a 0hƐ@sdZddlmZddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl Z ddl Z ddl Z ddlZddlZddlmZmZddlmZddlmZddlmZddlmZdd lmZd d lmZd d lmZm Z d d l!m"Z"m#Z#d dl$m%Z%m&Z&d dl'm(Z(m)Z)m*Z*d dlm+Z+m,Z,d dl-m.Z.d dl/m0Z0m1Z1gdZ2Gddde3Z4GdddZ5Gdddej6Z7GdddZ8Gddde9Z:Gddde j;Zd$Z?Gd%d&d&eZ@Gd'd(d(ZAGd)d*d*ZBGd+d,d,ZCe#Gd-d.d.e"e@ZDGd/d0d0e?ZEd1d#d2d3d4ZFd5d6d7d8ZGd1d9d2d:d;ZHd1d1d2dZLdd6d?d@ZMd1dAd2dBdCZNd1dDd2dEdFZOdGd6dHdIZPdJdKZQddLdMdNdOZRdd1dMdPdQZSdRdSZTdS)Tz APIs exposing metadata from third-party Python packages. This codebase is shared between importlib.metadata in the stdlib and importlib_metadata in PyPI. See https://github.com/python/importlib_metadata/wiki/Development-Methodology for more detail. ) annotationsN)IterableMapping)suppress) import_module)MetaPathFinder)starmap)Any)_meta)FreezableDefaultDictPair) NullFinderinstall) method_cache pass_none)always_iterablebucketunique_everseen)PackageMetadata SimplePath)md_none)py39py311) DistributionDistributionFinderrPackageNotFoundErrorr distribution distributions entry_pointsfilesmetadatapackages_distributionsrequiresversionc@s0eZdZdZddddZeddddZdS) rzThe package was not found.strreturncCs d|jS)Nz"No package metadata was found for nameselfr,I/var/www/auris/lib/python3.9/site-packages/importlib_metadata/__init__.py__str__@szPackageNotFoundError.__str__cCs |j\}|SN)argsr+r)r,r,r-r)CszPackageNotFoundError.nameN)__name__ __module__ __qualname____doc__r.propertyr)r,r,r,r-r=src@sJeZdZdZedZeddZ e d ddZ e dd d d Z dS) Sectioneda A simple entry point config parser for performance >>> for item in Sectioned.read(Sectioned._sample): ... print(item) Pair(name='sec1', value='# comments ignored') Pair(name='sec1', value='a = 1') Pair(name='sec1', value='b = 2') Pair(name='sec2', value='a = 2') >>> res = Sectioned.section_pairs(Sectioned._sample) >>> item = next(res) >>> item.name 'sec1' >>> item.value Pair(name='a', value='1') >>> item = next(res) >>> item.value Pair(name='b', value='2') >>> item = next(res) >>> item.name 'sec2' >>> item.value Pair(name='a', value='2') >>> list(res) [] zm [sec1] # comments ignored a = 1 b = 2 [sec2] a = 2 cCsdd|j||jdDS)Ncss,|]$}|jdur|jt|jdVqdS)N)value)r)_replacer parser8).0sectionr,r,r- ts z*Sectioned.section_pairs..)filter_)readvalid)clstextr,r,r- section_pairsrszSectioned.section_pairsNccsXt|ttj|}d}|D]4}|do4|d}|rF|d}qt||VqdS)N[]z[])filtermapr%strip splitlines startswithendswithr )rBr>linesr)r8Z section_matchr,r,r-r?zs zSectioned.readr%linecCs|o|d S)N#)rJrMr,r,r-r@szSectioned.valid)N) r2r3r4r5textwrapdedentlstripZ_sample classmethodrC staticmethodr?r@r,r,r,r-r7Is   r7c@s&eZdZUded<ded<ded<dS)_EntryPointMatchr%moduleattrextrasN)r2r3r4__annotations__r,r,r,r-rUs rUc@seZdZUdZedZded<ded<ded<dZded <dddd d d d Z ddddZ e ddddZ e ddddZ e ddddZejddddZddZddZed d!Zd"d#Zd$d%Zd&d'Zd(d)Zd*d+Zd,dd-d.ZdS)/ EntryPointaAn entry point as defined by Python packaging conventions. See `the packaging docs on entry points `_ for more information. >>> ep = EntryPoint( ... name=None, group=None, value='package.module:attr [extra1, extra2]') >>> ep.module 'package.module' >>> ep.attr 'attr' >>> ep.extras ['extra1', 'extra2'] If the value package or module are not valid identifiers, a ValueError is raised on access. >>> EntryPoint(name=None, group=None, value='invalid-name').module