mirror of
https://github.com/SickGear/SickGear.git
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cec4ed573d
Switched out sqlite3 libs in favour of SQLAlchemy v0.9, will gradually migrate dialects and scheme to be fully SQLAlchemy compliant for using there ORM with sessions instead of direct. Fixed getEpisode function to stop making unrequired scene number conversions on already converted data thats available now from cache.
299 lines
11 KiB
Python
299 lines
11 KiB
Python
"""CherryPy Application and Tree objects."""
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import os
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import cherrypy
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from cherrypy._cpcompat import ntou, py3k
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from cherrypy import _cpconfig, _cplogging, _cprequest, _cpwsgi, tools
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from cherrypy.lib import httputil
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class Application(object):
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"""A CherryPy Application.
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Servers and gateways should not instantiate Request objects directly.
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Instead, they should ask an Application object for a request object.
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An instance of this class may also be used as a WSGI callable
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(WSGI application object) for itself.
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"""
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root = None
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"""The top-most container of page handlers for this app. Handlers should
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be arranged in a hierarchy of attributes, matching the expected URI
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hierarchy; the default dispatcher then searches this hierarchy for a
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matching handler. When using a dispatcher other than the default,
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this value may be None."""
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config = {}
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"""A dict of {path: pathconf} pairs, where 'pathconf' is itself a dict
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of {key: value} pairs."""
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namespaces = _cpconfig.NamespaceSet()
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toolboxes = {'tools': cherrypy.tools}
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log = None
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"""A LogManager instance. See _cplogging."""
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wsgiapp = None
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"""A CPWSGIApp instance. See _cpwsgi."""
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request_class = _cprequest.Request
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response_class = _cprequest.Response
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relative_urls = False
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def __init__(self, root, script_name="", config=None):
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self.log = _cplogging.LogManager(id(self), cherrypy.log.logger_root)
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self.root = root
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self.script_name = script_name
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self.wsgiapp = _cpwsgi.CPWSGIApp(self)
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self.namespaces = self.namespaces.copy()
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self.namespaces["log"] = lambda k, v: setattr(self.log, k, v)
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self.namespaces["wsgi"] = self.wsgiapp.namespace_handler
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self.config = self.__class__.config.copy()
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if config:
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self.merge(config)
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def __repr__(self):
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return "%s.%s(%r, %r)" % (self.__module__, self.__class__.__name__,
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self.root, self.script_name)
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script_name_doc = """The URI "mount point" for this app. A mount point
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is that portion of the URI which is constant for all URIs that are
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serviced by this application; it does not include scheme, host, or proxy
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("virtual host") portions of the URI.
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For example, if script_name is "/my/cool/app", then the URL
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"http://www.example.com/my/cool/app/page1" might be handled by a
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"page1" method on the root object.
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The value of script_name MUST NOT end in a slash. If the script_name
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refers to the root of the URI, it MUST be an empty string (not "/").
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If script_name is explicitly set to None, then the script_name will be
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provided for each call from request.wsgi_environ['SCRIPT_NAME'].
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"""
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def _get_script_name(self):
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if self._script_name is not None:
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return self._script_name
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# A `_script_name` with a value of None signals that the script name
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# should be pulled from WSGI environ.
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return cherrypy.serving.request.wsgi_environ['SCRIPT_NAME'].rstrip("/")
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def _set_script_name(self, value):
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if value:
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value = value.rstrip("/")
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self._script_name = value
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script_name = property(fget=_get_script_name, fset=_set_script_name,
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doc=script_name_doc)
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def merge(self, config):
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"""Merge the given config into self.config."""
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_cpconfig.merge(self.config, config)
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# Handle namespaces specified in config.
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self.namespaces(self.config.get("/", {}))
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def find_config(self, path, key, default=None):
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"""Return the most-specific value for key along path, or default."""
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trail = path or "/"
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while trail:
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nodeconf = self.config.get(trail, {})
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if key in nodeconf:
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return nodeconf[key]
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lastslash = trail.rfind("/")
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if lastslash == -1:
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break
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elif lastslash == 0 and trail != "/":
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trail = "/"
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else:
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trail = trail[:lastslash]
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return default
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def get_serving(self, local, remote, scheme, sproto):
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"""Create and return a Request and Response object."""
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req = self.request_class(local, remote, scheme, sproto)
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req.app = self
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for name, toolbox in self.toolboxes.items():
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req.namespaces[name] = toolbox
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resp = self.response_class()
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cherrypy.serving.load(req, resp)
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cherrypy.engine.publish('acquire_thread')
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cherrypy.engine.publish('before_request')
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return req, resp
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def release_serving(self):
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"""Release the current serving (request and response)."""
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req = cherrypy.serving.request
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cherrypy.engine.publish('after_request')
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try:
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req.close()
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except:
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cherrypy.log(traceback=True, severity=40)
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cherrypy.serving.clear()
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def __call__(self, environ, start_response):
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return self.wsgiapp(environ, start_response)
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class Tree(object):
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"""A registry of CherryPy applications, mounted at diverse points.
