forked from orbit-oss/flask
in with the new. i have the bits in places where i think they should be, now i just need to work on the import scheme layout
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57
flask/ctx.py
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57
flask/ctx.py
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class _RequestContext(object):
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"""The request context contains all request relevant information. It is
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created at the beginning of the request and pushed to the
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`_request_ctx_stack` and removed at the end of it. It will create the
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URL adapter and request object for the WSGI environment provided.
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"""
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def __init__(self, app, environ):
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self.app = app
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self.url_adapter = app.url_map.bind_to_environ(environ,
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server_name=app.config['SERVER_NAME'])
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self.request = app.request_class(environ)
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self.session = app.open_session(self.request)
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if self.session is None:
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self.session = _NullSession()
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self.g = _RequestGlobals()
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self.flashes = None
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try:
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self.request.endpoint, self.request.view_args = \
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self.url_adapter.match()
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except HTTPException, e:
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self.request.routing_exception = e
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def push(self):
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"""Binds the request context."""
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_request_ctx_stack.push(self)
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def pop(self):
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"""Pops the request context."""
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_request_ctx_stack.pop()
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def __enter__(self):
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self.push()
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return self
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def __exit__(self, exc_type, exc_value, tb):
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# do not pop the request stack if we are in debug mode and an
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# exception happened. This will allow the debugger to still
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# access the request object in the interactive shell. Furthermore
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# the context can be force kept alive for the test client.
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if not self.request.environ.get('flask._preserve_context') and \
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(tb is None or not self.app.debug):
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self.pop()
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def _default_template_ctx_processor():
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"""Default template context processor. Injects `request`,
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`session` and `g`.
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"""
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reqctx = _request_ctx_stack.top
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return dict(
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request=reqctx.request,
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session=reqctx.session,
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g=reqctx.g
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)
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