Traceback (most recent call last): ... ValueError: ('Invalid object reference...invalid-name... >>> EntryPoint(name=None, group=None, value='invalid-name').attr Traceback (most recent call last): ... ValueError: ('Invalid object reference...invalid-name... >>> EntryPoint(name=None, group=None, value='invalid-name').extras Traceback (most recent call last): ... ValueError: ('Invalid object reference...invalid-name... The same thing happens on construction. >>> EntryPoint(name=None, group=None, value='invalid-name') Traceback (most recent call last): ... ValueError: ('Invalid object reference...invalid-name... zH(?P[\w.]+)\s*(:\s*(?P[\w.]+)\s*)?((?P\[.*\])\s*)?$r%r)r8groupNzDistribution | NonedistNone)r)r8r[r'cCst|j|||d|jdS)Nr)r8r[)varsupdaterV)r+r)r8r[r,r,r-__init__szEntryPoint.__init__r r&cCs.t|j}td|jpdd}tt||S)zLoad the entry point from its definition. If only a module is indicated by the value, return that module. Otherwise, return the named object. N.)rrVrFrWsplit functoolsreducegetattr)r+rVattrsr,r,r-loads zEntryPoint.loadcCs|jjSr/)_matchrVr*r,r,r-rVszEntryPoint.modulecCs|jjSr/)rjrWr*r,r,r-rWszEntryPoint.attr list[str]cCstd|jjpdS)Nz\w+rb)refindallrjrXr*r,r,r-rXszEntryPoint.extrasrUcCs0|j|j}|std|jtfi|S)NzlInvalid object reference. See https://packaging.python.org/en/latest/specifications/entry-points/#data-model)patternmatchr8 ValueErrorrU groupdict)r+ror,r,r-rjszEntryPoint._matchcCst|j|d|S)Nr\r_r`)r+r\r,r,r-_forszEntryPoint._forc s2|fdd|D}tttj||S)a$ EntryPoint matches the given parameters. >>> ep = EntryPoint(group='foo', name='bar', value='bing:bong [extra1, extra2]') >>> ep.matches(group='foo') True >>> ep.matches(name='bar', value='bing:bong [extra1, extra2]') True >>> ep.matches(group='foo', name='other') False >>> ep.matches() True >>> ep.matches(extras=['extra1', 'extra2']) True >>> ep.matches(module='bing') True >>> ep.matches(attr='bong') True c3s|]}t|VqdSr/rg)r;paramr*r,r-r=z%EntryPoint.matches..)_disallow_distallrGoperatoreqvalues)r+paramsrhr,r*r-matchess zEntryPoint.matchescCsd|vrtddS)a Querying by dist is not allowed (dist objects are not comparable). >>> EntryPoint(name='fan', value='fav', group='fag').matches(dist='foo') Traceback (most recent call last): ... ValueError: "dist" is not suitable for matching... r\zo"dist" is not suitable for matching. Instead, use Distribution.entry_points.select() on a located distribution.N)rpr}r,r,r-rxs zEntryPoint._disallow_distcCs|j|j|jfSr/r^r*r,r,r-_key%szEntryPoint._keycCs||kSr/rr+otherr,r,r-__lt__(szEntryPoint.__lt__cCs||kSr/rrr,r,r-__eq__+szEntryPoint.__eq__cCs tddS)Nz!EntryPoint objects are immutable.)AttributeError)r+r)r8r,r,r- __setattr__.szEntryPoint.__setattr__cCsd|jd|jd|jdS)NzEntryPoint(name=z, value=z, group=)r^r*r,r,r-__repr__1szEntryPoint.__repr__intcCs t|Sr/)hashrr*r,r,r-__hash__7szEntryPoint.__hash__)r2r3r4r5rlcompilernrYr\rarir6rVrWrXrecached_propertyrjrtr~rTrxrrrrrrr,r,r,r-rZs8 (    rZc@sveZdZdZdZdddddZdd Zdd d d Zed d ddZ ed d ddZ e ddZ e ddZdS) EntryPointszC An immutable collection of selectable EntryPoint objects. r,r%rZr)r'cCs6ztt|j|dWSty0t|Yn0dS)z; Get the EntryPoint in self matching name. r(N)nextiterselect StopIterationKeyErrorr1r,r,r- __getitem__Bs zEntryPoints.