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U e5d = � & @ s^ d Z dZdZdZdZdZdZdZdZddl Z ddl Z ddl Z ddl Z dd l T d d d d ddddddddddddddd d d d d d!d"d#d$d%d&d'd(d)d*d+d,d-d.d/g&Z d0d1� Zd2d � Zd3d � Zd4d � Zd5d� Zd6d� Ze jj e_ d7d � Zd8d� Zd9d� Zd:d� Zd;d� Zd<d � Zd=d � Zda da d>d � Z d?d � Z d@d � Z dAd,� Z!dBdC� Z"e j#dDkZ$dGdEd.�Z%dFd/� Z&dS )Ha� Common operations on Posix pathnames. Instead of importing this module directly, import os and refer to this module as os.path. The "os.path" name is an alias for this module on Posix systems; on other systems (e.g. Windows), os.path provides the same operations in a manner specific to that platform, and is an alias to another module (e.g. ntpath). Some of this can actually be useful on non-Posix systems too, e.g. for manipulation of the pathname component of URLs. �.�..�/�:z /bin:/usr/binNz /dev/null� )�*�normcase�isabs�join� splitdrive�split�splitext�basename�dirname� commonprefix�getsize�getmtime�getatime�getctime�islink�exists�lexists�isdir�isfile�ismount� expanduser� expandvars�normpath�abspath�samefile� sameopenfile�samestat�curdir�pardir�sep�pathsep�defpath�altsep�extsep�devnull�realpath�supports_unicode_filenames�relpath� commonpathc C s t | t�rdS dS d S )N� /r )� isinstance�bytes��path� r2 �!/usr/lib64/python3.8/posixpath.py�_get_sep) s r4 c C s t �| �S )z6Normalize case of pathname. Has no effect under Posix��os�fspath)�sr2 r2 r3 r 4 s c C s t �| �} t| �}| �|�S )z Test whether a path is absolute)r6 r7 r4 � startswith)r8 r# r2 r2 r3 r < s c G s� t �| �} t| �}| }z^|s,|dd� | tt j|�D ]8}|�|�rL|}q8|rZ|�|�rd||7 }q8||| 7 }q8W n. tttfk r� t j d| f|�� � Y nX |S )z�Join two or more pathname components, inserting '/' as needed. If any component is an absolute path, all previous path components will be discarded. An empty last part will result in a path that ends with a separator.Nr r ) r6 r7 r4 �mapr9 �endswith� TypeError�AttributeError� BytesWarning� genericpath�_check_arg_types)�a�pr# r1 �br2 r2 r3 r G s c C s` t �| �} t| �}| �|�d }| d|� | |d� }}|rX||t|� krX|�|�}||fS )z�Split a pathname. Returns tuple "(head, tail)" where "tail" is everything after the final slash. Either part may be empty.� N�r6 r7 r4 �rfind�len�rstrip)rB r# �i�head�tailr2 r2 r3 r d s c C s6 t �| �} t| t�r d}d}nd}d}t�| |d |�S )Nr- � .r r )r6 r7 r. r/ r? � _splitext)rB r# r' r2 r2 r3 r u s c C s t �| �} | dd� | fS )zJSplit a pathname into drive and path. On Posix, drive is always empty.Nr r5 )rB r2 r2 r3 r � s c C s, t �| �} t| �}| �|�d }| |d� S )z)Returns the final component of a pathnamerD N)r6 r7 r4 rF )rB r# rI r2 r2 r3 r � s c C sN t �| �} t| �}| �|�d }| d|� }|rJ||t|� krJ|�|�}|S )z-Returns the directory component of a pathnamerD NrE )rB r# rI rJ r2 r2 r3 r � s c C s8 zt �| �}W n tttfk r* Y dS X t�|j�S )z&Test whether a path is a symbolic linkF)r6 �lstat�OSError� ValueErrorr= �stat�S_ISLNK�st_mode)r1 �str2 r2 r3 r � s c C s. zt �| � W n ttfk r( Y dS X dS )zCTest whether a path exists. Returns True for broken symbolic linksFT)r6 rN rO rP r0 r2 r2 r3 r � s c C s� zt �| �}W n ttfk r( Y dS X t�|j�r:dS t| t�rPt | d�}n t | d�}t |�}zt �|�}W n ttfk r� Y dS X |j }|j }||kr�dS |j }|j }||kr�dS dS )z$Test whether a path is a mount pointF� ..r T) r6 rN rO rP rQ rR rS r. r/ r r) �st_dev�st_ino)r1 �s1�parent�s2�dev1�dev2�ino1�ino2r2 r2 r3 r � s. c C s< t �| �} t| t�rd}nd}| �|�s,| S t| �}| �|d�}|dk rPt| �}|dkr�dt jkr�ddl }z|� t � � �j }W q� t k r� | Y S X n t jd }nVddl }| d|� }t|t�r�t|d�}z|�|�}W n t k r� | Y S X |j }t| t��rt �|�}d}nd }|�|�}|| |d� �p:|S ) zOExpand ~ and ~user constructions. If user or $HOME is unknown, do nothing.