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u get_resources_destsc C s: t t d � r d } n t j t t d t j � k } | S( Nu real_prefixu base_prefixT( u hasattru sysu Trueu prefixu getattr( u result( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu in_venv� s u in_venvc C s; t j d k r. d t j k r. t j d } n t j } | S( Nu darwinu __PYVENV_LAUNCHER__( u sysu platformu osu environu executable( u result( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu get_executable� s u get_executablec C s} | } xp t | � } | } | r1 | r1 | } n | r | d j � } | | k rW Pn | rv d | | | f } qv q q | S( Ni u %c: %s %s( u raw_inputu lower( u promptu allowed_charsu error_promptu defaultu pu su c( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu proceed� s u proceedc C sV t | t � r | j � } n i } x+ | D]# } | | k r+ | | | | <q+ q+ W| S( N( u isinstanceu string_typesu split( u du keysu resultu key( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu extract_by_key� s u extract_by_keyc C s� t j d d k r+ t j d � | � } n | j � } t | � } y� t j | � } | d } xo | j � D]a \ } } xR | j � D]D \ } } d | | f } t | � } | d k s� t � | | | <q� Wql W| SWn" t k r� | j d d � Yn Xt j � } t | d � r&| j | � n | j | � i } xz | j � D]l } i | | <} xU | j | � D]D \ } } d | | f } t | � } | d k s�t � | | | <qjWqFW| S( Ni i u utf-8u exportsu %s = %su read_file( u sysu version_infou codecsu getreaderu readu StringIOu jsonu loadu itemsu get_export_entryu Noneu AssertionErroru Exceptionu seeku configparseru ConfigParseru hasattru read_fileu readfpu sections( u streamu datau resultu groupu entriesu ku vu su entryu cpu keyu nameu value( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu read_exports� s: u read_exportsc C s� t j d d k r+ t j d � | � } n t j � } x� | j � D]� \ } } | j | � x� | j � D]u } | j d k r� | j } n d | j | j f } | j r� d | d j | j � f } n | j | | j | � qj WqD W| j | � d S( Ni i u utf-8u %s:%su %s [%s]u , ( u sysu version_infou codecsu getwriteru configparseru ConfigParseru itemsu add_sectionu valuesu suffixu Noneu prefixu flagsu joinu setu nameu write( u exportsu streamu cpu ku vu entryu s( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu write_exports� s u write_exportsc c s* t j � } z | VWd t j | � Xd S( N( u tempfileu mkdtempu shutilu rmtree( u td( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu tempdir� s u tempdirc c s7 t j � } z t j | � d VWd t j | � Xd S( N( u osu getcwdu chdir( u du cwd( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu chdir� s u chdiri c c s7 t j � } z t j | � d VWd t j | � Xd S( N( u socketu getdefaulttimeoutu setdefaulttimeout( u secondsu cto( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu socket_timeout s u socket_timeoutc B s/ | Ee Z d Z d d � Z d d d � Z d S( u cached_propertyc C s | | _ d S( N( u func( u selfu func( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu __init__ s u cached_property.__init__c C s< | d k r | S| j | � } t j | | j j | � | S( N( u Noneu funcu objectu __setattr__u __name__( u selfu obju clsu value( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu __get__ s u cached_property.__get__N( u __name__u __module__u __qualname__u __init__u Noneu __get__( u __locals__( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu cached_property s u cached_propertyc C s� t j d k r | S| s | S| d d k r@ t d | � � n | d d k rc t d | � � n | j d � } x# t j | k r� | j t j � qu W| s� t j St j j | � S( u� Return 'pathname' as a name that will work on the native filesystem. The path is split on '/' and put back together again using the current directory separator. Needed because filenames in the setup script are always supplied in Unix style, and have to be converted to the local convention before we can actually use them in the filesystem. Raises ValueError on non-Unix-ish systems if 'pathname' either starts or ends with a slash. u /i u path '%s' cannot be absolutei u path '%s' cannot end with '/'i����( u osu sepu ValueErroru splitu curdiru removeu pathu join( u pathnameu paths( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu convert_path s u convert_pathc B s� | Ee Z d Z d" d d � Z d d � Z d d � Z d d � Z d# d d � Z d! d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d" d" d! d d � Z d d � Z d d � Z d d � Z d d � Z d! S($ u FileOperatorc C s# | | _ t � | _ | j � d S( N( u dry_runu setu ensuredu _init_record( u selfu dry_run( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu __init__; s u FileOperator.