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The dictionary will contain keys "op", "lhs" and "rhs" for non-terminals in the expression grammar, or strings. A string contained in quotes is to be interpreted as a literal string, and a string not contained in quotes is a variable (such as os_name). c S s� t j | � } | r> | j � d } | | j � d � } nZ| sS t d � � nE| d } | d k ry t d | � � d j | d � } | d d � } | g } x� | rF| d | k r� Pq� | d | k r� | j | � | d d � } q� t j | � } | st d | � � | j | j � d � | | j � d � } q� Wd j | � } t d | � � | j | � d j | � } | d d � j � } | | f S) Nr zunexpected end of inputz'"zinvalid expression: %s� r zerror in string literal: %szunterminated string: %s) � IDENTIFIER�match�groups�end� SyntaxError�replace�append� STRING_CHUNK�join�lstrip)� remaining�m�result�q�oq�parts�s� r- ��/builddir/build/BUILDROOT/alt-python35-pip-20.2.4-5.el8.x86_64/opt/alt/python35/lib/python3.5/site-packages/pip/_vendor/distlib/util.py� marker_varA s: z parse_marker.<locals>.marker_varc s | rq | d d k rq � | d d � j � � \ } } | d d k rX t d | � � | d d � j � } n� � | � \ } } xp | r� t j | � } | s� P| j � d } | | j � d � } � | � \ } } d | d | d | i } q� W| } | | f S) Nr �(r �)z unterminated parenthesis: %s�op�lhs�rhs)r% r � MARKER_OPr r r )r& r( r3 r' r2 r4 )�markerr/ r- r. � marker_expre s " z!parse_marker.<locals>.marker_exprc s � | � \ } } x` | rt t j | � } | s1 P| | j � d � } � | � \ } } d d d | d | i } q W| | f S)Nr2 �andr3 r4 )�ANDr r )r& r3 r' r4 )r7 r- r. � marker_andx s z parse_marker.<locals>.marker_andc s � | � \ } } x` | rt t j | � } | s1 P| | j � d � } � | � \ } } d d d | d | i } q W| | f S)Nr2 �orr3 r4 )�ORr r )r& r3 r' r4 )r: r- r. r6 � s z parse_marker.<locals>.markerr- )� marker_stringr- )r6 r: r7 r/ r. � parse_marker8 s $ r> c C sD | j � } | s" | j d � r& d St j | � } | sK t d | � � | j � d } | | j � d � } d } } } } | r�| d d k r�| j d d � } | d k r� t d | � � | d | � } | | d d � j � } g } x� | r�t j | � } | s%t d | � � | j | j � d � | | j � d � } | sYP| d d k ryt d | � � | d d � j � } q� W| s�d } | rp| d d k rM| d d � j � } t j | � } | s�t d | � � | j � d } t | � } | j o| j s.t d | � � | | j � d � j � } n#d d � } | d d k r~| | � \ } } n� | j d d � } | d k r�t d | � � | d | � } | | d d � j � } t j | � r�| | � \ } } nv t j | � } | s t d | � � | j � d } | | j � d � j � } | rat d | � � d | f g } | r�| d d k r�t d | � � | d d � j � } t | � \ } } | r�| d d k r�t d | � � | s�| } n& d | d j d d � | D� � f } t d | d | d | d | d! | d" | � S)#z� Parse a requirement passed in as a string. Return a Container whose attributes contain the various parts of the requirement. �#Nzname expected: %sr �[�]r zunterminated extra: %szmalformed extra: %s�,z comma expected in extras: %s�@zinvalid URI: %szInvalid URL: %sc S s t j | � } d } | r g } x� | j � d } | | j � d � } t j | � } | so t d | � � | j � d } | j | | f � | | j � d � } | s� | d d k r� P| d d � j � } t j | � } | s$ t d | � � q$ W| s d } | | f S)z| Return a list of operator, version tuples if any are specified, else None. Nr zinvalid version: %srB r zinvalid constraint: %s)� COMPARE_OPr r r �VERSION_IDENTIFIERr r" r% )� ver_remainingr' �versionsr2 �vr- r- r. � get_versions� s, z'parse_requirement.