__getitem__cCsd|jjt|fS)zz Repr with classname and tuple constructor to signal that we deviate from regular tuple behavior. z%s(%r)) __class__r2tupler*r,r,r-rKszEntryPoints.__repr__r&c stfdd|DS)zv Select entry points from self that match the given parameters (typically group and/or name). c3s$|]}tj|fir|VqdSr/)rZ ep_matchesr;eprr,r-r=Wrwz%EntryPoints.select..)r)r+r}r,rr-rRszEntryPoints.selectzset[str]cCsdd|DS)zB Return the set of all names of all entry points. cSsh|] }|jqSr,r(rr,r,r- ^rwz$EntryPoints.names..r,r*r,r,r-namesYszEntryPoints.namescCsdd|DS)zC Return the set of all groups of all entry points. cSsh|] }|jqSr,)r[rr,r,r-rerwz%EntryPoints.groups..r,r*r,r,r-groups`szEntryPoints.groupscs|fdd||DS)Nc3s|]}|VqdSr/)rtrrrr,r-r=irwz-EntryPoints._from_text_for..) _from_text)rArBr\r,rrr-_from_text_forgszEntryPoints._from_text_forcCsddt|pdDS)Ncss&|]}t|jj|jj|jdVqdS)r^N)rZr8r))r;itemr,r,r-r=msz)EntryPoints._from_text..rb)r7rC)rBr,r,r-rks zEntryPoints._from_textN)r2r3r4r5 __slots__rrrr6rrrSrrTrr,r,r,r-r;s  rc@sXeZdZUdZded<ded<ded<dd d d d d Zd dddZddddZdS) PackagePathz"A reference to a path in a packagezFileHash | Nonerrsizerr\utf-8r%)encodingr'cCs|j|dS)Nr)locate read_text)r+rr,r,r-rzszPackagePath.read_textbytesr&cCs |Sr/)r read_bytesr*r,r,r- read_binary}szPackagePath.read_binaryrcCs |j|S)z'Return a path-like object for this path)r\ locate_filer*r,r,r-rszPackagePath.locateN)r)r2r3r4r5rYrrrr,r,r,r-rss rc@s*eZdZdddddZddddZd S) FileHashr%r])specr'cCs|d\|_}|_dS)N=) partitionmoder8)r+r_r,r,r-raszFileHash.__init__r&cCsd|jd|jdS)Nz)rr8r*r,r,r-rszFileHash.__repr__N)r2r3r4rarr,r,r,r-rsrc@seZdZdZejddddZejdddd d Zed dd d dZ edddddddZ e dddddZ e dddddZ e ddZeddddZe ed d d!d"d#Zed dd$d%Zed&d'Zed dd(d)Zed*dd+d,Zed-dd.d/Zd0d1Zd2d3Zd4d5Zed6dd7d8Zd9d:Zd;d<Zed=d>Ze d?d@ZedAdBZ dCdDZ!dS)EraF An abstract Python distribution package. Custom providers may derive from this class and define the abstract methods to provide a concrete implementation for their environment. Some providers may opt to override the default implementation of some properties to bypass the file-reading mechanism. str | Noner&cCsdS)aAttempt to load metadata file given by the name. Python distribution metadata is organized by blobs of text typically represented as "files" in the metadata directory (e.g. package-1.0.dist-info). These files include things like: - METADATA: The distribution metadata including fields like Name and Version and Description. - entry_points.txt: A series of entry points as defined in `the entry points spec `_. - RECORD: A record of files according to `this recording spec `_. A package may provide any set of files, including those not listed here or none at all. :param filename: The name of the file in the distribution info. :return: The text if found, otherwise None. Nr,r+filenamer,r,r-rszDistribution.read_textstr | os.PathLike[str]rpathr'cCsdS)a Given a path to a file in this distribution, return a SimplePath to it. This method is used by callers of ``Distribution.files()`` to locate files within the distribution. If it's possible for a Distribution to represent files in the distribution as ``SimplePath`` objects, it should implement this method to resolve such objects. Some Distribution providers may elect not to resolve SimplePath objects within the distribution by raising