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Z0 d# e( f d$ � � YZ1 d% d& � Z2 d' � Z3 d( � Z4 d) � Z5 d S(* u PEP 376 implementation.i����( t unicode_literalsNi ( t DistlibExceptiont resources( t StringIO( t get_schemet UnsupportedVersionError( t Metadatat METADATA_FILENAMEt WHEEL_METADATA_FILENAME( t parse_requirementt cached_propertyt parse_name_and_versiont read_exportst write_exportst CSVReadert CSVWriteru Distributionu BaseInstalledDistributionu InstalledDistributionu EggInfoDistributionu DistributionPathu pydist-exports.jsonu pydist-commands.jsonu INSTALLERu RECORDu REQUESTEDu RESOURCESu SHAREDu .dist-infot _Cachec B s) e Z d Z d � Z d � Z d � Z RS( uL A simple cache mapping names and .dist-info paths to distributions c C s i | _ i | _ t | _ d S( uZ Initialise an instance. There is normally one for each DistributionPath. N( t namet patht Falset generated( t self( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt __init__0 s c C s' | j j � | j j � t | _ d S( uC Clear the cache, setting it to its initial state. N( R t clearR R R ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR 8 s c C sH | j | j k rD | | j | j <| j j | j g � j | � n d S( u` Add a distribution to the cache. :param dist: The distribution to add. N( R R t setdefaultt keyt append( R t dist( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt add@ s ( t __name__t __module__t __doc__R R R ( ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR , s t DistributionPathc B s� e Z d Z d e d � Z d � Z d � Z e e e � Z d � Z d � Z d � Z e d � � Z d � Z d � Z d d � Z d � Z d d � Z RS( uU Represents a set of distributions installed on a path (typically sys.path). c C sg | d k r t j } n | | _ t | _ | | _ t � | _ t � | _ t | _ t d � | _ d S( u� Create an instance from a path, optionally including legacy (distutils/ setuptools/distribute) distributions. :param path: The path to use, as a list of directories. If not specified, sys.path is used. :param include_egg: If True, this instance will look for and return legacy distributions as well as those based on PEP 376. u defaultN( t Nonet sysR t Truet _include_distt _include_eggR t _cachet _cache_eggt _cache_enabledR t _scheme( R R t include_egg( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR N s c C s | j S( N( R( ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt _get_cache_enabledb s c C s | | _ d S( N( R( ( R t value( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt _set_cache_enablede s c C s | j j � | j j � d S( u, Clears the internal cache. N( R& R R' ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt clear_cachej s c c s� t � } x�| j D]�} t j | � } | d k r: q n | j d � } | s | j r` q n t | j � } x^| D]V} | j | � } | sv | j | k r� qv n | j r}| j t � r}t t g } x< | D]1 } t j | | � } | j | � } | r� Pq� q� Wqv t j | j � � � } t d | d d � } Wd QXt j d | j � | j | j � t | j d | d | �Vqv | j rv | j d � rv t j d | j � | j | j � t | j | � Vqv qv Wq Wd S( uD Yield .dist-info and/or .egg(-info) distributions. u t fileobjt schemeu legacyNu Found %st metadatat envu .egg-infou .egg( u .egg-infou .egg( t setR R t finder_for_pathR! t findt is_containert sortedR$ t endswitht DISTINFO_EXTR R t posixpatht joint contextlibt closingt as_streamR t loggert debugR t new_dist_classR% t old_dist_class( R t seenR t findert rt rsett entryt possible_filenamest metadata_filenamet metadata_patht pydistt streamR1 ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt _yield_distributionsr s@ c C s� | j j } | j o | j j } | s/ | r� xF | j � D]8 } t | t � rd | j j | � q< | j j | � q< W| r� t | j _ n | r� t | j _ q� n d S( uk Scan the path for distributions and populate the cache with those that are found. N( R& R R% R' RM t isinstancet InstalledDistributionR R# ( R t gen_distt gen_eggR ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt _generate_cache� s c C s) | j d d � } d j | | g � t S( uo The *name* and *version* parameters are converted into their filename-escaped form, i.e. any ``'-'`` characters are replaced with ``'_'`` other than the one in ``'dist-info'`` and the one separating the name from the version number. :parameter name: is converted to a