flup.server.fcgi.WSGIServer(handler, **self.options).run()
+
+
+class WSGIRefServer(ServerAdapter):
+ def run(self, handler): # pragma: no cover
+ from wsgiref.simple_server import make_server, WSGIRequestHandler
+ if self.quiet:
+ class QuietHandler(WSGIRequestHandler):
+ def log_request(*args, **kw): pass
+ self.options['handler_class'] = QuietHandler
+ srv = make_server(self.host, self.port, handler, **self.options)
+ srv.serve_forever()
+
+
+class CherryPyServer(ServerAdapter):
+ def run(self, handler): # pragma: no cover
+ from cherrypy import wsgiserver
+ server = wsgiserver.CherryPyWSGIServer((self.host, self.port), handler)
+ try:
+ server.start()
+ finally:
+ server.stop()
+
+
+class WaitressServer(ServerAdapter):
+ def run(self, handler):
+ from waitress import serve
+ serve(handler, host=self.host, port=self.port)
+
+
+class PasteServer(ServerAdapter):
+ def run(self, handler): # pragma: no cover
+ from paste import httpserver
+ if not self.quiet:
+ from paste.translogger import TransLogger
+ handler = TransLogger(handler)
+ httpserver.serve(handler, host=self.host, port=str(self.port),
+ **self.options)
+
+
+class MeinheldServer(ServerAdapter):
+ def run(self, handler):
+ from meinheld import server
+ server.listen((self.host, self.port))
+ server.run(handler)
+
+
+class FapwsServer(ServerAdapter):
+ """ Extremely fast webserver using libev. See http://www.fapws.org/ """
+ def run(self, handler): # pragma: no cover
+ import fapws._evwsgi as evwsgi
+ from fapws import base, config
+ port = self.port
+ if float(config.SERVER_IDENT[-2:]) > 0.4:
+ # fapws3 silently changed its API in 0.5
+ port = str(port)
+ evwsgi.start(self.host, port)
+ # fapws3 never releases the GIL. Complain upstream. I tried. No luck.
+ if 'BOTTLE_CHILD' in os.environ and not self.quiet:
+ _stderr("WARNING: Auto-reloading does not work with Fapws3.\n")
+ _stderr(" (Fapws3 breaks python thread support)\n")
+ evwsgi.set_base_module(base)
+ def app(environ, start_response):
+ environ['wsgi.multiprocess'] = False
+ return handler(environ, start_response)
+ evwsgi.wsgi_cb(('', app))
+ evwsgi.run()
+
+
+class TornadoServer(ServerAdapter):
+ """ The super hyped asynchronous server by facebook. Untested. """
+ def run(self, handler): # pragma: no cover
+ import tornado.wsgi, tornado.httpserver, tornado.ioloop
+ container = tornado.wsgi.WSGIContainer(handler)
+ server = tornado.httpserver.HTTPServer(container)
+ server.listen(port=self.port)
+ tornado.ioloop.IOLoop.instance().start()
+
+
+class AppEngineServer(ServerAdapter):
+ """ Adapter for Google App Engine. """
+ quiet = True
+ def run(self, handler):
+ from google.appengine.ext.webapp import util
+ # A main() function in the handler script enables 'App Caching'.
+ # Lets makes sure it is there. This _really_ improves performance.
+ module = sys.modules.get('__main__')
+ if module and not hasattr(module, 'main'):
+ module.main = lambda: util.run_wsgi_app(handler)
+ util.run_wsgi_app(handler)
+
+
+class TwistedServer(ServerAdapter):
+ """ Untested. """
+ def run(self, handler):
+ from twisted.web import server, wsgi
+ from twisted.python.threadpool import ThreadPool
+ from twisted.internet import reactor
+ thread_pool = ThreadPool()
+ thread_pool.start()
+ reactor.addSystemEventTrigger('after', 'shutdown', thread_pool.stop)
+ factory = server.Site(wsgi.WSGIResource(reactor, thread_pool, handler))
+ reactor.listenTCP(self.port, factory, interface=self.host)
+ reactor.run()
+
+
+class DieselServer(ServerAdapter):
+ """ Untested. """
+ def run(self, handler):
+ from diesel.protocols.wsgi import WSGIApplication
+ app = WSGIApplication(handler, port=self.port)
+ app.run()
+
+
+class GeventServer(ServerAdapter):
+ """ Untested. Options:
+
+ * `fast` (default: False) uses libevent's http server, but has some
+ issues: No streaming, no pipelining, no SSL.
+ """
+ def run(self, handler):
+ from gevent import wsgi, pywsgi, local
+ if not isinstance(_lctx, local.local):
+ msg = "Bottle requires gevent.monkey.patch_all() (before import)"
+ raise RuntimeError(msg)
+ if not self.options.get('fast'): wsgi = pywsgi
+ log = None if self.quiet else 'default'
+ wsgi.WSGIServer((self.host, self.port), handler, log=log).serve_forever()
+
+
+class GunicornServer(ServerAdapter):
+ """ Untested. See http://gunicorn.org/configure.html for options. """
+ def run(self, handler):
+ from gunicorn.app.base import Application
+
+ config = {'bind': "%s:%d" % (self.host, int(self.port))}
+ config.update(self.options)
+
+ class GunicornApplication(Application):
+ def init(self, parser, opts, args):
+ return config
+
+ def load(self):
+ return handler
+
+ GunicornApplication().run()
+
+
+class EventletServer(ServerAdapter):
+ """ Untested """
+ def run(self, handler):
+ from eventlet import wsgi, listen
+ try:
+ wsgi.server(listen((self.host, self.port)), handler,
+ log_output=(not self.quiet))
+ except TypeError:
+ # Fallback, if we have old version of eventlet
+ wsgi.server(listen((self.host, self.port)), handler)
+
+
+class RocketServer(ServerAdapter):
+ """ Untested. """
+ def run(self, handler):
+ from rocket import Rocket
+ server = Rocket((self.host, self.port), 'wsgi', { 'wsgi_app' : handler })
+ server.start()
+
+
+class BjoernServer(ServerAdapter):
+ """ Fast server written in C: https://github.com/jonashaag/bjoern """
+ def run(self, handler):
+ from bjoern import run
+ run(handler, self.host, self.port)
+
+
+class AutoServer(ServerAdapter):
+ """ Untested. """
+ adapters = [WaitressServer, PasteServer, TwistedServer, CherryPyServer, WSGIRefServer]
+ def run(self, handler):
+ for sa in self.adapters:
+ try:
+ return sa(self.host, self.port, **self.options).run(handler)
+ except ImportError:
+ pass
+
+server_names = {
+ 'cgi': CGIServer,
+ 'flup': FlupFCGIServer,
+ 'wsgiref': WSGIRefServer,
+ 'waitress': WaitressServer,
+ 'cherrypy': CherryPyServer,
+ 'paste': PasteServer,
+ 'fapws3': FapwsServer,
+ 'tornado': TornadoServer,
+ 'gae': AppEngineServer,
+ 'twisted': TwistedServer,
+ 'diesel': DieselServer,
+ 'meinheld': MeinheldServer,
+ 'gunicorn': GunicornServer,
+ 'eventlet': EventletServer,
+ 'gevent': GeventServer,
+ 'rocket': RocketServer,
+ 'bjoern' : BjoernServer,
+ 'auto': AutoServer,
+}
+
+
+
+
+
+
+###############################################################################
+# Application Control ##########################################################
+###############################################################################
+
+
+def load(target, **namespace):
+ """ Import a module or fetch an object from a module.
+
+ * ``package.module`` returns `module` as a module object.
+ * ``pack.mod:name`` returns the module variable `name` from `pack.mod`.
+ * ``pack.mod:func()`` calls `pack.mod.func()` and returns the result.
+
+ The last form accepts not only function calls, but any type of
+ expression. Keyword arguments passed to this function are available as
+ local variables. Example: ``import_string('re:compile(x)', x='[a-z]')``
+ """
+ module, target = target.split(":", 1) if ':' in target else (target, None)
+ if module not in sys.modules: __import__(module)
+ if not target: return sys.modules[module]
+ if target.isalnum(): return getattr(sys.modules[module], target)
+ package_name = module.split('.')[0]
+ namespace[package_name] = sys.modules[package_name]
+ return eval('%s.%s' % (module, target), namespace)
+
+
+def load_app(target):
+ """ Load a bottle application from a module and make sure that the import
+ does not affect the current default application, but returns a separate
+ application object. See :func:`load` for the target parameter. """
+ global NORUN; NORUN, nr_old = True, NORUN
+ try:
+ tmp = default_app.push() # Create a new "default application"
+ rv = load(target) # Import the target module
+ return rv if callable(rv) else tmp
+ finally:
+ default_app.remove(tmp) # Remove the temporary added default application
+ NORUN = nr_old
+
+_debug = debug
+def run(app=None, server='wsgiref', host='127.0.0.1', port=8080,
+ interval=1, reloader=False, quiet=False, plugins=None,
+ debug=False, **kargs):
+ """ Start a server instance. This method blocks until the server terminates.
+
+ :param app: WSGI application or target string supported by
+ :func:`load_app`. (default: :func:`default_app`)
+ :param server: Server adapter to use. See :data:`server_names` keys
+ for valid names or pass a :class:`ServerAdapter` subclass.
+ (default: `wsgiref`)
+ :param host: Server address to bind to. Pass ``0.0.0.0`` to listens on
+ all interfaces including the external one. (default: 127.0.0.1)
+ :param port: Server port to bind to. Values below 1024 require root
+ privileges. (default: 8080)
+ :param reloader: Start auto-reloading server? (default: False)
+ :param interval: Auto-reloader interval in seconds (default: 1)
+ :param quiet: Suppress output to stdout and stderr? (default: False)
+ :param options: Options passed to the server adapter.
+ """
+ if NORUN: return
+ if reloader and not os.environ.get('BOTTLE_CHILD'):
+ try:
+ lockfile = None
+ fd, lockfile = tempfile.mkstemp(prefix='bottle.', suffix='.lock')
+ os.close(fd) # We only need this file to exist. We never write to it
+ while os.path.exists(lockfile):
+ args = [sys.executable] + sys.argv
+ environ = os.environ.copy()
+ environ['BOTTLE_CHILD'] = 'true'
+ environ['BOTTLE_LOCKFILE'] = lockfile
+ p = subprocess.Popen(args, env=environ)
+ while p.poll() is None: # Busy wait...
+ os.utime(lockfile, None) # I am alive!
+ time.sleep(interval)
+ if p.poll() != 3:
+ if os.path.exists(lockfile): os.unlink(lockfile)
+ sys.exit(p.poll())
+ except KeyboardInterrupt:
+ pass
+ finally:
+ if os.path.exists(lockfile):
+ os.unlink(lockfile)
+ return
+
+ try:
+ _debug(debug)
+ app = app or default_app()
+ if isinstance(app, basestring):
+ app = load_app(app)
+ if not callable(app):
+ raise ValueError("Application is not callable: %r" % app)
+
+ for plugin in plugins or []:
+ app.install(plugin)
+
+ if server in server_names:
+ server = server_names.get(server)
+ if isinstance(server, basestring):
+ server = load(server)
+ if isinstance(server, type):
+ server = server(host=host, port=port, **kargs)
+ if not isinstance(server, ServerAdapter):
+ raise ValueError("Unknown or unsupported server: %r" % server)
+
+ server.quiet = server.quiet or quiet
+ if not server.quiet:
+ _stderr("Bottle v%s server starting up (using %s)...\n" % (__version__, repr(server)))
+ _stderr("Listening on http://%s:%d/\n" % (server.host, server.port))
+ _stderr("Hit Ctrl-C to quit.\n\n")
+
+ if reloader:
+ lockfile = os.environ.get('BOTTLE_LOCKFILE')
+ bgcheck = FileCheckerThread(lockfile, interval)
+ with bgcheck:
+ server.run(app)
+ if bgcheck.status == 'reload':
+ sys.exit(3)
+ else:
+ server.run(app)
+ except KeyboardInterrupt:
+ pass
+ except (SystemExit, MemoryError):
+ raise
+ except:
+ if not reloader: raise
+ if not getattr(server, 'quiet', quiet):
+ print_exc()
+ time.sleep(interval)
+ sys.exit(3)
+
+
+
+class FileCheckerThread(threading.Thread):
+ ''' Interrupt main-thread as soon as a changed module file is detected,
+ the lockfile gets deleted or gets to old. '''
+
+ def __init__(self, lockfile, interval):
+ threading.Thread.__init__(self)
+ self.lockfile, self.interval = lockfile, interval
+ #: Is one of 'reload', 'error' or 'exit'
+ self.status = None
+
+ def run(self):
+ exists = os.path.exists
+ mtime = lambda path: os.stat(path).st_mtime
+ files = dict()
+
+ for module in list(sys.modules.values()):
+ path = getattr(module, '__file__', '')
+ if path[-4:] in ('.pyo', '.pyc'): path = path[:-1]
+ if path and exists(path): files[path] = mtime(path)
+
+ while not self.status:
+ if not exists(self.lockfile)\
+ or mtime(self.lockfile) < time.time() - self.interval - 5:
+ self.status = 'error'
+ thread.interrupt_main()
+ for path, lmtime in list(files.items()):
+ if not exists(path) or mtime(path) > lmtime:
+ self.status = 'reload'
+ thread.interrupt_main()
+ break
+ time.sleep(self.interval)
+
+ def __enter__(self):
+ self.start()
+
+ def __exit__(self, exc_type, exc_val, exc_tb):
+ if not self.status: self.status = 'exit' # silent exit
+ self.join()
+ return exc_type is not None and issubclass(exc_type, KeyboardInterrupt)
+
+
+
+
+
+###############################################################################
+# Template Adapters ############################################################
+###############################################################################
+
+
+class TemplateError(HTTPError):
+ def __init__(self, message):
+ HTTPError.__init__(self, 500, message)
+
+
+class BaseTemplate(object):
+ """ Base class and minimal API for template adapters """
+ extensions = ['tpl','html','thtml','stpl']
+ settings = {} #used in prepare()
+ defaults = {} #used in render()
+
+ def __init__(self, source=None, name=None, lookup=[], encoding='utf8', **settings):
+ """ Create a new template.