__init__c C s% d | _ t � | _ t � | _ d S( NF( u Falseu recordu setu files_writtenu dirs_created( u self( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu _init_record@ s u FileOperator._init_recordc C s | j r | j j | � n d S( N( u recordu files_writtenu add( u selfu path( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu record_as_writtenE s u FileOperator.record_as_writtenc C si t j j | � s1 t d t j j | � � � n t j j | � sG d St j | � j t j | � j k S( u� Tell if the target is newer than the source. Returns true if 'source' exists and is more recently modified than 'target', or if 'source' exists and 'target' doesn't. Returns false if both exist and 'target' is the same age or younger than 'source'. Raise PackagingFileError if 'source' does not exist. Note that this test is not very accurate: files created in the same second will have the same "age". u file '%r' does not existT( u osu pathu existsu DistlibExceptionu abspathu Trueu statu st_mtime( u selfu sourceu target( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu newerI s u FileOperator.newerc C s� | j t j j | � � t j d | | � | j s� d } | r� t j j | � r` d | } q� t j j | � r� t j j | � r� d | } q� n | r� t | d � � n t j | | � n | j | � d S( u8 Copy a file respecting dry-run and force flags. u Copying %s to %su %s is a symlinku %s is a non-regular fileu which would be overwrittenN( u ensure_diru osu pathu dirnameu loggeru infou dry_runu Noneu islinku existsu isfileu ValueErroru shutilu copyfileu record_as_written( u selfu infileu outfileu checku msg( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu copy_file] s %u FileOperator.copy_filec C s� t j j | � s t � | j t j j | � � t j d | | � | j s� | d k rl t | d � } n t j | d d | �} z t j | | � Wd | j � Xn | j | � d S( Nu Copying stream %s to %su wbu wu encoding( u osu pathu isdiru AssertionErroru ensure_diru dirnameu loggeru infou dry_runu Noneu openu codecsu shutilu copyfileobju closeu record_as_written( u selfu instreamu outfileu encodingu outstream( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu copy_streamn s u FileOperator.copy_streamc C s[ | j t j j | � � | j sJ t | d � � } | j | � Wd QXn | j | � d S( Nu wb( u ensure_diru osu pathu dirnameu dry_runu openu writeu record_as_written( u selfu pathu datau f( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu write_binary_file} s u FileOperator.write_binary_filec C sd | j t j j | � � | j sS t | d � � } | j | j | � � Wd QXn | j | � d S( Nu wb( u ensure_diru osu pathu dirnameu dry_runu openu writeu encodeu record_as_written( u selfu pathu datau encodingu f( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu write_text_file� s u FileOperator.write_text_filec C s� t j d k r| xj | D]_ } | j r8 t j d | � q t j | � j | B| @} t j d | | � t j | | � q Wn d S( Nu posixu changing mode of %su changing mode of %s to %o( u osu nameu dry_runu loggeru infou statu st_modeu chmod( u selfu bitsu masku filesu fu mode( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu set_mode� s u FileOperator.set_modec C s | j d d | � S( Nim i� ( u set_mode( u su f( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu <lambda>� s u FileOperator.