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o }5hw @ s d dl Z d dlZd dlZd dlZd dlZd dlZd dlZd dlZd dlZd dl Z d dl Z d dl Z d dl Z d dl Z d dlZddlmZmZ ddlmZ ddlmZmZ ddlmZmZ ddlmZ ddlmZmZ d d l m Z d d l m Z d d l m!Z! d d l m"Z" d d l#m$Z$m%Z%m&Z&m'Z' g dZ(G dd de)Z*G dd dZ+G dd de,ddZ-G dd de.Z/G dd de/Z0G dd d Z1G d d d e1e2Z3G d d d ej4Z5G d!d" d"Z6G d#d$ d$Z7G d%d& d&e!Z8G d'd( d(Z9G d)d* d*Z:G d+d, d,Z;G d-d. d.e8Z<G d/d0 d0e7Z=d1d2 Z>d3d4 Z?d5ejfd6d7Z@d8d9 ZAd5e'e0e3f fd:d;ZBd<d= ZCd>d? ZDd5e%eEe$eE f fd@dAZFdS )B N ) _adapters_meta)PackageMetadata)FreezableDefaultDictPair) method_cache pass_none)unique_everseen)r SimplePath)suppress) import_module)MetaPathFinder)starmap)ListMappingOptionalUnion) DistributionDistributionFinderr PackageNotFoundError distribution distributions entry_pointsfilesmetadatapackages_distributionsrequiresversionc @ s$ e Zd ZdZdd Zedd ZdS )r zThe package was not found.c C s d| j S )Nz"No package metadata was found for nameself r# 2/usr/lib/python3.10/importlib/metadata/__init__.py__str__2 z PackageNotFoundError.__str__c C s | j \}|S N)argsr" r r# r# r$ r 5 s zPackageNotFoundError.nameN)__name__ __module__ __qualname____doc__r% propertyr r# r# r# r$ r / s r c @ sD e Zd ZdZed Zedd Z e d ddZ e dd 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 c C s dd | j || jdD S )Nc s s. | ]}|j d ur|jt|jdV qd S )N)value)r _replacer parser0 ).0sectionr# r# r$ <genexpr>f s z*Sectioned.section_pairs.<locals>.<genexpr>)filter_)readvalidclstextr# r# r$ section_pairsd s zSectioned.section_pairsNc c sZ t |ttj| }d }|D ]}|do|d}|r$|d}qt||V qd S )N[]z[])filtermapstrstrip splitlines startswithendswithr )r; r6 linesr r0 section_matchr# r# r$ r7 l s zSectioned.readc C s | o| d S )N#)rD )liner# r# r$ r8 w zSectioned.validr' ) r* r+ r, r- textwrapdedentlstrip_sample classmethodr< staticmethodr7 r8 r# r# r# r$ r/ ; s r/ c @ sz e Zd ZU dZedZ dZed e d< dd Z e dd Z e d d Z e d d Zdd Zdd Zdd Zdd ZdS ) EntryPointa An entry point as defined by Python packaging conventions. See `the packaging docs on entry points <https://packaging.python.org/specifications/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'] zH(?P<module>[\w.]+)\s*(:\s*(?P<attr>[\w.]+)\s*)?((?P<extras>\[.*\])\s*)?$Nr distc C sD | j | j}t|d}td|dpdd}tt ||S )zLoad the entry point from its definition. If only a module is indicated by the value, return that module. Otherwise, return the named object. moduleNattr .) patternmatchr0 r groupr? split functoolsreducegetattr)r" rX rS attrsr# r# r$ load s zEntryPoint.loadc C | j | j}|dS )NrS rW rX r0 rY r" rX r# r# r$ rS zEntryPoint.modulec C r` )NrT ra rb r# r# r$ rT rc zEntryPoint.attrc C s$ | j | j}td|dpdS )Nz\w+extrasrU )rW rX r0 refindallrY rb r# r# r$ rd s zEntryPoint.extrasc C s || _ | S r' rR )r" rR r# r# r$ _for s zEntryPoint._forc C s d}t |t t| j| fS )zP Supply iter so one may construct dicts of EntryPoints by name. zJConstruction of dict of EntryPoints is deprecated in favor of EntryPoints.)warningswarnDeprecationWarningiterr )r" msgr# r# r$ __iter__ s zEntryPoint.__iter__c C s | j | j| j| jffS r' ) __class__r r0 rY r! r# r# r$ __reduce__ s zEntryPoint.__reduce__c s( fdd|D }t ttj| |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 c 3 s | ]}t |V qd S r' r] )r3 paramr! r# r$ r5 z%EntryPoint.matches.