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raven.utils.stacks
~~~~~~~~~~~~~~~~~~~~~~~~~~
:copyright: (c) 2010-2012 by the Sentry Team, see AUTHORS for more details.
:license: BSD, see LICENSE for more details.
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Returns context_lines before and after lineno from file.
Returns (pre_context_lineno, pre_context, context_line, post_context).
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f_locals is not guaranteed to have .get(), but it will always
support __getitem__. Even if it doesn't, we return ``default``.
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Given something that closely resembles a dictionary, we attempt
to coerce it into a propery dictionary.
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Given a traceback object, it will iterate over all
frames that do not contain the ``__traceback_hide__``
local variable.
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Given an optional list of frames (defaults to current stack),
iterates over all frames that do not contain the ``__traceback_hide__``
local variable.
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Removes various excess metadata from middle frames which go beyond
``frame_allowance``.
Returns ``frames``.
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Given a list of frames, returns a list of stack information
dictionary objects that are JSON-ready.
We have to be careful here as certain implementations of the
_Frame class do not contain the necessary data to lookup all
of the information we want.
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