<lambda>c C s� t j j | � } | | j k r� t j j | � r� | j j | � t j j | � \ } } | j | � t j d | � | j s� t j | � n | j r� | j j | � q� n d S( Nu Creating %s( u osu pathu abspathu ensuredu existsu addu splitu ensure_diru loggeru infou dry_runu mkdiru recordu dirs_created( u selfu pathu du f( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu ensure_dir� s " u FileOperator.ensure_dirc C s� t | | � } t j d | | � | j s� | sD | j | | � r� | sS d } q� | j | � sh t � | t | � d � } n t j | | | d � n | j | � | S( Nu Byte-compiling %s to %sT( u cache_from_sourceu loggeru infou dry_runu neweru Noneu startswithu AssertionErroru lenu py_compileu compileu Trueu record_as_written( u selfu pathu optimizeu forceu prefixu dpathu diagpath( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu byte_compile� s u FileOperator.byte_compilec C s t j j | � rt j j | � r� t j j | � r� t j d | � | j s` t j | � n | j r | | j k r� | j j | � q� q qt j j | � r� d } n d } t j d | | � | j s� t j | � n | j r| | j k r | j j | � q qn d S( Nu Removing directory tree at %su linku fileu Removing %s %s( u osu pathu existsu isdiru islinku loggeru debugu dry_runu shutilu rmtreeu recordu dirs_createdu removeu files_written( u selfu pathu s( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu ensure_removed� s" % u FileOperator.ensure_removedc C sj d } x] | se t j j | � r: t j | t j � } Pn t j j | � } | | k r\ Pn | } q W| S( NF( u Falseu osu pathu existsu accessu W_OKu dirname( u selfu pathu resultu parent( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu is_writable� s u FileOperator.is_writablec C s/ | j s t � | j | j f } | j � | S( uV Commit recorded changes, turn off recording, return changes. ( u recordu AssertionErroru files_writtenu dirs_createdu _init_record( u selfu result( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu commit� s u FileOperator.commitc C s� | j s� x9 t | j � D]( } t j j | � r t j | � q q Wt | j d d �} xq | D]f } t j | � } | r� | d g k s� t � t j j | | d � } t j | � n t j | � qa Wn | j � d S( Nu reverseu __pycache__i T( u dry_runu listu files_writtenu osu pathu existsu removeu sortedu dirs_createdu Trueu listdiru AssertionErroru joinu rmdiru _init_record( u selfu fu dirsu du flistu sd( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu rollback� s u FileOperator.rollbackNFT( u __name__u __module__u __qualname__u Falseu __init__u _init_recordu record_as_writtenu neweru Trueu copy_fileu Noneu copy_streamu write_binary_fileu write_text_fileu set_modeu set_executable_modeu ensure_diru byte_compileu ensure_removedu is_writableu commitu rollback( u __locals__( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu FileOperator: s u FileOperatorc C s� | t j k r t j | } n t | � } | d k r@ | } nG | j d � } t | | j d � � } x | D] } t | | � } qn W| S( Nu .i ( u sysu modulesu __import__u Noneu splitu getattru pop( u module_nameu dotted_pathu modu resultu partsu p( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu resolve� s u resolvec B sS | Ee Z d Z d d � Z e d d � � Z d d � Z d d � Z e j Z d S( u ExportEntryc C s( | | _ | | _ | | _ | | _ d S( N( u nameu prefixu suffixu flags( u selfu nameu prefixu suffixu flags( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu __init__ s u ExportEntry.__init__c C s t | j | j � S( N( u resolveu prefixu suffix( u self( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu value s u ExportEntry.valuec C s d | j | j | j | j f S( Nu <ExportEntry %s = %s:%s %s>( u nameu prefixu suffixu flags( u self( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu __repr__ s u ExportEntry.__repr__c C sd t | t � s d } nH | j | j k o] | j | j k o] | j | j k o] | j | j k } | S( NF( u isinstanceu ExportEntryu Falseu nameu prefixu suffixu flags( u selfu otheru result( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu __eq__ s u ExportEntry.__eq__N( u __name__u __module__u __qualname__u __init__u cached_propertyu valueu __repr__u __eq__u objectu __hash__( u __locals__( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu ExportEntry� s u ExportEntryu� (?P<name>(\w|[-.])+) \s*=\s*(?P<callable>(\w+)([:\.]\w+)*) \s*(\[\s*(?P<flags>\w+(=\w+)?(,\s*\w+(=\w+)?)