<locals>.<genexpr>)allr@ operatoreqvalues)r" paramsr^ r# r! r$ matches s zEntryPoint.matches)r* r+ r, r- re compilerW rR r __annotations__r_ r. rS rT rd rh rn rp ry r# r# r# r$ rQ | s$ rQ EntryPointBasezname value groupc s e Zd ZdZdZejejde ddZ fddZ fdd Z fd d Z fd d Z fddZ fddZ fddZ fddZdd Z fddZ fddZd d Z ZS ) DeprecatedLista> Allow an otherwise immutable object to implement mutability for compatibility. >>> recwarn = getfixture('recwarn') >>> dl = DeprecatedList(range(3)) >>> dl[0] = 1 >>> dl.append(3) >>> del dl[3] >>> dl.reverse() >>> dl.sort() >>> dl.extend([4]) >>> dl.pop(-1) 4 >>> dl.remove(1) >>> dl += [5] >>> dl + [6] [1, 2, 5, 6] >>> dl + (6,) [1, 2, 5, 6] >>> dl.insert(0, 0) >>> dl [0, 1, 2, 5] >>> dl == [0, 1, 2, 5] True >>> dl == (0, 1, 2, 5) True >>> len(recwarn) 1 r# zAEntryPoints list interface is deprecated. Cast to list if needed. stacklevelc | t j|i |S r' )_warnsuper __setitem__r" r( kwargsro r# r$ r zDeprecatedList.__setitem__c r r' )r r __delitem__r r r# r$ r r zDeprecatedList.__delitem__c r r' )r r appendr r r# r$ r r zDeprecatedList.appendc r r' )r r reverser r r# r$ r r zDeprecatedList.reversec r r' )r r extendr r r# r$ r $ r zDeprecatedList.extendc r r' )r r popr r r# r$ r ( r zDeprecatedList.popc r r' )r r remover r r# r$ r , r zDeprecatedList.removec r r' )r r __iadd__r r r# r$ r 0 r zDeprecatedList.__iadd__c C s, t |ts | t|}| t| | S r' ) isinstancetupler ro r" otherr# r# r$ __add__4 s zDeprecatedList.__add__c r r' )r r insertr r r# r$ r : r zDeprecatedList.insertc r r' )r r sortr r r# r$ r > r zDeprecatedList.sortc C s( t |ts | t|}t| |S r' )r r r __eq__r r# r# r$ r B s zDeprecatedList.__eq__)r* r+ r, r- __slots__r[ partialri rj rk r r r r r r r r r r r r r __classcell__r# r# r r$ r} s* r} c sh e Zd ZdZdZ fddZdd Zedd Zed d Z e d d Z e d d Z e dd Z ZS ) EntryPointszC An immutable collection of selectable EntryPoint objects. r# c sT t |trtjdtdd t |S z tt| j |dW S t y) t |w )z; Get the EntryPoint in self matching name. zGAccessing entry points by index is deprecated. Cast to tuple if needed.r~ r r ) r intri rj rk r __getitem__nextrl select StopIterationKeyErrorr) r r# r$ r Q s zEntryPoints.__getitem__c s t fdd| D S )zv Select entry points from self that match the given parameters (typically group and/or name). c 3 s$ | ] }|j di r|V qd S Nr# )ry r3 eprx r# r$ r5 g s " z%EntryPoints.select.<locals>.<genexpr>r r" rx r# r r$ r b s zEntryPoints.selectc C t dd | D S )zB Return the set of all names of all entry points. c s | ]}|j V qd S r' r r r# r# r$ r5 n z$EntryPoints.names.<locals>.<genexpr>setr! r# r# r$ namesi s zEntryPoints.namesc C r )z Return the set of all groups of all entry points. For coverage while SelectableGroups is present. >>> EntryPoints().groups set() c s r r' )rY r r# r# r$ r5 y r z%EntryPoints.groups.<locals>.<genexpr>r r! r# r# r$ groupsp zEntryPoints.groupsc s | fdd| |D S )Nc 3 | ]}| V qd S r' )rh r rg r# r$ r5 } rs z-EntryPoints._from_text_for.<locals>.<genexpr>) _from_text)r: r; rR r# rg r$ _from_text_for{ s zEntryPoints._from_text_forc C s t t| |pdS )NrU ) itertoolsr rQ _parse_groupsr9 r# r# r$ r s zEntryPoints._from_textc C s dd t | D S )Nc s s$ | ] }|j j|j j |jfV qd S r' r0 r )r3 itemr# r# r$ r5 s z,EntryPoints._parse_groups.