3 \ �@sNdZddlmZddlmZmZmZmZmZm Z dZ dZ Gdd�dej �Z dS) a�Adjust some old Python 2 idioms to their modern counterparts. * Change some type comparisons to isinstance() calls: type(x) == T -> isinstance(x, T) type(x) is T -> isinstance(x, T) type(x) != T -> not isinstance(x, T) type(x) is not T -> not isinstance(x, T) * Change "while 1:" into "while True:". * Change both v = list(EXPR) v.sort() foo(v) and the more general v = EXPR v.sort() foo(v) into v = sorted(EXPR) foo(v) �)� fixer_base)�Call�Comma�Name�Node� BlankLine�symsz0(n='!=' | '==' | 'is' | n=comp_op< 'is' 'not' >)z(power< 'type' trailer< '(' x=any ')' > >csPeZdZdZdeeeefZ�fdd�Zdd�Zdd�Z d d �Z d d �Z �Z S) � FixIdiomsTa� isinstance=comparison< %s %s T=any > | isinstance=comparison< T=any %s %s > | while_stmt< 'while' while='1' ':' any+ > | sorted=any< any* simple_stmt< expr_stmt< id1=any '=' power< list='list' trailer< '(' (not arglist) any ')' > > > '\n' > sort= simple_stmt< power< id2=any trailer< '.' 'sort' > trailer< '(' ')' > > '\n' > next=any* > | sorted=any< any* simple_stmt< expr_stmt< id1=any '=' expr=any > '\n' > sort= simple_stmt< power< id2=any trailer< '.' 'sort' > trailer< '(' ')' > > '\n' > next=any* > cs8tt|�j|�}|r4d|kr4|d|dkr0|SdS|S)N�sortedZid1Zid2)�superr �match)�self�node�r)� __class__��0/usr/lib64/python3.6/lib2to3/fixes/fix_idioms.pyr Os  zFixIdioms.matchcCsHd|kr|j||�Sd|kr(|j||�Sd|kr<|j||�Std��dS)N� isinstance�whiler z Invalid match)�transform_isinstance�transform_while�transform_sort� RuntimeError)r r�resultsrrr� transformZs   zFixIdioms.transformcCsh|dj�}|dj�}d|_d|_ttd�|t�|g�}d|kr\d|_ttjtd�|g�}|j|_|S)N�x�T�� r�n�not)�clone�prefixrrrrrZnot_test)r rrrrZtestrrrrds  zFixIdioms.transform_isinstancecCs |d}|jtd|jd��dS)Nr�True)r")�replacerr")r rrZonerrrrpszFixIdioms.transform_whilec Cs�|d}|d}|jd�}|jd�}|r>|jtd|jd��n8|rn|j�}d|_|jttd�|g|jd��ntd��|j�|j}d |kr�|r�|jd �d |d jf} d j | �|d _n"t �} |j j | �|jd �d | _dS) N�sort�next�list�exprr )r"rzshould not have reached here� �) �getr$rr"r!rr�remove� rpartition�joinr�parentZ append_child) r rrZ sort_stmtZ next_stmtZ list_callZ simple_expr�newZbtwnZ prefix_linesZend_linerrrrts*   zFixIdioms.transform_sort) �__name__� __module__� __qualname__Zexplicit�TYPE�CMPZPATTERNr rrrr� __classcell__rr)rrr %s'   r N)�__doc__rrZ fixer_utilrrrrrrr5r4ZBaseFixr rrrr�s