*)\s*\])? c C sG t j | � } | sI d } d | k s3 d | k rCt d | � � qCn� | j � } | d } | d } | j d � } | d k r� | d } } n4 | d k r� t d | � � n | j d � \ } } | d } | d k rd | k s� d | k r t d | � � n g } n d d � | j d � D� } t | | | | � } | S( Nu [u ]u Invalid specification %ru nameu callableu :i i u flagsc S s g | ] } | j � � q S( ( u strip( u .0u f( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu <listcomp>; s u$ get_export_entry.<locals>.<listcomp>u ,( u ENTRY_REu searchu Noneu DistlibExceptionu groupdictu countu splitu ExportEntry( u specificationu mu resultu du nameu pathu colonsu prefixu suffixu flags( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu get_export_entry! s2 u get_export_entryc C s | d k r d } n t j d k rH d t j k rH t j j d � } n t j j d � } t j j | � r� t j | t j � } | s� t j d | � q� nH y t j | � d } Wn. t k r� t j d | d d �d } Yn X| s t j � } t j d | � n t j j | | � S( u� Return the default base location for distlib caches. If the directory does not exist, it is created. Use the suffix provided for the base directory, and default to '.distlib' if it isn't provided. On Windows, if LOCALAPPDATA is defined in the environment, then it is assumed to be a directory, and will be the parent directory of the result. On POSIX, and on Windows if LOCALAPPDATA is not defined, the user's home directory - using os.expanduser('~') - will be the parent directory of the result. The result is just the directory '.distlib' in the parent directory as determined above, or with the name specified with ``suffix``. u .distlibu ntu LOCALAPPDATAu $localappdatau ~u( Directory exists but is not writable: %su Unable to create %su exc_infou# Default location unusable, using %sNTF( u Noneu osu nameu environu pathu expandvarsu expanduseru isdiru accessu W_OKu loggeru warningu makedirsu Trueu OSErroru Falseu tempfileu mkdtempu join( u suffixu resultu usable( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu get_cache_base@ s& u get_cache_basec C s` t j j t j j | � � \ } } | r? | j d d � } n | j t j d � } | | d S( u Convert an absolute path to a directory name for use in a cache. The algorithm used is: #. On Windows, any ``':'`` in the drive is replaced with ``'---'``. #. Any occurrence of ``os.sep`` is replaced with ``'--'``. #. ``'.cache'`` is appended. u :u ---u --u .cache( u osu pathu splitdriveu abspathu replaceu sep( u pathu du p( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu path_to_cache_diri s $u path_to_cache_dirc C s | j d � s | d S| S( Nu /( u endswith( u s( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu ensure_slashz s u ensure_slashc C sk d } } d | k r^ | j d d � \ } } d | k rC | } q^ | j d d � \ } } n | | | f S( Nu @i u :( u Noneu split( u netlocu usernameu passwordu prefix( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu parse_credentials� s u parse_credentialsc C s t j d � } t j | � | S( Ni ( u osu umask( u result( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu get_process_umask� s u get_process_umaskc C sX d } d } x3 t | � D]% \ } } t | t � s d } Pq q W| d k sT t � | S( NTF( u Trueu Noneu enumerateu isinstanceu string_typesu Falseu AssertionError( u sequ resultu iu s( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu is_string_sequence� s u is_string_sequenceu3 ([a-z0-9_]+([.-][a-z_][a-z0-9_]*)*)-([a-z0-9_.+-]+)u -py(\d\.?\d?)c C s d } d } t j | � } | rI | j d � } | d | j � � } n | r� t | � t | � d k r� t j t j | � d | � } | r� | j � } | d | � | | d d � | f } q� n | d k rt j | � } | r| j d � | j d � | f } qn | S( uw Extract name, version, python version from a filename (no extension) Return name, version, pyver or None i Nu \bi ( u Noneu PYTHON_VERSIONu searchu groupu startu lenu reu matchu escapeu endu PROJECT_NAME_AND_VERSION( u filenameu project_nameu resultu pyveru mu n( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu split_filename� s " - 'u split_filenameu- (?P<name>[\w .