<locals>.<genexpr>)r/ r< )r; r# r# r$ r s zEntryPoints._parse_groups)r* r+ r, r- r r r r. r r rO r r rP r r r# r# r r$ r J s r c sr e Zd ZdZejejdeddZ fddZ d fdd Z fd d Z fd d Z fddZ fddZ ZS ) Deprecateda Compatibility add-in for mapping to indicate that mapping behavior is deprecated. >>> recwarn = getfixture('recwarn') >>> class DeprecatedDict(Deprecated, dict): pass >>> dd = DeprecatedDict(foo='bar') >>> dd.get('baz', None) >>> dd['foo'] 'bar' >>> list(dd) ['foo'] >>> list(dd.keys()) ['foo'] >>> 'foo' in dd True >>> list(dd.values()) ['bar'] >>> len(recwarn) 1 z:SelectableGroups dict interface is deprecated. Use select.r~ r c s | t |S r' )r r r r) r r# r$ r zDeprecated.__getitem__Nc s | t ||S r' )r r get)r" r defaultr r# r$ r s zDeprecated.getc | t S r' )r r rn r! r r# r$ rn zDeprecated.__iter__c s | t j| S r' )r r __contains__)r" r( r r# r$ r r zDeprecated.__contains__c r r' )r r keysr! r r# r$ r r zDeprecated.keysc r r' )r r rw r! r r# r$ rw r zDeprecated.valuesr' )r* r+ r, r- r[ r ri rj rk r r r rn r r rw r r# r# r r$ r s r c sP e Zd ZdZedd Ze fddZedd Zedd Z d d Z Z S ) SelectableGroupszs A backward- and forward-compatible result from entry_points that fully implements the dict interface. c C s4 t d}t||d}t||}| dd |D S )NrY keyc s s | ] \}}|t |fV qd S r' r )r3 rY epsr# r# r$ r5 s z(SelectableGroups.load.<locals>.<genexpr>)ru attrgettersortedr groupby)r: r by_grouporderedgroupedr# r# r$ r_ s zSelectableGroups.loadc s t t| }ttj|S )zH Reconstruct a list of all entrypoints from the groups. )r r rw r r chain from_iterable)r" r r r# r$ _all s zSelectableGroups._allc C | j jS r' )r r r! r# r# r$ r zSelectableGroups.groupsc C r )zR for coverage: >>> SelectableGroups().names set() )r r r! r# r# r$ r s zSelectableGroups.namesc K s |s| S | j jdi |S r )r r r r# r# r$ r s zSelectableGroups.select) r* r+ r, r- rO r_ r. r r r r r r# r# r r$ r s r c @ s* e Zd ZdZd ddZdd Zdd Zd S ) PackagePathz"A reference to a path in a packageutf-8c C s< | j|d }| W d S 1 sw Y d S )Nencodinglocateopenr7 )r" r streamr# r# r$ read_text s $zPackagePath.read_textc C s: | d }| W d S 1 sw Y d S )Nrbr )r" r r# r# r$ read_binary s $zPackagePath.read_binaryc C s | j | S )z'Return a path-like object for this path)rR locate_filer! r# r# r$ r zPackagePath.locateN)r )r* r+ r, r- r r r r# r# r# r$ r s r c @ s e Zd Zdd Zdd ZdS )FileHashc C s | d\| _}| _d S )N=) partitionmoder0 )r" spec_r# r# r$ __init__ s zFileHash.__init__c C s d| j d| j dS )Nz<FileHash mode: z value: >)r r0 r! r# r# r$ __repr__ s zFileHash.__repr__N)r* r+ r, r r r# r# r# r$ r s r c @ s e Zd ZdZejdd Zejdd Zedd Z edd Z e d d Z e d d Z ed-ddZedejfddZedd Zedd Zedd Zedd Zed d Zd d Zd d! Zed"d# Zd$d% Zd&d' Z ed(d) Z e d*d+ Z d,S ).r z A Python distribution package.c C dS )zAttempt to load metadata file given by the name. :param filename: The name of the file in the distribution info. :return: The text if found, otherwise None. Nr# r" filenamer# r# r$ r zDistribution.read_textc C r )z[ Given a path to a file in this distribution, return a path to it. Nr# r" pathr# r# r$ r r zDistribution.locate_filec C sD | D ]}|tj|d}tt|d}|dur | S qt|)af Return 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. r N)_discover_resolversr Contextr rl r )r: r resolverdistsrR r# r# r$ from_name s zDistribution.from_namec sN | dd r|rtd ptjdi | tj fdd| D S )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 all packages. contextNz cannot accept context and kwargsc 3 s | ]}| V qd S r' r# )r3 r r r# r$ r5 4 s z(Distribution.discover.