standard distribution name by replacing any runs of non- alphanumeric characters with a single ``'-'``. :type name: string :parameter version: is converted to a standard version string. Spaces become dots, and all other non-alphanumeric characters (except dots) become dashes, with runs of multiple dashes condensed to a single dash. :type version: string :returns: directory name :rtype: stringu -u _( t replaceR; R9 ( t clsR t version( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt distinfo_dirname� s c c s� | j s( xv | j � D] } | Vq WnZ | j � x | j j j � D] } | VqE W| j r� x" | j j j � D] } | Vqp Wn d S( u5 Provides an iterator that looks for distributions and returns :class:`InstalledDistribution` or :class:`EggInfoDistribution` instances for each one of them. :rtype: iterator of :class:`InstalledDistribution` and :class:`EggInfoDistribution` instances N( R( RM RR R& R t valuesR% R' ( R R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt get_distributions� s c C s� d } | j � } | j sN x� | j � D] } | j | k r( | } Pq( q( Wne | j � | | j j k r� | j j | d } n2 | j r� | | j j k r� | j j | d } n | S( u= Looks for a named distribution on the path. This function only returns the first result found, as no more than one value is expected. If nothing is found, ``None`` is returned. :rtype: :class:`InstalledDistribution`, :class:`EggInfoDistribution` or ``None`` i N( R! t lowerR( RM R RR R& R R% R' ( R R t resultR ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt get_distribution� s c c s� d } | d k r_ y | j j d | | f � } Wq_ t k r[ t d | | f � � q_ Xn x� | j � D]z } | j } xh | D]` } t | � \ } } | d k r� | | k r� | VPq� q� | | k r� | j | � r� | VPq� q� Wql Wd S( u Iterates over all distributions to find which distributions provide *name*. If a *version* is provided, it will be used to filter the results. This function only returns the first result found, since no more than one values are expected. If the directory is not found, returns ``None``. :parameter version: a version specifier that indicates the version required, conforming to the format in ``PEP-345`` :type name: string :type version: string u %s (%s)u invalid name or version: %r, %rN( R! R) t matchert ValueErrorR RX t providesR t match( R R RU R\ R t providedt pt p_namet p_ver( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt provides_distribution� s$ c C s; | j | � } | d k r. t d | � � n | j | � S( u5 Return the path to a resource file. u no distribution named %r foundN( R[ R! t LookupErrort get_resource_path( R R t relative_pathR ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt get_file_path s c c s� xy | j � D]k } | j } | | k r | | } | d k rY | | k ru | | Vqu qx x | j � D] } | Vqf Wq q Wd S( u� Return all of the exported entries in a particular category. :param category: The category to search for entries. :param name: If specified, only entries with that name are returned. N( RX t exportsR! RW ( R t categoryR R RE t dt v( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt get_exported_entries" s N( R R R R! R R R+ R- t propertyt cache_enabledR. RM RR t classmethodRV RX R[ Rd Rh Rm ( ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR J s * $ t Distributionc B s� e Z d Z e Z e Z d � Z e d � � Z e Z e d � � Z e d � � Z d � Z e d � � Z e d � � Z e d � � Z e d � � Z e d � � Z d � Z d � Z d � Z d � Z RS( u� A base class for distributions, whether installed or from indexes. Either way, it must have some metadata, so that's all that's needed for construction. c C sp | | _ | j | _ | j j � | _ | j | _ d | _ d | _ d | _ d | _ t � | _ i | _ d S( u� Initialise an instance. :param metadata: The instance of :class:`Metadata` describing this distribution. N( R1 R RY R RU R! t locatort digestt extrast contextR3 t download_urlst digests( R R1 ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR G s c C s | j j S( uH The source archive download URL for this distribution. ( R1 t source_url( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyRx X s c C s d | j | j f S( uX A utility property which displays the name and version in parentheses. u %s (%s)( R RU ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt name_and_versiona s c C sB | j j } d | j | j f } | | k r> | j | � n | S( u� A set of distribution names and versions provided by this distribution. :return: A set of "name (version)" strings. u %s (%s)( R1 R^ R RU R ( R t plistt s( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR^ h s c C sS | j } t j d | j � � t | | � } t | j | d | j d | j �� S( Nu% Getting requirements from metadata %rRt R2 ( R1 R? R@ t todictt getattrR3 t get_requirementsRt Ru ( R t req_attrt mdt reqts( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt _get_requirementst s c C s | j d � S( Nu run_requires( R� ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt run_requires{ s c C s | j d � S( Nu meta_requires( R� ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt meta_requires s c C s | j d � S( Nu build_requires( R� ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt build_requires� s c C s | j d � S( Nu test_requires( R� ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt test_requires� s c C s | j d � S( Nu dev_requires( R� ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt dev_requires� s c C s� t | � } t | j j � } y | j | j � } Wn@ t k rv t j d | � | j � d } | j | � } n X| j } t } x] | j D]R } t | � \ } } | | k r� q� n y | j | � } PWq� t k r� q� Xq� W| S( u� Say if this instance matches (fulfills) a requirement. :param req: The requirement to match. :rtype req: str :return: True if it matches, else False. u+ could not read version %r - using name onlyi ( R R R1 R0 R\ t requirementR R? t warningt splitR R R^ R R_ ( R t reqRE R0 R\ R RZ Ra Rb Rc ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt matches_requirement� s* c C s6 | j r d | j } n d } d | j | j | f S( uC Return a textual representation of this instance, u [%s]u u <Distribution %s (%s)%s>( Rx R RU ( R t suffix( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt __repr__� s c C s[ t | � t | � k r! t } n6 | j | j k oT | j | j k oT | j | j k } | S( u< See if this distribution is the same as another. :param other: The distribution to compare with. To be equal to one another. distributions must have the same type, name, version and source_url. :return: True if it is the same, else False. ( t typeR R RU Rx ( R t otherRZ ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt __eq__� s c C s' t | j � t | j � t | j � S( uH Compute hash in a way which matches the equality test. ( t hashR RU Rx ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt __hash__� s ( R R R R t build_time_dependencyt requestedR Rn Rx t download_urlRy R^ R� R� R� R� R� R� R� R� R� R� ( ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyRq 5 s$ " t BaseInstalledDistributionc B s, e Z d Z d Z d d � Z d d � Z RS( u] This is the base class for installed distributions (whether PEP 376 or legacy). c C s, t t | � j | � | | _ | | _ d S( u Initialise an instance. :param metadata: An instance of :class:`Metadata` which describes the distribution. This will normally have been initialised from a metadata file in the ``path``. :param path: The path of the ``.dist-info`` or ``.egg-info`` directory for the distribution. :param env: This is normally the :class:`DistributionPath` instance where this distribution was found. N( t superR� R R t dist_path( R R1 R R2 ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR � s c C s� | d k r | j } n | d k r6 t j } d } n t t | � } d | j } | | � j � } t j | � j d � j d � } d | | f S( u� Get the hash of some data, using a particular hash algorithm, if specified. :param data: The data to be hashed. :type data: bytes :param hasher: The name of a hash implementation, supported by hashlib, or ``None``. Examples of valid values are ``'sha1'``, ``'sha224'``, ``'sha384'``, '``sha256'``, ``'md5'`` and ``'sha512'``. If no hasher is specified, the ``hasher`` attribute of the :class:`InstalledDistribution` instance is used. If the hasher is determined to be ``None``, MD5 is used as the hashing algorithm. :returns: The hash of the data. If a hasher was explicitly specified, the returned hash will be prefixed with the specified hasher followed by '='. :rtype: str u u %s=t =u asciiu %s%sN( R! t hashert hashlibt md5R} Rs