-]+)\s*\(\s*(?P<ver>[^\s)]+)\)$c C sR t j | � } | s( t d | � � n | j � } | d j � j � | d f S( u� A utility method used to get name and version from a string. From e.g. a Provides-Dist value. :param p: A value in a form 'foo (1.0)' :return: The name and version as a tuple. u$ Ill-formed name/version string: '%s'u nameu ver( u NAME_VERSION_REu matchu DistlibExceptionu groupdictu stripu lower( u pu mu d( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu parse_name_and_version� s u parse_name_and_versionc C s t � } t | p g � } t | p' g � } d | k rS | j d � | | O} n x� | D]� } | d k r| | j | � qZ | j d � r� | d d � } | | k r� t j d | � n | | k r| j | � qqZ | | k r� t j d | � n | j | � qZ W| S( Nu *u -i u undeclared extra: %s( u setu removeu addu startswithu loggeru warning( u requestedu availableu resultu ru unwanted( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu get_extras� s& u get_extrasc C s� i } ye t | � } | j � } | j d � d k rF t j d � n$ t j d � | � } t j | � } Wn8 t k r� } z t j d | | � WYd d } ~ Xn X| S( Nu Content-Typeu application/jsonu$ Unexpected response for JSON requestu utf-8u& Failed to get external data for %s: %s( u urlopenu infou getu loggeru debugu codecsu getreaderu jsonu loadu Exceptionu exception( u urlu resultu respu headersu readeru e( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu _get_external_data� s &u _get_external_datac C s* d | d j � | f } t | � } | S( Nu9 https://www.red-dove.com/pypi/projects/%s/%s/project.jsoni ( u upperu _get_external_data( u nameu urlu result( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu get_project_data� s u get_project_datac C s' d | d j � | | f } t | � S( Nu< https://www.red-dove.com/pypi/projects/%s/%s/package-%s.jsoni ( u upperu _get_external_data( u nameu versionu url( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu get_package_data� s u get_package_datac B s> | Ee Z d Z d Z d d � Z d d � Z d d � Z d S( u Cacheu� A class implementing a cache for resources that need to live in the file system e.g. shared libraries. This class was moved from resources to here because it could be used by other modules, e.g. the wheel module. c C sv t j j | � s" t j | � n t j | � j d @d k rQ t j d | � n t j j t j j | � � | _ d S( uu Initialise an instance. :param base: The base directory where the cache should be located. i? i u Directory '%s' is not privateN( u osu pathu isdiru makedirsu statu st_modeu loggeru warningu abspathu normpathu base( u selfu base( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu __init__ s u Cache.__init__c C s t | � S( uN Converts a resource prefix to a directory name in the cache. ( u path_to_cache_dir( u selfu prefix( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu prefix_to_dir s u Cache.prefix_to_dirc C s� g } x� t j | j � D]� } t j j | j | � } yZ t j j | � s^ t j j | � rn t j | � n" t j j | � r� t j | � n Wq t k r� | j | � Yq Xq W| S( u" Clear the cache. ( u osu listdiru baseu pathu joinu islinku isfileu removeu isdiru shutilu rmtreeu Exceptionu append( u selfu not_removedu fn( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu clear s $ u Cache.clearN( u __name__u __module__u __qualname__u __doc__u __init__u prefix_to_diru clear( u __locals__( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu Cache s u Cachec B sY | Ee Z d Z d Z d d � Z d d d � Z d d � Z d d � Z d d � Z d S( u EventMixinu1 A very simple publish/subscribe system. c C s i | _ d S( N( u _subscribers( u self( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu __init__2 s u EventMixin.