<locals>.get_versionsr0 r1 z unterminated parenthesis: %szinvalid constraint: %sz~=�;zinvalid requirement: %sz unexpected trailing data: %sz%s %sz, c S s g | ] } d | � q S)z%s %sr- )�.0�conr- r- r. � <listcomp> s z%parse_requirement.<locals>.<listcomp>�name�extras� constraintsr6 �url� requirement)�strip� startswithr r r r r �findr% r" � NON_SPACEr �scheme�netlocrD rE r> r$ r )�reqr& r' �distnamerO � mark_exprrG �uri�ir, �trI �_rH �rsr- r- r. �parse_requirement� s� &ra c C s� d d � } i } x� | D]� \ } } } t j j | | � } x� t | � D]� } t j j | | � } x� t | � D]v } | | | � } | d k r� | j | d � qr | | | � } | j t j j d � j d � } | d | | | <qr WqJ Wq W| S)z%Find destinations for resources filesc S sb | j t j j d � } | j t j j d � } | j | � sE t � | t | � d � j d � S)N�/)r! �os�path�seprT �AssertionError�lenr% )�rootrd r- r- r. � get_rel_path s z)get_resources_dests.<locals>.get_rel_pathNrb )rc rd r$ r �popr! re �rstrip)�resources_root�rulesri � destinations�base�suffix�dest�prefix�abs_base�abs_glob�abs_path� resource_file�rel_path�rel_destr- r- r. �get_resources_dests s ! ry c C s: t t d � r d } n t j t t d t j � k } | S)N� real_prefixT� base_prefix)�hasattr�sysrr �getattr)r( r- r- r. �in_venv$ s r c C s4 t j j t j � } t | t � s0 t | � } | S)N)rc rd �normcaser} � executable� isinstancer r )r( r- r- r. �get_executable. s r� c C sr | } xe t | � } | } | r. | r. | } | r | d j � } | | k rQ P| r d | | | f } q W| S)Nr z %c: %s %s)r �lower)�prompt� allowed_chars� error_prompt�default�pr, �cr- r- r. �proceed> s r� c C sP t | t � r | j � } i } x( | D] } | | k r( | | | | <q( W| S)N)r� r �split)�d�keysr( �keyr- r- r. �extract_by_keyN s r� c C s� t j d d k r( t j d � | � } | j � } t | � } y� t j | � } | d d d } xo | j � D]a \ } } xR | j � D]D \ } } d | | f } t | � } | d k s� t � | | | <q� Wqq W| SWn" t k r� | j d d � Yn Xd d � } t j � } y | | | � WnG t j k rr| j � t j | � } t | � } | | | � Yn Xi } xz | j � D]l } i | | <} xU | j | � D]D \ } } d | | f } t | � } | d k s�t � | | | <q�Wq�W| S) Nr � zutf-8� extensionszpython.exports�exportsz%s = %sc S s0 t | d � r | j | � n | j | � d S)N� read_file)r| r� �readfp)�cp�streamr- r- r. � read_streamk s z!read_exports.<locals>.read_stream)r} � version_info�codecs� getreader�readr �json�load�items�get_export_entryrf � Exception�seekr � ConfigParser�MissingSectionHeaderError�close�textwrap�dedent�sections)r� �data�jdatar( �group�entries�krH r, �entryr� r� r� rN �valuer- r- r. � read_exportsW sD r� c C s� t j d d k r( t j d � | � } t j � } x� | j � D]� \ } } | j | � x� | j � D]r } | j d k r� | j } n d | j | j f } | j r� d | d j | j � f } | j | | j | � qg WqA W| j | � d S)Nr r� zutf-8z%s:%sz%s [%s]z, )r} r� r� � getwriterr r� r� � add_section�valuesrp rr �flagsr$ �setrN �write)r� r� r� r� rH r� r, r- r- r. � write_exports� s r� c c s* t j � } z | VWd t j | � Xd S)N)�tempfile�mkdtempr �rmtree)�tdr- r- r. �tempdir� s r� c c s7 t j � } z t j | � d VWd t j | � Xd S)N)rc �getcwd�chdir)r� �cwdr- r- r. r� � s r� � c c s7 t j � } z t j | � d VWd t j | � Xd S)N)�socket�getdefaulttimeout�setdefaulttimeout)�seconds�ctor- r- r. �socket_timeout� s r� c @ s+ e Z d Z d d � Z d d d � Z d S)�cached_propertyc C s | | _ d S)N)�func)�selfr� r- r- r. �__init__� s zcached_property.__init__Nc C s< | d k r | S| j | � } t j | | j j | � | S)N)r� �object� __setattr__�__name__)r� �obj�clsr� r- r- r. �__get__� s zcached_property.