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Return all distribution names known by an index.
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A class to work around a bug in some Python 3.2.x releases.
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A base class for locators - things that locate distributions.
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Initialise an instance.
:param scheme: Because locators look for most recent versions, they
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Return any errors which have occurred.
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Clear any errors which may have been logged.
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For a given project, get a dictionary mapping available versions to Distribution
instances.
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If called from a locate() request, self.matcher will be set to a
matcher for the requirement to satisfy, otherwise it will be None.
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Return all the distribution names known to this locator.
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For a given project, get a dictionary mapping available versions to Distribution
instances.
This calls _get_project to do all the work, and just implements a caching layer on top.
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Give an url a score which can be used to choose preferred URLs
for a given project release.
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Choose one of two URLs where both are candidates for distribution
archives for the same version of a distribution (for example,
.tar.gz vs. zip).
The current implementation favours https:// URLs over http://, archives
from PyPI over those from other locations, wheel compatibility (if a
wheel) and then the archive name.
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Attempt to split a filename in project name, version and Python version.
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See if a URL is a candidate for a download URL for a project (the URL
has typically been scraped from an HTML page).
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"filename" and "url"; otherwise, None is returned.
c S s t | � t | � k S( N( R ( t name1t name2( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyt same_project� s s egg=s %s: version hint in fragment: %ri����t /s .whls Wheel not compatible: %sR] t versionRv R. R( s , t .i s python-versions invalid path for wheel: %ss Not downloadable: %ss No match for project/version: %ss %s_digestN( NN( R% R t lowert
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Get a digest from a dictionary by looking at a "digests" dictionary
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Update a result dictionary (the final result from _get_project) with a
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Find the most recent distribution which matches the given
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distribution could be located.
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This locator uses XML-RPC to locate distributions. It therefore
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Initialise an instance.
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:param kwargs: Passed to the superclass constructor.
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Return all the distribution names known to this locator.
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This locator uses PyPI's JSON interface. It's very limited in functionality
and probably not worth using.
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Return all the distribution names known to this locator.
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This class represents a scraped HTML page.
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Initialise an instance with the Unicode page contents and the URL they
came from.
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Return the URLs of all the links on a page together with information
about their "rel" attribute, for determining which ones to treat as
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A locator which scrapes HTML pages to locate downloads for a distribution.
This runs multiple threads to do the I/O; performance is at least as good
as pip's PackageFinder, which works in an analogous fashion.
t deflatec C s t j d t t � � j � S( Nt fileobj( t gzipt GzipFileR R� R� ( t b( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR� T R. R� c C s | S( N( ( R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR� U R. t nonei
c K s� t t | � j | � t | � | _ | | _ i | _ t � | _ t j
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Initialise an instance.
:param url: The root URL to use for scraping.
:param timeout: The timeout, in seconds, to be applied to requests.
This defaults to ``None`` (no timeout specified).
:param num_workers: The number of worker threads you want to do I/O,
This defaults to 10.
:param kwargs: Passed to the superclass.
N( R� R� RK R R� R# t _page_cacheR� t _seenR RI t _to_fetcht
_bad_hostsRN t skip_externalst num_workerst threadingt RLockt _lockt _gplockt platform_check( R5 R( R# R� R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyRK X s
c C sc g | _ xS t | j � D]B } t j d | j � } | j t � | j � | j j | � q Wd S( s�
Threads are created only when get_project is called, and terminate
before it returns. They are there primarily to parallelise I/O (i.e.
fetching web pages).
t targetN(
t _threadst rangeR� R� t Threadt _fetcht setDaemonRe t startRO ( R5 t iRj ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyt _prepare_threadss s
c C sO x! | j D] } | j j d � q
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Tell all the threads to terminate (by sending a sentinel value) and
wait for them to do so.
N( R R� R� R% R� ( R5 Rj ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyt
_wait_threads� s
c C s� i i d 6i d 6} | j �� | | _ | | _ t | j d t | � � } | j j � | j j � | j � z1 t
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| � | j j � Wd | j � X| ` Wd QX| S( NR� R� s %s/s Queueing %s( R� RR Rw R R� R R� RV R� R Ro Rp R� R� R� R ( R5 R] RR R( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR^ � s
s< \b(linux_(i\d86|x86_64|arm\w+)|win(32|_amd64)|macosx_?\d+)\bc C s | j j | � S( sD
Does an URL refer to a platform-specific download?
