a
XC?h � @ sl d Z ddlmZ ddlmZ ddlmZ ddlmZ ddlmZm Z m
Z
m Z e� d�Z
G dd � d ej�Zd
S ) a Fixer for print.
Change:
'print' into 'print()'
'print ...' into 'print(...)'
'print ... ,' into 'print(..., end=" ")'
'print >>x, ...' into 'print(..., file=x)'
No changes are applied if print_function is imported from __future__
� )�patcomp)�pytree)�token)�
fixer_base)�Name�Call�Comma�Stringz"atom< '(' [atom|STRING|NAME] ')' >c @ s$ e Zd ZdZdZdd� Zdd� ZdS )�FixPrintTzP
simple_stmt< any* bare='print' any* > | print_stmt
c
C s� |sJ �|� d�}|r4|�ttd�g |jd�� d S |jd td�ksJJ �|jdd � }t|�dkrvt�|d �rvd S d } }}|r�|d t � kr�|d d� }d}|r�|d t
� t j
d�kr�t|�d ks�J �|d �� }|d
d � }d d � |D �}|�rd
|d _|d u�s"|d u�s"|d u�rz|d u�rB| �|dtt|��� |d u�rb| �|dtt|��� |d u�rz| �|d|� ttd�|�} |j| _| S )NZbare�print)�prefix� � ������ z>>r � c S s g | ] }|� � �qS � )�clone)�.0�argr r �? � z&FixPrint.transform..� �sep�end�file)�get�replacer r r Zchildren�len� parend_expr�matchr r �Leafr �
RIGHTSHIFTr � add_kwargr �repr)
�selfZnodeZresultsZ
bare_print�argsr r r Zl_argsZn_stmtr r r � transform% s@
�
zFixPrint.transformc C sN d|_ t�| jjt|�t�tjd�|f�}|r@|� t
� � d|_ |� |� d S )Nr �=r ) r r ZNodeZsymsZargumentr r" r �EQUAL�appendr )r& Zl_nodesZs_kwdZn_exprZ
n_argumentr r r r$ M s
�� zFixPrint.add_kwargN)�__name__�
__module__� __qualname__Z
BM_compatibleZPATTERNr( r$ r r r r r
s (r
N)�__doc__r r r Zpgen2r r Z
fixer_utilr r r r Zcompile_patternr ZBaseFixr
r r r r � s