<locals>.<genexpr>r# )r ValueErrorr r r r r r )r: r r# r r$ discover& s zDistribution.discoverc C s t t| 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 )PathDistributionpathlibPath)r r# r# r$ at8 s zDistribution.atc C s dd t jD } td| S )z#Search the meta_path for resolvers.c s s | ] }t |d dV qdS )find_distributionsNrq )r3 finderr# r# r$ r5 D s z3Distribution._discover_resolvers.<locals>.<genexpr>N)sys meta_pathr? )declaredr# r# r$ r A s z Distribution._discover_resolversrV c C s@ ddl m}m} ||}tj|j||d}tt| |S )Nr )buildmeta) source_dirsystem) pep517r r compat_systemr[ r r zipfiler build_as_zip)r: rootr r r builderr# r# r$ _localI s zDistribution._localreturnc C s. | dp| dp| d}tt|S )zReturn the parsed metadata for this Distribution. The returned object will have keys that name the various bits of metadata. See PEP 566 for details. METADATAzPKG-INFOrU )r r Messageemailmessage_from_stringr" r; r# r# r$ r U s zDistribution.metadatac C | j d S )z8Return the 'Name' metadata for the distribution package.Namer r! r# r# r$ r f zDistribution.namec C s t | jS )z(Return a normalized version of the name.)Prepared normalizer r! r# r# r$ _normalized_namek s z Distribution._normalized_namec C r )z;Return the 'Version' metadata for the distribution package.Versionr r! r# r# r$ r p r zDistribution.versionc C s t | d| S )Nzentry_points.txt)r r r r! r# r# r$ r u s zDistribution.entry_pointsc s6 p }d fdd }|ott|t|S )aB 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 SOURCES.txt for egg-info) is missing. Result may be empty if the metadata exists but is empty. Nc s6 t | }|r t|nd |_|rt|nd |_ |_|S r' )r r hashr sizerR )r r size_strresultr! r# r$ make_file s z%Distribution.files.<locals>.make_file)NN)_read_files_distinfo_read_files_egginfolistr csvreader)r" file_linesr r# r! r$ r y s zDistribution.filesc C s | d}|o | S )z* Read the lines of RECORD RECORD)r rC r r# r# r$ r s z!Distribution._read_files_distinfoc C s | d}|otdj| S )z` SOURCES.txt might contain literal commas, so wrap each line in quotes. z SOURCES.txtz"{}")r r@ formatrC r r# r# r$ r s z Distribution._read_files_egginfoc C s | p| }|o t|S )z6Generated requirements specified for this Distribution)_read_dist_info_reqs_read_egg_info_reqsr )r" reqsr# r# r$ r s zDistribution.requiresc C s | j dS )Nz Requires-Dist)r get_allr! r# r# r$ r" r& z!Distribution._read_dist_info_reqsc C s | d}|d u r d S | |S )Nz requires.txt)r _deps_from_requires_text)r" sourcer# r# r$ r# s z Distribution._read_egg_info_reqsc C s | t|S r' )%_convert_egg_info_reqs_to_simple_reqsr/ r7 )r: r' r# r# r$ r& rJ z%Distribution._deps_from_requires_textc # sL dd fdd}dd }| D ]}||j }|j | ||j V qdS )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. c S s | od| dS )Nz extra == ""r# r r# r# r$ make_condition s zJDistribution._convert_egg_info_reqs_to_simple_reqs.<locals>.make_conditionc sX | pd} | d\}}}|r|rd| d}ttd | |g}|r*dd| S dS )NrU :()z; z and )r r r? join)r4 extrasepmarkers conditionsr* r# r$ quoted_marker s zIDistribution._convert_egg_info_reqs_to_simple_reqs.