3 \| �@sBdZddlmZddlmZddlmZmZGdd�dej�ZdS)a&Fixer for has_key(). Calls to .has_key() methods are expressed in terms of the 'in' operator: d.has_key(k) -> k in d CAVEATS: 1) While the primary target of this fixer is dict.has_key(), the fixer will change any has_key() method call, regardless of its class. 2) Cases like this will not be converted: m = d.has_key if m(k): ... Only *calls* to has_key() are converted. While it is possible to convert the above to something like m = d.__contains__ if m(k): ... this is currently not done. �)�pytree)� fixer_base)�Name� parenthesizec@seZdZdZdZdd�ZdS)� FixHasKeyTa� anchor=power< before=any+ trailer< '.' 'has_key' > trailer< '(' ( not(arglist | argument) arg=any ','> ) ')' > after=any* > | negation=not_test< 'not' anchor=power< before=any+ trailer< '.' 'has_key' > trailer< '(' ( not(arglist | argument) arg=any ','> ) ')' > > > c Cs||j}|jj|jkr&|jj|j�r&dS|jd�}|d}|j}dd�|dD�}|dj�}|jd�} | rxdd�| D�} |j|j |j|j |j |j |j |jfkr�t|�}t|�d kr�|d }ntj|j|�}d |_td d d �} |r�tdd d �} tj|j| | f�} tj|j || |f�} | �r8t| �} tj|j| ft| ��} |jj|j |j|j|j|j|j|j|j|jf k�rrt| �} || _| S)N�negation�anchorcSsg|] }|j��qS�)�clone)�.0�nr r �1/usr/lib64/python3.6/lib2to3/fixes/fix_has_key.py� Rsz'FixHasKey.transform..�before�arg�aftercSsg|] }|j��qSr )r )r r r r r rVs��� �in)�prefix�not)�syms�parent�typeZnot_test�pattern�match�getrr Z comparisonZand_testZor_testZtestZlambdefZargumentr�lenrZNodeZpowerrZcomp_op�tuple�exprZxor_exprZand_exprZ shift_exprZ arith_exprZtermZfactor) �selfZnodeZresultsrrrrrrrZn_opZn_not�newr r r � transformGsD       zFixHasKey.transformN)�__name__� __module__� __qualname__Z BM_compatibleZPATTERNr#r r r r r&srN) �__doc__�rrZ fixer_utilrrZBaseFixrr r r r �s