__get__)r� � __module__� __qualname__r� r� r- r- r- r. r� � s r� c C s� t j d k r | S| s | S| d d k r= t d | � � | d d k r] t d | � � | j d � } x# t j | k r� | j t j � qo W| s� t j St j j | � S)a� 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. rb r z path '%s' cannot be absoluter z path '%s' cannot end with '/'���)rc re � ValueErrorr� �curdir�removerd r$ )�pathname�pathsr- r- r. � convert_path� s r� c @ s� e 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 d � Z d d � Z d d � Z d d! � Z d" d# � Z d S)$� FileOperatorFc C s# | | _ t � | _ | j � d S)N)�dry_runr� �ensured� _init_record)r� r� r- r- r. r� � s zFileOperator.__init__c C s% d | _ t � | _ t � | _ d S)NF)�recordr� � files_written� dirs_created)r� r- r- r. r� � s zFileOperator._init_recordc C s | j r | j j | � d S)N)r� r� �add)r� rd r- r- r. �record_as_written� s z FileOperator.record_as_writtenc C sf t j j | � s. t d t j j | � � � t j j | � sD d St j | � j t j | � j k S)a� 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". zfile '%r' does not existT)rc rd �existsr �abspath�stat�st_mtime)r� �source�targetr- r- r. �newer� s zFileOperator.newerTc C s� | j t j j | � � t j d | | � | j s� d } | r� t j j | � r` d | } n/ t j j | � r� t j j | � r� d | } | r� t | d � � t j | | � | j | � d S)z8Copy a file respecting dry-run and force flags. zCopying %s to %sNz%s is a symlinkz%s is a non-regular filez which would be overwritten)� ensure_dirrc rd �dirname�logger�infor� �islinkr� �isfiler� r �copyfiler� )r� �infile�outfile�check�msgr- r- r. � copy_file s % zFileOperator.copy_fileNc 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 � X| j | � d S)NzCopying stream %s to %s�wb�w�encoding)rc rd �isdirrf r� r� r� r� r� �openr� r � copyfileobjr� r� )r� �instreamr� r� � outstreamr- r- r. � copy_stream s zFileOperator.copy_streamc C sx | j t j j | � � | j sg t j j | � rA t j | � t | d � � } | j | � Wd QRX| j | � d S)Nr� ) r� rc rd r� r� r� r� r� r� r� )r� rd r� �fr- r- r. �write_binary_file! s z FileOperator.write_binary_filec C s | j | | j | � � d S)N)r �encode)r� rd r� r� r- r- r. �write_text_file* s z FileOperator.write_text_filec C s� t j d k s- t j d k r� t j d k r� xg | D]_ } | j rV t j d | � q4 t j | � j | B| @} t j d | | � t j | | � q4 Wd S)N�posix�javazchanging mode of %szchanging mode of %s to %o) rc rN �_namer� r� r� r� �st_mode�chmod)r� �bits�mask�filesr� �moder- r- r. �set_mode- s - zFileOperator.set_modec C s | j d d | � S)Nim i� )r )r, r� r- r- r. �<lambda>9 s zFileOperator.<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 | � | j r� | j j | � d S)Nz Creating %s)rc rd r� r� r� r� r� r� r� r� r� �mkdirr� r� )r� rd r� r� r- r- r. r� ; s " zFileOperator.ensure_dirc C s� t | | � } t j d | | � | j s� | sD | j | | � r~ | sS d } n+ | j | � sh t � | t | � d � } i } | r� t t d � r� t j j | d <t j | | | d | � | j | � | S)NzByte-compiling %s to %s�PycInvalidationMode�invalidation_modeT)r r� r� r� r� rT rf rg r| � py_compiler � CHECKED_HASH�compiler� ) r� rd �optimize�forcerr �hashed_invalidation�dpath�diagpath�compile_kwargsr- r- r. � byte_compileG s zFileOperator.byte_compilec C s� t j j | � r� t j j | � r� t j j | � r� t j d | � | j s] t j | � | j r� | | j k r� | j j | � nr t j j | � r� d } n d } t