� ~�~rD r �HOMEN�ASCIIr- r )r6 r7 r. r/ r9 r4 �findrG �environ�pwd�getpwuid�getuid�pw_dir�KeyError�str�getpwnam�fsencoderH ) r1 �tilder# rI re �userhome�name�pwent�rootr2 r2 r3 r � sB c C sZ t �| �} t| t�rVd| kr | S ts:ddl}|�d|j�atj}d}d}t t dd�}n:d| krb| S t s|ddl}|�d |j�a t j}d }d }t j }d}|| |�}|s��qV|� d�\}}|� d �} | �|�r�| �|�r�| d d � } z.|dk�rt �t j t �| � �} n|| } W n tk �r& |}Y q�X | |d� } | d|� | } t| �}| | 7 } q�| S )zZExpand shell variables of form $var and ${var}. Unknown variables are left unchanged.� $r Ns \$(\w+|\{[^}]*\})� {� }�environb�$z\$(\w+|\{[^}]*\})�{�}rD ���)r6 r7 r. r/ � _varprogb�re�compilerb �search�getattr�_varprogrd �span�groupr9 r; rl �fsdecoderi rG ) r1 r{ r} �start�endrd rI �m�jro �valuerK r2 r2 r3 r sN c C s� t �| �} t| t�r&d}d}d}d}nd}d}d}d}| |krB|S | �|�}|rp| �|d �rp| �|d �spd }| �|�}g }|D ]J}|||fkr�q�||ks�|s�|r�|r�|d |kr�|�|� q�|r�|�� q�|}|�|�} |r�|| | } | p�|S ) z0Normalize path, eliminating double slashes, etc.r- � rL rU r � r r � � ry ) r6 r7 r. r/ r9 r �append�popr ) r1 r# �empty�dot�dotdot�initial_slashes�comps� new_comps�compr2 r2 r3 r N sJ � � � � c C s@ t �| �} t| �s8t| t�r&t �� }nt �� }t|| �} t| �S )zReturn an absolute path.) r6 r7 r r. r/ �getcwdb�getcwdr r )r1 �cwdr2 r2 r3 r t s c C s* t �| �} t| dd� | i �\}}t|�S )zlReturn the canonical path of the specified filename, eliminating any symbolic links encountered in the path.Nr )r6 r7 � _joinrealpathr )�filenamer1 �okr2 r2 r3 r) � s c C s t | t�rd}d}d}n d}d}d}t|�r<|dd � }|} |�r|�|�\}}}|r<||kr`q<||kr�| r�t| �\} }||kr�t| ||�} q<|} q<t| |�}t|�s�|} q<||kr�|| } | d k r�q<t||�dfS d ||< t| t� |�|�\} } | �st| |�dfS | ||< q<| d fS ) Nr- rL rU r r r rD FT) r. r/ r � partitionr r r r� r6 �readlink) r1 �rest�seenr# r! r" ro �_�newpathr� r2 r2 r3 r� � sH r� �darwinc C s� | s t d��t�| �} t| t�r.d}d}d}n d}d}d}|dkrH|}n t�|�}zrd d � t|��|�D �}d d � t| ��|�D �}tt||g��}|gt|�| ||d� }|s�|W S t |� W S t t t t fk r� t�d | |� � Y nX dS ) z#Return a relative version of a pathzno path specifiedrL r- rU r r r Nc S s g | ] }|r|�qS r2 r2 ��.0�xr2 r2 r3 � <listcomp>� s zrelpath.<locals>.<listcomp>c S s g | ] }|r|�qS r2 r2 r� r2 r2 r3 r� � s r+ )rP r6 r7 r. r/ r r rG r r r< r= r> �DeprecationWarningr? r@ ) r1 r� r! r# r" � start_list� path_listrI �rel_listr2 r2 r3 r+ � s0 c s2 | s t d��tttj| ��} t| d t�r4d�d� nd�d� zƇfdd�| D �}z t�fd d �| D ��\}W n t k r� t d �d �Y nX � fd d�|D �}t|�}t |�}|}t |�D ]$\}}||| kr�|d |� } q�q�|r�n �d d� }|�� |� W S t t fk �r, tjd| �� � Y nX d S )zDGiven a sequence of path names, returns the longest common sub-path.z%commonpath() arg is an empty sequencer r- rL r r c s g | ]}|� � ��qS r2 )r )r� r1 �r# r2 r3 r� � s z commonpath.<locals>.<listcomp>c 3 s | ]}|d d� � kV qd S )NrD r2 )r� rB r� r2 r3 � <genexpr>� s z commonpath.<locals>.<genexpr>z%Can't mix absolute and relative pathsNc s g | ]}� fd d�|D ��qS )c s g | ]}|r|� kr|�qS r2 r2 )r� �c�r! r2 r3 r� s z)commonpath.<locals>.<listcomp>.<listcomp>r2 )r� r8 r� r2 r3 r� s r, )r, )rP �tupler: r6 r7 r. r/ �set�min�max� enumerater r< r= r? r@ ) �paths� split_pathsr rX rZ �commonrI r� �prefixr2 )r! r# r3 r, � s6 )N)'�__doc__r! r" r' r# r$ r% r& r( r6 �sysrQ r? �__all__r4 r r r r r rM r r r r r r r r rz r r r r) r� �platformr* r+ r, r2 r2 r2 r3 �<module> s� � *25& 3 )
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