( t platform_dependentR� ( R5 R( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyt _is_platform_dependent� s c C sy | j r! | j | � r! d } n | j | | j � } t j d | | � | ru | j � | j | j | � Wd QXn | S( s%
See if an URL is a suitable download for a project.
If it is, register information in the result dictionary (for
_get_project) about the specific version it's for.
Note that the return value isn't actually used other than as a boolean
value.
s process_download: %s -> %sN(
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Determine whether a link URL from a referring page and with a
particular "rel" attribute should be queued for scraping.
t homepaget downloadt httpRa t ftpt :i i t localhosts# should_queue: %s (%s) from %s -> %s( R R
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_should_queue� s*
c C s8 x1t r3| j j � } z� y� | r� | j | � } | d k rE w n x� | j D]� \ } } | | j k rO y_ | j j | � | j | � r� | j | | | � r� t
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Get a URL to fetch from the work queue, get the HTML page, examine its
links for download candidates and candidates for further scraping.
This is a handy method to run in a thread.
s Queueing %s from %sN( Re R� RM t get_pageR% R� R� R� R R Ro Rp R� R R� RJ R
RQ ( R5 R( t pageR R� RS ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR � s.
c C s� t | � \ } } } } } } | d k rZ t j j t | � � rZ t t | � d � } n | | j k r� | j | } t j d | | � nK| j
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Get the HTML for an URL, possibly from an in-memory cache.
XXX TODO Note: this cache is never actually cleared. It's assumed that
the data won't get stale over the lifetime of a locator instance (not
necessarily true for the default_locator).
t files
index.htmls Returning %s from cache: %sR i i s Skipping %s due to bad host %sR: t identitys Accept-encodings Fetching %sR# s
Fetched %ss Content-TypeR. s Content-Encodings utf-8s latin-1i� s Fetch failed: %s: %sN(% R t osRd t isdirR R R R� Ro Rp R R% R� R RG R� R# R� RM t HTML_CONTENT_TYPER� t geturlR� t decoderst CHARSETR� R� R� t UnicodeErrorR� R R8 R� R R� R� R� ( R5 R( R0 Ri Rd R RR R R6 R� R: t content_typet final_urlR� t encodingt decoderR� RS ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR � s\ $
s <a href=[^>]*>([^<]+)<c C sq t � } | j | j � } | s7 t d | j � � n x3 | j j | j � D] } | j | j d � � qM W| S( sJ
Return all the distribution names known to this locator.
s Unable to get %si ( R� R R� R t _distname_reR� R� R� R� ( R5 RR R R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR_ 7 s N( R> R? R@ t zlibt
decompressR R% RK R R R^ R� R� R� R R
R R R R R' R_ ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR� J s$
! ;t DirectoryLocatorc B s2 e Z d Z d � Z d � Z d � Z d � Z RS( s?
This class locates distributions in a directory tree.
c K so | j d t � | _ t t | � j | � t j j | � } t j j | � sb t
d | � � n | | _ d S( s�
Initialise an instance.
:param path: The root of the directory tree to search.
:param kwargs: Passed to the superclass constructor,
except for:
* recursive - if True (the default), subdirectories are
recursed into. If False, only the top-level directory
is searched,
t recursives Not a directory: %rN( R� Re R+ R� R* RK R Rd t abspathR R t base_dir( R5 Rd R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyRK H s
c C s | j | j � S( s�
Should a filename be considered as a candidate for a distribution
archive? As well as the filename, the directory which contains it
is provided, though not used by the current implementation.
( Rf Rg ( R5 Rv t parent( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyt should_includeY s c C s� i i d 6i d 6} x� t j | j � D]� \ } } } x� | D]� } | j | | � r= t j j | | � } t d d t t j j | � � d d d f � } | j | | � } | r� | j
| | � q� q= q= W| j s' Pq' q' W| S( NR� R� R R. ( R t walkR- R/ Rd R� R R R, R� R� R+ ( R5 R] RR t roott dirst filest fnR( R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR^ a s "
c C s� t � } x� t j | j � D]� \ } } } x� | D]� } | j | | � r2 t j j | | � } t d d t t j j | � � d d d f � } | j
| d � } | r� | j | d � q� q2 q2 W| j
s Pq q W| S( sJ
Return all the distribution names known to this locator.
