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resetwarningst catch_warningsi c C s9 t j r5 | d k r t } n t | | | d n d S( s Issue a deprecation warning for Python 3.x related changes.
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rN n Xd S( s7 Hook to write a warning to a file; replace if you like.N( R R t stderrt writeR t IOError( R
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c C sd d | | | j | f } | d k r7 t j | | n | } | r` | j } | d | 7} n | S( s. Function to format a warning the standard way.s %s:%s: %s: %s
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| n t j d | d S( s Insert an entry into the list of warnings filters (at the front).
'action' -- one of "error", "ignore", "always", "default", "module",
or "once"
'message' -- a regex that the warning message must match
'category' -- a class that the warning must be a subclass of
'module' -- a regex that the module name must match
'lineno' -- an integer line number, 0 matches all warnings
'append' -- if true, append to the list of filters
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S( s Insert a simple entry into the list of warnings filters (at the front).
A simple filter matches all modules and messages.
'action' -- one of "error", "ignore", "always", "default", "module",
or "once"
'category' -- a class that the warning must be a subclass of
'lineno' -- an integer line number, 0 matches all warnings
'append' -- if true, append to the list of filters
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Ry R R R ( Rz ( ( s /usr/lib/python2.7/warnings.pyt __str__' s ( s messages categorys filenames linenos files lineN( R R5 R6 Rw R R} R~ ( ( ( s /usr/lib/python2.7/warnings.pyRu s c B s8 e Z d Z e d d Z d Z d Z d Z RS( s A context manager that copies and restores the warnings filter upon
exiting the context.
The 'record' argument specifies whether warnings should be captured by a
custom implementation of warnings.showwarning() and be appended to a list
returned by the context manager. Otherwise None is returned by the context
manager. The objects appended to the list are arguments whose attributes
mirror the arguments to showwarning().
The 'module' argument is to specify an alternative module to the module
named 'warnings' and imported under that name. This argument is only useful
when testing the warnings module itself.
c C s8 | | _ | d k r" t j d n | | _ t | _ d S( s Specify whether to record warnings and if an alternative module
should be used other than sys.modules['warnings'].
For compatibility with Python 3.0, please consider all arguments to be
keyword-only.
t warningsN( t _recordR R t modulest _modulet Falset _entered( Rz t recordR ( ( s /usr/lib/python2.7/warnings.pyR} > s "c C sr g } | j r | j d n | j t j d k rL | j d | j n t | j } d | d j | f S( Ns record=TrueR s module=%rs %s(%s)s , ( R R/ R R R R& R t join( Rz R8 t name( ( s /usr/lib/python2.7/warnings.pyt __repr__J s c s | j r t d | n t | _ | j j | _ | j | j _ | j j | _ | j r g f d } | | j _ Sd Sd S( Ns Cannot enter %r twicec s j t | | d S( N( R/ Ru ( R8 t kwargs( t log( s /usr/lib/python2.7/warnings.pyR \ s (
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