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path: root/creactiweb/_templates/lib/flask/ctx.py
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-rw-r--r--creactiweb/_templates/lib/flask/ctx.py66
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diff --git a/creactiweb/_templates/lib/flask/ctx.py b/creactiweb/_templates/lib/flask/ctx.py
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+# -*- coding: utf-8 -*-
+"""
+ flask.ctx
+ ~~~~~~~~~
+
+ Implements the objects required to keep the context.
+
+ :copyright: (c) 2010 by Armin Ronacher.
+ :license: BSD, see LICENSE for more details.
+"""
+
+from werkzeug.exceptions import HTTPException
+
+from .globals import _request_ctx_stack
+from .session import _NullSession
+
+
+class _RequestGlobals(object):
+ pass
+
+
+class _RequestContext(object):
+ """The request context contains all request relevant information. It is
+ created at the beginning of the request and pushed to the
+ `_request_ctx_stack` and removed at the end of it. It will create the
+ URL adapter and request object for the WSGI environment provided.
+ """
+
+ def __init__(self, app, environ):
+ self.app = app
+ self.request = app.request_class(environ)
+ self.url_adapter = app.create_url_adapter(self.request)
+ self.session = app.open_session(self.request)
+ if self.session is None:
+ self.session = _NullSession()
+ self.g = _RequestGlobals()
+ self.flashes = None
+
+ try:
+ url_rule, self.request.view_args = \
+ self.url_adapter.match(return_rule=True)
+ self.request.url_rule = url_rule
+ except HTTPException, e:
+ self.request.routing_exception = e
+
+ def push(self):
+ """Binds the request context."""
+ _request_ctx_stack.push(self)
+
+ def pop(self):
+ """Pops the request context."""
+ _request_ctx_stack.pop()
+
+ def __enter__(self):
+ self.push()
+ return self
+
+ def __exit__(self, exc_type, exc_value, tb):
+ # do not pop the request stack if we are in debug mode and an
+ # exception happened. This will allow the debugger to still
+ # access the request object in the interactive shell. Furthermore
+ # the context can be force kept alive for the test client.
+ # See flask.testing for how this works.
+ if not self.request.environ.get('flask._preserve_context') and \
+ (tb is None or not self.app.debug):
+ self.pop()