U
    pdo                     @   s   d Z ddlZddlZddddddd	d
dddgZdd Zdd
 Zdd	 Zdd Zdd Zdd Z	dd Z
dd Zdd Zdd Zdd Zdd Zdd ZdS )z
Path operations common to more than one OS
Do not use directly.  The OS specific modules import the appropriate
functions from this module themselves.
    Ncommonprefixexistsgetatimegetctimegetmtimegetsizeisdirisfilesamefilesameopenfilesamestatc              	   C   s.   zt |  W n ttfk
r(   Y dS X dS )zDTest whether a path exists.  Returns False for broken symbolic linksFT)osstatOSError
ValueError)path r   !/usr/lib/python3.8/genericpath.pyr      s
    c              	   C   s6   zt | }W n ttfk
r(   Y dS X t|jS )z%Test whether a path is a regular fileF)r   r   r   r   S_ISREGst_mode)r   str   r   r   r	      s
    c              	   C   s6   zt | }W n ttfk
r(   Y dS X t|jS )z<Return true if the pathname refers to an existing directory.F)r   r   r   r   S_ISDIRr   )sr   r   r   r   r   '   s
    c                 C   s   t | jS )z1Return the size of a file, reported by os.stat().)r   r   st_sizefilenamer   r   r   r   0   s    c                 C   s   t | jS )zCReturn the last modification time of a file, reported by os.stat().)r   r   st_mtimer   r   r   r   r   5   s    c                 C   s   t | jS )z=Return the last access time of a file, reported by os.stat().)r   r   st_atimer   r   r   r   r   :   s    c                 C   s   t | jS )zAReturn the metadata change time of a file, reported by os.stat().)r   r   st_ctimer   r   r   r   r   ?   s    c                 C   sl   | sdS t | d ttfs*tttj| } t| }t| }t|D ]$\}}||| krB|d|   S qB|S )zGGiven a list of pathnames, returns the longest common leading component r   N)	
isinstancelisttuplemapr   fspathminmax	enumerate)ms1s2icr   r   r   r   E   s     c                 C   s   | j |j ko| j|jkS )z5Test whether two stat buffers reference the same file)st_inost_dev)r)   r*   r   r   r   r   W   s    
c                 C   s   t | }t |}t||S )zTest whether two pathnames reference the same actual file or directory

    This is determined by the device number and i-node number and
    raises an exception if an os.stat() call on either pathname fails.
    )r   r   r   )f1f2r)   r*   r   r   r   r
   ^   s    

c                 C   s   t | }t |}t||S )z:Test whether two open file objects reference the same file)r   fstatr   )fp1fp2r)   r*   r   r   r   r   k   s    

c                 C   s   |  |}|r"|  |}t||}|  |}||krz|d }||k rz| ||d  |krp| d| | |d fS |d7 }q<| | dd fS )zSplit the extension from a pathname.

    Extension is everything from the last dot to the end, ignoring
    leading dots.  Returns "(root, ext)"; ext may be empty.   Nr   )rfindr&   )psepaltsepextsepsepIndexaltsepIndexdotIndexfilenameIndexr   r   r   	_splitexty   s    




r>   c                 G   s`   d }}|D ]<}t |tr d}qt |tr0d}qt|  d|jjd q|r\|r\tdd d S )NFTz;() argument must be str, bytes, or os.PathLike object, not z.Can't mix strings and bytes in path components)r    strbytes	TypeError	__class____name__)funcnameargshasstrhasbytesr   r   r   r   _check_arg_types   s    

rH   )__doc__r   r   __all__r   r	   r   r   r   r   r   r   r   r
   r   r>   rH   r   r   r   r   <module>   s.   
    	