+ If the source parameter (str or buffer) is missing, the name argument
+ is used to guess a template filename. Subclasses can assume that
+ self.source and/or self.filename are set. Both are strings.
+ The lookup, encoding and settings parameters are stored as instance
+ variables.
+ The lookup parameter stores a list containing directory paths.
+ The encoding parameter should be used to decode byte strings or files.
+ The settings parameter contains a dict for engine-specific settings.
+ """
+ self.name = name
+ self.source = source.read() if hasattr(source, 'read') else source
+ self.filename = source.filename if hasattr(source, 'filename') else None
+ self.lookup = [os.path.abspath(x) for x in lookup]
+ self.encoding = encoding
+ self.settings = self.settings.copy() # Copy from class variable
+ self.settings.update(settings) # Apply
+ if not self.source and self.name:
+ self.filename = self.search(self.name, self.lookup)
+ if not self.filename:
+ raise TemplateError('Template %s not found.' % repr(name))
+ if not self.source and not self.filename:
+ raise TemplateError('No template specified.')
+ self.prepare(**self.settings)
+
+ @classmethod
+ def search(cls, name, lookup=[]):
+ """ Search name in all directories specified in lookup.
+ First without, then with common extensions. Return first hit. """
+ if not lookup:
+ depr('The template lookup path list should not be empty.')
+ lookup = ['.']
+
+ if os.path.isabs(name) and os.path.isfile(name):
+ depr('Absolute template path names are deprecated.')
+ return os.path.abspath(name)
+
+ for spath in lookup:
+ spath = os.path.abspath(spath) + os.sep
+ fname = os.path.abspath(os.path.join(spath, name))
+ if not fname.startswith(spath): continue
+ if os.path.isfile(fname): return fname
+ for ext in cls.extensions:
+ if os.path.isfile('%s.%s' % (fname, ext)):
+ return '%s.%s' % (fname, ext)
+
+ @classmethod
+ def global_config(cls, key, *args):
+ ''' This reads or sets the global settings stored in class.settings. '''
+ if args:
+ cls.settings = cls.settings.copy() # Make settings local to class
+ cls.settings[key] = args[0]
+ else:
+ return cls.settings[key]
+
+ def prepare(self, **options):
+ """ Run preparations (parsing, caching, ...).
+ It should be possible to call this again to refresh a template or to
+ update settings.
+ """
+ raise NotImplementedError
+
+ def render(self, *args, **kwargs):
+ """ Render the template with the specified local variables and return
+ a single byte or unicode string. If it is a byte string, the encoding
+ must match self.encoding. This method must be thread-safe!
+ Local variables may be provided in dictionaries (*args)
+ or directly, as keywords (**kwargs).
+ """
+ raise NotImplementedError
+
+
+class MakoTemplate(BaseTemplate):
+ def prepare(self, **options):
+ from mako.template import Template
+ from mako.lookup import TemplateLookup
+ options.update({'input_encoding':self.encoding})
+ options.setdefault('format_exceptions', bool(DEBUG))
+ lookup = TemplateLookup(directories=self.lookup, **options)
+ if self.source:
+ self.tpl = Template(self.source, lookup=lookup, **options)
+ else:
+ self.tpl = Template(uri=self.name, filename=self.filename, lookup=lookup, **options)
+
+ def render(self, *args, **kwargs):
+ for dictarg in args: kwargs.update(dictarg)
+ _defaults = self.defaults.copy()
+ _defaults.update(kwargs)
+ return self.tpl.render(**_defaults)
+
+
+class CheetahTemplate(BaseTemplate):
+ def prepare(self, **options):
+ from Cheetah.Template import Template
+ self.context = threading.local()
+ self.context.vars = {}
+ options['searchList'] = [self.context.vars]
+ if self.source:
+ self.tpl = Template(source=self.source, **options)
+ else:
+ self.tpl = Template(file=self.filename, **options)
+
+ def render(self, *args, **kwargs):
+ for dictarg in args: kwargs.update(dictarg)
+ self.context.vars.update(self.defaults)
+ self.context.vars.update(kwargs)
+ out = str(self.tpl)
+ self.context.vars.clear()
+ return out
+
+
+class Jinja2Template(BaseTemplate):
+ def prepare(self, filters=None, tests=None, **kwargs):
+ from jinja2 import Environment, FunctionLoader
+ if 'prefix' in kwargs: # TODO: to be removed after a while
+ raise RuntimeError('The keyword argument `prefix` has been removed. '
+ 'Use the full jinja2 environment name line_statement_prefix instead.')
+ self.env = Environment(loader=FunctionLoader(self.loader), **kwargs)
+ if filters: self.env.filters.update(filters)
+ if tests: self.env.tests.update(tests)
+ if self.source:
+ self.tpl = self.env.from_string(self.source)
+ else:
+ self.tpl = self.env.get_template(self.filename)
+
+ def render(self, *args, **kwargs):
+ for dictarg in args: kwargs.update(dictarg)
+ _defaults = self.defaults.copy()
+ _defaults.update(kwargs)
+ return self.tpl.render(**_defaults)
+
+ def loader(self, name):
+ fname = self.search(name, self.lookup)
+ if not fname: return
+ with open(fname, "rb") as f:
+ return f.read().decode(self.encoding)
+
+
+class SimpleTALTemplate(BaseTemplate):
+ ''' Deprecated, do not use. '''
+ def prepare(self, **options):
+ depr('The SimpleTAL template handler is deprecated'\
+ ' and will be removed in 0.12')
+ from simpletal import simpleTAL
+ if self.source:
+ self.tpl = simpleTAL.compileHTMLTemplate(self.source)
+ else:
+ with open(self.filename, 'rb') as fp:
+ self.tpl = simpleTAL.compileHTMLTemplate(tonat(fp.read()))
+
+ def render(self, *args, **kwargs):
+ from simpletal import simpleTALES
+ for dictarg in args: kwargs.update(dictarg)
+ context = simpleTALES.Context()
+ for k,v in self.defaults.items():
+ context.addGlobal(k, v)
+ for k,v in kwargs.items():
+ context.addGlobal(k, v)
+ output = StringIO()
+ self.tpl.expand(context, output)
+ return output.getvalue()
+
+
+class SimpleTemplate(BaseTemplate):
+ blocks = ('if', 'elif', 'else', 'try', 'except', 'finally', 'for', 'while',
+ 'with', 'def', 'class')
+ dedent_blocks = ('elif', 'else', 'except', 'finally')
+
+ @lazy_attribute
+ def re_pytokens(cls):
+ ''' This matches comments and all kinds of quoted strings but does
+ NOT match comments (#...) within quoted strings. (trust me) '''
+ return re.compile(r'''
+ (''(?!')|""(?!")|'{6}|"{6} # Empty strings (all 4 types)
+ |'(?:[^\\']|\\.)+?' # Single quotes (')
+ |"(?:[^\\"]|\\.)+?" # Double quotes (")
+ |'{3}(?:[^\\]|\\.|\n)+?'{3} # Triple-quoted strings (')
+ |"{3}(?:[^\\]|\\.|\n)+?"{3} # Triple-quoted strings (")
+ |\#.* # Comments
+ )''', re.VERBOSE)
+
+ def prepare(self, escape_func=html_escape, noescape=False, **kwargs):
+ self.cache = {}
+ enc = self.encoding
+ self._str = lambda x: touni(x, enc)
+ self._escape = lambda x: escape_func(touni(x, enc))
+ if noescape:
+ self._str, self._escape = self._escape, self._str
+
+ @classmethod
+ def split_comment(cls, code):
+ """ Removes comments (#...) from python code. """
+ if '#' not in code: return code
+ #: Remove comments only (leave quoted strings as they are)
+ subf = lambda m: '' if m.group(0)[0]=='#' else m.group(0)
+ return re.sub(cls.re_pytokens, subf, code)
+
+ @cached_property
+ def co(self):
+ return compile(self.code, self.filename or '<string>', 'exec')
+
+ @cached_property
+ def code(self):
+ stack = [] # Current Code indentation
+ lineno = 0 # Current line of code
+ ptrbuffer = [] # Buffer for printable strings and token tuple instances
+ codebuffer = [] # Buffer for generated python code
+ multiline = dedent = oneline = False
+ template = self.source or open(self.filename, 'rb').read()
+
+ def yield_tokens(line):
+ for i, part in enumerate(re.split(r'\{\{(.*?)\}\}', line)):
+ if i % 2:
+ if part.startswith('!'): yield 'RAW', part[1:]
+ else: yield 'CMD', part
+ else: yield 'TXT', part
+
+ def flush(): # Flush the ptrbuffer
+ if not ptrbuffer: return
+ cline = ''
+ for line in ptrbuffer:
+ for token, value in line:
+ if token == 'TXT': cline += repr(value)
+ elif token == 'RAW': cline += '_str(%s)' % value
+ elif token == 'CMD': cline += '_escape(%s)' % value
+ cline += ', '
+ cline = cline[:-2] + '\\\n'
+ cline = cline[:-2]
+ if cline[:-1].endswith('\\\\\\\\\\n'):
+ cline = cline[:-7] + cline[-1] # 'nobr\\\\\n' --> 'nobr'
+ cline = '_printlist([' + cline + '])'
+ del ptrbuffer[:] # Do this before calling code() again
+ code(cline)
+
+ def code(stmt):
+ for line in stmt.splitlines():
+ codebuffer.append(' ' * len(stack) + line.strip())
+
+ for line in template.splitlines(True):
+ lineno += 1
+ line = touni(line, self.encoding)
+ sline = line.lstrip()
+ if lineno <= 2:
+ m = re.match(r"%\s*#.*coding[:=]\s*([-\w.]+)", sline)
+ if m: self.encoding = m.group(1)
+ if m: line = line.replace('coding','coding (removed)')
+ if sline and sline[0] == '%' and sline[:2] != '%%':
+ line = line.split('%',1)[1].lstrip() # Full line following the %
+ cline = self.split_comment(line).strip()
+ cmd = re.split(r'[^a-zA-Z0-9_]', cline)[0]
+ flush() # You are actually reading this? Good luck, it's a mess :)
+ if cmd in self.blocks or multiline:
+ cmd = multiline or cmd
+ dedent = cmd in self.dedent_blocks # "else:"
+ if dedent and not oneline and not multiline:
+ cmd = stack.pop()
+ code(line)
+ oneline = not cline.endswith(':') # "if 1: pass"
+ multiline = cmd if cline.endswith('\\') else False
+ if not oneline and not multiline:
+ stack.append(cmd)
+ elif cmd == 'end' and stack:
+ code('#end(%s) %s' % (stack.pop(), line.strip()[3:]))
+ elif cmd == 'include':
+ p = cline.split(None, 2)[1:]
+ if len(p) == 2:
+ code("_=_include(%s, _stdout, %s)" % (repr(p[0]), p[1]))
+ elif p:
+ code("_=_include(%s, _stdout)" % repr(p[0]))
+ else: # Empty %include -> reverse of %rebase
+ code("_printlist(_base)")
+ elif cmd == 'rebase':
+ p = cline.split(None, 2)[1:]
+ if len(p) == 2:
+ code("globals()['_rebase']=(%s, dict(%s))" % (repr(p[0]), p[1]))
+ elif p:
+ code("globals()['_rebase']=(%s, {})" % repr(p[0]))
+ else:
+ code(line)
+ else: # Line starting with text (not '%') or '%%' (escaped)
+ if line.strip().startswith('%%'):
+ line = line.replace('%%', '%', 1)
+ ptrbuffer.append(yield_tokens(line))
+ flush()
+ return '\n'.join(codebuffer) + '\n'
+
+ def subtemplate(self, _name, _stdout, *args, **kwargs):
+ for dictarg in args: kwargs.update(dictarg)
+ if _name not in self.cache:
+ self.cache[_name] = self.__class__(name=_name, lookup=self.lookup)
+ return self.cache[_name].execute(_stdout, kwargs)
+
+ def execute(self, _stdout, *args, **kwargs):
+ for dictarg in args: kwargs.update(dictarg)
+ env = self.defaults.copy()
+ env.update({'_stdout': _stdout, '_printlist': _stdout.extend,
+ '_include': self.subtemplate, '_str': self._str,
+ '_escape': self._escape, 'get': env.get,
+ 'setdefault': env.setdefault, 'defined': env.__contains__})
+ env.update(kwargs)
+ eval(self.co, env)
+ if '_rebase' in env:
+ subtpl, rargs = env['_rebase']
+ rargs['_base'] = _stdout[:] #copy stdout
+ del _stdout[:] # clear stdout
+ return self.subtemplate(subtpl,_stdout,rargs)
+ return env
+
+ def render(self, *args, **kwargs):
+ """ Render the template using keyword arguments as local variables. """
+ for dictarg in args: kwargs.update(dictarg)
+ stdout = []
+ self.execute(stdout, kwargs)
+ return ''.join(stdout)
+
+
+def template(*args, **kwargs):
+ '''
+ Get a rendered template as a string iterator.
