ó
b]c           @   s  d  Z  d d l Z d d l Z d d l Z d d l m Z d d l m Z m Z d d l	 m
 Z
 d d l m Z m Z d d l m Z m Z m Z d d l m Z d d	 l m Z m Z d d
 l m Z d d l m Z d d l m Z d d l m Z m Z d d l  m! Z! d d l" m# Z# d d l$ m% Z% e! rud d l& m' Z' m( Z( m) Z) m* Z* m+ Z+ m, Z, d d l- m. Z. n  d d d g Z/ e j0 e1 ƒ Z2 e
 j3 j4 ƒ  Z5 d „  Z6 d „  Z7 d „  Z8 d d e: d d e: d „ Z; d d e: d d e: d d „ Z< d e: d d d „ Z= d S(   s~  Backing implementation for InstallRequirement's various constructors

The idea here is that these formed a major chunk of InstallRequirement's size
so, moving them and support code dedicated to them outside of that class
helps creates for better understandability for the rest of the code.

These are meant to be used elsewhere within pip to create instances of
InstallRequirement.
iÿÿÿÿN(   t   Marker(   t   InvalidRequirementt   Requirement(   t	   Specifier(   t   RequirementParseErrort   parse_requirements(   t   is_archive_filet   is_urlt   url_to_path(   t   InstallationError(   t   PyPIt   TestPyPI(   t   Link(   t   make_pyproject_path(   t   InstallRequirement(   t   is_installable_dirt   path_to_url(   t   MYPY_CHECK_RUNNING(   t   vcs(   t   Wheel(   t   Anyt   Dictt   Optionalt   Sett   Tuplet   Union(   t
   WheelCachet   install_req_from_editablet   install_req_from_linet   parse_editablec         C   sO   t  j d |  ƒ } d  } | r? | j d ƒ } | j d ƒ } n |  } | | f S(   Ns   ^(.+)(\[[^\]]+\])$i   i   (   t   ret   matcht   Nonet   group(   t   patht   mt   extrast   path_no_extras(    (    s=   lib/python2.7/site-packages/pip/_internal/req/constructors.pyt   _strip_extras/   s    c         C   s  |  } t  | ƒ \ } } t j j | ƒ r¯ t j j t j j | d ƒ ƒ s  d j t j j | ƒ ƒ } t | ƒ } t j j	 | ƒ r‘ | d 7} n  t
 | ƒ ‚ n  t | ƒ } n  | j ƒ  j d ƒ r	t | ƒ j } | rù | | t d | j ƒ  ƒ j f S| | d f Sn  x; t D]3 } | j ƒ  j d | ƒ rd | | f } PqqWd | k rkt
 d	 j |  ƒ ƒ ‚ n  | j d d
 ƒ d j ƒ  } t j | ƒ sÝd |  d j g  t j D] }	 |	 j d ^ q­ƒ d }
 t
 |
 ƒ ‚ n  t | ƒ j } | st
 d |  ƒ ‚ n  | | d f S(   s   Parses an editable requirement into:
        - a requirement name
        - an URL
        - extras
        - editable options
    Accepted requirements:
        svn+http://blahblah@rev#egg=Foobar[baz]&subdirectory=version_subdir
        .[some_extra]
    s   setup.pysM   File "setup.py" not found. Directory cannot be installed in editable mode: {}sb   
(A "pyproject.toml" file was found, but editable mode currently requires a setup.py based build.)s   file:t   placeholders   %s:s   %s+%st   +s   {} is not a valid editable requirement. It should either be a path to a local project or a VCS URL (beginning with svn+, git+, hg+, or bzr+).i   i    s   For --editable=%s only s   , s   +URLs    is currently supportedsZ   Could not detect requirement name for '%s', please specify one with #egg=your_package_nameN(   R&   t   osR"   t   isdirt   existst   joint   formatt   abspathR   t   isfileR	   R   t   lowert
   startswithR   t   egg_fragmentR   R$   R    R   t   splitt   get_backendt   backendst   name(   t   editable_reqt   urlt   url_no_extrasR$   t   msgt   pyproject_patht   package_namet   version_controlt   vc_typet   backendt   error_message(    (    s=   lib/python2.7/site-packages/pip/_internal/req/constructors.pyR   <   sL    !
1c         C   s®   d } t  j j |  ƒ rœ d } yP t |  d ƒ ; } t t | j ƒ  ƒ ƒ | d d |  d d d 7} Wd	 QXWqª t k
 r˜ t j	 d
 |  d t
 ƒqª Xn | d |  7} | S(   s„   Returns helpful msg in case requirements file does not exist,
    or cannot be parsed.