<locals>.quoted_markerc S s dd| v S )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_space zIDistribution._convert_egg_info_reqs_to_simple_reqs.<locals>.url_req_spaceNr )sectionsr4 r8 r4 spacer# r3 r$ r( s z2Distribution._convert_egg_info_reqs_to_simple_reqsN)rV ) r* r+ r, r- abcabstractmethodr r rO r r rP r r r r. r r r r r r r r r r r r" r# r& r( r# r# r# r$ r sL r c @ s2 e Zd ZdZG dd dZeje fddZdS )r zJ A MetaPathFinder capable of discovering installed distributions. c @ s* e Zd ZdZdZ dd Zedd ZdS )zDistributionFinder.Contextaw 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. Nc K s t | | d S r' )varsupdate)r" r r# r# r$ r z#DistributionFinder.Context.__init__c C s t | 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> r r r r! r# r# r$ r r z DistributionFinder.Context.path)r* r+ r, r- r r r. r r# r# r# r$ r s r c C r )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" r r# r# r$ r r z%DistributionFinder.find_distributionsN)r* r+ r, r- r r< r= r r# r# r# r$ r s r c sh e Zd ZdZe fddZdd Zdd Zdd Z d d Z d d Z e dd Z edd Z ZS )FastPathzF Micro-optimized class for searching a path for children. c s t | S r' )r __new__)r: r r r# r$ rB r zFastPath.__new__c C s || _ d S r' )r )r" r r# r# r$ r zFastPath.__init__c C s t | j|S r' )r r r )r" childr# r# r$ joinpath zFastPath.joinpathc C sl t t t| jp dW d S 1 sw Y t t | W d S 1 s/w Y g S )NrV )r Exceptionoslistdirr zip_childrenr! r# r# r$ children s zFastPath.childrenc C s2 t | j}|j }|j| _tdd |D S )Nc s s" | ] }| tjd d V qdS )r r N)rZ posixpathr0 )r3 rD r# r# r$ r5 s z(FastPath.zip_children.<locals>.<genexpr>)r r r namelistrE dictfromkeys)r" zip_pathr r# r# r$ rJ s zFastPath.zip_childrenc C s | | j|S r' )lookupmtimesearchr) r# r# r$ rS ! r@ zFastPath.searchc C sD t t t| jjW d S 1 sw Y | j d S r' )r OSErrorrH statr st_mtimerQ cache_clearr! r# r# r$ rR $ s zFastPath.mtimec C s t | S r' )Lookup)r" rR r# r# r$ rQ * r zFastPath.lookup)r* r+ r, r- r[ lru_cacherB r rE rK rJ rS r. rR r rQ r r# r# r r$ rA s rA c @ s" e Zd ZdefddZdd ZdS )rX r c C s t j|j }|d}tt| _tt| _ | D ]J}| }|drD| dd dd }t |}| j| || q |rf|dkrf| dd dd }t |}| j | || q | j | j d S )Nz.eggz .dist-infoz .egg-inforV r -zegg-info)rH r basenamer lowerrE r r infoseggsrK rpartitionr r r r rE legacy_normalizefreeze) r" r base base_is_eggrD lowr normalizedlegacy_normalizedr# r# r$ r 0 s" zLookup.__init__c C sP |r| j |j ntj| j }|r| j|j ntj| j }t||S r' )r^ rf r r r rw r_ rg )r" preparedr^ r_ r# r# r$ rS E s z Lookup.searchN)r* r+ r, rA r rS r# r# r# r$ rX / s rX c @ s@ e Zd ZdZdZdZdd Zedd Zedd Z d d Z dS ) r zE A prepared search for metadata on a possibly-named package. Nc C s. || _ |d u r d S | || _| || _d S r' )r r rf ra rg r) r# r# r$ r [ s zPrepared.__init__c C s t dd| ddS )zC PEP 503 normalization plus dashes as underscores. z[-_.]+r[ r )re subr] replacer r# r# r$ r b s zPrepared.normalizec C s | ddS )z| Normalize the package name as found in the convention in older packaging tools versions and specs. r[ r )r] rj r r# r# r$ ra i s zPrepared.legacy_normalizec C s t | jS r' )boolr r! r# r# r$ __bool__q rC zPrepared.