+ You can use a name, a filename or a template string as first parameter.
+ Template rendering arguments can be passed as dictionaries
+ or directly (as keyword arguments).
+ '''
+ tpl = args[0] if args else None
+ adapter = kwargs.pop('template_adapter', SimpleTemplate)
+ lookup = kwargs.pop('template_lookup', TEMPLATE_PATH)
+ tplid = (id(lookup), tpl)
+ if tplid not in TEMPLATES or DEBUG:
+ settings = kwargs.pop('template_settings', {})
+ if isinstance(tpl, adapter):
+ TEMPLATES[tplid] = tpl
+ if settings: TEMPLATES[tplid].prepare(**settings)
+ elif "\n" in tpl or "{" in tpl or "%" in tpl or '$' in tpl:
+ TEMPLATES[tplid] = adapter(source=tpl, lookup=lookup, **settings)
+ else:
+ TEMPLATES[tplid] = adapter(name=tpl, lookup=lookup, **settings)
+ if not TEMPLATES[tplid]:
+ abort(500, 'Template (%s) not found' % tpl)
+ for dictarg in args[1:]: kwargs.update(dictarg)
+ return TEMPLATES[tplid].render(kwargs)
+
+mako_template = functools.partial(template, template_adapter=MakoTemplate)
+cheetah_template = functools.partial(template, template_adapter=CheetahTemplate)
+jinja2_template = functools.partial(template, template_adapter=Jinja2Template)
+simpletal_template = functools.partial(template, template_adapter=SimpleTALTemplate)
+
+
+def view(tpl_name, **defaults):
+ ''' Decorator: renders a template for a handler.
+ The handler can control its behavior like that:
+
+ - return a dict of template vars to fill out the template
+ - return something other than a dict and the view decorator will not
+ process the template, but return the handler result as is.
+ This includes returning a HTTPResponse(dict) to get,
+ for instance, JSON with autojson or other castfilters.
+ '''
+ def decorator(func):
+ @functools.wraps(func)
+ def wrapper(*args, **kwargs):
+ result = func(*args, **kwargs)
+ if isinstance(result, (dict, DictMixin)):
+ tplvars = defaults.copy()
+ tplvars.update(result)
+ return template(tpl_name, **tplvars)
+ return result
+ return wrapper
+ return decorator
+
+mako_view = functools.partial(view, template_adapter=MakoTemplate)
+cheetah_view = functools.partial(view, template_adapter=CheetahTemplate)
+jinja2_view = functools.partial(view, template_adapter=Jinja2Template)
+simpletal_view = functools.partial(view, template_adapter=SimpleTALTemplate)
+
+
+
+
+
+
+###############################################################################
+# Constants and Globals ########################################################
+###############################################################################
+
+
+TEMPLATE_PATH = ['./', './views/']
+TEMPLATES = {}
+DEBUG = False
+NORUN = False # If set, run() does nothing. Used by load_app()
+
+#: A dict to map HTTP status codes (e.g. 404) to phrases (e.g. 'Not Found')
+HTTP_CODES = httplib.responses
+HTTP_CODES[418] = "I'm a teapot" # RFC 2324
+HTTP_CODES[428] = "Precondition Required"
+HTTP_CODES[429] = "Too Many Requests"
+HTTP_CODES[431] = "Request Header Fields Too Large"
+HTTP_CODES[511] = "Network Authentication Required"
+_HTTP_STATUS_LINES = dict((k, '%d %s'%(k,v)) for (k,v) in HTTP_CODES.items())
+
+#: The default template used for error pages. Override with @error()
+ERROR_PAGE_TEMPLATE = """
+%%try:
+ %%from %s import DEBUG, HTTP_CODES, request, touni
+ <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
+ <html>
+ <head>
+ <title>Error: {{e.status}}</title>
+ <style type="text/css">
+ html {background-color: #eee; font-family: sans;}
+ body {background-color: #fff; border: 1px solid #ddd;
+ padding: 15px; margin: 15px;}
+ pre {background-color: #eee; border: 1px solid #ddd; padding: 5px;}
+ </style>
+ </head>
+ <body>
+ <h1>Error: {{e.status}}</h1>
+ <p>Sorry, the requested URL <tt>{{repr(request.url)}}</tt>
+ caused an error:</p>
+ <pre>{{e.body}}</pre>
+ %%if DEBUG and e.exception:
+ <h2>Exception:</h2>
+ <pre>{{repr(e.exception)}}</pre>
+ %%end
+ %%if DEBUG and e.traceback:
+ <h2>Traceback:</h2>
+ <pre>{{e.traceback}}</pre>
+ %%end
+ </body>
+ </html>
+%%except ImportError:
+ <b>ImportError:</b> Could not generate the error page. Please add bottle to
+ the import path.
+%%end
+""" % __name__
+
+#: A thread-safe instance of :class:`LocalRequest`. If accessed from within a
+#: request callback, this instance always refers to the *current* request
+#: (even on a multithreaded server).
+request = LocalRequest()
+
+#: A thread-safe instance of :class:`LocalResponse`. It is used to change the
+#: HTTP response for the *current* request.
+response = LocalResponse()
+
+#: A thread-safe namespace. Not used by Bottle.
+local = threading.local()
+
+# Initialize app stack (create first empty Bottle app)
+# BC: 0.6.4 and needed for run()
+app = default_app = AppStack()
+app.push()
+
+#: A virtual package that redirects import statements.
+#: Example: ``import bottle.ext.sqlite`` actually imports `bottle_sqlite`.
+ext = _ImportRedirect('bottle.ext' if __name__ == '__main__' else __name__+".ext", 'bottle_%s').module
+
+if __name__ == '__main__':
+ opt, args, parser = _cmd_options, _cmd_args, _cmd_parser
+ if opt.version:
+ _stdout('Bottle %s\n'%__version__)
+ sys.exit(0)
+ if not args:
+ parser.print_help()
+ _stderr('\nError: No application specified.\n')
+ sys.exit(1)
+
+ sys.path.insert(0, '.')
+ sys.modules.setdefault('bottle', sys.modules['__main__'])
+
+ host, port = (opt.bind or 'localhost'), 8080
+ if ':' in host:
+ host, port = host.rsplit(':', 1)
+
+ run(args[0], host=host, port=port, server=opt.server,
+ reloader=opt.reload, plugins=opt.plugin, debug=opt.debug)
+
+
+
+
+# THE END
diff --git a/asterix-examples/src/main/resources/intro/demo.tpl b/asterix-examples/src/main/resources/intro/demo.tpl
new file mode 100644
index 0000000..3e1537a
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/demo.tpl
@@ -0,0 +1,531 @@
+<!DOCTYPE html>
+
+<html>
+<head>
+ <title>AsterixDB TinySocial Demo</title>
+
+ <style>
+ .pretty-printed {
+ background-color: #eeeeee;
+ margin-bottom: 1em;
+ }
+
+ .how-to-run {
+ background-color: #c8c8c8;
+ margin-bottom: 1em;
+ }
+
+ .result-output {
+ background-color: #BED8E5;
+ margin-bottom: 1em;
+ overflow-x: scroll;
+ overflow-y: none;
+ }
+
+ body {
+ font-family : "Helvetica";
+ margin-bottom: 1em;
+ }
+ </style>
+
+ <link href="static/css/bootstrap.min.css" rel="stylesheet">
+
+ <script src="static/js/jquery.min.js"></script>
+ <script src="static/js/bootstrap.min.js"></script>
+ <script src="static/js/asterix-sdk-stable.js"></script>
+ <script src="static/js/demo.js"></script>
+</head>
+<body>
+ <div class="container">
+ <h1>AQL: Querying TinySocial AsterixDB</h1>
+
+ <h2>Query 0-A - Exact-Match Lookup</h2>
+ <div class="sample-query">
+
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $user in dataset FacebookUsers
+ where $user.id = 8
+ return $user;
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression0a = new FLWOGRExpression()
+ .ForClause("$user", new AExpression("dataset FacebookUsers"))
+ .WhereClause(new AExpression("$user.id = 8"))
+ .ReturnClause("$user");
+ </code></pre></div>
+
+ <div class="result-output" id="result0a">
+ </div>
+
+ <button id="run0a">Run #0-A</button>
+ </div>
+ <hr/>
+ <h2>Query 0-B - Range Scan</h2>
+ <div class="sample-query">
+
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $user in dataset FacebookUsers
+ where $user.id >= 2 and $user.id <= 4
+ return $user;
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression0b = new FLWOGRExpression()
+ .ForClause("$user", new AExpression("dataset FacebookUsers"))
+ .WhereClause().and(new AExpression("$user.id >= 2"), new AExpression("$user.id <= 4"))
+ .ReturnClause("$user");
+ </code></pre></div>
+
+ <div class="result-output" id="result0b">
+ </div>
+
+ <button id="run0b">Run #0-B</button>
+ </div>
+ <hr/>
+
+ <h2>Query 1 - Other Query Filters</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $user in dataset FacebookUsers
+ where $user.user-since >= datetime('2010-07-22T00:00:00')
+ and $user.user-since <= datetime('2012-07-29T23:59:59')
+ return $user;
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression1 = new FLWOGRExpression()
+ .ForClause("$user", new AExpression("dataset FacebookUsers"))
+ .WhereClause().and(
+ new AExpression("$user.user-since >= datetime('2010-07-22T00:00:00')"),
+ new AExpression("$user.user-since <= datetime('2012-07-29T23:59:59')")
+ )
+ .ReturnClause("$user");
+ </code></pre></div>
+
+ <div class="result-output" id="result1">
+ </div>
+
+ <button id="run1">Run #1</button>
+ </div>
+ <hr/>
+
+ <h2>Query 2-A - Equijoin</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $user in dataset FacebookUsers
+ for $message in dataset FacebookMessages
+ where $message.author-id = $user.id
+ return {
+ "uname": $user.name,
+ "message": $message.message
+ };
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression2a = new FLWOGRExpression()
+ .ForClause ("$user", new AExpression("dataset FacebookUsers"))
+ .ForClause ("$message", new AExpression("dataset FacebookMessages"))
+ .WhereClause(new AExpression("$message.author-id = $user.id"))
+ .ReturnClause({
+ "uname" : "$user.name",
+ "message" : "$message.message"
+ });
+ </code></pre></div>
+
+ <div class="result-output" id="result2a">
+ </div>
+
+ <button id="run2a">Run #2-A</button>
+ </div>
+ <hr/>
+
+ <h2>Query 2-B - Index join</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $user in dataset FacebookUsers
+ for $message in dataset FacebookMessages
+ where $message.author-id /*+ indexnl */ = $user.id
+ return {
+ "uname": $user.name,
+ "message": $message.message
+ };
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression2b = new FLWOGRExpression()
+ .ForClause ("$user", new AExpression("dataset FacebookUsers"))
+ .ForClause ("$message", new AExpression("dataset FacebookMessages"))
+ .WhereClause(new AExpression("$message.author-id /*+ indexnl */ = $user.id"))
+ .ReturnClause({
+ "uname" : "$user.name",
+ "message" : "$message.message"
+ });
+ </code></pre></div>
+
+ <div class="result-output" id="result2b">
+ </div>
+
+ <button id="run2b">Run #2-B</button>
+ </div>
+ <hr/>
+
+ <h2>Query 3 - Nested Outer Join</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $user in dataset FacebookUsers
+ return {
+ "uname": $user.name,