    :params req: Requirements file path
    t    s    It does exist.t   rs    The argument you provided s   (%s) appears to be as"    requirements file. If that is thes#    case, use the '-r' flag to installs"    the packages specified within it.Ns2   Cannot parse '%s' as requirements             filet   exc_infos    File '%s' does not exist.(   R)   R"   R+   t   opent   nextR   t   readR   t   loggert   debugt   True(   t   reqR:   t   fp(    (    s=   lib/python2.7/site-packages/pip/_internal/req/constructors.pyt   deduce_helpful_msg†   s    c         C   sÝ   t  |  ƒ \ } } }	 | j d ƒ r3 t | ƒ }
 n d  }
 | d  k	 r| y t | ƒ } Wq‚ t k
 rx t d | ƒ ‚ q‚ Xn d  } t | | d |
 d t d t	 | ƒ d | d | d | d	 | rÄ | n i  d
 | d |	 pÙ d ƒ	S(   Ns   file:s   Invalid requirement: '%s't
   source_dirt   editablet   linkt
   constraintt
   use_pep517t   isolatedt   optionst   wheel_cacheR$   (    (
   R   R1   R   R    R   R   R	   R   RI   R   (   R7   t
   comes_fromRQ   RR   RS   RT   RP   R6   R8   t   extras_overrideRM   RJ   (    (    s=   lib/python2.7/site-packages/pip/_internal/req/constructors.pyR   ¥   s(    
c            s·  t  |  ƒ r d } n d } | |  k ri |  j | d ƒ \ }  }	 |	 j ƒ  }	 |	 sZ d }
 qo t |	 ƒ }
 n d }
 |  j ƒ  }  d ‰  t j j t j j |  ƒ ƒ } d } d } t  |  ƒ rÆ t	 |  ƒ } né t
 | ƒ \ } } t j j | ƒ o,t j j |  k p,t j j d k	 r t j j |  k p,|  j d ƒ } | rit | ƒ sTt d |  ƒ ‚ n  t	 t | ƒ ƒ } nF t | ƒ r¯t j j | ƒ sšt j d |  ƒ n  t	 t | ƒ ƒ } n  | rF| j d k r	t j d | j ƒ r	t	 t t j j t j j | j ƒ ƒ ƒ ƒ } n  | j r:t | j ƒ } d	 | j | j f ‰  qL| j ‰  n |  ‰  | rnt  d
 | j! ƒ  ƒ j" } n d } ˆ  d k	 rhy t  ˆ  ƒ } Wqnt# k
 rdt j j ˆ  k rËd } | t$ ˆ  ƒ 7} n8 d ˆ  k rýt% ‡  f d †  t& Dƒ ƒ rýd } n d } | d k rd } n d j' | ƒ } d j' ˆ  | ƒ } | rU| d j' | ƒ 7} n  t | ƒ ‚ qnXn d } t( | | d | d |
 d | d | d | rž| n i  d | d | d | ƒS(   s  Creates an InstallRequirement from a name, which might be a
    requirement, directory containing 'setup.py', filename, or URL.

    :param line_source: An optional string describing where the line is from,
        for logging purposes in case of an error.
    s   ; t   ;i   t   .sO   Directory %r is not installable. Neither 'setup.py' nor 'pyproject.toml' found.sA   Requirement %r looks like a filename, but the file does not existt   files   \.\./s   %s==%sR'   s   It looks like a path.t   =c         3   s   |  ] } | ˆ  k Vq d  S(   N(    (   t   .0t   op(   t   req_as_string(    s=   lib/python2.7/site-packages/pip/_internal/req/constructors.pys	   <genexpr>%  s    s,   = is not a valid operator. Did you mean == ?RA   s
    (from {})s   Invalid requirement: {!r}{}s	   
Hint: {}RO   t   markersRQ   RR   RS   RT   RP   R$   N(    ()   R   R3   t   stripR    R    R)   R"   t   normpathR.   R   R&   R*   t   sept   altsepR1   R   R	   R   R   R/   RG   t   warningt   schemeR   t   searchR8   t   is_wheelR   t   filenameR6   t   versionR2   R   R0   R$   R   RL   t   anyt	   operatorsR-   R   (   R6   RU   RQ   RR   RS   RT   RP   t   line_sourcet
   marker_sept   markers_as_stringR^   R"   RO   t   extras_as_stringt   pt   looks_like_dirt   wheelR$   RJ   t   add_msgt   sourceR:   (    (   R]   s=   lib/python2.7/site-packages/pip/_internal/req/constructors.pyR   É   s    		$
$-			c      	   C   s«   y t  |  ƒ } Wn! t k
 r3 t d |  ƒ ‚ n Xt j t j g } | j rŒ | rŒ | j rŒ | j j | k rŒ t d | j	 | f ƒ ‚ n  t
 | | d | d | d | ƒS(   Ns   Invalid requirement: '%s'sk   Packages installed from PyPI cannot depend on packages which are not also hosted on PyPI.
%s depends on %s RR   RT   RQ   (   R   R   R	   R
   t   file_storage_domainR   R8   RO   t   netlocR6   R   (   t
   req_stringRU   RR   RT   RQ   RJ   t   domains_not_allowed(    (    s=   lib/python2.7/site-packages/pip/_internal/req/constructors.pyt   install_req_from_req_string@  s    (>   t   __doc__t   loggingR)   R   t   pip._vendor.packaging.markersR    t"   pip._vendor.packaging.requirementsR   R   t    pip._vendor.packaging.specifiersR   t   pip._vendor.pkg_resourcesR   R   t   pip._internal.downloadR   R   R   t   pip._internal.exceptionsR	   t   pip._internal.models.indexR
   R   t   pip._internal.models.linkR   t   pip._internal.pyprojectR   t   pip._internal.req.req_installR   t   pip._internal.utils.miscR   R   t   pip._internal.utils.typingR   t   pip._internal.vcsR   t   pip._internal.wheelR   t   typingR   R   R   R   R   R   t   pip._internal.cacheR   t   __all__t	   getLoggert   __name__RG   t
   _operatorst   keysRj   R&   R   RL   R    t   FalseR   R   Rx   (    (    (    s=   lib/python2.7/site-packages/pip/_internal/req/constructors.pyt   <module>	   sX   .			J	!q