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An instance of this class may also be used as a WSGI callable
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(WSGI application object), in which case it dispatches to all
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mounted apps.
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"""
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apps = {}
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"""
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A dict of the form {script name: application}, where "script name"
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is a string declaring the URI mount point (no trailing slash), and
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"application" is an instance of cherrypy.Application (or an arbitrary
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WSGI callable if you happen to be using a WSGI server)."""
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def __init__(self):
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self.apps = {}
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def mount(self, root, script_name="", config=None):
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"""Mount a new app from a root object, script_name, and config.
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root
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An instance of a "controller class" (a collection of page
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handler methods) which represents the root of the application.
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This may also be an Application instance, or None if using
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a dispatcher other than the default.
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script_name
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A string containing the "mount point" of the application.
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This should start with a slash, and be the path portion of the
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URL at which to mount the given root. For example, if root.index()
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will handle requests to "http://www.example.com:8080/dept/app1/",
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then the script_name argument would be "/dept/app1".
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It MUST NOT end in a slash. If the script_name refers to the
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root of the URI, it MUST be an empty string (not "/").
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config
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A file or dict containing application config.
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"""
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if script_name is None:
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raise TypeError(
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"The 'script_name' argument may not be None. Application "
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"objects may, however, possess a script_name of None (in "
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"order to inpect the WSGI environ for SCRIPT_NAME upon each "
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"request). You cannot mount such Applications on this Tree; "
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"you must pass them to a WSGI server interface directly.")
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# Next line both 1) strips trailing slash and 2) maps "/" -> "".
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script_name = script_name.rstrip("/")
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if isinstance(root, Application):
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app = root
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if script_name != "" and script_name != app.script_name:
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raise ValueError(
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"Cannot specify a different script name and pass an "
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"Application instance to cherrypy.mount")
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script_name = app.script_name
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else:
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app = Application(root, script_name)
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# If mounted at "", add favicon.ico
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if (script_name == "" and root is not None
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and not hasattr(root, "favicon_ico")):
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favicon = os.path.join(os.getcwd(), os.path.dirname(__file__),
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"favicon.ico")
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root.favicon_ico = tools.staticfile.handler(favicon)
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if config:
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app.merge(config)
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self.apps[script_name] = app
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return app
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def graft(self, wsgi_callable, script_name=""):
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"""Mount a wsgi callable at the given script_name."""
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# Next line both 1) strips trailing slash and 2) maps "/" -> "".
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script_name = script_name.rstrip("/")
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self.apps[script_name] = wsgi_callable
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def script_name(self, path=None):
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"""The script_name of the app at the given path, or None.
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If path is None, cherrypy.request is used.
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"""
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if path is None:
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try:
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request = cherrypy.serving.request
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path = httputil.urljoin(request.script_name,
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request.path_info)
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except AttributeError:
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return None
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while True:
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if path in self.apps:
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return path
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if path == "":
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return None
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# Move one node up the tree and try again.
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path = path[:path.rfind("/")]
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def __call__(self, environ, start_response):
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# If you're calling this, then you're probably setting SCRIPT_NAME
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# to '' (some WSGI servers always set SCRIPT_NAME to '').
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# Try to look up the app using the full path.
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env1x = environ
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if environ.get(ntou('wsgi.version')) == (ntou('u'), 0):
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env1x = _cpwsgi.downgrade_wsgi_ux_to_1x(environ)
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path = httputil.urljoin(env1x.get('SCRIPT_NAME', ''),
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env1x.get('PATH_INFO', ''))
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sn = self.script_name(path or "/")
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if sn is None:
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start_response('404 Not Found', [])
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return []
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app = self.apps[sn]
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# Correct the SCRIPT_NAME and PATH_INFO environ entries.
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environ = environ.copy()
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if not py3k:
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if environ.get(ntou('wsgi.version')) == (ntou('u'), 0):
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# Python 2/WSGI u.0: all strings MUST be of type unicode
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enc = environ[ntou('wsgi.url_encoding')]
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environ[ntou('SCRIPT_NAME')] = sn.decode(enc)
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environ[ntou('PATH_INFO')] = path[
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len(sn.rstrip("/")):].decode(enc)
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else:
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# Python 2/WSGI 1.x: all strings MUST be of type str
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environ['SCRIPT_NAME'] = sn
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environ['PATH_INFO'] = path[len(sn.rstrip("/")):]
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else:
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if environ.get(ntou('wsgi.version')) == (ntou('u'), 0):
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# Python 3/WSGI u.0: all strings MUST be full unicode
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environ['SCRIPT_NAME'] = sn
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environ['PATH_INFO'] = path[len(sn.rstrip("/")):]
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else:
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# Python 3/WSGI 1.x: all strings MUST be ISO-8859-1 str
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environ['SCRIPT_NAME'] = sn.encode(
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'utf-8').decode('ISO-8859-1')
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environ['PATH_INFO'] = path[
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len(sn.rstrip("/")):].encode('utf-8').decode('ISO-8859-1')
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return app(environ, start_response)
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