U
    d                     @   s   d dl Z d dlZd dlZd dlZd dlmZmZmZmZm	Z	m
Z
mZ ddlmZmZmZ dddgZG dd de jd	ZG d
d deZeG dd deZG dd deZdS )    N)AnyBinaryIOIterableIteratorNoReturnTextOptional   )runtime_checkableProtocolStrPathResourceReaderTraversableTraversableResourcesc                   @   sj   e Zd ZdZejeedddZejeedddZ	ejee
ddd	Zejee d
ddZdS )r   zDAbstract base class for loaders to provide resource reading support.resourcereturnc                 C   s   t dS )zReturn an opened, file-like object for binary reading.

        The 'resource' argument is expected to represent only a file name.
        If the resource cannot be found, FileNotFoundError is raised.
        NFileNotFoundErrorselfr    r   ;/tmp/pip-unpacked-wheel-6jp1x26f/importlib_resources/abc.pyopen_resource   s    
zResourceReader.open_resourcec                 C   s   t dS )zReturn the file system path to the specified resource.

        The 'resource' argument is expected to represent only a file name.
        If the resource does not exist on the file system, raise
        FileNotFoundError.
        Nr   r   r   r   r   resource_path   s    zResourceReader.resource_pathpathr   c                 C   s   t dS )zjReturn True if the named 'path' is a resource.

        Files are resources, directories are not.
        Nr   r   r   r   r   r   is_resource)   s    zResourceReader.is_resourcer   c                 C   s   t dS )z+Return an iterable of entries in `package`.Nr   r   r   r   r   contents1   s    zResourceReader.contentsN)__name__
__module____qualname____doc__abcabstractmethodr   r   r   r   boolr   r   strr!   r   r   r   r   r      s   )	metaclassc                   @   s   e Zd ZdS )TraversalErrorN)r"   r#   r$   r   r   r   r   r+   7   s   r+   c                   @   s   e Zd ZdZejed  dddZedddZ	de
e edd	d
ZejedddZejedddZed dddZed dddZejdddZeejedddZdS )r   z
    An object with a subset of pathlib.Path methods suitable for
    traversing directories and opening files.

    Any exceptions that occur when accessing the backing resource
    may propagate unaltered.
    r   c                 C   s   dS )z3
        Yield Traversable objects in self
        Nr   r    r   r   r   iterdirE   s    zTraversable.iterdirc              
   C   s*   |  d}| W  5 Q R  S Q R X dS )z0
        Read contents of self as bytes
        rbNopenread)r   strmr   r   r   
read_bytesK   s    zTraversable.read_bytesN)encodingr   c              
   C   s,   | j |d}| W  5 Q R  S Q R X dS )z/
        Read contents of self as text
        )r3   Nr.   )r   r3   r1   r   r   r   	read_textR   s    zTraversable.read_textc                 C   s   dS )z4
        Return True if self is a directory
        Nr   r    r   r   r   is_dirY   s    zTraversable.is_dirc                 C   s   dS )z/
        Return True if self is a file
        Nr   r    r   r   r   is_file_   s    zTraversable.is_file)descendantsr   c                    s   |s| S t jdd ttj|D }t|  fdd|  D }zt|}W n$ tk
rt   t	d t
|Y nX |j| S )z
        Return Traversable resolved with any descendants applied.

        Each descendant should be a path segment relative to self
        and each may contain multiple levels separated by
        ``posixpath.sep`` (``/``).
        c                 s   s   | ]}|j V  qd S N)parts).0r   r   r   r   	<genexpr>o   s    z'Traversable.joinpath.<locals>.<genexpr>c                 3   s   | ]}|j  kr|V  qd S r8   name)r:   Ztraversabletargetr   r   r;   s   s    
 z"Target not found during traversal.)	itertoolschainfrom_iterablemappathlibPurePosixPathnextr,   StopIterationr+   listjoinpath)r   r7   namesmatchesmatchr   r>   r   rI   e   s$    

  
zTraversable.joinpath)childr   c                 C   s
   |  |S )z2
        Return Traversable child in self
        )rI   )r   rM   r   r   r   __truediv__~   s    zTraversable.__truediv__rc                 O   s   dS )z
        mode may be 'r' or 'rb' to open as text or binary. Return a handle
        suitable for reading (same as pathlib.Path.open).

        When opening as text, accepts encoding parameters such as those
        accepted by io.TextIOWrapper.
        Nr   )r   modeargskwargsr   r   r   r/      s    zTraversable.openc                 C   s   dS )zM
        The base name of this object without any parent references.
        Nr   r    r   r   r   r=      s    zTraversable.name)N)rO   )r"   r#   r$   r%   r&   r'   r   r,   bytesr2   r   r)   r4   r(   r5   r6   r   rI   rN   r/   propertyr=   r   r   r   r   r   ;   s    	c                   @   sh   e Zd ZdZejddddZeej	dddZ
eedd	d
ZeedddZee dddZdS )r   zI
    The required interface for providing traversable
    resources.
    r   r   c                 C   s   dS )z3Return a Traversable object for the loaded package.Nr   r    r   r   r   files   s    zTraversableResources.filesr   c                 C   s   |   |dS )Nr-   )rU   rI   r/   r   r   r   r   r      s    z"TraversableResources.open_resourcec                 C   s   t |d S r8   r   r   r   r   r   r      s    z"TraversableResources.resource_pathr   c                 C   s   |   | S r8   )rU   rI   r6   r   r   r   r   r      s    z TraversableResources.is_resourcec                 C   s   dd |    D S )Nc                 s   s   | ]}|j V  qd S r8   r<   )r:   itemr   r   r   r;      s     z0TraversableResources.contents.<locals>.<genexpr>)rU   r,   r    r   r   r   r!      s    zTraversableResources.contentsN)r"   r#   r$   r%   r&   r'   rU   r   ioBufferedReaderr   r   r   r   r(   r   r   r)   r!   r   r   r   r   r      s   )r&   rW   r@   rD   typingr   r   r   r   r   r   r   _compatr
   r   r   __all__ABCMetar   	Exceptionr+   r   r   r   r   r   r   <module>   s   $
*Z