+ "messages": for $message in dataset FacebookMessages
+ where $message.author-id = $user.id
+ return $message.message
+ };
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression3messages = new FLWOGRExpression()
+ .ForClause("$message", new AExpression("dataset FacebookMessages"))
+ .WhereClause(new AExpression("$message.author-id = $user.id"))
+ .ReturnClause("$message.message");
+
+ var expression3 = new FLWOGRExpression()
+ .ForClause ("$user", new AExpression("dataset FacebookUsers"))
+ .ReturnClause({
+ "uname": "$user.name",
+ "messages" : expression3messages
+ });
+ </code></pre></div>
+
+ <div class="result-output" id="result3">
+ </div>
+
+ <button id="run3">Run #3</button>
+ </div>
+ <hr/>
+
+ <h2>Query 4 - Theta Join</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $t in dataset TweetMessages
+ return {
+ "message": $t.message-text,
+ "nearby-messages": for $t2 in dataset TweetMessages
+ where spatial-distance($t.sender-location, $t2.sender-location) <= 1
+ return { "msgtxt":$t2.message-text}
+ };
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression4messages = new FLWOGRExpression()
+ .ForClause( "$t2", new AExpression("dataset TweetMessages"))
+ .WhereClause( new AExpression("spatial-distance($t.sender-location, $t2.sender-location) <= 1"))
+ .ReturnClause({ "msgtxt" : "$t2.message-text" });
+
+ var expression4 = new FLWOGRExpression()
+ .ForClause( "$t", new AExpression("dataset TweetMessages"))
+ .ReturnClause({
+ "message" : "$t.message-text",
+ "nearby-messages" : expression4messages
+ });
+ </code></pre></div>
+
+ <div class="result-output" id="result4">
+ </div>
+
+ <button id="run4">Run #4</button>
+ </div>
+ <hr/>
+
+ <h2>Query 5 - Fuzzy Join</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ set simfunction "edit-distance";
+ set simthreshold "3";
+
+ for $fbu in dataset FacebookUsers
+ return {
+ "id": $fbu.id,
+ "name": $fbu.name,
+ "similar-users": for $t in dataset TweetMessages
+ let $tu := $t.user
+ where $tu.name ~= $fbu.name
+ return {
+ "twitter-screenname": $tu.screen-name,
+ "twitter-name": $tu.name
+ }
+ };
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var similarUsersExpression = new FLWOGRExpression()
+ .ForClause("$t", new AExpression("dataset TweetMessages"))
+ .LetClause ("$tu", new AExpression("$t.user"))
+ .WhereClause(new AExpression("$tu.name ~= $fbu.name"))
+ .ReturnClause({
+ "twitter-screenname": "$tu.screen-name",
+ "twitter-name": "$tu.name"
+ });
+
+ var expression5 = new FLWOGRExpression()
+ .ForClause ("$fbu", new AExpression("dataset FacebookUsers"))
+ .ReturnClause(
+ {
+ "id" : "$fbu.id",
+ "name" : "$fbu.name",
+ "similar-users" : similarUsersExpression
+ }
+ );
+ </code></pre></div>
+
+ <div class="result-output" id="result5">
+ </div>
+
+ <button id="run5">Run #5</button>
+ </div>
+ <hr/>
+
+ <h2>Query 6 - Existential Quantification</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $fbu in dataset FacebookUsers
+ where (some $e in $fbu.employment satisfies is-null($e.end-date))
+ return $fbu;
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression6 = new FLWOGRExpression()
+ .ForClause ("$fbu", new AQLClause().set("dataset FacebookUsers"))
+ .WhereClause(
+ new QuantifiedExpression (
+ "some" ,
+ {"$e" : new AExpression("$fbu.employment") },
+ new FunctionExpression("is-null", new AExpression("$e.end-date"))
+ )
+ )
+ .ReturnClause("$fbu");
+ </code></pre></div>
+
+ <div class="result-output" id="result6">
+ </div>
+
+ <button id="run6">Run #6</button>
+ </div>
+ <hr/>
+
+ <h2>Query 7 - Universal Quantification</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $fbu in dataset FacebookUsers
+ where (every $e in $fbu.employment satisfies not(is-null($e.end-date)))
+ return $fbu;
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression7 = new FLWOGRExpression()
+ .ForClause("$fbu", new AExpression("dataset FacebookUsers"))
+ .WhereClause(
+ new QuantifiedExpression (
+ "every" ,
+ {"$e" : new AExpression("$fbu.employment") },
+ new FunctionExpression("not", new FunctionExpression("is-null", new AExpression("$e.end-date")))
+ )
+ )
+ .ReturnClause("$fbu");
+ </code></pre></div>
+
+ <div class="result-output" id="result7">
+ </div>
+
+ <button id="run7">Run #7</button>
+ </div>
+ <hr/>
+
+ <h2>Query 8 - Simple Aggregation</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ count(for $fbu in dataset FacebookUsers return $fbu);
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression8 = new FunctionExpression(
+ "count",
+ new FLWOGRExpression()
+ .ForClause("$fbu", new AExpression("dataset FacebookUsers"))
+ .ReturnClause("$fbu")
+ );
+ </code></pre></div>
+
+ <div class="result-output" id="result8">
+ </div>
+
+ <button id="run8">Run #8</button>
+ </div>
+ <hr/>
+
+ <h2>Query 9-A - Grouping and Aggregation</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $t in dataset TweetMessages
+ group by $uid := $t.user.screen-name with $t
+ return {
+ "user": $uid,
+ "count": count($t)
+ };
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression9a = new FLWOGRExpression()
+ .ForClause("$t", new AExpression("dataset TweetMessages"))
+ .GroupClause("$uid", new AExpression("$t.user.screen-name"), "with", "$t")
+ .ReturnClause(
+ {
+ "user" : "$uid",
+ "count" : new FunctionExpression("count", new AExpression("$t"))
+ }
+ );
+ </code></pre></div>
+
+ <div class="result-output" id="result9a">
+ </div>
+
+ <button id="run9a">Run #9-A</button>
+ </div>
+ <hr/>
+
+ <h2>Query 9-B - (Hash-Based) Grouping and Aggregation</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $t in dataset TweetMessages
+ /*+ hash*/
+ group by $uid := $t.user.screen-name with $t
+ return {
+ "user": $uid,
+ "count": count($t)
+ };
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression9b = new FLWOGRExpression()
+ .ForClause("$t", new AExpression("dataset TweetMessages"))
+ .AQLClause("/*+ hash*/")
+ .GroupClause("$uid", new AExpression("$t.user.screen-name"), "with", "$t")
+ .ReturnClause(
+ {
+ "user" : "$uid",
+ "count" : new FunctionExpression("count", new AExpression("$t"))
+ }
+ );
+ </code></pre></div>
+
+ <div class="result-output" id="result9b">
+ </div>
+
+ <button id="run9b">Run #9-B</button>
+ </div>
+ <hr/>
+
+ <h2>Query 10 - Grouping and Limits</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ for $t in dataset TweetMessages
+ group by $uid := $t.user.screen-name with $t
+ let $c := count($t)
+ order by $c desc
+ limit 3
+ return {
+ "user": $uid,
+ "count": $c
+ };
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression10 = new FLWOGRExpression()
+ .ForClause("$t", new AExpression("dataset TweetMessages"))
+ .GroupClause("$uid", new AExpression("$t.user.screen-name"), "with", "$t")
+ .LetClause("$c", new FunctionExpression("count", new AExpression("$t")))
+ .OrderbyClause( new AExpression("$c"), "desc" )
+ .LimitClause(new AExpression("3"))
+ .ReturnClause(
+ {
+ "user" : "$uid",
+ "count" : "$c"
+ }
+ );
+ </code></pre></div>
+
+ <div class="result-output" id="result10">
+ </div>
+
+ <button id="run10">Run #10</button>
+ </div>
+ <hr/>
+
+ <h2>Query 11 - Left Outer Fuzzy Join</h2>
+ <div class="sample-query">
+ <div class="pretty-printed"><pre>
+ use dataverse TinySocial;
+
+ set simfunction "jaccard";
+ set simthreshold "0.3";
+
+ for $t in dataset TweetMessages
+ return {
+ "tweet": $t,
+ "similar-tweets": for $t2 in dataset TweetMessages
+ where $t2.referred-topics ~= $t.referred-topics
+ and $t2.tweetid != $t.tweetid
+ return $t2.referred-topics
+ };
+ </pre></div>
+
+ <div class="how-to-run"><pre><code class="javascript">
+ var expression11 = new FLWOGRExpression()
+ .ForClause( "$t", new AExpression("dataset TweetMessages"))
+ .ReturnClause({
+ "tweet" : new AExpression("$t"),
+ "similar-tweets": new FLWOGRExpression()
+ .ForClause( "$t2", new AExpression("dataset TweetMessages"))
+ .WhereClause().and(
+ new AExpression("$t2.referred-topics ~= $t.referred-topics"),
+ new AExpression("$t2.tweetid != $t.tweetid")
+ )
+ .ReturnClause("$t2.referred-topics")
+ });
+ </code></pre></div>
+
+ <div class="result-output" id="result11">
+ </div>
+
+ <button id="run11">Run #11</button>
+ </div>
+ </div>
+</body>
+</html>
diff --git a/asterix-examples/src/main/resources/intro/run_101_demo.py b/asterix-examples/src/main/resources/intro/run_101_demo.py
new file mode 100755
index 0000000..89efa77
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/run_101_demo.py
@@ -0,0 +1,49 @@
+import admaql101
+import requests
+from bottle import route, run, template, get, debug, static_file, request, response
+
+debug(True)
+http_header = { "content-type": "application/json" }
+
+# Core Routing
+@route('/')
+def jsontest():
+ return template('demo')
+
+@route('/static/<filename:path>')
+def send_static(filename):
+ return static_file(filename, root='static')
+
+# API Helpers
+def build_response(endpoint, data):
+ api_endpoint = "http://localhost:19002/" + endpoint
+ response = requests.get(api_endpoint, params=data, headers=http_header)
+ try:
+ return response.json();
+ except ValueError:
+ return []
+
+# API Endpoints
+@route('/query')
+def run_asterix_query():
+ return (build_response("query", dict(request.query)))
+
+@route('/query/status')
+def run_asterix_query_status():
+ return (build_response("query/status", dict(request.query)))
+
+@route('/query/result')
+def run_asterix_query_result():
+ return (build_response("query/result", dict(request.query)))
+
+
+@route('/ddl')
+def run_asterix_ddl():
+ return (build_response("ddl", dict(request.query)))
+
+@route('/update')
+def run_asterix_update():
+ return (build_response("update", dict(request.query)))
+
+res = admaql101.bootstrap()
+run(host='localhost', port=8081, debug=True)
diff --git a/asterix-examples/src/main/resources/intro/static/css/bootstrap.min.css b/asterix-examples/src/main/resources/intro/static/css/bootstrap.min.css
new file mode 100644
index 0000000..a553c4f
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/static/css/bootstrap.min.css
@@ -0,0 +1,9 @@
+/*!
+ * Bootstrap v3.0.0
+ *
+ * Copyright 2013 Twitter, Inc
+ * Licensed under the Apache License v2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Designed and built with all the love in the world by @mdo and @fat.
