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Editing: fixer_util.cpython-37.pyc
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If you have a chain of objects where a.foo -> b, b.foo-> c, etc, use this to iterate over all objects in the chain. Iteration is terminated by getattr(x, attr) is None. Args: obj: the starting object attr: the name of the chaining attribute Yields: Each successive object in the chain. N)�getattr)r" r# �nextr r r � attr_chain� s rm zefor_stmt< 'for' any 'in' node=any ':' any* > | comp_for< 'for' any 'in' node=any any* > z� power< ( 'iter' | 'list' | 'tuple' | 'sorted' | 'set' | 'sum' | 'any' | 'all' | 'enumerate' | (any* trailer< '.' 'join' >) ) trailer< '(' node=any ')' > any* > z` power< ( 'sorted' | 'enumerate' ) trailer< '(' arglist<node=any any*> ')' > any* > Fc C sr t s&t�t�at�t�at�t�ada tttg}x<t|t| d��D ](\}}i }|�||�rB|d | krBdS qBW dS )a Returns true if node is in an environment where all that is required of it is being iterable (ie, it doesn't matter if it returns a list or an iterator). See test_map_nochange in test_fixers.py for some examples and tests. T�parentr. 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Zpatterns�patternrn rW r r r �in_special_context� s rv c C s� | j }|dk r |jtjkr dS | j}|jtjtjfkr:dS |jtjkrX|j d | krXdS |jtj ks�|jtj kr�|dk r�|jtj ks�|j d | kr�dS dS )zG Check that something isn't an attribute or function name etc. NFrU T) Z prev_siblingrV r r) rn r �funcdef�classdef� expr_stmtrO Z parametersZ typedargslistr& )r. �prevrn r r r �is_probably_builtin� s r{ c C sN xH| dk rH| j tjkr@t| j�dkr@| jd }|j tjkr@|jS | j} qW dS )z Find the indentation of *node*.Nr\ r r5 ) rV r �suiter] rO r �INDENTr rn )r. �indentr r r �find_indentation s r c C s> | j tjkr| S | �� } | jd }| _ttj| g�}||_|S )N)rV r r| r* rn r )r. rn r| r r r � make_suite s r� c C s( x"| j tjkr"| j} | std��qW | S )z Find the top level namespace.z,root found before file_input node was found.)rV r Z file_inputrn � ValueError)r. r r r � find_root& s r� c C s t |t|�| �}t|�S )z� Returns true if name is imported from package at the top level of the tree which node belongs to. 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Zbindingr r r �does_tree_import/ s r� c C s | j tjtjfkS )z0Returns true if the node is an import statement.)rV r � import_namerN )r. r r r � is_import7 s r� c C s4 dd� }t |�}t| ||�r dS d }}xTt|j�D ]F\}}||�sFq4x(t|j|d� �D ]\}}||�sZP qZW || }P q4W |dkr�xDt|j�D ]6\}}|jtjkr�|jr�|jd jtjkr�|d }P q�W | dkr�t tj t tj d�t tj |dd�g�} nt | t tj |dd�g�} | t� g} |�|t tj| �� dS ) z\ Works like `does_tree_import` but adds an import statement if it was not imported. c S s | j tjko | jo t| jd �S )NrU )rV r � simple_stmtrO r� )r. r r r �is_import_stmt> s z$touch_import.<locals>.is_import_stmtNrU r rK r )r )r� r� rj rO rV r r� r r? r r� r r rQ r4 r+ ) r� r r. r� �rootZ insert_pos�offset�idxZnode2�import_rO r r r � touch_import; s4 r� c C s� �x�|j D �]�}d}|jtjkrVt| |j d �r4|S t| t|j d �|�}|rR|}�n4|jtjtjfkr�t| t|j d �|�}|r�|}�n |jtj k�rt| t|j d �|�}|r�|}nXx�t |j dd� �D ]@\}}|jt j kr�|j dkr�t| t|j |d �|�}|r�|}q�W nx|jtk�r6|j d j | k�r6|}nTt|| |��rJ|}n@|jtjk�rft| ||�}n$|jtjk�r�t| |j d ��r�|}|r |�s�|S t|�r |S q W dS ) z� Returns the node which binds variable name, otherwise None. 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See test cases for examples. r r\ r_ Nr[ �as)rV r r� rO Zdotted_as_namesZdotted_as_namer r r rN �str�stripr� rM Zimport_as_name�STAR)r. r r� rP r� Zlastr8 r r r r� � s@ r� )N)NN)N)N)N)N)N)6�__doc__Zpgen2r Zpytreer r Zpygramr r r5 r r r r r r r$ r' r! r/ r1 r4 r6 r9 r> rA rI rQ rZ r^ r` ra Zconsuming_callsrm rp rq rr ro rv r{ r r� r� r� r� r� rx rw r� r� r r� r� r� r r r r �<module> sZ - *
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