__init__c C s\ | j } | | k r+ t | g � | | <n- | | } | rK | j | � n | j | � d S( u` Add a subscriber for an event. :param event: The name of an event. :param subscriber: The subscriber to be added (and called when the event is published). :param append: Whether to append or prepend the subscriber to an existing subscriber list for the event. N( u _subscribersu dequeu appendu appendleft( u selfu eventu subscriberu appendu subsu sq( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu add5 s u EventMixin.addc C s= | j } | | k r( t d | � � n | | j | � d S( u� Remove a subscriber for an event. :param event: The name of an event. :param subscriber: The subscriber to be removed. u No subscribers: %rN( u _subscribersu ValueErroru remove( u selfu eventu subscriberu subs( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu removeI s u EventMixin.removec C s t | j j | f � � S( u� Return an iterator for the subscribers for an event. :param event: The event to return subscribers for. ( u iteru _subscribersu get( u selfu event( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu get_subscribersU s u EventMixin.get_subscribersc O s� g } xb | j | � D]Q } y | | | | � } Wn% t k rY t j d � d } Yn X| j | � q Wt j d | | | | � | S( u^ Publish a event and return a list of values returned by its subscribers. :param event: The event to publish. :param args: The positional arguments to pass to the event's subscribers. :param kwargs: The keyword arguments to pass to the event's subscribers. u" Exception during event publicationu/ publish %s: args = %s, kwargs = %s, result = %sN( u get_subscribersu Exceptionu loggeru exceptionu Noneu appendu debug( u selfu eventu argsu kwargsu resultu subscriberu value( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu publish\ s u EventMixin.publishNT( u __name__u __module__u __qualname__u __doc__u __init__u Trueu addu removeu get_subscribersu publish( u __locals__( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu EventMixin. s u EventMixinc B s� | Ee Z d Z d d � Z d d � Z d d d � Z d d � Z d d � Z d d � Z d d � Z e d d � � Z e d d � � Z d S( u Sequencerc C s" i | _ i | _ t � | _ d S( N( u _predsu _succsu setu _nodes( u self( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu __init__w s u Sequencer.__init__c C s | j j | � d S( N( u _nodesu add( u selfu node( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu add_node| s u Sequencer.add_nodec C s | | j k r" | j j | � n | r x3 t | j j | f � � D] } | j | | � qD Wx3 t | j j | f � � D] } | j | | � qz Wx6 t | j j � � D] \ } } | s� | j | =q� q� Wx9 t | j j � � D] \ } } | s� | j | =q� q� Wn d S( N( u _nodesu removeu setu _predsu getu _succsu listu items( u selfu nodeu edgesu pu su ku v( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu remove_node s """"u Sequencer.remove_nodec C sT | | k s t � | j j | t � � j | � | j j | t � � j | � d S( N( u AssertionErroru _predsu setdefaultu setu addu _succs( u selfu predu succ( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu add� s u Sequencer.addc C s� | | k s t � y | j | } | j | } Wn" t k rT t d | � � Yn Xy | j | � | j | � Wn( t k r� t d | | f � � Yn Xd S( Nu %r not a successor of anythingu %r not a successor of %r( u AssertionErroru _predsu _succsu KeyErroru ValueErroru remove( u selfu predu succu predsu succs( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu remove� s u Sequencer.removec C s+ | | j k p* | | j k p* | | j k S( N( u _predsu _succsu _nodes( u selfu step( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu is_step� s u Sequencer.is_stepc C s� | j | � s" t d | � � n g } g } t � } | j | � x� | r� | j d � } | | k r� | | k r� | j | � | j | � q� qG | j | � | j | � | j j | f � } | j | � qG Wt | � S( Nu Unknown: %ri ( u is_stepu ValueErroru setu appendu popu removeu addu _predsu getu extendu reversed( u selfu finalu resultu todou seenu stepu preds( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu get_steps� s" u Sequencer.get_stepsc s| d g � g � i � i � g � | j � � � � � � � � f d d � � x' � D] } | � k rU � | � qU qU W� S( Ni c s8 � d � | <� d � | <� d d 7<� j | � y � | } Wn t k r_ g } Yn Xxl | D]d } | � k r� � | � t � | � | � � | <qg | � k rg t � | � | � � | <qg qg W� | � | k r4g } x, � j � } | j | � | | k r� Pq� q� t | � } � j | � n d S( Ni i ( u appendu Exceptionu minu popu tuple( u nodeu successorsu successoru connected_componentu component( u graphu indexu index_counteru lowlinksu resultu stacku strongconnect( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu strongconnect� s. " u3 Sequencer.strong_connections.