j d | | � | j s� t j | � | j r� | | j k r� | j j | � d S)Nz Removing directory tree at %s�link�filezRemoving %s %s)rc rd r� r� r� r� �debugr� r r� r� r� r� r� )r� rd r, r- r- r. �ensure_removedX s" % zFileOperator.ensure_removedc C sd d } xW | s_ t j j | � r7 t j | t j � } Pt j j | � } | | k rV P| } q W| S)NF)rc rd r� �access�W_OKr� )r� rd r( �parentr- r- r. � is_writablem s zFileOperator.is_writablec C s/ | j s t � | j | j f } | j � | S)zV Commit recorded changes, turn off recording, return changes. )r� rf r� r� r� )r� r( r- r- r. �commity s zFileOperator.commitc C s� | j s� x6 t | j � D]% } t j j | � r t j | � q Wt | j d d �} xk | D]c } t j | � } | r� | d g k s� t � t j j | | d � } t j | � t j | � q^ W| j � d S)N�reverseT� __pycache__r )r� �listr� rc rd r� r� �sortedr� �listdirrf r$ �rmdirr� )r� r� �dirsr� �flist�sdr- r- r. �rollback� s zFileOperator.rollback)r� r� r� r� r� r� r� r� r� r r r �set_executable_moder� r r r" r# r- r- r- r- r. r� � s r� c 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)N�.r )r} �modules� __import__r� r~ rj )� module_name� dotted_path�modr( r+ r� r- r- r. �resolve� s r5 c @ sO e Z d Z d d � Z e d d � � Z d d � Z d d � Z e j Z d S) � ExportEntryc C s( | | _ | | _ | | _ | | _ d S)N)rN rr rp r� )r� rN rr rp r� r- r- r. r� � s zExportEntry.__init__c C s t | j | j � S)N)r5 rr rp )r� r- r- r. r� � s zExportEntry.valuec C s d | j | j | j | j f S)Nz<ExportEntry %s = %s:%s %s>)rN rr rp r� )r� r- r- r. �__repr__� s zExportEntry.__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)r� r6 rN rr rp r� )r� �otherr( r- r- r. �__eq__� s zExportEntry.__eq__N) r� r� r� r� r� r� r7 r9 r� �__hash__r- r- r- r. r6 � s r6 z�(?P<name>(\w|[-.+])+) \s*=\s*(?P<callable>(\w+)([:\.]\w+)*) \s*(\[\s*(?P<flags>[\w-]+(=\w+)?(,\s*\w+(=\w+)?)*)\s*\])? c C s> t j | � } | sF d } d | k s3 d | k r:t d | � � n� | j � } | d } | d } | j d � } | d k r� | d } } n1 | d k r� t d | � � | j d � \ } } | d } | d k r d | k s� d | k r t d | � � g } n d d � | j d � D� } t | | | | � } | S) Nr@ rA zInvalid specification '%s'rN �callable�:r r r� c S s g | ] } | j � � q Sr- )rS )rK r� r- r- r. rM � s z$get_export_entry.<locals>.<listcomp>rB )�ENTRY_RE�searchr � groupdict�countr� r6 ) � specificationr' r( r� rN rd �colonsrr rp r� r- r- r. r� � s2 r� c C s | d k r d } t j d k rE d t j k rE t j j d � } n t j j d � } t j j | � r� t j | t j � } | s� t j d | � nH y t j | � d } Wn. t k r� t j d | d d �d } Yn X| st j � } t j d | � t j j | | � S) a� 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``. Nz.distlib�nt� LOCALAPPDATAz $localappdata�~z(Directory exists but is not writable: %sTzUnable to create %s�exc_infoFz#Default location unusable, using %s)rc rN �environrd � expandvars� expanduserr� r r r� �warning�makedirs�OSErrorr� r� r$ )rp r( �usabler- r- r. �get_cache_base� s& rN c C s] t j j t j j | � � \ } } | r< | j d d � } | j t j d � } | | d S)a 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. r< z---z--z.cache)rc rd � splitdriver� r! re )rd r� r� r- r- r. �path_to_cache_dir s $rP c C s | j d � s | d S| S)Nrb )�endswith)r, r- r- r. � ensure_slash s rR c C s� d } } d | k r[ | j d d � \ } } d | k rC | } n | j d d � \ } } | rm t | � } | r t | � } | | | f S)NrC r r< )�rsplitr� r )rX �username�passwordrr r- r- r. �parse_credentials$ s rV c C s t j d � } t j | � | S)N� )rc �umask)r( r- r- r. �get_process_umask3 s rY c C sU d } d } x0 t | � D]" \ } } t | t � s d } Pq W| d k sQ t � | S)NTF)� enumerater� r rf )�seqr( r] r, r- r- r. �is_string_sequence8 s r\ z3([a-z0-9_]+([.