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| Dir : //lib64/python2.7/Demo/parser/example.pyc |
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This code is used as an example in the library reference manual in the
section on using the parser module. Refer to the manual for a thorough
discussion of the operation of this code.
i����N( t ListTypet TupleTypec C sV t | � j � } t j j t j j | � d � } t j | � } t | j � | � S( s� Retrieve information from the parse tree of a source file.
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Name of the file to read Python source code from.
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j s c C s� | d k r i } n t | � t k r? | | | d <d | f St | � t k ra | | k | f St | � t | � k r� d | f SxB t d | | � D]. \ } } t | | | � \ } } | s� Pq� q� W| | f S( sa Match `data' to `pattern', with variable extraction.
pattern
Pattern to match against, possibly containing variables.
data
Data to be checked and against which variables are extracted.
vars
Dictionary of variables which have already been found. If not
provided, an empty dictionary is created.
The `pattern' value may contain variables of the form ['varname'] which
are allowed to match anything. The value that is matched is returned as
part of a dictionary which maps 'varname' to the matched value. 'varname'
is not required to be a string object, but using strings makes patterns
and the code which uses them more readable.
This function returns two values: a boolean indicating whether a match
was found and a dictionary mapping variable names to their associated
values.
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