+ *//*! normalize.css v2.1.0 | MIT License | git.io/normalize */article,aside,details,figcaption,figure,footer,header,hgroup,main,nav,section,summary{display:block}audio,canvas,video{display:inline-block}audio:not([controls]){display:none;height:0}[hidden]{display:none}html{font-family:sans-serif;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}body{margin:0}a:focus{outline:thin dotted}a:active,a:hover{outline:0}h1{margin:.67em 0;font-size:2em}abbr[title]{border-bottom:1px dotted}b,strong{font-weight:bold}dfn{font-style:italic}hr{height:0;-moz-box-sizing:content-box;box-sizing:content-box}mark{color:#000;background:#ff0}code,kbd,pre,samp{font-family:monospace,serif;font-size:1em}pre{white-space:pre-wrap}q{quotes:"\201C" "\201D" "\2018" "\2019"}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-0.5em}sub{bottom:-0.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:0}fieldset{padding:.35em .625em .75em;margin:0 2px;border:1px solid #c0c0c0}legend{padding:0;border:0}button,input,select,textarea{margin:0;font-family:inherit;font-size:100%}button,input{line-height:normal}button,select{text-transform:none}button,html input[type="button"],input[type="reset"],input[type="submit"]{cursor:pointer;-webkit-appearance:button}button[disabled],html input[disabled]{cursor:default}input[type="checkbox"],input[type="radio"]{padding:0;box-sizing:border-box}input[type="search"]{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;-webkit-appearance:textfield}input[type="search"]::-webkit-search-cancel-button,input[type="search"]::-webkit-search-decoration{-webkit-appearance:none}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}textarea{overflow:auto;vertical-align:top}table{border-collapse:collapse;border-spacing:0}@media 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\ No newline at end of file
diff --git a/asterix-examples/src/main/resources/intro/static/js/asterix-sdk-stable.js b/asterix-examples/src/main/resources/intro/static/js/asterix-sdk-stable.js
new file mode 100755
index 0000000..a6b3978
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/static/js/asterix-sdk-stable.js
@@ -0,0 +1,837 @@
+function AsterixDBConnection(configuration) {
+ this._properties = {};
+ this._properties["dataverse"] = "";
+ this._properties["mode"] = "synchronous";
+
+ // This is a demo setup related fix. Enabled by proxy to Asterix REST API.
+ this._properties["endpoint_root"] = "/";
+
+ var configuration = arguments || {};
+
+ for (var key in configuration) {
+ this._properties[key] = configuration[key];
+ }
+
+ return this;
+}
+
+
+AsterixDBConnection.prototype.dataverse = function(dataverseName) {
+ this._properties["dataverse"] = dataverseName;
+
+ return this;
+};
+
+
+AsterixDBConnection.prototype.query = function(statements, successFn, mode) {
+
+ if ( typeof statements === 'string') {
+ statements = [ statements ];
+ }
+
+ var m = typeof mode ? mode : "synchronous";
+
+ var query = "use dataverse " + this._properties["dataverse"] + ";\n" + statements.join("\n");
+
+ this._api(
+ {
+ "query" : query,
+ "mode" : m
+ },
+ successFn,
+ "query"
+ );
+
+ return this;
+};
+
+
+AsterixDBConnection.prototype.query_status = function(data, successFn) {
+
+ this._api(
+ data,
+ successFn,
+ "query/status"
+ );
+
+ return this;
+};
+
+
+AsterixDBConnection.prototype.query_result = function(data, successFn) {
+ this._api(
+ data,
+ successFn,
+ "query/result"
+ );
+
+ return this;
+};
+
+
+AsterixDBConnection.prototype.ddl = function(statements, successFn) {
+ if ( typeof statements === 'string') {
+ statements = [ statements ];
+ }
+
+ this._api(
+ {
+ "ddl" : "use dataverse " + this._properties["dataverse"] + ";\n" + statements.join("\n")
+ },
+ successFn,
+ "ddl"
+ );
+}
+
+
+AsterixDBConnection.prototype.update = function(statements, successFn) {
+ if ( typeof statements === 'string') {
+ statements = [ statements ];
+ }
+
+ this._api(
+ {
+ "statements" : "use dataverse " + this._properties["dataverse"] + ";\n" + statements.join("\n")
+ },
+ successFn,
+ "update"
+ );
+}
+
+
+AsterixDBConnection.prototype._api = function(json, onSuccess, endpoint) {
+ var success_fn = onSuccess;
+ var endpoint_url = this._properties["endpoint_root"] + endpoint;
+
+ $.ajax({
+ type: 'GET',
+ url: endpoint_url,
+ data : json,
+ dataType: "json",
+ success: function(data) {
+ success_fn(data);
+ },
+ error: function(xhr, status, error) {
+ }
+ });
+
+ return this;
+};
+
+
+// Asterix Expressions - Base
+function AExpression () {
+
+ this._properties = {};
+ this._success = function() {};
+
+ if (arguments.length == 1) {
+ this._properties["value"] = arguments[0];
+ }
+
+ return this;
+}
+
+
+AExpression.prototype.bind = function(options) {
+ var options = options || {};
+
+ if (options.hasOwnProperty("success")) {
+ this._success = options["success"];
+ }
+
+ if (options.hasOwnProperty("return")) {
+ this._properties["return"] = " return " + options["return"].val();
+ }
+};
+
+
+AExpression.prototype.run = function(successFn) {
+ return this;
+};
+
+
+AExpression.prototype.val = function() {
+
+ var value = "";
+
+ // If there is a dataverse defined, provide it.
+ if (this._properties.hasOwnProperty("dataverse")) {
+ value += "use dataverse " + this._properties["dataverse"] + ";\n";
+ };
+
+ if (this._properties.hasOwnProperty("value")) {
+ value += this._properties["value"].toString();
+ }
+
+ return value;
+};
+
+
+// @param expressionValue [String]
+AExpression.prototype.set = function(expressionValue) {
+ this._properties["value"] = expressionValue;
+ return this;
+};
+
+
+// AQL Statements
+// SingleStatement ::= DataverseDeclaration
+// | FunctionDeclaration
+// | CreateStatement
+// | DropStatement
+// | LoadStatement
+// | SetStatement
+// | InsertStatement
+// | DeleteStatement
+// | Query
+function InsertStatement(quantifiedName, query) {
+ AExpression.call(this);
+
+ var innerQuery = "";
+ if (query instanceof AExpression) {
+ innerQuery = query.val();
+ } else if (typeof query == "object" && Object.getPrototypeOf( query ) === Object.prototype ) {
+
+ var insertStatements = [];
+ for (querykey in query) {
+ if (query[querykey] instanceof AExpression) {
+ insertStatements.push('"' + querykey + '" : ' + query[querykey].val());
+ } else if (typeof query[querykey] == "string") {
+ insertStatements.push('"' + querykey + '" : ' + query[querykey]);
+ } else {
+ insertStatements.push('"' + querykey + '" : ' + query[querykey].toString());
+ }
+ }
+
+ innerQuery = "{" + insertStatements.join(', ') + "}";
+ }
+
+ var statement = "insert into dataset " + quantifiedName + "(" + innerQuery + ");";
+
+ AExpression.prototype.set.call(this, statement);
+
+ return this;
+}
+
+InsertStatement.prototype = Object.create(AExpression.prototype);
+InsertStatement.prototype.constructor = InsertStatement;
+
+
+// Delete Statement
+// DeleteStatement ::= "delete" Variable "from" "dataset" QualifiedName ( "where" Expression )?
+function DeleteStatement (variable, quantifiedName, whereExpression) {
+ AExpression.call(this);
+
+ var statement = "delete " + variable + " from dataset " + quantifiedName;
+
+ if (whereExpression instanceof AExpression) {
+ statement += " where " + whereExpression.val();
+ }
+
+ AExpression.prototype.set.call(this, statement);
+
+ return this;
+}
+
+DeleteStatement.prototype = Object.create(AExpression.prototype);
+DeleteStatement.prototype.constructor = DeleteStatement;
+
+// SetStatement
+//
+// Grammar
+// "set" Identifier StringLiteral
+function SetStatement (identifier, stringLiteral) {
+ AExpression.call(this);
+
+ var statement = "set " + identifier + ' "' + stringLiteral + '";';
+
+ AExpression.prototype.set.call(this, statement);
+
+ return this;
+}
+
+SetStatement.prototype = Object.create(AExpression.prototype);
+SetStatement.prototype.constructor = SetStatement;
+
+
+// Other Expressions
+
+// FunctionExpression
+// Parent: AsterixExpression
+//
+// @param options [Various],
+// @key function [String], a function to be applid to the expression
+// @key expression [AsterixExpression or AQLClause] an AsterixExpression/Clause to which the fn will be applied
+function FunctionExpression() {
+
+ // Initialize superclass
+ AExpression.call(this);
+
+ this._properties["function"] = "";
+ this._properties["expressions"] = [];
+
+ // Check for fn/expression input
+ if (arguments.length >= 2 && typeof arguments[0] == "string") {
+
+ this._properties["function"] = arguments[0];
+
+ for (i = 1; i < arguments.length; i++) {
+ if (arguments[i] instanceof AExpression || arguments[i] instanceof AQLClause) {
+ this._properties["expressions"].push(arguments[i]);
+ } else {
+ this._properties["expressions"].push(new AExpression(arguments[i]));
+ }
+ }
+ }
+
+ // Return FunctionCallExpression object
+ return this;
+}
+
+
+FunctionExpression.prototype = Object.create(AExpression.prototype);
+FunctionExpression.prototype.constructor = FunctionExpression;
+
+
+FunctionExpression.prototype.val = function () {
+ var fn_args = [];
+ for (var i = 0; i < this._properties["expressions"].length; i++) {
+ fn_args.push(this._properties["expressions"][i].val());
+ }
+
+ return this._properties["function"] + "(" + fn_args.join(", ") + ")";
+};
+
+
+// FLWOGRExpression
+//
+// FLWOGRExpression ::= ( ForClause | LetClause ) ( Clause )* "return" Expression
+function FLWOGRExpression (options) {
+ // Initialize superclass
+ AExpression.call(this);
+
+ this._properties["clauses"] = [];
+ this._properties["minSize"] = 0;
+
+ // Bind options and return
+ this.bind(options);
+ return this;
+}
+
+
+FLWOGRExpression.prototype = Object.create(AExpression.prototype);
+FLWOGRExpression.prototype.constructor = FLWOGRExpression;
+
+
+FLWOGRExpression.prototype.bind = function(options) {
+ AExpression.prototype.bind.call(this, options);
+
+ var options = options || {};
+
+ if (options instanceof SetStatement) {
+ this._properties["clauses"].push(options);
+ this._properties["minSize"] += 1;
+ }
+
+ if (this._properties["clauses"].length <= this._properties["minSize"]) {
+ // Needs to start with for or let clause
+ if (options instanceof ForClause || options instanceof LetClause) {
+ this._properties["clauses"].push(options);
+ }
+ } else {
+ if (options instanceof AQLClause) {
+ this._properties["clauses"].push(options);
+ }
+ }
+
+ return this;
+};
+
+
+FLWOGRExpression.prototype.val = function() {
+ var value = AExpression.prototype.val.call(this);
+
+ var clauseValues = [];
+ for (var c in this._properties["clauses"]) {
+ clauseValues.push(this._properties["clauses"][c].val());
+ }
+
+ return value + clauseValues.join("\n");// + ";";
+};
+
+// Pretty Expression Shorthand
+
+FLWOGRExpression.prototype.ReturnClause = function(expression) {
+ return this.bind(new ReturnClause(expression));
+};
+
+FLWOGRExpression.prototype.ForClause = function() {
+ return this.bind(new ForClause(Array.prototype.slice.call(arguments)));
+};
+
+FLWOGRExpression.prototype.LetClause = function() {
+ return this.bind(new LetClause(Array.prototype.slice.call(arguments)));
+};
+
+FLWOGRExpression.prototype.WhereClause = function() {
+ return this.bind(new WhereClause(Array.prototype.slice.call(arguments)));
+};
+
+FLWOGRExpression.prototype.and = function() {
+ var args = Array.prototype.slice.call(arguments);
+ args.push(true);
+ return this.bind(new WhereClause().and(args));
+};
+
+FLWOGRExpression.prototype.or = function() {