-][a-z_][a-z0-9_]*)*)-([a-z0-9_.+-]+)z -py(\d\.?\d?)c C s d } d } t | � j d d � } t j | � } | r^ | j d � } | d | j � � } | r� t | � t | � d k r� t j t j | � d | � } | r� | j � } | d | � | | d d � | f } | d k rt j | � } | r| j d � | j d � | f } | S)zw Extract name, version, python version from a filename (no extension) Return name, version, pyver or None N� �-r z\br� ) r r! �PYTHON_VERSIONr> r� �startrg �rer �escaper �PROJECT_NAME_AND_VERSION)�filename� project_namer( �pyverr' �nr- r- r. �split_filenameG s" " ' !rh z-(?P<name>[\w .-]+)\s*\(\s*(?P<ver>[^\s)]+)\)$c C sO t j | � } | s% t d | � � | j � } | d j � j � | d f S)z� A utility method used to get name and version from a string. 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This class was moved from resources to here because it could be used by other modules, e.g. the wheel module. c C sp t j j | � s t j | � t j | � j d @d k rK t j d | � t j j t j j | � � | _ d S)zu Initialise an instance. :param base: The base directory where the cache should be located. �? r z Directory '%s' is not privateN) rc rd r� rK r� r r� rJ r� �normpathro )r� ro r- r- r. r� � s zCache.__init__c C s t | � S)zN Converts a resource prefix to a directory name in the cache. )rP )r� rr r- r- r. � prefix_to_dir� s zCache.prefix_to_dirc C s� g } x� t j | j � D]� } t j j | j | � } yW t j j | � s^ t j j | � rn t j | � n t j j | � r� t j | � Wq t k r� | j | � Yq Xq W| S)z" Clear the cache. ) rc r( ro rd r$ r� r� r� r� r r� r� r" )r� � not_removed�fnr- r- r. �clear� s $ z Cache.clearN)r� r� r� �__doc__r� r� r� r- r- r- r. r � s r c @ sU e Z d Z d Z d d � Z d d d � Z d d � Z d d � Z d d � Z d S)� EventMixinz1 A very simple publish/subscribe system. c C s i | _ d S)N)� _subscribers)r� r- r- r. r� � s zEventMixin.__init__Tc C s\ | j } | | k r+ t | g � | | <n- | | } | rK | j | � n | j | � d S)a` 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)r� r r" � appendleft)r� �event� subscriberr" �subs�sqr- r- r. r� � s zEventMixin.addc C s: | j } | | k r% t d | � � | | j | � d S)z� Remove a subscriber for an event. :param event: The name of an event. :param subscriber: The subscriber to be removed. zNo subscribers: %rN)r� r� r� )r� r� r� r� r- r- r. r� � s zEventMixin.removec C s t | j j | f � � S)z� Return an iterator for the subscribers for an event. :param event: The event to return subscribers for. )�iterr� rr )r� r� r- r- r. �get_subscribers s zEventMixin.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)a^ 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. z"Exception during event publicationNz/publish %s: args = %s, kwargs = %s, result = %s)r� r� r� rs r" r )r� r� �args�kwargsr( r� r� r- r- r. �publish s zEventMixin.publishN) r� r� r� r� r� r� r� r� r� r- r- r- r. r� � s r� c @ s� e 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)� Sequencerc C s" i | _ i | _ t � | _ d S)N)�_preds�_succsr� �_nodes)r� r- r- r. r� " s zSequencer.