t base64t urlsafe_b64encodet rstript decode( R t dataR� t prefixRs ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt get_hash� s !N( R R R R! R� R R� ( ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� � s RO c B s� e Z d Z d Z d d d � Z d � Z d � Z d � Z e d � � Z d � Z d � Z d � Z d � Z e d � Z d � Z e d � � Z e d � Z d � Z d � Z d � Z d � Z e j Z RS( u Created with the *path* of the ``.dist-info`` directory provided to the constructor. It reads the metadata contained in ``pydist.json`` when it is instantiated., or uses a passed in Metadata instance (useful for when dry-run mode is being used). u sha256c C s� t j | � | _ } | d k r; d d l } | j � n | rr | j rr | | j j k rr | j j | j } n� | d k r$| j t � } | d k r� | j t � } n | d k r� | j d � } n | d k r� t d t | f � � n t j | j � � � } t d | d d � } Wd QXn t t | � j | | | � | rb| j rb| j j | � n y | j d � } Wn' t k r�d d l } | j � n X| d k | _ d S( Ni����u METADATAu no %s found in %sR/ R0 u legacyu REQUESTED( R R4 RD R! t pdbt set_traceR( R& R R1 R5 R R R] R< R= R> R R� RO R R t AttributeErrorR� ( R R R1 R2 RD R� RE RL ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR s4 ! c C s d | j | j | j f S( Nu# <InstalledDistribution %r %s at %r>( R RU R ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� 2 s c C s d | j | j f S( Nu %s %s( R RU ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt __str__6 s c C s� g } | j d � } t j | j � � �� } t d | � �i } x_ | D]W } g t t | � d � D] } d ^ qb } | | \ } } } | j | | | f � qF WWd QXWd QX| S( u" Get the list of installed files for the distribution :return: A list of tuples of path, hash and size. Note that hash and size might be ``None`` for some entries. The path is exactly as stored in the file (which is as in PEP 376). u RECORDRL i N( t get_distinfo_resourceR< R= R> R t ranget lenR! R ( R t resultsRE RL t record_readert rowt it missingR t checksumt size( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt _get_records9 s (&c C s. i } | j t � } | r* | j � } n | S( u Return the information exported by this distribution. :return: A dictionary of exports, mapping an export category to a dict of :class:`ExportEntry` instances describing the individual export entries, and keyed by name. ( R� t EXPORTS_FILENAMER ( R RZ RE ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyRi P s c C sL i } | j t � } | rH t j | j � � � } t | � } Wd QXn | S( u� Read exports data from a file in .ini format. :return: A dictionary of exports, mapping an export category to a list of :class:`ExportEntry` instances describing the individual export entries. N( R� R� R< R= R> R ( R RZ RE RL ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR ^ s c C s8 | j t � } t | d � � } t | | � Wd QXd S( u Write a dictionary of exports to a file in .ini format. :param exports: A dictionary of exports, mapping an export category to a list of :class:`ExportEntry` instances describing the individual export entries. u wN( t get_distinfo_fileR� t openR ( R Ri t rft f( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR m s c C s� | j d � } t j | j � � �F } t d | � �. } x$ | D] \ } } | | k r@ | Sq@ WWd QXWd QXt d | � � d S( uW NOTE: This API may change in the future. Return the absolute path to a resource file with the given relative path. :param relative_path: The path, relative to .dist-info, of the resource of interest. :return: The absolute path where the resource is to be found. u RESOURCESRL Nu3 no resource file with relative path %r is installed( R� R< R= R> R t KeyError( R Rg RE RL t resources_readert relativet destination( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyRf x s c c s x | j � D] } | Vq Wd S( u� Iterates over the ``RECORD`` entries and returns a tuple ``(path, hash, size)`` for each line. :returns: iterator of (path, hash, size) N( R� ( R RZ ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt list_installed_files� s c C s� t j j | d � } t j j | j � } | j | � } t j j | d � } | j d � } t j d | � | rw d St | � �} x� | D]� } t j j | � s� | j d � r� d } } nC d t j j | � } t | d � � } | j | j � � } Wd QX| j | � s(| r@| j | � r@t j j | | � } n | j | | | f � q� W| j | � r�t