+ var args = Array.prototype.slice.call(arguments);
+ args.push(true);
+ return this.bind(new WhereClause().or(args));
+};
+
+FLWOGRExpression.prototype.OrderbyClause = function() {
+ return this.bind(new OrderbyClause(Array.prototype.slice.call(arguments)));
+};
+
+
+FLWOGRExpression.prototype.GroupClause = function() {
+ return this.bind(new GroupClause(Array.prototype.slice.call(arguments)));
+};
+
+FLWOGRExpression.prototype.LimitClause = function() {
+ return this.bind(new LimitClause(Array.prototype.slice.call(arguments)));
+};
+
+FLWOGRExpression.prototype.DistinctClause = function() {
+ return this.bind(new DistinctClause(Array.prototype.slice.call(arguments)));
+};
+
+FLWOGRExpression.prototype.AQLClause = function() {
+ return this.bind(new AQLClause(Array.prototype.slice.call(arguments)));
+};
+
+
+// AQLClause
+//
+// Base Clause ::= ForClause | LetClause | WhereClause | OrderbyClause | GroupClause | LimitClause | DistinctClause
+function AQLClause() {
+ this._properties = {};
+ this._properties["clause"] = "";
+ this._properties["stack"] = [];
+ if (typeof arguments[0] == 'string') {
+ this._properties["clause"] = arguments[0];
+ }
+ return this;
+}
+
+AQLClause.prototype.val = function() {
+ var value = this._properties["clause"];
+
+ return value;
+};
+
+AQLClause.prototype.bind = function(options) {
+
+ if (options instanceof AQLClause) {
+ this._properties["clause"] += " " + options.val();
+ }
+
+ return this;
+};
+
+AQLClause.prototype.set = function(value) {
+ this._properties["clause"] = value;
+ return this;
+};
+
+
+// ForClause
+//
+// Grammar:
+// "for" Variable ( "at" Variable )? "in" ( Expression )
+//
+// @param for_variable [String], REQUIRED, first variable in clause
+// @param at_variable [String], NOT REQUIRED, first variable in clause
+// @param expression [AsterixExpression], REQUIRED, expression to evaluate
+function ForClause(for_variable, at_variable, expression) {
+ AQLClause.call(this);
+
+ var parameters = [];
+ if (arguments[0] instanceof Array) {
+ parameters = arguments[0];
+ } else {
+ parameters = arguments;
+ }
+
+ this._properties["clause"] = "for " + parameters[0];
+
+ if (parameters.length == 3) {
+ this._properties["clause"] += " at " + parameters[1];
+ this._properties["clause"] += " in " + parameters[2].val();
+ } else if (parameters.length == 2) {
+ this._properties["clause"] += " in " + parameters[1].val();
+ }
+
+ return this;
+}
+
+ForClause.prototype = Object.create(AQLClause.prototype);
+ForClause.prototype.constructor = ForClause;
+
+
+// LetClause
+//
+// Grammar:
+// LetClause ::= "let" Variable ":=" Expression
+//
+// @param let_variable [String]
+// @param expression [AExpression]
+//
+// TODO Vigorous error checking
+function LetClause(let_variable, expression) {
+ AQLClause.call(this);
+
+ var parameters = [];
+ if (arguments[0] instanceof Array) {
+ parameters = arguments[0];
+ } else {
+ parameters = arguments;
+ }
+
+ this._properties["clause"] = "let " + parameters[0] + " := ";
+ this._properties["clause"] += parameters[1].val();
+
+ return this;
+}
+
+LetClause.prototype = Object.create(AQLClause.prototype);
+LetClause.prototype.constructor = LetClause;
+
+
+// ReturnClause
+//
+// Grammar:
+// return [AQLExpression]
+function ReturnClause(expression) {
+ AQLClause.call(this);
+
+ this._properties["clause"] = "return ";
+
+ if (expression instanceof AExpression || expression instanceof AQLClause) {
+ this._properties["clause"] += expression.val();
+
+ } else if ( typeof expression == "object" && Object.getPrototypeOf( expression ) === Object.prototype ) {
+
+ this._properties["clause"] += "\n{\n";
+ var returnStatements = [];
+ for (returnValue in expression) {
+
+ if (expression[returnValue] instanceof AExpression) {
+ returnStatements.push('"' + returnValue + '" ' + " : " + expression[returnValue].val());
+ } else if (typeof expression[returnValue] == "string") {
+ returnStatements.push('"' + returnValue + '" ' + " : " + expression[returnValue]);
+ }
+ }
+ this._properties["clause"] += returnStatements.join(",\n");
+ this._properties["clause"] += "\n}";
+
+ } else {
+ this._properties["clause"] += new AQLClause().set(expression).val();
+ }
+
+ return this;
+}
+
+
+ReturnClause.prototype = Object.create(AQLClause.prototype);
+ReturnClause.prototype.constructor = ReturnClause;
+
+
+// WhereClause
+//
+// Grammar:
+// ::= "where" Expression
+//
+// @param expression [BooleanExpression], pushes this expression onto the stack
+function WhereClause(expression) {
+ AQLClause.call(this);
+
+ this._properties["stack"] = [];
+
+ if (expression instanceof Array) {
+ this.bind(expression[0]);
+ } else {
+ this.bind(expression);
+ }
+
+ return this;
+}
+
+
+WhereClause.prototype = Object.create(AQLClause.prototype);
+WhereClause.prototype.constructor = WhereClause;
+
+
+WhereClause.prototype.bind = function(expression) {
+ if (expression instanceof AExpression) {
+ this._properties["stack"].push(expression);
+ }
+ return this;
+};
+
+
+WhereClause.prototype.val = function() {
+ var value = "";
+
+ if (this._properties["stack"].length == 0) {
+ return value;
+ }
+
+ var count = this._properties["stack"].length - 1;
+ while (count >= 0) {
+ value += this._properties["stack"][count].val() + " ";
+ count -= 1;
+ }
+
+ return "where " + value;
+};
+
+
+WhereClause.prototype.and = function() {
+
+ var parameters = [];
+ if (arguments[0] instanceof Array) {
+ parameters = arguments[0];
+ } else {
+ parameters = arguments;
+ }
+
+ var andClauses = [];
+ for (var expression in parameters) {
+
+ if (parameters[expression] instanceof AExpression) {
+ andClauses.push(parameters[expression].val());
+ }
+ }
+
+ if (andClauses.length > 0) {
+ this._properties["stack"].push(new AExpression().set(andClauses.join(" and ")));
+ }
+
+ return this;
+};
+
+
+WhereClause.prototype.or = function() {
+
+ var parameters = [];
+ if (arguments[0] instanceof Array) {
+ parameters = arguments[0];
+ } else {
+ parameters = arguments;
+ }
+
+ var orClauses = [];
+ for (var expression in parameters) {
+
+ if (parameters[expression] instanceof AExpression) {
+ orClauses.push(parameters[expression].val());
+ }
+ }
+
+ if (andClauses.length > 0) {
+ this._properties["stack"].push(new AExpression().set(orClauses.join(" and ")));
+ }
+
+ return this;
+};
+
+// LimitClause
+// Grammar:
+// LimitClause ::= "limit" Expression ( "offset" Expression )?
+//
+// @param limitExpression [REQUIRED, AQLExpression]
+// @param offsetExpression [OPTIONAL, AQLExpression]
+function LimitClause(limitExpression, offsetExpression) {
+
+ AQLClause.call(this);
+
+ var parameters = [];
+ if (arguments[0] instanceof Array) {
+ parameters = arguments[0];
+ } else {
+ parameters = arguments;
+ }
+
+ // limitExpression required
+ this._properties["clause"] = "limit " + parameters[0].val();
+
+ // Optional: Offset
+ if (parameters.length == 2) {
+ this._properties["clause"] += " offset " + parameters[1].val();
+ }
+
+ return this;
+}
+
+LimitClause.prototype = Object.create(AQLClause.prototype);
+LimitClause.prototype.constructor = LimitClause;
+
+
+// OrderbyClause
+//
+// Grammar:
+// OrderbyClause ::= "order" "by" Expression ( ( "asc" ) | ( "desc" ) )? ( "," Expression ( ( "asc" ) | ( "desc" ) )? )*
+//
+// @params AQLExpressions and asc/desc strings, in any quantity. At least one required.
+function OrderbyClause() {
+
+ AQLClause.call(this);
+
+ // At least one argument expression is required, and first should be expression
+ if (arguments.length == 0) {
+ this._properties["clause"] = null;
+ return this;
+ }
+
+ var parameters = [];
+ if (arguments[0] instanceof Array) {
+ parameters = arguments[0];
+ } else {
+ parameters = arguments;
+ }
+
+ var expc = 0;
+ var expressions = [];
+
+ while (expc < parameters.length) {
+
+ var expression = "";
+
+ if (parameters[expc] instanceof AExpression) {
+ expression += parameters[expc].val();
+ }
+
+ var next = expc + 1;
+ if (next < parameters.length && (parameters[next] == "asc" || parameters[next] == "desc")) {
+ expc++;
+ expression += " " + parameters[expc];
+ }
+
+ expressions.push(expression);
+
+ expc++;
+ }
+
+ this._properties["clause"] = "order by " + expressions.join(", ");
+ return this;
+}
+
+OrderbyClause.prototype = Object.create(AQLClause.prototype);
+OrderbyClause.prototype.constructor = OrderbyClause;
+
+
+// GroupClause
+//
+// Grammar:
+// GroupClause ::= "group" "by" ( Variable ":=" )? Expression ( "," ( Variable ":=" )? Expression )* ( "decor" Variable ":=" Expression ( "," "decor" Variable ":=" Expression )* )? "with" VariableRef ( "," VariableRef )*
+function GroupClause() {
+ AQLClause.call(this);
+
+ if (arguments.length == 0) {
+ this._properties["clause"] = null;
+ return this;
+ }
+
+ var parameters = [];
+ if (arguments[0] instanceof Array) {
+ parameters = arguments[0];
+ } else {
+ parameters = arguments;
+ }
+
+ var expc = 0;
+ var expressions = [];
+ var variableRefs = [];
+ var isDecor = false;
+
+ while (expc < parameters.length) {
+
+ if (parameters[expc] instanceof AExpression) {
+
+ isDecor = false;
+ expressions.push(parameters[expc].val());
+
+ } else if (typeof parameters[expc] == "string") {
+
+ // Special keywords, decor & with
+ if (parameters[expc] == "decor") {
+ isDecor = true;
+ } else if (parameters[expc] == "with") {
+ isDecor = false;
+ expc++;
+ while (expc < parameters.length) {
+ variableRefs.push(parameters[expc]);
+ expc++;
+ }
+
+ // Variables and variable refs
+ } else {
+
+ var nextc = expc + 1;
+ var expression = "";
+
+ if (isDecor) {
+ expression += "decor ";
+ isDecor = false;
+ }
+
+ expression += parameters[expc] + " := " + parameters[nextc].val();
+ expressions.push(expression);
+ expc++;
+ }
+ }
+
+ expc++;
+ }
+
+ this._properties["clause"] = "group by " + expressions.join(", ") + " with " + variableRefs.join(", ");
+ return this;
+}
+
+GroupClause.prototype = Object.create(AQLClause.prototype);
+GroupClause.prototype.constructor = GroupClause;
+
+
+// Quantified Expression
+//
+// Grammar
+// QuantifiedExpression ::= ( ( "some" ) | ( "every" ) ) Variable "in" Expression ( "," Variable "in" Expression )* "satisfies" Expression
+//
+// @param String some/every
+// @param [AExpression]
+// @param [Aexpression] satisfiesExpression
+function QuantifiedExpression (keyword, expressions, satisfiesExpression) {
+ AExpression.call(this);
+
+ var expression = keyword + " ";
+ var varsInExpressions = [];
+
+ for (var varInExpression in expressions) {
+ varsInExpressions.push(varInExpression + " in " + expressions[varInExpression].val());
+ }
+ expression += varsInExpressions.join(", ") + " satisfies " + satisfiesExpression.val();
+
+ AExpression.prototype.set.call(this, expression);
+
+ return this;
+}
+
+QuantifiedExpression.prototype = Object.create(AExpression.prototype);
+QuantifiedExpression.prototype.constructor = QuantifiedExpression;
+
+QuantifiedExpression.prototype.val = function() {
+ var value = AExpression.prototype.val.call(this);
+ return "(" + value + ")";
+};
diff --git a/asterix-examples/src/main/resources/intro/static/js/bootstrap.min.js b/asterix-examples/src/main/resources/intro/static/js/bootstrap.min.js
new file mode 100644
index 0000000..1765631
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/static/js/bootstrap.min.js
@@ -0,0 +1,6 @@
+/**
+* bootstrap.js v3.0.0 by @fat and @mdo
+* Copyright 2013 Twitter Inc.