__init__c C s | j j | � d S)N)r� r� )r� �noder- r- r. �add_node' s zSequencer.add_nodeFc C s | | j k r | j j | � | r� x3 t | j j | f � � D] } | j | | � qA Wx3 t | j j | f � � D] } | j | | � qw Wx3 t | j j � � D] \ } } | s� | j | =q� Wx3 t | j j � � D] \ } } | s� | j | =q� Wd S)N)r� r� r� r� rr r� r& r� )r� r� �edgesr� r, r� rH r- r- r. � remove_node* s """"zSequencer.remove_nodec C sT | | k s t � | j j | t � � j | � | j j | t � � j | � d S)N)rf r� � setdefaultr� r� r� )r� �pred�succr- r- r. r� : s z 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)Nz %r not a successor of anythingz%r not a successor of %r)rf r� r� �KeyErrorr� r� )r� r� r� �preds�succsr- r- r. r� ? s zSequencer.removec C s+ | | j k p* | | j k p* | | j k S)N)r� r� r� )r� �stepr- r- r. �is_stepL s zSequencer.is_stepc C s� | j | � s t d | � � g } g } t � } | j | � x� | r� | j d � } | | k r� | | k r� | j | � | j | � qD | j | � | j | � | j j | f � } | j | � qD Wt | � S)Nz Unknown: %rr ) r� r� r� r" rj r� r� r� rr �extend�reversed)r� �finalr( �todo�seenr� r� r- r- r. � get_stepsP s" zSequencer.get_stepsc sy d g � g � i � i � g � | j � � � � � � � � f d d � � x$ � D] } | � k rU � | � qU W� S)Nr c s0 � d � | <� d � | <� d d 7<� j | � y � | } Wn t k r_ g } Yn Xxi | D]a } | � k r� � | � t � | � | � � | <qg | � k rg t � | � | � � | <qg W� | � | k r,g } x* � j � } | j | � | | k r� Pq� Wt | � } � j | � d S)Nr r )r" r� �minrj �tuple)r� � successors� successor�connected_component� component)�graph�index� index_counter�lowlinksr( �stack� strongconnectr- r. r� t s. z3Sequencer.strong_connections.<locals>.strongconnect)r� )r� r� r- )r� r� r� r� r( r� r� r. �strong_connectionsi s $" z Sequencer.strong_connectionsc C s� d g } xF | j D]; } | j | } x% | D] } | j d | | f � q- Wq Wx" | j D] } | j d | � q\ W| j d � d j | � S)Nz digraph G {z %s -> %s;z %s;�}� )r� r" r� r$ )r� r( r� r� r� r� r- r- r. �dot� s z Sequencer.dotN) r� r� r� r� r� r� r� r� r� r� �propertyr� r� r- r- r- r. r� ! s 3r� �.tar.gz�.tar.bz2�.tar�.zip�.tgz�.tbz�.whlTc s� � � f d d � } t j j � � � t � � � d } | d k r� | j d � r] d } nj | j d � r{ d } d } nL | j d � r� d } d } n. | j d � r� d } d } n t d | � � z� | d k rt | d � } | rT| j � } xZ | D] } | | � q� Wn? t j | | � } | rT| j � } x | D] } | | � q@W| d k r�t j d d k r�x; | j � D]- } t | j t � s�| j j d � | _ q�W| j � � Wd | r�| j � Xd S)Nc sv t | t � s | j d � } t j j t j j � | � � } | j � � sb | � t j k rr t d | � � d S)Nzutf-8z path outside destination: %r) r� r �decoderc rd r� r$ rT re r� )rd r� )�dest_dir�plenr- r. � check_path� s !#z unarchive.<locals>.check_path�.zip�.whl�zip�.tar.gz�.tgz�tgzzr:gz�.tar.bz2�.tbz�tbzzr:bz2z.tar�tarro zUnknown format for %rr r� zutf-8)r� r� )r� r� )r� r� )rc rd r� rg rQ r� r �namelist�tarfiler� �getnamesr} r� � getmembersr� rN r r� � extractallr� ) �archive_filenamer� �formatr� r� �archiver �namesrN �tarinfor- )r� r� r. � unarchive� sH r� c 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 QRX| S)z*zip a directory tree into a BytesIO objectr� N) �io�BytesIOrg r rc �walkrd r$ r� ) � directoryr( �dlen�zfrh r* r rN �full�relrq r- r- r. �zip_dir� s r� r �K�M�G�T�Pc @ s� e 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)�Progress�UNKNOWNr �d c C sV | d k s | | k s t � | | _ | _ | | _ d | _ d | _ d | _ d S)Nr F)rf r� �cur�max�started�elapsed�done)r� �minval�maxvalr- r- r. r� � s zProgress.