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U �A�`�- � @ s� d Z ddlmZmZ ddlZddlZddlZddlZddlZddl Z ddl m Z dd� Z G dd � d e j �Zd d � Zdd d �ZdS )z Main program for 2to3. � )�with_statement�print_functionN� )�refactorc C s( | � � } |� � }tj| |||dddd�S )z%Return a unified diff of two strings.z (original)z (refactored)� )Zlineterm)� splitlines�difflibZ unified_diff)�a�b�filename� r �"/usr/lib/python3.8/lib2to3/main.py� diff_texts s �r c s> e Zd ZdZd � fdd� Zdd� Z� fdd�Zd d � Z� ZS ) �StdoutRefactoringToola2 A refactoring tool that can avoid overwriting its input files. Prints output to stdout. Output files can optionally be written to a different directory and or have an extra file suffix appended to their name for use in situations where you do not want to replace the input files. r c sP || _ || _|r&|�tj�s&|tj7 }|| _|| _|| _tt | �� |||� dS )aF Args: fixers: A list of fixers to import. options: A dict with RefactoringTool configuration. explicit: A list of fixers to run even if they are explicit. nobackups: If true no backup '.bak' files will be created for those files that are being refactored. show_diffs: Should diffs of the refactoring be printed to stdout? input_base_dir: The base directory for all input files. This class will strip this path prefix off of filenames before substituting it with output_dir. Only meaningful if output_dir is supplied. All files processed by refactor() must start with this path. output_dir: If supplied, all converted files will be written into this directory tree instead of input_base_dir. append_suffix: If supplied, all files output by this tool will have this appended to their filename. Useful for changing .py to .py3 for example by passing append_suffix='3'. N) � nobackups� show_diffs�endswith�os�sep�_input_base_dir� _output_dir�_append_suffix�superr �__init__) �selfZfixers�options�explicitr r �input_base_dir� output_dir� append_suffix�� __class__r r r $ s z StdoutRefactoringTool.__init__c O s* | j �|||f� | jj|f|�|� d S )N)�errors�append�logger�error)r �msg�args�kwargsr r r � log_errorA s z StdoutRefactoringTool.log_errorc sz |}| j rH|�| j�r6tj�| j |t| j�d � �}ntd|| jf ��| jrX|| j7 }||kr�tj� |�}tj� |�s�|r�t� |� | � d||� | j �s2|d }tj�|�r�zt�|� W n. tk r� } z| � d|� W 5 d }~X Y nX zt�||� W n2 tk �r0 } z| � d||� W 5 d }~X Y nX tt| �j} | ||||� | j �s`t�||� ||k�rvt�||� d S )Nz5filename %s does not start with the input_base_dir %szWriting converted %s to %s.z.bakzCan't remove backup %szCan't rename %s to %s)r � startswithr r �path�join�len� ValueErrorr �dirname�isdir�makedirs� log_messager �lexists�remove�OSError�renamer r � write_file�shutilZcopymode) r Znew_textr Zold_text�encodingZ orig_filenamer Zbackup�err�writer r r r7 E sJ � �� � z StdoutRefactoringTool.write_filec C s� |r| � d|� n�| � d|� | jr�t|||�}zP| jd k rl| j�" |D ] }t|� qHtj�� W 5 Q R X n|D ] }t|� qpW n$ tk r� t d|f � Y d S X d S )NzNo changes to %sz Refactored %sz+couldn't encode %s's diff for your terminal) r2 r r Z output_lock�print�sys�stdout�flush�UnicodeEncodeError�warn)r �old�newr ZequalZ diff_lines�liner r r � print_outputl s$ �z"StdoutRefactoringTool.print_output)r r r ) �__name__� __module__� __qualname__�__doc__r r) r7 rE � __classcell__r r r r r s � 'r c C s t d| f tjd� d S )Nz WARNING: %s��file)r< r= �stderr)r& r r r rA � s rA c s t jdd�}|jddddd� |jdd d g d d � |jd dddddd� |jddd g dd � |jddddd� |jdddd d� |jd d dd d� |jd dd!d� |jd"d#dd$d� |jd%d&dd'd(d � |jd)d*dd+d,d-d.� |jd/d0dd1d� |jd2dd+d,d3d.� d'}i }|�|�\}}|j�r@d4|d5< |j�s:td6� d4|_|j�rZ|j�sZ|� d7� |j �rt|j�st|� d8� |j�s�|j �r�td9� |j�s�|j�r�|� d:� |j �r�t d;� t�� �D ]}t |� �q�|�s�d<S |�s t d=tjd>� t d?tjd>� d@S dA|k�r(d4}|j�r(t dBtjd>� d@S |j�r8d4|dC< |j�rFtjntj}tjdD|dE� t�dF�}tt�� ��} t� fdGdH�|jD ��} t� } |j �r�d'} |j D ](} | dIk�r�d4} n| � � dJ | � �q�| �r�| � | �n| }n | � | �}|� | �}t j!�"|�}|�r0|�#t j$��s0t j!�%|��s0t j!�&|�}|j�rT|�'t j$�}|�(dK|j|� t)t*|�|t*| �|j|j ||j|j dL�}|j+�s�|�r�|�,� nTz|�||j|j-|j.� W n8 tj/k �r� |j.dk�s�t0�t dMtjd>� Y dS X |�1� t2t3|j+��S )Nz�Main program. Args: fixer_pkg: the name of a package where the fixers are located. args: optional; a list of command line arguments. If omitted, sys.argv[1:] is used. Returns a suggested exit status (0, 1, 2). z2to3 [options] file|dir ...)Zusagez-dz--doctests_only� store_truezFix up doctests only)�action�helpz-fz--fixr# z1Each FIX specifies a transformation; default: all)rO �defaultrP z-jz --processesZstorer �intzRun 2to3 concurrently)rO rQ �typerP z-xz--nofixz'Prevent a transformation from being runz-lz --list-fixesz List available transformationsz-pz--print-functionz0Modify the grammar so that print() is a functionz-vz --verbosezMore verbose loggingz --no-diffsz#Don't show diffs of the refactoringz-wz--writezWrite back modified filesz-nz --nobackupsFz&Don't write backups for modified filesz-oz --output-dir�strr zXPut output files in this directory instead of overwriting the input files. 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