B
    `d                 @   s   d dl Z d dlmZmZmZmZmZmZ d dlm	Z	 d dl
mZ yd dlmZ W n ek
rh   eZY nX e	rd dlmZ d dlmZ d dlmZ e eZd	d
 ZdddZdd ZdS )    N)DIRECT_URL_METADATA_NAMEArchiveInfo	DirectUrlDirectUrlValidationErrorDirInfoVcsInfo)MYPY_CHECK_RUNNING)vcs)JSONDecodeError)Optional)Link)Distributionc             C   s   |    |d }g }t| jtr>|d| jj| j| jj7 }nTt| jtrl|| j7 }| jj	r|
| jj	 n&t| jts|t| jjrt|| j7 }| jr|
d| j  |r|dd| 7 }|S )z0Convert a DirectUrl to a pip requirement string.z @ z{}+{}@{}zsubdirectory=#&)validate
isinstanceinfor   formatr	   url	commit_idr   hashappendr   AssertionErroreditablesubdirectoryjoin)
direct_urlnamerequirement	fragments r    J/tmp/pip-unpacked-wheel-hu9qqap1/pip/_internal/utils/direct_url_helpers.py%direct_url_as_pep440_direct_reference   s$    

r"   Fc       
      C   s   | j rlt| j}|st|| j\}}}|r>|s8t|}n|sFt||}t|t	|j
||d| jdS |  rt| jt | jdS d }| j}	|	rd|	| j}t| jt|d| jdS d S )N)r	   r   requested_revision)r   r   r   z{}={})r   )is_vcsr	   get_backend_for_schemeschemer   get_url_rev_and_authurl_without_fragmentget_revisionr   r   r   subdirectory_fragmentis_existing_dirr   	hash_namer   r   r   )
link
source_dirlink_is_in_wheel_cachevcs_backendr   r#   _r   r   r,   r    r    r!   direct_url_from_link:   s:    


r2   c          
   C   s^   |  tsdS yt| tS  tttfk
rX } zt	dt| j
| dS d}~X Y nX dS )zObtain a DirectUrl from a pkg_resource.Distribution.

    Returns None if the distribution has no `direct_url.json` metadata,
    or if `direct_url.json` is invalid.
    NzError parsing %s for %s: %s)has_metadatar   r   	from_jsonget_metadatar   r
   UnicodeDecodeErrorloggerwarningproject_name)dister    r    r!   dist_get_direct_urll   s    
r<   )NF)loggingpip._internal.models.direct_urlr   r   r   r   r   r   pip._internal.utils.typingr   pip._internal.vcsr	   jsonr
   ImportError
ValueErrortypingr   pip._internal.models.linkr   Zpip._vendor.pkg_resourcesr   	getLogger__name__r7   r"   r2   r<   r    r    r    r!   <module>   s    


2