j j | | � } n | j | d d f � Wd QX| S( u� Writes the ``RECORD`` file, using the ``paths`` iterable passed in. Any existing ``RECORD`` file is silently overwritten. prefix is used to determine when to write absolute paths. u u RECORDu creating %su .pycu .pyou %du rbN( u .pycu .pyo( t osR R; t dirnamet startswithR� R? t infoR! R t isdirR8 t getsizeR� R� t readt relpatht writerow( R t pathsR� t dry_runt baset base_under_prefixt record_patht writerR t hash_valueR� t fp( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt write_installed_files� s. ! c C s� g } t j j | j � } | j d � } xn| j � D]`\ } } } t j j | � sp t j j | | � } n | | k r� q7 n t j j | � s� | j | d t t f � q7 t j j | � r7 t t j j | � � } | r| | k r| j | d | | f � q�| r�d | k r3| j d d � d } n d } t | d � �G } | j | j � | � } | | k r�| j | d | | f � n Wd QXq�q7 q7 W| S( u� Checks that the hashes and sizes of the files in ``RECORD`` are matched by the files themselves. Returns a (possibly empty) list of mismatches. Each entry in the mismatch list will be a tuple consisting of the path, 'exists', 'size' or 'hash' according to what didn't match (existence is checked first, then size, then hash), the expected value and the actual value. u RECORDu existsu sizeu =i i u rbu hashN( R� R R� R� R� t isabsR; t existsR R# R t isfilet strR� R� R! R� R� R� ( R t mismatchesR� R� R R� R� t actual_sizeR� R� t actual_hash( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt check_installed_files� s. ,c C s� i } t j j | j d � } t j j | � r� t j | d d d �� } | j � j � } Wd QXx[ | D]P } | j d d � \ } } | d k r� | j | g � j | � qj | | | <qj Wn | S( u� A dictionary of shared locations whose keys are in the set 'prefix', 'purelib', 'platlib', 'scripts', 'headers', 'data' and 'namespace'. The corresponding value is the absolute path of that category for this distribution, and takes into account any paths selected by the user at installation time (e.g. via command-line arguments). In the case of the 'namespace' key, this would be a list of absolute paths for the roots of namespace packages in this distribution. The first time this property is accessed, the relevant information is read from the SHARED file in the .dist-info directory. u SHAREDu rt encodingu utf-8Nu =i u namespace( R� R R; R� t codecsR� R� t splitlinesR� R R ( R RZ t shared_pathR� t linest lineR R, ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt shared_locations� s c C s� t j j | j d � } t j d | � | r2 d Sg } xH d D]@ } | | } t j j | | � r? | j d | | f � q? q? Wx+ | j d d � D] } | j d | � q� Wt j | d d d �� } | j d j | � � Wd QX| S( ua Write shared location information to the SHARED file in .dist-info. :param paths: A dictionary as described in the documentation for :meth:`shared_locations`. :param dry_run: If True, the action is logged but no file is actually written. :return: The path of the file written to. u SHAREDu creating %su prefixu libu headersu scriptsu datau %s=%su namespaceu namespace=%su wR� u utf-8u N( u prefixu libu headersu scriptsu data( ( R� R R; R? R� R! R� R t getR� R� t write( R R� R� R� R� R R t nsR� ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt write_shared_locations� s c C si | t k r( t d | | j f � � n t j | j � } | d k r\ t d | j � � n | j | � S( Nu+ invalid path for a dist-info file: %r at %ru Unable to get a finder for %s( t DIST_FILESR R R R4 R! R5 ( R R RD ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� s c C s� | j t j � d k rx | j t j � d \ } } | | j j t j � d k rx t d | | j | j f � � qx n | t k r� t d | | j f � � n t j j | j | � S( u� Returns a path located under the ``.dist-info`` directory. Returns a string representing the path. :parameter path: a ``'/'``-separated path relative to the ``.dist-info`` directory or an absolute path; If *path* is an absolute path and doesn't start with the ``.dist-info`` directory path, a :class:`DistlibException` is raised :type path: str :rtype: str i i����i����u; dist-info file %r does not belong to the %r %s distributionu+ invalid path for a dist-info file: %r at %r( R5 R� t sepR� R R R RU R� R; ( R R RV ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� s c c s} t j j | j � } xa | j � D]S \ } } } t j j | � s[ t j j | | � } n | j | j � r" | Vq" q" Wd S( u� Iterates over the ``RECORD`` entries and returns paths for each line if the path is pointing to a file located in the ``.dist-info`` directory or one of its subdirectories. :returns: iterator of paths N( R� R R� R� R� R; R� ( R R� R R� R� ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt list_distinfo_files6 s c C s t | t � o | j | j k S( N( RN RO R ( R R� ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� F s N( R R R R� R! R R� R� R� R Ri R R Rf R� R R� R� R� R� R� R� R� R� t objectR� ( ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyRO s( # # t EggInfoDistributionc B sq e Z d Z e Z i Z d d � Z d � Z d � Z d � Z d � Z d � Z e d � Z d � Z e j Z RS( u Created with the *path* of the ``.egg-info`` directory or file provided to the constructor. It reads the metadata contained in the file itself, or if the given path happens to be a directory, the metadata is read from the file ``PKG-INFO`` under that directory.c C s� d � } | | _ | | _ | rh | j rh | | j j k rh | j j | j } | | | j | j � nG | j | � } | | | j | j � | r� | j r� | j j | � n t t | � j | | | � d S( Nc S s% | | _ | j � | _ | | _ d S( N( R RY R RU ( R{ t nRl ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt set_name_and_versionX s ( R R� R( R' R1 R RU t _get_metadataR R� R� R ( R R R2 R� R1 ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR W s !c s� d } d � � � f d � } | j d � rt j j | � r� t j j | d d � } t d | d d � } t j j | d d � } | | � } q�t j | � } t | j d � j d � � } t d | d d � } y( | j d � } � | j d � � } Wq�t k rd } q�Xn� | j d � r�t j j | � rtt j j | d � } | | � } t j j | d � } n t d | d d � } n t d | � � | r�| j | � n | S( Nc S s� g } | j � } x� | D]� } | j � } | j d � rN t j d | � Pn t | � } | sv t j d | � q n | j r� t j d � n | j s� | j | j � q d j d � | j D� � } | j d | j | f � q W| S( u� Create a list of dependencies from a requires.txt file. *data*: the contents of a setuptools-produced requires.txt file. u [u. Unexpected line: quitting requirement scan: %ru# Not recognised as a requirement: %ru4 extra requirements in requires.txt are not supportedu , c s s | ] } d | Vq d S( u %s%sN( ( t .0t c( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pys <genexpr>� s u %s (%s)( R� t stripR� R? R� R Rt t constraintsR R R; ( R� t reqsR� R� RE t cons( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt parse_requires_datao s& c sR g } y4 t j | d d � � } � | j � � } Wd QXWn t k rM n X| S( u� Create a list of dependencies from a requires.txt file. *req_path*: the path to a setuptools-produced requires.txt file. u ru utf-8N( R� R� R� t IOError( t req_pathR� R� ( R� ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt parse_requires_path� s u .eggu EGG-INFOu PKG-INFOR R0 u legacyu requires.txtu EGG-INFO/PKG-INFOu utf8R/ u EGG-INFO/requires.txtu utf-8u .egg-infou, path must end with .egg-info or .egg, got %r( R! R8 R� R R� R; R t zipimportt zipimporterR t get_dataR� R� R t add_requirements( R R t requiresR� t meta_pathR1 R� t zipfR/ R� ( ( R� s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� l s: c C s d | j | j | j f S( Nu! <EggInfoDistribution %r %s at %r>( R RU R ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� � s c C s d | j | j f S( Nu %s %s( R RU ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� � s c C s� g } t j j | j d � } t j j | � r� x` | j � D]O \ } } } | | k r^ q= n t j j | � s= | j | d t t f � q= q= Wn | S( u� Checks that the hashes and sizes of the files in ``RECORD`` are matched by the files themselves. Returns a (possibly empty) list of mismatches. Each entry in the mismatch list will be a tuple consisting of the path, 'exists', 'size' or 'hash' according to what didn't match (existence is checked first, then size, then hash), the expected value and the actual value. u installed-files.txtu exists( R� R R; R� R� R R# R ( R R� R� R t _( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� � s #c C s2 d � } d � } t j j | j d � } g } t j j | � r.t j | d d d ��� } x� | D]� } | j � } t j j t j j | j | � � } t j j | � s� t j d | � | j d � r� qd q� n t j j | � sd | j | | | � | | � f � qd qd WWd QX| j | d d f � n | S( u� Iterates over the ``installed-files.txt`` entries and returns a tuple ``(path, hash, size)`` for each line. :returns: a list of (path, hash, size) c S s@ t | d � } z | j � } Wd | j � Xt j | � j � S( Nu rb( R� R� t closeR� R� t hexdigest( R R� t content( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt _md5� s c S s t j | � j S( N( R� t statt st_size( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt _size� s u installed-files.txtu rR� u utf-8u Non-existent file: %su .pycu .pyoN( u .pycu .pyo( R� R R; R� R� R� R� t normpathR? R� R8 R� R R! ( R R R R� RZ R� R� Ra ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� � s" $ /c c s� t j j | j d � } t } t j | d d d ��� } x� | D] } | j � } | d k rj t } q@ n | s@ t j j t j j | j | � � } | j | j � r� | r� | Vq� | Vq� q@ q@ WWd QXd S( u Iterates over the ``installed-files.txt`` entries and returns paths for each line if the path is pointing to a file located in the ``.egg-info`` directory or one of its subdirectories. :parameter absolute: If *absolute* is ``True``, each returned path is transformed into a local absolute path. Otherwise the raw value from ``installed-files.txt`` is returned. :type absolute: boolean :returns: iterator of paths u installed-files.txtu rR� u utf-8u ./N( R� R R; R# R� R� R� R R R� ( R t absoluteR� t skipR� R� Ra ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� � s $c C s t | t � o | j | j k S( N( RN R� R ( R R� ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� s N( R R R R# R� R� R! R R� R� R� R� R� R R� R� R� R� ( ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� N s K & t DependencyGraphc B sh e Z d Z d � Z d � Z d d � Z d � Z d � Z d d � Z e d � Z d � Z d � Z RS( u� Represents a dependency graph between distributions. The dependency relationships are stored in an ``adjacency_list`` that maps distributions to a list of ``(other, label)`` tuples where ``other`` is a distribution and the edge is labeled with ``label`` (i.e. the version specifier, if such was provided). Also, for more efficient traversal, for every distribution ``x``, a list of predecessors is kept in ``reverse_list[x]``. An edge from distribution ``a`` to distribution ``b`` means that ``a`` depends on ``b``. If any missing dependencies are found, they are stored in ``missing``, which is a dictionary that maps distributions to a list of requirements that were not provided by any other distributions. c C s i | _ i | _ i | _ d S( N( t adjacency_listt reverse_listR� ( R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR . s c C s g | j | <g | j | <d S( u� Add the *distribution* to the graph. :type distribution: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` N( R R ( R t distribution( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt add_distribution3 s c C sH | j | j | | f � | | j | k rD | j | j | � n d S( u� Add an edge from distribution *x* to distribution *y* with the given *label*. :type x: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` :type y: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` :type label: ``str`` or ``None`` N( R R R ( R t xt yt label( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt add_edge= s c C s3 t j d | | � | j j | g � j | � d S( u Add a missing *requirement* for the given *distribution*. :type distribution: :class:`distutils2.database.InstalledDistribution` or :class:`distutils2.database.EggInfoDistribution` :type requirement: ``str`` u %s missing %rN( R? R@ R� R R ( R R R� ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt add_missingL s c C s d | j | j f S( Nu %s %s( R RU ( R R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt _repr_distW s i c C s� | j | � g } x� | j | D]� \ } } | j | � } | d k rZ d | | f } n | j d | t | � � | j | | d � } | j d � } | j | d � q Wd j | � S( u Prints only a subgraphu %s [%s]u i u N( R R R! R R� t repr_nodeR� t extendR; ( R R t levelt outputR� R t suboutputt subs( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR Z s c C sR g } | j d � x� | j j � D]� \ } } t | � d k rX | rX | j | � n x` | D]X \ } } | d k r� | j d | j | j | f � q_ | j d | j | j f � q_ Wq# W| rAt | � d k rA| j d � | j d � | j d � x/ | D]' } | j d | j � | j d � qW| j d � n | j d � d S( u9 Writes a DOT output for the graph to the provided file *f*. If *skip_disconnected* is set to ``True``, then all distributions that are not dependent on any other distribution are skipped. :type f: has to support ``file``-like operations :type skip_disconnected: ``bool`` u digraph dependencies { i u "%s" -> "%s" [label="%s"] u "%s" -> "%s" u subgraph disconnected { u label = "Disconnected" u bgcolor = red u "%s"u u } N( R� R t itemsR� R R! R ( R R� t skip_disconnectedt disconnectedR t adjsR� R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt to_dotg s& % c C s= g } i } x( | j j � D] \ } } | | | <q Wx� t r&g } x> t | j � � D]) \ } } | sZ | j | � | | =qZ qZ W| s� Pn xO | j � D]A \ } } g | D]$ \ } } | | k r� | | f ^ q� | | <q� Wt j d g | D] } d | j | j f ^ q� � | j | � q: W| t | j � � f S( ua Perform a topological sort of the graph. :return: A tuple, the first element of which is a topologically sorted list of distributions, and the second element of which is a list of distributions that cannot be sorted because they have circular dependencies and so form a cycle. u Moving to result: %su %s (%s)( R R R# t listR R? R@ R RU R t keys( R RZ t alistt kRl t to_removeRk RE ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt topological_sort� s$ 9 *c C sI g } x3 | j j � D]" \ } } | j | j | � � q Wd j | � S( u Representation of the graphu ( R R R R R; ( R R R R ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR� � s N( R R R R R R! R R R R R# R R" R� ( ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyR s u defaultc C s� t | � } t � } i } xv | D]n } | j | � xX | j D]M } t | � \ } } t j d | | | � | j | g � j | | f � q? Wq" Wx5| D]-} | j | j B| j B| j B} x| D]� } y | j | � } Wn@ t k r!t j d | � | j � d } | j | � } n X| j } t } | | k r�xk | | D]\ \ } } y | j | � } Wn t k r�t } n X| rH| j | | | � t } PqHqHWn | s� | j | | � q� q� Wq� W| S( u6 Makes a dependency graph from the given distributions. :parameter dists: a list of distributions :type dists: list of :class:`distutils2.database.InstalledDistribution` and :class:`distutils2.database.EggInfoDistribution` instances :rtype: a :class:`DependencyGraph` instance u Add to provided: %s, %s, %su+ could not read version %r - using name onlyi ( R R R R^ R R? R@ R R R� R� R� R� R\ R R� R� R R R_ R R# R ( t distsR0 t graphR` R Ra R RU R� R� R\ t matchedt providerR_ ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt make_graph� sD ' c C s� | | k r" t d | j � � n t | � } | g } | j | } xW | r� | j � } | j | � x1 | j | D]" } | | k rt | j | � qt qt WqG W| j d � | S( u� Recursively generate a list of distributions from *dists* that are dependent on *dist*. :param dists: a list of distributions :param dist: a distribution, member of *dists* for which we are interested u1 given distribution %r is not a member of the listi ( R R R' R t popR ( R# R R$ t dept todoRk t succ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt get_dependent_dists� s c C s� | | k r" t d | j � � n t | � } g } | j | } x[ | r� | j � d } | j | � x1 | j | D]" } | | k ru | j | � qu qu WqD W| S( u� Recursively generate a list of distributions from *dists* that are required by *dist*. :param dists: a list of distributions :param dist: a distribution, member of *dists* for which we are interested u1 given distribution %r is not a member of the listi ( R R R' R R( R ( R# R R$ R� R* Rk t pred( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt get_required_dists� s c K sI | j d d � } t | � } | | _ | | _ | p9 d | _ t | � S( uO A convenience method for making a dist given just a name and version. u summaryu Placeholder for summary( R( R R RU t summaryRq ( R RU t kwargsR/ R� ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt make_dist s (6 R t __future__R R� R� R< R� t loggingR� R: R" R� t R R t compatR RU R R R1 R R R t utilR R R R R R R t __all__t getLoggerR R? R� t COMMANDS_FILENAMER� R9 R� R R Rq R� RO R� RA RB R R' R, R. R1 ( ( ( s@ /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyt <module> sL 4 ��7� F�� 6
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