__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)r� rf r� r� �timer� r� )r� �curval�nowr- r- r. �update s $ zProgress.updatec C s* | d k s t � | j | j | � d S)Nr )rf r� r� )r� �incrr- r- r. � increment s zProgress.incrementc C s | j | j � | S)N)r� r� )r� r- r- r. r` s zProgress.startc C s, | j d k r | j | j � d | _ d S)NT)r� r� r� )r� r- r- r. �stop s z Progress.stopc C s | j d k r | j S| j S)N)r� �unknown)r� r- r- r. �maximum s zProgress.maximumc C sZ | j r d } nD | j d k r* d } n, d | j | j | j | j } d | } | S)Nz100 %z ?? %g Y@z%3d %%)r� r� r� r� )r� r( rH r- r- r. � percentage s " zProgress.percentagec C sU | d k r | j d k s- | j | j k r6 d } n t j d t j | � � } | S)Nr z??:??:??z%H:%M:%S)r� r� r� r� �strftime�gmtime)r� �durationr( r- r- r. �format_duration* s - zProgress.format_durationc C s� | j r d } | j } n� d } | j d k r9 d } ne | j d k sZ | j | j k rc d } n; t | j | j � } | | j | j } | d | j } d | | j | � f S)N�DonezETA r r z%s: %sr� )r� r� r� r� r� �floatr� )r� rr r^ r- r- r. �ETA3 s ! z Progress.ETAc C se | j d k r d } n | j | j | j } x% t D] } | d k rI P| d } q6 Wd | | f S)Nr g i� g @�@z%d %sB/s)r� r� r� �UNITS)r� r( �unitr- r- r. �speedF s zProgress.speedN)r� r� r� r� r� r� r� r` r� r� r� r� r� r r r- r- r- r. r� � s r� z \{([^}]*)\}z[^/\\,{]\*\*|\*\*[^/\\,}]z^[^{]*\}|\{[^}]*$c C sT t j | � r% d } t | | � � t j | � rJ d } t | | � � t | � S)zAExtended globbing function that supports ** and {opt1,opt2,opt3}.z7invalid glob %r: recursive glob "**" must be used alonez2invalid glob %r: mismatching set marker '{' or '}')�_CHECK_RECURSIVE_GLOBr> r� �_CHECK_MISMATCH_SET�_iglob)� path_globr� r- r- r. r [ s r c c s� t j | d � } t | � d k r� t | � d k sB t | � � | \ } } } x0| j d � D]4 } x+ t d j | | | f � � D] } | Vq� Wqa Wn� d | k r� x� t | � D] } | Vq� Wn� | j d d � \ } } | d k r� d } | d k rd } n | j d � } | j d � } x] t j | � D]L \ } } } t j j | � } x( t t j j | | � � D] } | VqqWq4Wd S) Nr r� rB r z**r/ rl rb �\) � RICH_GLOBr� rg rf r r$ � std_iglobr% rc r� rd r� ) r �rich_path_globrr r� rp �itemrd �radical�dirr r� r- r- r. r f s* % "r )� HTTPSHandler�match_hostname�CertificateErrorc @ s( e Z d Z d Z d Z d d � Z d S)�HTTPSConnectionNTc C s� t j | j | j f | j � } t | d d � rF | | _ | j � t t d � s� | j rj t j } n t j } t j | | j | j d | d t j d | j �| _ n� t j t j � } t t d � r� | j t j O_ | j r� | j | j | j � i } | j rKt j | _ | j d | j � t t d d � rK| j | d <| j | | � | _ | j r�| j r�y0 t | j j � | j � t j d | j � Wn5 t k r�| j j t j � | j j � � Yn Xd S) N� _tunnel_hostF� SSLContext� cert_reqs� ssl_version�ca_certs� OP_NO_SSLv2�cafile�HAS_SNI�server_hostnamezHost verified: %s) r� �create_connection�host�port�timeoutr~ �sock�_tunnelr| �sslr � CERT_REQUIRED� CERT_NONE� wrap_socket�key_file� cert_file�PROTOCOL_SSLv23r �optionsr �load_cert_chain� verify_mode�load_verify_locations� check_domainr � getpeercertr� r r �shutdown� SHUT_RDWRr� )r� r" r �contextr� r- r- r. �connect� s@ ! zHTTPSConnection.connect)r� r� r� r r/ r4 r- r- r- r. r � s r c @ s7 e Z d Z d d d � Z d d � Z d d � Z d S) r Tc C s# t j | � | | _ | | _ d S)N)�BaseHTTPSHandlerr� r r/ )r� r r/ r- r- r. r� � s zHTTPSHandler.__init__c O s4 t | | � } | j r0 | j | _ | j | _ | S)a This is called to create a connection instance. 