a NotImplementedError, but consumers of such a Distribution would be unable to invoke ``Distribution.files()``. Nr,r+rr,r,r-rszDistribution.locate_filer%rcCsH|s tdztt||j|dWStyBt|Yn0dS)aReturn the Distribution for the given package name. :param name: The name of the distribution package to search for. :return: The Distribution instance (or subclass thereof) for the named package, if found. :raises PackageNotFoundError: When the named package's distribution metadata cannot be found. :raises ValueError: When an invalid value is supplied for name. z A distribution name is required.r(N)rprr _prefer_validdiscoverrr)rAr)r,r,r- from_names  zDistribution.from_nameNcontextz!DistributionFinder.Context | NoneIterable[Distribution])rr'c sBr|rtdp"tjfi|tjfdd|DS)a:Return an iterable of Distribution objects for all packages. Pass a ``context`` or pass keyword arguments for constructing a context. :context: A ``DistributionFinder.Context`` object. :return: Iterable of Distribution objects for packages matching the context. z cannot accept context and kwargsc3s|]}|VqdSr/r,)r;resolverrr,r-r=sz(Distribution.discover..)rprContext itertoolschain from_iterable_discover_resolvers)rArkwargsr,rr-rs zDistribution.discover)distsr'cCs"t|dd}t|d|dS)z{ Prefer (move to the front) distributions that have metadata. Ref python/importlib_resources#489. cSs t|jSr/)boolr!rrr,r,r-rwz,Distribution._prefer_valid..TF)rrr)rZbucketsr,r,r-rszDistribution._prefer_validcCstt|S)zReturn a Distribution for the indicated metadata path. :param path: a string or path-like object :return: a concrete Distribution instance for the path )PathDistributionpathlibPathrr,r,r-atszDistribution.atcCsddtjD}td|S)z9Search the meta_path for resolvers (MetadataPathFinders).css|]}t|ddVqdS)find_distributionsNru)r;finderr,r,r-r=sz3Distribution._discover_resolvers..N)sys meta_pathrF)Zdeclaredr,r,r-rsz Distribution._discover_resolvers_meta.PackageMetadata | NonecCs(|dp|dp|d}||S)avReturn the parsed metadata for this Distribution. The returned object will have keys that name the various bits of metadata per the `Core metadata specifications `_. Custom providers may provide the METADATA file or override this property. METADATAzPKG-INFOrb)r_assemble_messager+rBr,r,r-r!s zDistribution.metadataz_meta.PackageMetadata)rBr'cCsddlm}|t|S)Nr ) _adapters)rbrMessageemailmessage_from_string)rBrr,r,r-rs zDistribution._assemble_messagecCst|jdS)z8Return the 'Name' metadata for the distribution package.Namerr!r*r,r,r-r) szDistribution.namecCs t|jS)z(Return a normalized version of the name.)Prepared normalizer)r*r,r,r-_normalized_name%szDistribution._normalized_namecCst|jdS)z;Return the 'Version' metadata for the distribution package.Versionrr*r,r,r-r$*szDistribution.versionrcCst|d|S)z Return EntryPoints for this distribution. Custom providers may provide the ``entry_points.txt`` file or override this property. zentry_points.txt)rrrr*r,r,r-r/szDistribution.entry_pointslist[PackagePath] | NonecsJdfdd tfdd}tdd}||pDpDS) a*Files in this distribution. :return: List of PackagePath for this distribution or None Result is `None` if the metadata file that enumerates files (i.e. RECORD for dist-info, or installed-files.txt or SOURCES.txt for egg-info) is missing. Result may be empty if the metadata