__bool__) r* r+ r, r- rf rg r rP r ra rl r# r# r# r$ r S s r c @ s4 e Zd Zee fddZedd Zdd ZdS )MetadataPathFinderc C s | |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 r r@ r )r: r foundr# r# r$ r v s z%MetadataPathFinder.find_distributionsc s( t | tj fddtt|D S )z1Find metadata directories in paths heuristically.c 3 r r' )rS )r3 r rh r# r$ r5 s z3MetadataPathFinder._search_paths.<locals>.<genexpr>)r r r r r@ rA )r: r pathsr# rp r$ rn s z MetadataPathFinder._search_pathsc C s t j d S r' )rA rB rW )r: r# r# r$ invalidate_caches rF z$MetadataPathFinder.invalidate_cachesN) r* r+ r, rO r r r rn rr r# r# r# r$ rm u s rm c sT e Zd ZdefddZdd Zejje_dd Ze fdd Z e d d Z Z S ) r r c C s || _ dS )zfConstruct a distribution. :param path: SimplePath indicating the metadata directory. N)_pathr r# r# r$ r s zPathDistribution.__init__c C sH t ttttt | j|jddW d S 1 s w Y d S )Nr r ) r FileNotFoundErrorIsADirectoryErrorr NotADirectoryErrorPermissionErrorrs rE r r r# r# r$ r s $zPathDistribution.read_textc C s | j j| S r' )rs parentr r# r# r$ r r& z PathDistribution.locate_filec s. t jt| j}ttj| |pt j S )zz Performance optimization: where possible, resolve the normalized name from the file system path. ) rH r r\ rA rs r r r _name_from_stemr r )r" stemr r# r$ r s z!PathDistribution._normalized_namec C s0 t j| \}}|dvrdS |d\}}}|S )z >>> 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' rZ Nr[ )rH r splitextr )rz r extr r0 restr# r# r$ ry s z PathDistribution._name_from_stem)r* r+ r, r r r r r- r r. r rP ry r r# r# r r$ r s r c C s 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). )r r distribution_namer# r# r$ r r c K s t jdi | S )z|Get all ``Distribution`` instances in the current environment. :return: An iterable of ``Distribution`` instances. Nr# )r r )r r# r# r$ r s r r c C s 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. )r r r r~ r# r# r$ r r9 r c C 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. )r r r~ r# r# r$ r r c K sJ t d}tjt|d}tjdd |t D }t |j di | S )a Return 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()). For compatibility, returns ``SelectableGroups`` object unless selection parameters are supplied. In the future, this function will return ``EntryPoints`` instead of ``SelectableGroups`` even when no selection parameters are supplied. For maximum future compatibility, pass selection parameters or invoke ``.select`` with parameters on the result. :return: EntryPoints or SelectableGroups for all installed packages. r r c s r r' )r )r3 rR r# r# r$ r5 s z entry_points.<locals>.<genexpr>Nr# ) ru r r[ r r r r r r r r_ r )rx norm_nameuniquer r# r# r$ r s r c C r )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. )r r r~ r# r# r$ r r r c C r )z Return a list of requirements for the named package. :return: An iterator of requirements, suitable for packaging.requirement.Requirement. )r r r~ r# r# r$ r r r c C sJ t t} t D ]}|dpd D ] }| | |jd qqt| 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 z top_level.txtrU r ) collections defaultdictr r r rZ r r rN ) pkg_to_distrR pkgr# r# r$ r s r )GrH re r< r r r r r ru rK ri r[ r rL r rU r r r _collectionsr r _functoolsr r _itertoolsr r contextlibr importlibr importlib.abcr r typingr r r r __all__ModuleNotFoundErrorr r/ namedtuplerQ r r} r r rN r PurePosixPathr r r r rA rX r rm r r r r r r r r rA r r# r# r# r$ <module> sl A o_A7( R0,$"4