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If it ever changes so that we *must* pass a class, we'll create an UnsafeHTTPSConnection class which just sets check_domain to False in the class definition, and choose which one to pass to do_open. )r r r/ )r� r� r� r( r- r- r. � _conn_maker� s zHTTPSHandler._conn_makerc C sq y | j | j | � SWnS t k rl } z3 d t | j � k rW t d | j � � n � WYd d } ~ Xn Xd S)Nzcertificate verify failedz*Unable to verify server certificate for %s)�do_openr6 r �str�reasonr r )r� rY rx r- r- r. � https_open� s zHTTPSHandler.https_openN)r� r� r� r� r6 r: r- r- r- r. r � s r c @ s e Z d Z d d � Z d S)�HTTPSOnlyHandlerc C s t d | � � d S)NzAUnexpected HTTP request on what should be a secure connection: %s)r )r� rY r- r- r. � http_open� s zHTTPSOnlyHandler.http_openN)r� r� r� r< r- r- r- r. r; � s r; � � c @ s" e Z d Z d d d d � Z d S)�HTTPr Nc K s2 | d k r d } | j | j | | | � � d S)Nr )�_setup�_connection_class)r� r r r� r- r- r. r� � s z HTTP.__init__)r� r� r� r� r- r- r- r. r? � s r? c @ s" e Z d Z d d d d � Z d S)�HTTPSr Nc K s2 | d k r d } | j | j | | | � � d S)Nr )r@ rA )r� r r r� r- r- r. r� � s zHTTPS.__init__)r� r� r� r� r- r- r- r. rB � s rB c @ s+ e Z d Z d d d � Z d d � Z d S)� Transportr c C s | | _ t j j | | � d S)N)r! r rC r� )r� r! � use_datetimer- r- r. r� � s zTransport.__init__c C s� | j | � \ } } } t d k r< t | d | j �} nK | j sY | | j d k rz | | _ | t j | � f | _ | j d } | S)Nr= r> r! r r )r= r> )� get_host_info� _ver_infor? 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� j | � } � j d d � } � j d f � } | r� t � f d d � | D� � } � � f d d � � D� } t | � } | | | � } | r� x0 | j � D]" \ } } t | | � | � � q� W| S) Nc s� t | t t f � r= t | � � f d d � | D� � } nj t | t � r� d | k rj � j | � } q� i } x4 | D] } � | | � | | <qw Wn � j | � } | S)Nc s g | ] } � | � � q Sr- r- )rK r] )�convertr- r. rM � s zBConfigurator.configure_custom.<locals>.convert.<locals>.<listcomp>z())r� r& r� �type�dict�configure_customrm )�or( r� )rm r� r- r. rm � s ( z.Configurator.configure_custom.<locals>.convertz()r/ z[]c s g | ] } � | � � q Sr- r- )rK rq )rm r- r. rM � s z1Configurator.configure_custom.<locals>.<listcomp>c s2 g | ]( } t | � r | � � | � f � q Sr- )r )rK r� )rk rm r- r. rM � s )rj r; r5 r� ro r� �setattr) r� rk r� �propsr� r� r� r( rg rH r- )rk rm r� r. rp � s z Configurator.configure_customc C sF | j | } t | t � rB d | k rB | j | � | j | <} | S)Nz())rk r� ro rp )r� r� r( r- r- r. � __getitem__� s zConfigurator.__getitem__c C s_ t j j | � s* t j j | j | � } t j | d d d �� } t j | � } Wd QRX| S)z*Default converter for the inc:// protocol.ro r� zutf-8N) rc rd �isabsr$ ro r� r� r� r� )r� r� r� r( r- r- r. rh � s zConfigurator.inc_convert) r� r� r� ro r �value_convertersr� rp rt rh r- r- )rl r. rg y s rg c @ s@ e Z d Z d Z d d d d � Z d d � Z d d � Z d S) �SubprocessMixinzC Mixin for running subprocesses and capturing their output FNc C s | | _ | | _ d S)N)�verbose�progress)r� rx ry r- r- r. r� � s zSubprocessMixin.__init__c C s� | j } | j } xr | j � } | s( P| d k rD | | | � q | s] t j j d � n t j j | j d � � t j j � q W| j � d S)z� Read lines from a subprocess' output stream and either pass to a progress callable (if specified) or write progress information to sys.stderr. 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