exists but is empty. Custom providers are recommended to provide a "RECORD" file (in ``read_text``) or override this property to allow for callers to be able to resolve filenames provided by the package. Ncs6t|}|rt|nd|_|r&t|nd|_|_|Sr/)rrrrrr\)r)rZsize_strresultr*r,r- make_fileIs z%Distribution.files..make_filecsddl}t||S)Nr)csvrreader)rLr)rr,r- make_filesPsz&Distribution.files..make_filescSsttdd|S)NcSs |Sr/)rexistsrr,r,r-rZrwz@Distribution.files..skip_missing_files..)listrF)Z package_pathsr,r,r-skip_missing_filesXsz.Distribution.files..skip_missing_files)NN)r_read_files_distinfo_read_files_egginfo_installed_read_files_egginfo_sources)r+rrr,)rr+r-r 9s zDistribution.filescCs|d}|o|S)z+ Read the lines of RECORD. RECORD)rrIrr,r,r-rds z!Distribution._read_files_distinfocsFd}tdd|rs"dSfdd|D}tdj|S)a Read installed-files.txt and return lines in a similar CSV-parsable format as RECORD: each file must be placed relative to the site-packages directory and must also be quoted (since file names can contain literal commas). This file is written when the package is installed by pip, but it might not be written for other installation methods. Assume the file is accurate if it exists. zinstalled-files.txt_pathNc3s8|]0}t|jdddVqdS)rbT)Zwalk_upN)rZ relative_fixresolve relative_toras_posix)r;r)r+subdirr,r-r=~sz=Distribution._read_files_egginfo_installed.."{}")rrgrIrGformat)r+rBpathsr,rr-rks   z*Distribution._read_files_egginfo_installedcCs|d}|otdj|S)a Read SOURCES.txt and return lines in a similar CSV-parsable format as RECORD: each file name must be quoted (since it might contain literal commas). Note that SOURCES.txt is not a reliable source for what files are installed by a package. This file is generated for a source archive, and the files that are present there (e.g. setup.py) may not correctly reflect the files that are present after the package has been installed. z SOURCES.txtr)rrGrrIrr,r,r-rs z(Distribution._read_files_egginfo_sourceslist[str] | NonecCs|p|}|ot|S)z6Generated requirements specified for this Distribution)_read_dist_info_reqs_read_egg_info_reqsr)r+reqsr,r,r-r#szDistribution.requirescCs |jdS)Nz Requires-Dist)r!get_allr*r,r,r-rsz!Distribution._read_dist_info_reqscCs|d}t|j|S)Nz requires.txt)rr_deps_from_requires_text)r+sourcer,r,r-rs z Distribution._read_egg_info_reqscCs|t|Sr/)%_convert_egg_info_reqs_to_simple_reqsr7r?)rArr,r,r-rsz%Distribution._deps_from_requires_textc#sJddfdd}dd}|D]$}||j}|j|||jVq dS)a Historically, setuptools would solicit and store 'extra' requirements, including those with environment markers, in separate sections. More modern tools expect each dependency to be defined separately, with any relevant extras and environment markers attached directly to that requirement. This method converts the former to the latter. See _test_deps_from_requires_text for an example. cSs|od|dS)Nz extra == ""r,r(r,r,r-make_conditionszJDistribution._convert_egg_info_reqs_to_simple_reqs..make_conditioncsX|pd}|d\}}}|r,|r,d|d}ttd||g}|rTdd|SdS)Nrb:(rz; z and )rrrFjoin)r<extrasepmarkersZ conditionsrr,r- quoted_markers  zIDistribution._convert_egg_info_reqs_to_simple_reqs..quoted_markercSs dd|vS)z PEP 508 requires a space between the url_spec and the quoted_marker. Ref python/importlib_metadata#357.  @r,)reqr,r,r- url_req_spaceszIDistribution._convert_egg_info_reqs_to_simple_reqs..url_req_spaceN)r8r))sectionsr r r<spacer,rr-rs   z2Distribution._convert_egg_info_reqs_to_simple_reqscCs |dS)Nzdirect_url.json) _load_jsonr*r,r,r-originszDistribution.origincCs$ddl}t|j||dddS)NrcSstjfi|Sr/)typesSimpleNamespace)datar,r,r-rrwz)Distribution._load_json..) object_hook)jsonrloadsr)r+rrr,r,r-rs zDistribution._load_json)"r2r3r4r5abcabstractmethodrrrSrrrTrrrr6r!rrr)rr$rr rrrr#rrrrrrr,r,r,r-rsZ     *  " r) metaclassc@s8eZdZdZGdddZejefddddZdS) rz A MetaPathFinder capable of discovering installed distributions. Custom providers should implement this interface in order to supply metadata. c@s.eZdZdZdZddZeddddZdS) zDistributionFinder.Contexta Keyword arguments presented by the caller to ``distributions()`` or ``Distribution.discover()`` to narrow the scope of a search for distributions in all DistributionFinders. Each DistributionFinder may expect any parameters and should attempt to honor the canonical parameters defined below when appropriate. This mechanism gives a custom provider a means to solicit additional details from the caller beyond "name" and "path" when searching distributions. For example, imagine a provider that exposes suites of packages in either a "public" or "private" ``realm``. A caller may wish to query only for distributions in a particular realm and could call ``distributions(realm="private")`` to signal to the custom provider to only include distributions from that realm. NcKst||dSr/rs)r+rr,r,r-rasz#DistributionFinder.Context.__init__rkr&cCst|dtjS)z The sequence of directory path that a distribution finder should search. Typically refers to Python installed package paths such as "site-packages" directories and defaults to ``sys.path``. r)r_getrrr*r,r,r-rs zDistributionFinder.Context.path)r2r3r4r5r)rar6rr,r,r,r-rs rrr&cCsdS)z Find distributions. Return an iterable of all Distribution instances capable of loading the metadata for packages matching the ``context``, a DistributionFinder.Context instance. Nr,)r+rr,r,r-r sz%DistributionFinder.find_distributionsN)r2r3r4r5rrrrr,r,r,r-rs+rcsheZdZdZefddZddZddZdd Z d d Z d d Z e ddZ eddZZS)FastPathaq Micro-optimized class for searching a root for children. Root is a path on the file system that may contain metadata directories either as natural directories or within a zip file. >>> FastPath('').children() ['...'] FastPath objects are cached and recycled for any given root. >>> FastPath('foobar') is FastPath('foobar') True cs t|Sr/)super__new__)rArootrr,r-r%szFastPath.__new__cCs ||_dSr/)r)r+rr,r,r-ra)szFastPath.__init__cCst|j|Sr/)rrr)r+childr,r,r-joinpath,szFastPath.joinpathcCsltt t|jpdWdS1s.0Ytt|WdS1s^0YgSNrc)r Exceptionoslistdirr zip_childrenr*r,r,r-children/s  . &zFastPath.childrencCs>ddlm}||j}|j}|j|_tdd|DS)Nr)zipfilecss |]}|tjddVqdS)r rN)rd posixpathr)r;r!r,r,r-r=>rwz(FastPath.zip_children..)Zzipp.compat.overlayr)rrnamelistr"dictfromkeys)r+r)zip_pathrr,r,r-r'6s    zFastPath.zip_childrencCs||j|Sr/)lookupmtimesearchr1r,r,r-r1@szFastPath.searchcCsDttt|jjWdS1s,0Y|jdSr/)rOSErrorr%statrst_mtimer/ cache_clearr*r,r,r-r0Cs ,zFastPath.mtimecCst|Sr/)Lookup)r+r0r,r,r-r/IszFastPath.lookup)r2r3r4r5re lru_cacherrar"r(r'r1r6r0rr/ __classcell__r,r,r r-rs  rc@s,eZdZdZddddZdddd Zd S) r6zK