R R. R] N( R� R R0 R- R/ Rd R� R R R, R� R% R� R+ ( R5 RR R1 R2 R3 R4 R( R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR_ q s "
( R> R? R@ RK R/ R^ R_ ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR* C s
t JSONLocatorc B s e Z d Z d � Z d � Z RS( s
This locator uses special extended metadata (not available on PyPI) and is
the basis of performant dependency resolution in distlib. Other locators
require archive downloads before dependencies can be determined! As you
might imagine, that can be slow.
c C s t d � � d S( sJ
Return all the distribution names known to this locator.
s Not available from this locatorN( R\ ( R5 ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR_ � s c C sB i i d 6i d 6} t | � } | r>x| j d g � D]� } | d d k s9 | d d k re q9 n t | d | d d
| j d
d � d | j �} | j } | d
| _ d | k r� | d r� d | d f | _ n | j d i � | _ | j d i � | _ | | | j <| d j
| j t � � j | d
� q9 Wn | S( NR� R� R3 t ptypet sdistt pyversiont sourceR] R| R� s Placeholder for summaryR0 R( R� R� t requirementst exports(
R RM R R0 R� R� R� t dependenciesR; R| R� R� R� ( R5 R] RR R� R� R� R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR^ � s&
.( R> R? R@ R_ R^ ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR5 � s t DistPathLocatorc B s e Z d Z d � Z d � Z RS( s�
This locator finds installed distributions in a path. It can be useful for
adding to an :class:`AggregatingLocator`.
c K s8 t t | � j | � t | t � s+ t � | | _ d S( ss
Initialise an instance.
:param distpath: A :class:`DistributionPath` instance to search.
N( R� R= RK t
isinstanceR t AssertionErrort distpath( R5 R@ R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyRK � s c C s� | j j | � } | d k r5 i i d 6i d 6} nG i | | j 6i t | j g � | j 6d 6i t d g � | j 6d 6} | S( NR� R� ( R@ t get_distributionR% R| R� R� ( R5 R] R� RR ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR^ � s
( R> R? R@ RK R^ ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR= � s
t AggregatingLocatorc B sP e Z d Z d � Z d � Z d � Z e e j j e � Z d � Z
d � Z RS( sI
This class allows you to chain and/or merge a list of locators.
c O s8 | j d t � | _ | | _ t t | � j | � d S( s�
Initialise an instance.
:param locators: The list of locators to search.
:param kwargs: Passed to the superclass constructor,
except for:
* merge - if False (the default), the first successful
search from any of the locators is returned. If True,
the results from all locators are merged (this can be
slow).
t mergeN( R� RN RC t locatorsR� RB RK ( R5 RD R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyRK � s c C s5 t t | � j � x | j D] } | j � q Wd S( N( R� RB RW RD ( R5 R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyRW � s c C s* | | _ x | j D] } | | _ q Wd S( N( RX RD R0 ( R5 RZ R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR[ � s c C s] i } xP| j D]E} | j | � } | r | j r� | j d i � } | j d i � } | j | � | j d � } | r� | r� xF | j � D]5 \ } } | | k r� | | c | O<q� | | | <q� Wn | j d � }
| rR|
rR|
j | � qRqU| j d k rt } n3 t } x* | D]" } | j j
| � r t } Pq q W| rU| } PqUq q W| S( NR� R� ( RD R` RC RM t updateR� RH R% Re RN R� ( R5 R] RR R� R� R3 R� t dfR� R� t ddt found( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR^ � s8
c C sI t � } x9 | j D]. } y | | j � O} Wq t k
r@ q Xq W| S( sJ
Return all the distribution names known to this locator.
( R� RD R_ R\ ( R5 RR R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyR_ s
( R> R? R@ RK RW R[ R� RD R0 t fgetR^ R_ ( ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyRB � s ,s https://pypi.org/simple/R# g @R0 t legacys1 (?P<name>[\w-]+)\s*\(\s*(==\s*)?(?P<ver>[^)]+)\)$t DependencyFinderc B sV e Z d Z d d � Z d � Z d � Z d � Z d � Z d � Z d e
d � Z RS( s0
Locate dependencies for distributions.
c C s( | p t | _ t | j j � | _ d S( sf
Initialise an instance, using the specified locator
to locate distributions.