+* http://www.apache.org/licenses/LICENSE-2.0
+*/
+if(!jQuery)throw new Error("Bootstrap requires jQuery");+function(a){"use strict";function b(){var a=document.createElement("bootstrap"),b={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"oTransitionEnd otransitionend",transition:"transitionend"};for(var c in b)if(void 0!==a.style[c])return{end:b[c]}}a.fn.emulateTransitionEnd=function(b){var c=!1,d=this;a(this).one(a.support.transition.end,function(){c=!0});var e=function(){c||a(d).trigger(a.support.transition.end)};return setTimeout(e,b),this},a(function(){a.support.transition=b()})}(window.jQuery),+function(a){"use strict";var b='[data-dismiss="alert"]',c=function(c){a(c).on("click",b,this.close)};c.prototype.close=function(b){function c(){f.trigger("closed.bs.alert").remove()}var d=a(this),e=d.attr("data-target");e||(e=d.attr("href"),e=e&&e.replace(/.*(?=#[^\s]*$)/,""));var 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diff --git a/asterix-examples/src/main/resources/intro/static/js/demo.js b/asterix-examples/src/main/resources/intro/static/js/demo.js
new file mode 100644
index 0000000..e30297e
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/static/js/demo.js
@@ -0,0 +1,349 @@
+$(document).ready(function() {
+
+ var A = new AsterixDBConnection().dataverse("TinySocial");
+
+ function addResult(dom, res) {
+ for (i in res) {
+ $(dom).append(res[i] + "<br/>");
+ }
+ }
+
+ // 0A - Exact-Match Lookup
+ $('#run0a').click(function () {
+ $('#result0a').html('');
+
+ var expression0a = new FLWOGRExpression()
+ .ForClause("$user", new AExpression("dataset FacebookUsers"))
+ .WhereClause(new AExpression("$user.id = 8"))
+ .ReturnClause("$user");
+
+ var success0a = function(res) {
+ addResult('#result0a', res["results"]);
+ };
+
+ A.query(expression0a.val(), success0a);
+ });
+
+ // 0B - Range Scan
+ $("#run0b").click(function() {
+ $('#result0b').html('');
+
+ var expression0b = new FLWOGRExpression()
+ .ForClause("$user", new AExpression("dataset FacebookUsers"))
+ .WhereClause().and(new AExpression("$user.id >= 2"), new AExpression("$user.id <= 4"))
+ .ReturnClause("$user");
+
+ var success0b = function(res) {
+ addResult('#result0b', res["results"]);
+ };
+
+ A.query(expression0b.val(), success0b);
+ });
+
+ // 1 - Other Query Filters
+ $("#run1").click(function() {
+ $('#result1').html('');
+
+ var expression1 = new FLWOGRExpression()
+ .ForClause("$user", new AExpression("dataset FacebookUsers"))
+ .WhereClause().and(
+ new AExpression("$user.user-since >= datetime('2010-07-22T00:00:00')"),
+ new AExpression("$user.user-since <= datetime('2012-07-29T23:59:59')")
+ )
+ .ReturnClause("$user");
+
+ var success1 = function(res) {
+ addResult('#result1', res["results"]);
+ };
+ A.query(expression1.val(), success1);
+ });
+
+ // 2A - Equijoin
+ $("#run2a").click(function() {
+ $('#result2a').html('');
+
+ var expression2a = new FLWOGRExpression()
+ .ForClause ("$user", new AExpression("dataset FacebookUsers"))
+ .ForClause ("$message", new AExpression("dataset FacebookMessages"))
+ .WhereClause(new AExpression("$message.author-id = $user.id"))
+ .ReturnClause({
+ "uname" : "$user.name",
+ "message" : "$message.message"
+ });
+
+ var success2a = function(res) {
+ addResult('#result2a', res["results"]);
+ };
+ A.query(expression2a.val(), success2a);
+ });
+
+ // 2B - Index Join
+ $("#run2b").click(function() {
+ $('#result2b').html('');
+
+ var expression2b = new FLWOGRExpression()
+ .ForClause ("$user", new AExpression("dataset FacebookUsers"))
+ .ForClause ("$message", new AExpression("dataset FacebookMessages"))
+ .WhereClause(new AExpression("$message.author-id /*+ indexnl */ = $user.id"))
+ .ReturnClause({
+ "uname" : "$user.name",
+ "message" : "$message.message"
+ });
+
+ var success2b = function(res) {
+ addResult('#result2b', res["results"]);
+ };
+ A.query(expression2b.val(), success2b);
+ });
+
+ // 3 - Nested Outer Join
+ $("#run3").click(function() {
+ $('#result3').html('');
+
+ var expression3messages = new FLWOGRExpression()
+ .ForClause("$message", new AExpression("dataset FacebookMessages"))
+ .WhereClause(new AExpression("$message.author-id = $user.id"))
+ .ReturnClause("$message.message");
+
+ var expression3 = new FLWOGRExpression()
+ .ForClause ("$user", new AExpression("dataset FacebookUsers"))
+ .ReturnClause({
+ "uname": "$user.name",
+ "messages" : expression3messages
+ });
+
+ var success3 = function(res) {
+ addResult('#result3', res["results"]);
+ };
+ A.query(expression3.val(), success3);
+ });
+
+ // 4 - Theta Join
+ $("#run4").click(function() {
+ $('#result4').html('');
+
+ var expression4messages = new FLWOGRExpression()
+ .ForClause( "$t2", new AExpression("dataset TweetMessages"))
+ .WhereClause( new AExpression("spatial-distance($t.sender-location, $t2.sender-location) <= 1"))
+ .ReturnClause({ "msgtxt" : "$t2.message-text" });
+
+ var expression4 = new FLWOGRExpression()
+ .ForClause( "$t", new AExpression("dataset TweetMessages"))
+ .ReturnClause({
+ "message" : "$t.message-text",
+ "nearby-messages" : expression4messages
+ });
+
+ var success4 = function(res) {
+ addResult('#result4', res["results"]);
+ };
+ A.query(expression4.val(), success4);
+ });
+
+ // 5 - Fuzzy Join
+ $("#run5").click(function() {
+ $('#result5').html('');
+
+ var similarUsersExpression = new FLWOGRExpression()
+ .ForClause("$t", new AExpression("dataset TweetMessages"))
+ .LetClause ("$tu", new AExpression("$t.user"))
+ .WhereClause(new AExpression("$tu.name ~= $fbu.name"))
+ .ReturnClause({
+ "twitter-screenname": "$tu.screen-name",
+ "twitter-name": "$tu.name"
+ });
+
+ var expression5 = new FLWOGRExpression()
+ .ForClause ("$fbu", new AExpression("dataset FacebookUsers"))
+ .ReturnClause(
+ {
+ "id" : "$fbu.id",
+ "name" : "$fbu.name",
+ "similar-users" : similarUsersExpression
+ }
+ );
+
+ var success5 = function (res) {
+ addResult('#result5', res["results"]);
+ };
+
+ var simfunction = new SetStatement( "simfunction", "edit-distance" );
+ var simthreshold = new SetStatement( "simthreshold", "3");
+
+ A.query(
+ [ simfunction.val() , simthreshold.val() , expression5.val() ],
+ success5
+ );
+ });
+
+ // 6 - Existential Quantification
+ $("#run6").click(function() {
+ $('#result6').html('');
+
+ var expression6 = new FLWOGRExpression()
+ .ForClause ("$fbu", new AQLClause().set("dataset FacebookUsers"))
+ .WhereClause(
+ new QuantifiedExpression (
+ "some" ,
+ {"$e" : new AExpression("$fbu.employment") },
+ new FunctionExpression("is-null", new AExpression("$e.end-date"))
+ )
+ )
+ .ReturnClause("$fbu");
+
+ var success6 = function(res) {
+ addResult('#result6',res["results"]);
+ };
+
+ A.query(expression6.val(), success6);
+ });
+
+ // 7 - Universal Quantification
+ $("#run7").click(function() {
+ $('#result7').html('');
+
+ var expression7 = new FLWOGRExpression()
+ .ForClause("$fbu", new AExpression("dataset FacebookUsers"))
+ .WhereClause(
+ new QuantifiedExpression (
+ "every" ,
+ {"$e" : new AExpression("$fbu.employment") },
+ new FunctionExpression("not", new FunctionExpression("is-null", new AExpression("$e.end-date")))
+ )
+ )
+ .ReturnClause("$fbu");
+
+ var success7 = function(res) {
+ addResult('#result7', res["results"]);
+ };
+ A.query(expression7.val(), success7);
+ });
+
+ // 8 - Simple Aggregation
+ $('#run8').click(function () {
+
+ $('#result8').html('');
+
+ var expression8 = new FunctionExpression(
+ "count",
+ new FLWOGRExpression()
+ .ForClause("$fbu", new AExpression("dataset FacebookUsers"))
+ .ReturnClause("$fbu")
+ );
+
+ var success8 = function(res) {
+ addResult('#result8', res["results"]);
+ };
+ A.query(expression8.val(), success8);
+ });
+
+ // 9a - Grouping & Aggregation
+ $("#run9a").click(function() {
+ $('#result9a').html('');
+
+ var expression9a = new FLWOGRExpression()
+ .ForClause("$t", new AExpression("dataset TweetMessages"))
+ .GroupClause("$uid", new AExpression("$t.user.screen-name"), "with", "$t")
+ .ReturnClause(
+ {
+ "user" : "$uid",
+ "count" : new FunctionExpression("count", new AExpression("$t"))
+ }
+ );
+
+ var success9a = function(res) {
+ addResult('#result9a', res["results"]);
+ };
+ A.query(expression9a.val(), success9a);
+ });
+
+ // 9b - Hash-based Grouping & Aggregation
+ $("#run9b").click(function() {
+ $('#result9b').html('');
+
+ var expression9b = new FLWOGRExpression()
+ .ForClause("$t", new AExpression("dataset TweetMessages"))
+ .AQLClause("/*+ hash*/")
+ .GroupClause("$uid", new AExpression("$t.user.screen-name"), "with", "$t")
+ .ReturnClause(
+ {
+ "user" : "$uid",
+ "count" : new FunctionExpression("count", new AExpression("$t"))
+ }
+ );
+
+ var success9b = function(res) {
+ addResult('#result9b', res["results"]);
+ };
+ A.query(expression9b.val(), success9b);
+ });
+
+ // 10 - Grouping and Limits
+ $("#run10").click(function() {
+ $('#result10').html('');
+
+ var expression10 = new FLWOGRExpression()
+ .ForClause("$t", new AExpression("dataset TweetMessages"))
+ .GroupClause("$uid", new AExpression("$t.user.screen-name"), "with", "$t")
+ .LetClause("$c", new FunctionExpression("count", new AExpression("$t")))
+ .OrderbyClause( new AExpression("$c"), "desc" )
+ .LimitClause(new AExpression("3"))
+ .ReturnClause(
+ {
+ "user" : "$uid",
+ "count" : "$c"
+ }
+ );
+
+ var success10 = function(res) {
+ addResult('#result10', res["results"]);
+ };
+ A.query(expression10.val(), success10);
+ });
+
+ // 11 - Left Outer Fuzzy Join
+ $("#run11").click(function() {
+ $('#result11').html('');
+
+ var expression11 = new FLWOGRExpression()
+ .ForClause( "$t", new AExpression("dataset TweetMessages"))
+ .ReturnClause({
+ "tweet" : new AExpression("$t"),
+ "similar-tweets": new FLWOGRExpression()
+ .ForClause( "$t2", new AExpression("dataset TweetMessages"))
+ .WhereClause().and(
+ new AExpression("$t2.referred-topics ~= $t.referred-topics"),
+ new AExpression("$t2.tweetid != $t.tweetid")
+ )
+ .ReturnClause("$t2.referred-topics")
+ });
+
+ var success11 = function(res) {
+ addResult('#result11', res["results"]);
+ };
+
+ var simfunction = new SetStatement( "simfunction", "jaccard" );
+ var simthreshold = new SetStatement( "simthreshold", "0.3");
+ A.query(
+ [ simfunction.val(), simthreshold.val(), expression11.val()],
+ success11
+ );
+
+ });
+
+ /*$('#run0a').trigger('click');
+ $('#run0b').trigger('click');
+ $('#run1').trigger('click');
+ $('#run2a').trigger('click');
+ $('#run2b').trigger('click');
+ $('#run3').trigger('click');
+ $('#run4').trigger('click');
+ $('#run5').trigger('click');
+ $('#run6').trigger('click');
+ $('#run7').trigger('click');
+ $('#run8').trigger('click');
+ $('#run9a').trigger('click');
+ $('#run9b').trigger('click');
+ $('#run10').trigger('click');
+ $('#run11').trigger('click');*/
+});
diff --git a/asterix-examples/src/main/resources/intro/static/js/jquery.min.js b/asterix-examples/src/main/resources/intro/static/js/jquery.min.js
new file mode 100644
index 0000000..9a85bd3
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/static/js/jquery.min.js
@@ -0,0 +1,6 @@
+/*! jQuery v2.0.3 | (c) 2005, 2013 jQuery Foundation, Inc. | jquery.org/license
+//@ sourceMappingURL=jquery.min.map
+*/
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diff --git a/asterix-examples/src/main/resources/intro/tinysocial/fbm.adm b/asterix-examples/src/main/resources/intro/tinysocial/fbm.adm
new file mode 100644
index 0000000..58d7f08
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/tinysocial/fbm.adm
@@ -0,0 +1,15 @@
+{"message-id":1,"author-id":3,"in-response-to":2,"sender-location":point("47.16,77.75"),"message":" love sprint its shortcut-menu is awesome:)"}
