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dd�ZejejdgffZejejejejejejejejejejejejejejej ej!ej"ej#ej$dgfffffffffffffffffej%dfffZ&dS(s�Simple code to extract class & function docstrings from a module.

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(tListTypet	TupleTypecCsVt|�j�}tjjtjj|�d�}tj|�}t|j	�|�S(s�Retrieve information from the parse tree of a source file.

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        Dictionary of variables which have already been found.  If not
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    The `pattern' value may contain variables of the form ['varname'] which
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