A micro-optimized class for searching a (fast) path for metadata. rrc Cstj|j}|d}tt|_tt|_ | D]}|}|dr| dd dd}t |}|j|||q8|r8|dkr8| dd dd}t |}|j |||q8|j|j dS)z Calculate all of the children representing metadata. From the children in the path, calculate early all of the children that appear to represent metadata (infos) or legacy metadata (eggs). z.eggz .dist-infoz .egg-inforcr-zegg-infoN)r%rbasenamerlowerrKr rinfoseggsr( rpartitionrrrappendr"legacy_normalizefreeze) r+rbaseZ base_is_eggr!lowr) normalizedlegacy_normalizedr,r,r-raSs          zLookup.__init__rpreparedcCsP|r|j|jntj|j}|r2|j|jntj|j}t||S)zG Yield all infos and eggs matching the Prepared query. )r=rErrrr|r>rF)r+rHr=r>r,r,r-r1psz Lookup.searchN)r2r3r4r5rar1r,r,r,r-r6Nsr6c@sFeZdZdZdZdZddddZeddZed d Z d d Z dS) ra A prepared search query for metadata on a possibly-named package. Pre-calculates the normalization to prevent repeated operations. >>> none = Prepared(None) >>> none.normalized >>> none.legacy_normalized >>> bool(none) False >>> sample = Prepared('Sample__Pkg-name.foo') >>> sample.normalized 'sample_pkg_name_foo' >>> sample.legacy_normalized 'sample__pkg_name.foo' >>> bool(sample) True Nrr(cCs.||_|durdS|||_|||_dSr/)r)rrErArFr1r,r,r-ras  zPrepared.__init__cCstdd|ddS)zC PEP 503 normalization plus dashes as underscores. z[-_.]+r:r)rlsubr<replacer(r,r,r-rszPrepared.normalizecCs|ddS)z| Normalize the package name as found in the convention in older packaging tools versions and specs. r:r)r<rJr(r,r,r-rAszPrepared.legacy_normalizecCs t|jSr/)rr)r*r,r,r-__bool__szPrepared.__bool__) r2r3r4r5rErFrarTrrArKr,r,r,r-rs  rc@sHeZdZdZeefddddZeddZeddd d Z d S) MetadataPathFinderzA degenerate finder for distribution packages on the file system. This finder supplies only a find_distributions() method for versions of Python that do not have a PathFinder find_distributions(). zIterable[PathDistribution]r&cCs||j|j}tt|S)a  Find distributions. Return an iterable of all Distribution instances capable of loading the metadata for packages matching ``context.name`` (or all names if ``None`` indicated) along the paths in the list of directories ``context.path``. ) _search_pathsr)rrGr)rArfoundr,r,r-rs z%MetadataPathFinder.find_distributionscs(t|tjfddtt|DS)z1Find metadata directories in paths heuristically.c3s|]}|VqdSr/)r1)r;rrGr,r-r=sz3MetadataPathFinder._search_paths..)rrrrrGr)rAr)rr,rGr-rMsz MetadataPathFinder._search_pathsr]cCstjdSr/)rrr5)rAr,r,r-invalidate_cachessz$MetadataPathFinder.invalidate_cachesN) r2r3r4r5rSrrrrMrOr,r,r,r-rLs rLcsfeZdZdddddZdddd d Zejje_dddd d Zefd dZ e ddZ Z S)rrr]rcCs ||_dS)zfConstruct a distribution. :param path: SimplePath indicating the metadata directory. N)rrr,r,r-raszPathDistribution.__init__rr)rr'cCsHtttttt$|j|jddWdS1s:0YdS)Nrr) rFileNotFoundErrorIsADirectoryErrorrNotADirectoryErrorPermissionErrorrr"rrr,r,r-rs2zPathDistribution.read_textcCs |jj|Sr/)rparentrr,r,r-rszPathDistribution.locate_filecs.tjt|j}ttj||p,t j S)zz Performance optimization: where possible, resolve the normalized name from the file system path. ) r%rr;r%rrrr_name_from_stemrr)r+stemr r,r-rsz!PathDistribution._normalized_namecCs0tj|\}}|dvrdS|d\}}}|S)a7 >>> PathDistribution._name_from_stem('foo-3.0.egg-info') 'foo' >>> PathDistribution._name_from_stem('CherryPy-3.0.dist-info') 