B
    `’»d5  ã               @   s,   d dl Z G dd„ dƒZdZeeeƒ ¡  dS )é    Nc               @   s@   e Zd ZdZddd„Zedd„ ƒZddd	„Zd
d„ Zdd„ Z	dS )ÚVendorImporterz„
    A PEP 302 meta path importer for finding optionally-vendored
    or otherwise naturally-installed packages from root_name.
    © Nc             C   s&   || _ t|ƒ| _|p| dd¡| _d S )NZexternÚ_vendor)Ú	root_nameÚsetÚvendored_namesÚreplaceÚ
vendor_pkg)Úselfr   r   r	   r   r   úA/tmp/pip-unpacked-wheel-k1jh9j23/pkg_resources/extern/__init__.pyÚ__init__
   s    
zVendorImporter.__init__c             c   s   | j d V  dV  dS )zL
        Search first the vendor package then as a natural package.
        Ú.Ú N)r	   )r
   r   r   r   Úsearch_path   s    zVendorImporter.search_pathc             C   s8   |  | jd ¡\}}}|rdS tt|j| jƒƒs4dS | S )z†
        Return self when fullname starts with root_name and the
        target module is one vendored through this importer.
        r   N)Ú	partitionr   ÚanyÚmapÚ
startswithr   )r
   ÚfullnameÚpathÚrootÚbaseÚtargetr   r   r   Úfind_module   s    zVendorImporter.find_modulec          	   C   sz   |  | jd ¡\}}}x^| jD ]B}y(|| }t|ƒ tj| }|tj|< |S  tk
r^   Y qX qW tdjf tƒ Žƒ‚dS )zK
        Iterate over the search path to locate and load fullname.
        r   z•The '{target}' package is required; normally this is bundled with this package so if you get this warning, consult the packager of your distribution.N)	r   r   r   Ú
__import__ÚsysÚmodulesÚImportErrorÚformatÚlocals)r
   r   r   r   r   ÚprefixZextantÚmodr   r   r   Úload_module#   s    


zVendorImporter.load_modulec             C   s   | t jkrt j | ¡ dS )zR
        Install this importer into sys.meta_path if not already present.
        N)r   Ú	meta_pathÚappend)r
   r   r   r   Úinstall9   s    
zVendorImporter.install)r   N)N)
Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   Úpropertyr   r   r"   r%   r   r   r   r   r      s   

r   )Ú	packagingÚ	pyparsingÚsixÚappdirs)r   r   Únamesr&   r%   r   r   r   r   Ú<module>   s   =