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    ^+)hð  ã                   @   s„   d dl Z d dlZd dlZd dlZd dlZd dlZd dlmZ d dlm	Z	 d dl
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d dlmZ ddlmZ dd„ Zd	d
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r   c                 C   sH  t  dt¡ zt d¡ W n tjy   |  dtj¡ Y nw t	|ƒ}|  
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  ƒ S 1 sw   Y  d
S )zLFetch an egg needed for building.

    Use pip/wheel to fetch/build a wheel.z\setuptools.installer is deprecated. Requirements should be satisfied by a PEP 517 installer.Úwheelz,WARNING: The wheel package is not available.Úeasy_installZallow_hostszQthe `allow-hosts` option is not supported when using pip to install requirements.Z	PIP_QUIETZPIP_VERBOSEZPIP_INDEX_URLNÚ	index_urlr   r   z-mÚpipz--disable-pip-version-checkz	--no-depsz-wz--quietz--index-urlz--find-linksz*.whlr   zEGG-INFO)Úmetadata))ÚwarningsÚwarnr   Úpkg_resourcesÚget_distributionÚDistributionNotFoundZannouncer   ÚWARNÚstrip_markerZget_option_dictr   ÚosÚenvironr   Zdependency_linksÚextendÚpathÚrealpathZget_egg_cache_dirÚEnvironmentÚfind_distributionsÚcan_addÚtempfileÚTemporaryDirectoryÚsysÚ
executableÚappendÚurlr   Ú
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check_callÚCalledProcessErrorr   ÚglobÚjoinÚegg_nameZinstall_as_eggÚPathMetadataÚDistributionÚfrom_filename)ÚdistÚreqÚoptsÚquietr   r   Zeggs_dirÚenvironmentZegg_distZtmpdirÚcmdÚlinkÚer   Údist_locationZdist_metadatar   r   r   Úfetch_build_egg   sx   ýÿ

 þ€
ü
€ÿ
ÿÿ&är<   c                 C   s   t j t| ƒ¡} d| _| S )z«
    Return a new requirement without the environment marker to avoid
    calling pip with something like `babel; extra == "i18n"`, which
    would always be ignored.
    N)r   ÚRequirementÚparser   Úmarker)r4   r   r   r   r   _   s   r   )r-   r   r*   r&   r$   r   Ú	distutilsr   Zdistutils.errorsr   r   Zsetuptools.wheelr   Z_deprecation_warningr   r   r<   r   r   r   r   r   Ú<module>   s    H