<locals>.strongconnect( u _succs( u selfu node( ( u graphu indexu index_counteru lowlinksu resultu stacku strongconnectu1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu strong_connections� s $" u Sequencer.strong_connectionsc C s� d g } xF | j D]; } | j | } x% | D] } | j d | | f � q- Wq Wx" | j D] } | j d | � q\ W| j d � d j | � S( Nu digraph G {u %s -> %s;u %s;u }u ( u _predsu appendu _nodesu join( u selfu resultu succu predsu predu node( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu dot� s u Sequencer.dotNF( u __name__u __module__u __qualname__u __init__u add_nodeu Falseu remove_nodeu addu removeu is_stepu get_stepsu propertyu strong_connectionsu dot( u __locals__( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu Sequencerv s 3u Sequenceru .tar.gzu .tar.bz2u .taru .zipu .tgzu .tbzu .whlc s� � � f d d � } t j j � � � t � � � d } | d k r� | j d � r] d } q� | j d � r{ d } d } q� | j d � r� d } d } q� | j d � r� d } d } q� t d | � � n z| d k rt | d � } | r]| j � } x | D] } | | � qWq]nB t j | | � } | r]| j � } x | D] } | | � qFWn | d k r�t j d d k r�xA | j � D]0 } t | j t � s�| j j d � | _ q�q�Wn | j � � Wd | r�| j � n Xd S( Nc s| t | t � s! | j d � } n t j j t j j � | � � } | j � � se | � t j k rx t d | � � n d S( Nu utf-8u path outside destination: %r( u isinstanceu text_typeu decodeu osu pathu abspathu joinu startswithu sepu ValueError( u pathu p( u dest_diru plen( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu check_path s !#u unarchive.<locals>.check_pathu .zipu .whlu zipu .tar.gzu .tgzu tgzu r:gzu .tar.bz2u .tbzu tbzu r:bz2u .taru taru ru Unknown format for %ri i u utf-8( u .zipu .whl( u .tar.gzu .tgz( u .tar.bz2u .tbz( u osu pathu abspathu lenu Noneu endswithu ValueErroru ZipFileu namelistu tarfileu openu getnamesu sysu version_infou getmembersu isinstanceu nameu text_typeu decodeu extractallu close( u archive_filenameu dest_diru formatu checku check_pathu archiveu modeu namesu nameu tarinfo( ( u dest_diru plenu1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu unarchive sH u unarchivec C s� t j � } t | � } t | d � �� } x{ t j | � D]j \ } } } xX | D]P } t j j | | � } | | d � } t j j | | � } | j | | � qP Wq: WWd QX| S( u* zip a directory tree into a BytesIO objectu wN( u iou BytesIOu lenu ZipFileu osu walku pathu joinu write( u directoryu resultu dlenu zfu rootu dirsu filesu nameu fullu relu dest( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu zip_dir: s u zip_diru u Ku Mu Gu Tu Pc B s� | Ee Z d Z d Z d d d d � Z d d � Z d d � Z d d � Z d d � Z e d d � � Z e d d � � Z d d � Z e d d � � Z e d d � � Z d S( u Progressu UNKNOWNi id c C sV | d k s | | k s t � | | _ | _ | | _ d | _ d | _ d | _ d S( Ni F( u Noneu AssertionErroru minu curu maxu startedu elapsedu Falseu done( u selfu minvalu maxval( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu __init__Q s u Progress.__init__c C s} | j | k s t � | j d k s9 | | j k s9 t � | | _ t j � } | j d k ri | | _ n | | j | _ d S( N( u minu AssertionErroru maxu Noneu curu timeu startedu elapsed( u selfu curvalu now( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu updateY s $ u Progress.updatec C s* | d k s t � | j | j | � d S( Ni ( u AssertionErroru updateu cur( u selfu incr( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu incrementc s u Progress.incrementc C s | j | j � | S( N( u updateu min( u self( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu startg s u Progress.startc C s/ | j d k r" | j | j � n d | _ d S( NT( u maxu Noneu updateu Trueu done( u self( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu stopk s u Progress.stopc C s | j d k r | j S| j S( N( u maxu Noneu unknown( u self( ( u1 /tmp/pip-zej_zi-build/pip/_vendor/distlib/util.pyu maximump s u Progress.maximumc C sZ | j r d } nD | j d k r* d } n, d | j | j | j | j } d | } | S( Nu 100 %u ?? 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