✏️ 编辑：posixpath.cpython-39.pyc
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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� commonpath� ALLOW_MISSINGc C s t | t�rdS dS d S )N� /r )� isinstance�bytes��path� r3 �!/usr/lib64/python3.9/posixpath.py�_get_sep) s r5 c C s t �| �S )z6Normalize case of pathname. Has no effect under Posix��os�fspath)�sr3 r3 r4 r 4 s r c C s t �| �} t| �}| �|�S )z Test whether a path is absolute)r7 r8 r5 � startswith)r9 r# r3 r3 r4 r < s r c G s� t �| �} t| �}| }z^|s,|dd� | tt j|�D ]8}|�|�rL|}q8|rZ|�|�rd||7 }q8||| 7 }q8W n. tttfy� t j d| g|�R � � Y n0 |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 ) r7 r8 r5 �mapr: �endswith� TypeError�AttributeError� BytesWarning� genericpath�_check_arg_types)�a�pr# r2 �br3 r3 r4 r G s r 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�r7 r8 r5 �rfind�len�rstrip)rC r# �i�head�tailr3 r3 r4 r d s r c C s6 t �| �} t| t�r d}d}nd}d}t�| |d |�S )Nr. � .r r )r7 r8 r/ r0 r@ � _splitext)rC r# r' r3 r3 r4 r u s r c C s t �| �} | dd� | fS )zJSplit a pathname into drive and path. On Posix, drive is always empty.Nr r6 )rC r3 r3 r4 r � s r c C s, t �| �} t| �}| �|�d }| |d� S )z)Returns the final component of a pathnamerE N)r7 r8 r5 rG )rC r# rJ r3 r3 r4 r � s r c C sN t �| �} t| �}| �|�d }| d|� }|rJ||t|� krJ|�|�}|S )z-Returns the directory component of a pathnamerE NrF )rC r# rJ rK r3 r3 r4 r � s r c C s6 zt �| �}W n tttfy( Y dS 0 t�|j�S )z&Test whether a path is a symbolic linkF)r7 �lstat�OSError� ValueErrorr> �stat�S_ISLNK�st_mode)r2 �str3 r3 r4 r � s r c C s, zt �| � W n ttfy& Y dS 0 dS )zCTest whether a path exists. 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If user or $HOME is unknown, do nothing.� ~�~rE r �HOMEN�ASCIIr. r )r7 r8 r/ r0 r: r5 �findrH �environ�pwd�getpwuid�getuid�pw_dir�KeyError�str�getpwnam�fsencoderI ) r2 �tilder# rJ rf �userhome�name�pwent�rootr3 r3 r4 r � sB r z\$(\w+|\{[^}]*\}?)c s� t �| �} t| t�rZd| vr | S ts@ddl}|�t�� |j �j at}d�d� t t dd��n:d| vrf| S t s�ddl}|�t|j �j a t }d�d � t j �� ��fd d �}||| �S ) zZExpand shell variables of form $var and ${var}. Unknown variables are left unchanged.� $r N� {� }�environb�$�{�}c s� | d }|� ��r0|�� �s$| d S |dd� }z,�d u rRt�tjt�|� �}n�| }W n tyv | d Y S 0 |S d S )NrE r ���)r: r< r7 rm re �fsdecoderj )�mrp �value��endre �startr3 r4 �repl4 s zexpandvars.<locals>.repl)r7 r8 r/ r0 �_varsubb�re�compile� _varpattern�encoderc �sub�getattr�_varsubre )r2 r� r� r� r3 r~ r4 r s, r 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}|||fv r�q�||ks�|s�|r�|r�|d |kr�|�|� q�|r�|�� q�|}|�|�} |r�|| | } | p�|S ) z0Normalize path, eliminating double slashes, etc.r. � rM rV r � r r � � rz ) r7 r8 r/ r0 r: r �append�popr ) r2 r# �empty�dot�dotdot�initial_slashes�comps� new_comps�compr3 r3 r4 r K sJ � � � � r c C s@ t �| �} t| �s8t| t�r&t �� }nt �� }t|| �} t| �S )zReturn an absolute path.) r7 r8 r r/ r0 �getcwdb�getcwdr r )r2 �cwdr3 r3 r4 r r s r F)�strictc 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 )r7 r8 � _joinrealpathr )�filenamer� r2 �okr3 r3 r4 r) � s r) c C s� t | t�rd}d}d}nd}d}d}tj}|tu r8t}n|rBd}nt}d } t|�rb|dd � }|} |�r~|�|�\} } }| rb| |kr�qb| |kr�| r�t | �\} } | |kr�t | ||�} qb|} qbt | | �} zt� | �} W n |y� d }Y n0 t � | j�}|�s| } qb| |v �r@|| } | d u�r qb|�r2t� | � nt | |�d fS d || < t| t�| �||�\} }|�stt | |�d fS | || < qb| d fS ) Nr. rM rV r r r r3 rE FT)r/ r0 r7 r� r- �FileNotFoundErrorrP r � partitionr r rO rR rS rT r� �readlink)r2 �restr� �seenr# r! r" r� � ignored_error�maxlinksrp �_�newpathrU �is_linkr� r3 r3 r4 r� � sd r� �darwinc C s� | s t d��t�| �} t| t�r.d}d}d}n d}d}d}|du rH|}n t�|�}zrd d � t|��|�D �}d d � t| ��|�D �}tt||g��}|gt|�| ||d� }|s�|W S t |� W S t t t t fy� t�d | |� � Y n0 dS ) z#Return a relative version of a pathzno path specifiedrM r. rV r r r Nc S s g | ] }|r|�qS r3 r3 ��.0�xr3 r3 r4 � <listcomp>� r� zrelpath.<locals>.<listcomp>c S s g | ] }|r|�qS r3 r3 r� r3 r3 r4 r� � r� r+ )rQ r7 r8 r/ r0 r r rH r r r= r> r? �DeprecationWarningr@ rA ) r2 r� r! r# r" � start_list� path_listrJ �rel_listr3 r3 r4 r+ � s0 r+ c s2 | s t d��tttj| ��} t| d t�r4d�d� nd�d� zćfdd�| D �}z t�fd d �| D ��\}W n t y� t d �d �Y n0 � fd d�|D �}t|�}t |�}|}t |�D ]$\}}||| kr�|d |� } q�q�|r�n �d d� }|�� |� W S t t f�y, tjdg| �R � � Y n0 d S )zDGiven a sequence of path names, returns the longest common sub-path.z%commonpath() arg is an empty sequencer r. rM r r c s g | ]}|� � ��qS r3 )r )r� r2 �r# r3 r4 r� r� z commonpath.<locals>.<listcomp>c 3 s | ]}|d d� � kV qd S )NrE r3 )r� rC r� r3 r4 � <genexpr> r� z commonpath.<locals>.<genexpr>z%Can't mix absolute and relative pathsNc s g | ]}� fd d�|D ��qS )c s g | ]}|r|� kr|�qS r3 r3 )r� �c�r! r3 r4 r� r� z)commonpath.<locals>.<listcomp>.<listcomp>r3 )r� r9 r� r3 r4 r� r� r, )rQ �tupler; r7 r8 r/ r0 �set�min�max� enumerater r= r> r@ rA ) �paths� split_pathsr rY r[ �commonrJ r� �prefixr3 )r! r# r4 r, � s6 r, )N)(�__doc__r! r" r' r# r$ r% r& r( r7 �sysrR r@ �__all__r5 r r r r r rN r r r r r r r r� r� r� r r r r) r� �platformr* r+ r, r3 r3 r3 r4 �<module> sN *21' F )
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