N( t default_locatorR� R R0 ( R5 R� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyRK 1 s c C s� t j d | � | j } | | j | <| | j | | j f <x^ | j D]S } t | � \ } } t j d | | | � | j j | t
� � j | | f � qF Wd S( s�
Add a distribution to the finder. This will update internal information
about who provides what.
:param dist: The distribution to add.
s adding distribution %ss Add to provided: %s, %s, %sN( Ro Rp R< t
dists_by_namet distsR| t providesR t providedR� R� R� ( R5 R� R] t pR| ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyt add_distribution9 s
c C s� t j d | � | j } | j | =| j | | j f =xl | j D]a } t | � \ } } t j d | | | � | j | } | j | | f � | s@ | j | =q@ q@ Wd S( s�
Remove a distribution from the finder. This will update internal
information about who provides what.
:param dist: The distribution to remove.
s removing distribution %ss Remove from provided: %s, %s, %sN(
Ro Rp R< RM RN R| RO R RP t remove( R5 R� R] RQ R| t s( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyt remove_distributionH s
c C sP y | j j | � } Wn3 t k
rK | j � d } | j j | � } n X| S( s�
Get a version matcher for a requirement.
:param reqt: The requirement
:type reqt: str
:return: A version matcher (an instance of
:class:`distlib.version.Matcher`).
i ( R0 RH R R ( R5 t reqtRH R] ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyt get_matcherZ s
c C s� | j | � } | j } t � } | j } | | k r� x_ | | D]P \ } } y | j | � } Wn t k
ry t } n X| rA | j | � PqA qA Wn | S( s�
Find the distributions which can fulfill a requirement.
:param reqt: The requirement.
:type reqt: str
:return: A set of distribution which can fulfill the requirement.
( RW R< R� RP R� R RN R� ( R5 RV RH R] RR RP R| t providerR� ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyt find_providersj s
c C s� | j | } t � } x? | D]7 } | j | � } | j | j � s | j | � q q W| r� | j d | | t | � f � t } nZ | j | � | j | =x- | D]% } | j j | t � � j | � q� W| j
| � t } | S( s�
Attempt to replace one provider with another. This is typically used
when resolving dependencies from multiple sources, e.g. A requires
(B >= 1.0) while C requires (B >= 1.1).
For successful replacement, ``provider`` must meet all the requirements
which ``other`` fulfills.
:param provider: The provider we are trying to replace with.
:param other: The provider we're trying to replace.
:param problems: If False is returned, this will contain what
problems prevented replacement. This is currently
a tuple of the literal string 'cantreplace',
``provider``, ``other`` and the set of requirements
that ``provider`` couldn't fulfill.
:return: True if we can replace ``other`` with ``provider``, else
False.
t cantreplace( t reqtsR� RW R� R| R� t frozensetRN RU R� RR Re ( R5 RX t othert problemst rlistt unmatchedRT RH RR ( ( s� /builddir/build/BUILDROOT/alt-python27-pip-20.2.4-5.el8.x86_64/opt/alt/python27/lib/python2.7/site-packages/pip/_vendor/distlib/locators.pyt try_to_replace� s"
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Find a distribution and all distributions it depends on.
:param requirement: The requirement specifying the distribution to
find, or a Distribution instance.
:param meta_extras: A list of meta extras such as :test:, :build: and
so on.
:param prereleases: If ``True``, allow pre-release versions to be
returned - otherwise, don't return prereleases
unless they're all that's available.
Return a set of :class:`Distribution` instances and a set of
problems.
The distributions returned should be such that they have the
:attr:`required` attribute set to ``True`` if they were
from the ``requirement`` passed to ``find()``, and they have the
:attr:`build_time_dependency` attribute set to ``True`` unless they
are post-installation dependencies of the ``requirement``.
The problems should be a tuple consisting of the string
``'unsatisfied'`` and the requirement which couldn't be satisfied
by any distribution known to the locator.
s :*:s :test:s :build:s :dev:s passed %s as requirementR� s Unable to locate %rs
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