+{"message-id":2,"author-id":1,"in-response-to":4,"sender-location":point("41.66,80.87"),"message":" dislike iphone its touch-screen is horrible"}
+{"message-id":3,"author-id":2,"in-response-to":4,"sender-location":point("48.09,81.01"),"message":" like samsung the plan is amazing"}
+{"message-id":4,"author-id":1,"in-response-to":2,"sender-location":point("37.73,97.04"),"message":" can't stand at&t the network is horrible:("}
+{"message-id":5,"author-id":6,"in-response-to":2,"sender-location":point("34.7,90.76"),"message":" love sprint the customization is mind-blowing"}
+{"message-id":6,"author-id":2,"in-response-to":1,"sender-location":point("31.5,75.56"),"message":" like t-mobile its platform is mind-blowing"}
+{"message-id":7,"author-id":5,"in-response-to":15,"sender-location":point("32.91,85.05"),"message":" dislike sprint the speed is horrible"}
+{"message-id":8,"author-id":1,"in-response-to":11,"sender-location":point("40.33,80.87"),"message":" like verizon the 3G is awesome:)"}
+{"message-id":9,"author-id":3,"in-response-to":12,"sender-location":point("34.45,96.48"),"message":" love verizon its wireless is good"}
+{"message-id":10,"author-id":1,"in-response-to":12,"sender-location":point("42.5,70.01"),"message":" can't stand motorola the touch-screen is terrible"}
+{"message-id":11,"author-id":1,"in-response-to":1,"sender-location":point("38.97,77.49"),"message":" can't stand at&t its plan is terrible"}
+{"message-id":12,"author-id":10,"in-response-to":6,"sender-location":point("42.26,77.76"),"message":" can't stand t-mobile its voicemail-service is OMG:("}
+{"message-id":13,"author-id":10,"in-response-to":4,"sender-location":point("42.77,78.92"),"message":" dislike iphone the voice-command is bad:("}
+{"message-id":14,"author-id":9,"in-response-to":12,"sender-location":point("41.33,85.28"),"message":" love at&t its 3G is good:)"}
+{"message-id":15,"author-id":7,"in-response-to":11,"sender-location":point("44.47,67.11"),"message":" like iphone the voicemail-service is awesome"}
diff --git a/asterix-examples/src/main/resources/intro/tinysocial/fbu.adm b/asterix-examples/src/main/resources/intro/tinysocial/fbu.adm
new file mode 100644
index 0000000..7e99ea4
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/tinysocial/fbu.adm
@@ -0,0 +1,10 @@
+{"id":1,"alias":"Margarita","name":"MargaritaStoddard","user-since":datetime("2012-08-20T10:10:00"),"friend-ids":{{2,3,6,10}},"employment":[{"organization-name":"Codetechno","start-date":date("2006-08-06")}]}
+{"id":2,"alias":"Isbel","name":"IsbelDull","user-since":datetime("2011-01-22T10:10:00"),"friend-ids":{{1,4}},"employment":[{"organization-name":"Hexviafind","start-date":date("2010-04-27")}]}
+{"id":3,"alias":"Emory","name":"EmoryUnk","user-since":datetime("2012-07-10T10:10:00"),"friend-ids":{{1,5,8,9}},"employment":[{"organization-name":"geomedia","start-date":date("2010-06-17"),"end-date":date("2010-01-26")}]}
+{"id":4,"alias":"Nicholas","name":"NicholasStroh","user-since":datetime("2010-12-27T10:10:00"),"friend-ids":{{2}},"employment":[{"organization-name":"Zamcorporation","start-date":date("2010-06-08")}]}
+{"id":5,"alias":"Von","name":"VonKemble","user-since":datetime("2010-01-05T10:10:00"),"friend-ids":{{3,6,10}},"employment":[{"organization-name":"Kongreen","start-date":date("2010-11-27")}]}
+{"id":6,"alias":"Willis","name":"WillisWynne","user-since":datetime("2005-01-17T10:10:00"),"friend-ids":{{1,3,7}},"employment":[{"organization-name":"jaydax","start-date":date("2009-05-15")}]}
+{"id":7,"alias":"Suzanna","name":"SuzannaTillson","user-since":datetime("2012-08-07T10:10:00"),"friend-ids":{{6}},"employment":[{"organization-name":"Labzatron","start-date":date("2011-04-19")}]}
+{"id":8,"alias":"Nila","name":"NilaMilliron","user-since":datetime("2008-01-01T10:10:00"),"friend-ids":{{3}},"employment":[{"organization-name":"Plexlane","start-date":date("2010-02-28")}]}
+{"id":9,"alias":"Woodrow","name":"WoodrowNehling","user-since":datetime("2005-09-20T10:10:00"),"friend-ids":{{3,10}},"employment":[{"organization-name":"Zuncan","start-date":date("2003-04-22"),"end-date":date("2009-12-13")}]}
+{"id":10,"alias":"Bram","name":"BramHatch","user-since":datetime("2010-10-16T10:10:00"),"friend-ids":{{1,5,9}},"employment":[{"organization-name":"physcane","start-date":date("2007-06-05"),"end-date":date("2011-11-05")}]}
diff --git a/asterix-examples/src/main/resources/intro/tinysocial/query.txt b/asterix-examples/src/main/resources/intro/tinysocial/query.txt
new file mode 100644
index 0000000..2a50477
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/tinysocial/query.txt
@@ -0,0 +1,68 @@
+drop dataverse TinySocial if exists;
+create dataverse TinySocial;
+use dataverse TinySocial;
+
+create type TwitterUserType as open {
+ screen-name: string,
+ lang: string,
+ friends_count: int32,
+ statuses_count: int32,
+ name: string,
+ followers_count: int32
+}
+
+create type TweetMessageType as closed {
+ tweetid: string,
+ user: TwitterUserType,
+ sender-location: point?,
+ send-time: datetime,
+ referred-topics: {{ string }},
+ message-text: string
+}
+
+create type EmploymentType as open {
+ organization-name: string,
+ start-date: date,
+ end-date: date?
+}
+
+create type FacebookUserType as closed {
+ id: int32,
+ alias: string,
+ name: string,
+ user-since: datetime,
+ friend-ids: {{ int32 }},
+ employment: [EmploymentType]
+}
+
+create type FacebookMessageType as closed {
+ message-id: int32,
+ author-id: int32,
+ in-response-to: int32?,
+ sender-location: point?,
+ message: string
+}
+
+create dataset FacebookUsers(FacebookUserType)
+primary key id;
+
+create dataset FacebookMessages(FacebookMessageType)
+primary key message-id;
+
+create dataset TwitterUsers(TwitterUserType)
+primary key screen-name;
+
+create dataset TweetMessages(TweetMessageType)
+primary key tweetid;
+
+load dataset FacebookUsers using localfs
+(("path"="localhost://FULL_PATH/fbu.adm"),("format"="adm"));
+
+load dataset FacebookMessages using localfs
+(("path"="localhost://FULL_PATH/fbm.adm"),("format"="adm"));
+
+load dataset TwitterUsers using localfs
+(("path"="localhost://FULL_PATH/twu.adm"),("format"="adm"));
+
+load dataset TweetMessages using localfs
+(("path"="localhost://FULL_PATH/twm.adm"),("format"="adm"));
diff --git a/asterix-examples/src/main/resources/intro/tinysocial/twm.adm b/asterix-examples/src/main/resources/intro/tinysocial/twm.adm
new file mode 100644
index 0000000..fa764af
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/tinysocial/twm.adm
@@ -0,0 +1,12 @@
+{"tweetid":"1","user":{"screen-name":"NathanGiesen@211","lang":"en","friends_count":39339,"statuses_count":473,"name":"Nathan Giesen","followers_count":49416},"sender-location":point("47.44,80.65"),"send-time":datetime("2008-04-26T10:10:00"),"referred-topics":{{"t-mobile","customization"}},"message-text":" love t-mobile its customization is good:)"}
+{"tweetid":"2","user":{"screen-name":"ColineGeyer@63","lang":"en","friends_count":121,"statuses_count":362,"name":"Coline Geyer","followers_count":17159},"sender-location":point("32.84,67.14"),"send-time":datetime("2010-05-13T10:10:00"),"referred-topics":{{"verizon","shortcut-menu"}},"message-text":" like verizon its shortcut-menu is awesome:)"}
+{"tweetid":"3","user":{"screen-name":"NathanGiesen@211","lang":"en","friends_count":39339,"statuses_count":473,"name":"Nathan Giesen","followers_count":49416},"sender-location":point("29.72,75.8"),"send-time":datetime("2006-11-04T10:10:00"),"referred-topics":{{"motorola","speed"}},"message-text":" like motorola the speed is good:)"}
+{"tweetid":"4","user":{"screen-name":"NathanGiesen@211","lang":"en","friends_count":39339,"statuses_count":473,"name":"Nathan Giesen","followers_count":49416},"sender-location":point("39.28,70.48"),"send-time":datetime("2011-12-26T10:10:00"),"referred-topics":{{"sprint","voice-command"}},"message-text":" like sprint the voice-command is mind-blowing:)"}
+{"tweetid":"5","user":{"screen-name":"NathanGiesen@211","lang":"en","friends_count":39339,"statuses_count":473,"name":"Nathan Giesen","followers_count":49416},"sender-location":point("40.09,92.69"),"send-time":datetime("2006-08-04T10:10:00"),"referred-topics":{{"motorola","speed"}},"message-text":" can't stand motorola its speed is terrible:("}
+{"tweetid":"6","user":{"screen-name":"ColineGeyer@63","lang":"en","friends_count":121,"statuses_count":362,"name":"Coline Geyer","followers_count":17159},"sender-location":point("47.51,83.99"),"send-time":datetime("2010-05-07T10:10:00"),"referred-topics":{{"iphone","voice-clarity"}},"message-text":" like iphone the voice-clarity is good:)"}
+{"tweetid":"7","user":{"screen-name":"ChangEwing_573","lang":"en","friends_count":182,"statuses_count":394,"name":"Chang Ewing","followers_count":32136},"sender-location":point("36.21,72.6"),"send-time":datetime("2011-08-25T10:10:00"),"referred-topics":{{"samsung","platform"}},"message-text":" like samsung the platform is good"}
+{"tweetid":"8","user":{"screen-name":"NathanGiesen@211","lang":"en","friends_count":39339,"statuses_count":473,"name":"Nathan Giesen","followers_count":49416},"sender-location":point("46.05,93.34"),"send-time":datetime("2005-10-14T10:10:00"),"referred-topics":{{"t-mobile","shortcut-menu"}},"message-text":" like t-mobile the shortcut-menu is awesome:)"}
+{"tweetid":"9","user":{"screen-name":"NathanGiesen@211","lang":"en","friends_count":39339,"statuses_count":473,"name":"Nathan Giesen","followers_count":49416},"sender-location":point("36.86,74.62"),"send-time":datetime("2012-07-21T10:10:00"),"referred-topics":{{"verizon","voicemail-service"}},"message-text":" love verizon its voicemail-service is awesome"}
+{"tweetid":"10","user":{"screen-name":"ColineGeyer@63","lang":"en","friends_count":121,"statuses_count":362,"name":"Coline Geyer","followers_count":17159},"sender-location":point("29.15,76.53"),"send-time":datetime("2008-01-26T10:10:00"),"referred-topics":{{"verizon","voice-clarity"}},"message-text":" hate verizon its voice-clarity is OMG:("}
+{"tweetid":"11","user":{"screen-name":"NilaMilliron_tw","lang":"en","friends_count":445,"statuses_count":164,"name":"Nila Milliron","followers_count":22649},"sender-location":point("37.59,68.42"),"send-time":datetime("2008-03-09T10:10:00"),"referred-topics":{{"iphone","platform"}},"message-text":" can't stand iphone its platform is terrible"}
+{"tweetid":"12","user":{"screen-name":"OliJackson_512","lang":"en","friends_count":445,"statuses_count":164,"name":"Oli Jackson","followers_count":22649},"sender-location":point("24.82,94.63"),"send-time":datetime("2010-02-13T10:10:00"),"referred-topics":{{"samsung","voice-command"}},"message-text":" like samsung the voice-command is amazing:)"}
diff --git a/asterix-examples/src/main/resources/intro/tinysocial/twu.adm b/asterix-examples/src/main/resources/intro/tinysocial/twu.adm
new file mode 100644
index 0000000..32a1917
--- /dev/null
+++ b/asterix-examples/src/main/resources/intro/tinysocial/twu.adm
@@ -0,0 +1,4 @@
+{"screen-name":"NathanGiesen@211","lang":"en","friends_count":18,"statuses_count":473,"name":"Nathan Giesen","followers_count":49416}
+{"screen-name":"ColineGeyer@63","lang":"en","friends_count":121,"statuses_count":362,"name":"Coline Geyer","followers_count":17159}
+{"screen-name":"NilaMilliron_tw","lang":"en","friends_count":445,"statuses_count":164,"name":"Nila Milliron","followers_count":22649}
+{"screen-name":"ChangEwing_573","lang":"en","friends_count":182,"statuses_count":394,"name":"Chang Ewing","followers_count":32136}