'CherryPy' >>> PathDistribution._name_from_stem('face.egg-info') 'face' >>> PathDistribution._name_from_stem('foo.bar') r9Nr:)r%rsplitextr)rVrextr)rrestr,r,r-rUs z PathDistribution._name_from_stem) r2r3r4rarrr5rr6rrTrUr8r,r,r r-rs  rr%)distribution_namer'cCs t|S)zGet the ``Distribution`` instance for the named package. :param distribution_name: The name of the distribution package as a string. :return: A ``Distribution`` instance (or subclass thereof). )rrrZr,r,r-r srrr&cKstjfi|S)z|Get all ``Distribution`` instances in the current environment. :return: An iterable of ``Distribution`` instances. )rr)rr,r,r-rsrrcCs t|jS)zGet the metadata for the named package. :param distribution_name: The name of the distribution package to query. :return: A PackageMetadata containing the parsed metadata. )rrr!r[r,r,r-r!sr!cCs t|jS)zGet the version string for the named package. :param distribution_name: The name of the distribution package to query. :return: The version string for the package as defined in the package's "Version" metadata key. )rr$r[r,r,r-r$'sr$)keycKs0tjddttD}t|jfi|S)aReturn EntryPoint objects for all installed packages. Pass selection parameters (group or name) to filter the result to entry points matching those properties (see EntryPoints.select()). :return: EntryPoints for all installed packages. css|] }|jVqdSr/)r)r;r\r,r,r-r=Cszentry_points..)rrr_uniquerrr)r}Zepsr,r,r-r:s rrcCs t|jS)zReturn a list of files for the named package. :param distribution_name: The name of the distribution package to query. :return: List of files composing the distribution. )rr r[r,r,r-r Isr rcCs t|jS)z Return a list of requirements for the named package. :return: An iterable of requirements, suitable for packaging.requirement.Requirement. )rr#r[r,r,r-r#Rsr#zMapping[str, list[str]]cCsLtt}tD]2}t|p"t|D]}||t|jdq$qt |S)z Return a mapping of top-level packages to their distributions. >>> import collections.abc >>> pkgs = packages_distributions() >>> all(isinstance(dist, collections.abc.Sequence) for dist in pkgs.values()) True r) collections defaultdictrr_top_level_declared_top_level_inferredr@rr!r,)Z pkg_to_distr\pkgr,r,r-r"\s  r"cCs|dp dS)Nz top_level.txtrb)rrdrrr,r,r-r`msr`rrcCs|j^}}|r|SdS)zB Return the top-most parent as long as there is a parent. N)parts)r)toprYr,r,r-_topmostqs recCs"ddl}t|p ||p t|S)a Infer a possibly importable module name from a name presumed on sys.path. >>> _get_toplevel_name(PackagePath('foo.py')) 'foo' >>> _get_toplevel_name(PackagePath('foo')) 'foo' >>> _get_toplevel_name(PackagePath('foo.pyc')) 'foo' >>> _get_toplevel_name(PackagePath('foo/__init__.py')) 'foo' >>> _get_toplevel_name(PackagePath('foo.pth')) 'foo.pth' >>> _get_toplevel_name(PackagePath('foo.dist-info')) 'foo.dist-info' rN)inspectre getmodulenamer%)r)rfr,r,r-_get_toplevel_nameysrhcCs&tttt|j}dd}t||S)NcSsd|vSr#r,r(r,r,r-importable_namesz,_top_level_inferred..importable_name)setrGrhrr rF)r\ opt_namesrir,r,r-rasra)Ur5 __future__rrr^rrerrzr%rr*rlrrPrcollections.abcrr contextlibr importlibr importlib.abcrrtypingr rbr _collectionsr r _compatrr _functoolsrr _itertoolsrrrrr_typingrcompatrr__all__ModuleNotFoundErrorrr7rrUrZrr PurePosixPathrrABCMetarrrr6rrLrrrr!r$partialZnormalized_namer]rr r#r"r`rerhrar,r,r,r-s~         A,8L>931#7