/usr/lib/python2.7/site-packages/pip/_vendor/distlib
Edit: /usr/lib/python2.7/site-packages/pip/_vendor/distlib/database.pyo (49350B)
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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
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Add a distribution to the cache.
:param dist: The distribution to add.
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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
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Represents a set of distributions installed on a path (typically sys.path).
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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
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_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
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Clears the internal cache.
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Yield .dist-info and/or .egg(-info) distributions.
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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.
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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``
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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
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Return the path to a resource file.
u no distribution named %r foundN( R[ R! t LookupErrort get_resource_path( R R t
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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
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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
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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
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Initialise an instance.
:param metadata: The instance of :class:`Metadata` describing this
distribution.
N(
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The source archive download URL for this distribution.
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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
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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_ (
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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
( 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
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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
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rd d l } | j n X| d k | _ d S( Niu 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
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c C s d | j | j | j f S( Nu# ( 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 } | | \ } } }
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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
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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 } }
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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
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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 | | | 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! ( 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
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Iterates over the ``installed-files.txt`` entries and returns a tuple
``(path, hash, size)`` for each line.
:returns: a list of (path, hash, size)
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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(
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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.
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"%s" -> "%s"
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u label = "Disconnected"
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