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linecache.cpython-39.pyc
a �DOgU � @ sl d Z ddlZddlZddlZddlZg d�Zi Zdd� Zddd�Zddd �Z dd d �Z dd d �Z dd� Z dS )z�Cache lines from Python source files. This is intended to read lines from modules imported -- hence if a filename is not found, it will look down the module search path for a file by that name. � N)�getline� clearcache� checkcache� lazycachec C s t �� dS )zClear the cache entirely.N)�cache�clear� r r �!/usr/lib64/python3.9/linecache.pyr s r c C s6 t | |�}d| kr"t|�kr2n n ||d S dS )z~Get a line for a Python source file from the cache. Update the cache if it doesn't contain an entry for this file already.� � )�getlines�len)�filename�lineno�module_globals�linesr r r r s r c C sV | t v r(t | }t|�dkr(t | d S z t| |�W S tyP t� g Y S 0 dS )z�Get the lines for a Python source file from the cache. Update the cache if it doesn't contain an entry for this file already.r � N)r r � updatecache� MemoryErrorr )r r �entryr r r r $ s r c C s� | du rt t�� �}n| tv r&| g}ndS |D ]�} t| }t|�dkrHq.|\}}}}|du r^q.zt�|�}W n" ty� t�| d� Y q.Y n0 ||jks�||j kr.t�| d� q.dS )zUDiscard cache entries that are out of date. (This is not checked upon each call!)Nr ) �listr �keysr �os�stat�OSError�pop�st_size�st_mtime)r � filenamesr �size�mtimer �fullnamer r r r r 4 s& r c C s | t v r$tt | �dkr$t �| d� | r<| �d�r@| �d�r@g S | }zt�|�}W �n t�yf | }t| |�r�zt | d � }W n t tfy� Y nD0 |du r�g Y S t|�ddd� |� � D �|ft | < t | d Y S tj � | �r�g Y S t j D ]`}ztj �||�}W n ttf�y* Y q�Y n0 zt�|�}W �qbW q� t�yV Y q�0 q�g Y S Y n0 z8t�|��}|�� }W d � n1 �s�0 Y W n t�y� g Y S 0 |�r�|d �d ��s�|d d 7 < |j|j } } | | ||ft | < |S ) z�Update a cache entry and return its list of lines. If something's wrong, print a message, discard the cache entry, and return an empty list.r N�<�>r c S s g | ] }|d �qS )� r )�.0�liner r r � <listcomp>p � z updatecache.<locals>.<listcomp>r ���r$ )r r r � startswith�endswithr r r r � ImportError� splitlines�path�isabs�sys�join� TypeError�AttributeError�tokenize�open� readlinesr r ) r r r! r �basename�data�dirname�fpr r r r r r r P s\ � , r c C s� | t v r tt | �dkr dS dS | r8| �d�r<| �d�r<dS |r�d|v r�|�d�}|d }t|dd �}|r�|r�t�||�}|ft | < dS dS ) a� Seed the cache for filename with module_globals. The module loader will be asked for the source only when getlines is called, not immediately. If there is an entry in the cache already, it is not altered. :return: True if a lazy load is registered in the cache, otherwise False. To register such a load a module loader with a get_source method must be found, the filename must be a cacheable filename, and the filename must not be already cached. r TFr" r# � __loader__�__name__� get_sourceN)r r r* r+ �get�getattr� functools�partial)r r �name�loaderr= � get_linesr r r r � s r )N)N)N)N) �__doc__r@ r0 r r4 �__all__r r r r r r r r r r r �<module> s C
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