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Edit: util.cpython-39.pyc
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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 �| �}|r,|�� d }| |�� d � } n�| s:td��n�| d }|dvrVtd| ��d�|d�}| dd � } |g}| r�| d |kr��qqt| d |kr�|�|� | dd � } qtt�| �}|s�td| ��|�|�� d � | |�� d � } qtd�|�}td| ��|�|� d�|�}| dd � � � } || fS ) 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�qZoq�parts�s� r, �0/usr/lib/python3.9/site-packages/distlib/util.py� marker_varA s: z parse_marker.<locals>.marker_varc s� | rR| d dkrR� | dd � � � �\}} | d dkr@td| ��| dd � � � } nZ�| �\}} | r�t�| �}|srq�|�� d }| |�� d � } �| �\}} |||d�}q^|}|| fS )Nr �(r �)� unterminated parenthesis: %s��op�lhs�rhs)r% r � MARKER_OPr r r )r& r( r4 r' r3 r5 )�markerr. r, r- � marker_expre s z!parse_marker.<locals>.marker_exprc sR � | �\}} | rJt �| �}|s qJ| |�� d � } � | �\}} d||d�}q || fS )N�andr2 )�ANDr r �r& r4 r' r5 )r8 r, r- � marker_andx s z parse_marker.<locals>.marker_andc sR � | �\}} | rJt �| �}|s qJ| |�� d � } � | �\}} d||d�}q || fS )N�orr2 )�ORr r r; )r< r, r- r7 � s z parse_marker.<locals>.markerr, )Z marker_stringr, )r7 r< r8 r. r- � parse_marker8 s $ r? c C s0 | � � }|r|�d�rdS t�|�}|s4td| ��|�� d }||�� d� }d } } }}|�r:|d dk�r:|�dd�}|dk r�td| ��|d|� } ||d d� �� }g }| �r0t�| �}|s�td | ��|� |�� d � | |�� d� } | �s�q0| d d k�r td | ��| dd� �� } q�|�s:d}|�r�|d d k�r�|dd� �� }t �|�}|�sztd | ��|�� d }t |�} | j �r�| j �s�td| ��||�� d� �� }n�dd� } |d dk�r�| |�\}}n�|�dd�}|dk �rtd| ��|d|� } ||d d� �� }t�| ��r@| | �\}} nXt�| �}|�s\td| ��|�� d } | |�� d� �� } | �r�td| ��d| fg}|�r�|d dk�r�td| ��|dd� �� }t|�\}}|�r�|d dk�r�td| ��|�s |}n d|d�dd � |D ��f }t||||||d �S ) z� Parse a requirement passed in as a string. 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Nr zinvalid version: %srC r �invalid constraint: %s)� COMPARE_OPr r r �VERSION_IDENTIFIERr r" r% )Z ver_remainingr' �versionsr3 �vr, r, r- � get_versions� s* z'parse_requirement.<locals>.get_versionsr/ r0 r1 rE z~=�;zinvalid requirement: %sz unexpected trailing data: %s�%s %s�, c S s g | ] }d | �qS )rL r, )�.0Zconr, r, r- � <listcomp> � z%parse_requirement.<locals>.<listcomp>)�name�extras� constraintsr7 �urlZ requirement)�strip� startswithr r r r r �findr% r" � NON_SPACEr �scheme�netlocrF rG r? r$ r )�reqr& r' ZdistnamerR Z mark_exprrH �uri�ir+ �trJ �_rI Zrsr, r, r- �parse_requirement� s� �r` c C s� dd� }i }|D ]�\}}}t j�| |�}t|�D ]p}t j�||�} t| �D ]T} || | �} |du rn|�| d� qJ||| �} |�t jjd��d�} | d | || < qJq0q|S )z%Find destinations for resources filesc S sD | � tjjd�} |� tjjd�}|�| �s.J �|t| �d � �d�S �N�/)r! �os�path�seprV �lenr% )�rootrd r, r, r- � get_rel_path s z)get_resources_dests.<locals>.get_rel_pathNrb )rc rd r$ r �popr! re �rstrip)Zresources_rootZrulesrh Z destinations�base�suffix�dest�prefixZabs_baseZabs_globZabs_pathZ resource_fileZrel_pathZrel_destr, r, r- �get_resources_dests s ro c C s( t td�rd} ntjttdtj�k} | S )NZ real_prefixT� base_prefix)�hasattr�sysrn �getattr�r( r, r, r- �in_venv$ s ru c C s t j} t| t�st| �} | S �N)rr � executable� isinstancer r rt r, r, r- �get_executable. s ry c C sN | }t |�}| }|s |r |}|r|d �� }||v r6qJ|rd||| f }q|S )Nr z %c: %s %s)r �lower)�promptZ allowed_charsZ error_prompt�default�pr+ �cr, r, r- �proceed@ s r c C s8 t |t�r|�� }i }|D ]}|| v r| | ||< q|S rv )rx r �split)�d�keysr( �keyr, r, r- �extract_by_keyP s r� c C sv t jd dkr t�d�| �} | �� }t|�} zlt�| �}|d d d }|�� D ]B\}}|�� D ]0\}}d||f }t |�} | d us�J �| ||< q`qP|W S t y� | � dd� Y n0 dd � } t � � } z| | | � W n: t j�y | �� t�|�}t|�} | | | � Y n0 i }| �� D ]R} i || < }| �| �D ]4\} }d| |f }t |�} | d u�sbJ �| || < �q8�q |S ) Nr � �utf-8� extensionszpython.exports�exportsz%s = %sc S s$ t | d�r| �|� n | �|� d S )N� read_file)rq r� Zreadfp)�cp�streamr, r, r- � read_streamm s z!read_exports.<locals>.read_stream)rr � version_info�codecs� getreader�readr �json�load�items�get_export_entry� Exception�seekr � ConfigParserZMissingSectionHeaderError�close�textwrap�dedent�sections)r� �dataZjdatar( �group�entries�krI r+ �entryr� r� r� rQ �valuer, r, r- � read_exportsY sD r� c C s� t jd dkr t�d�|�}t�� }| �� D ]l\}}|�|� |�� D ]P}|j d u r\|j }nd|j |j f }|j r�d|d� |j �f }|� ||j|� qFq,|�|� d S )Nr r� r� z%s:%sz%s [%s]rM )rr r� r� � getwriterr r� r� � add_section�valuesrl rn �flagsr$ �setrQ �write)r� r� r� r� rI r� r+ r, r, r- � write_exports� s r� c c s. t �� } z| V W t�| � n t�| � 0 d S rv )�tempfile�mkdtempr �rmtree)Ztdr, r, r- �tempdir� s r� c c s8 t �� }z t �| � d V W t �|� n t �|� 0 d S rv )rc �getcwd�chdir)r� �cwdr, r, r- r� � s r� � c c s8 t �� }z t �| � d V W t �|� n t �|� 0 d S rv )�socketZgetdefaulttimeoutZsetdefaulttimeout)ZsecondsZctor, r, r- �socket_timeout� s r� c @ s e Zd Zdd� Zddd�ZdS )�cached_propertyc C s || _ d S rv )�func)�selfr� r, r, r- �__init__� s zcached_property.__init__Nc C s, |d u r | S | � |�}t�|| j j|� |S rv )r� �object� __setattr__�__name__)r� �obj�clsr� r, r, r- �__get__� s zcached_property.__get__)N)r� � __module__� __qualname__r� r� r, r, r, r- r� � s r� c C s~ t jdkr| S | s| S | d dkr.td| ��| d dkrFtd| ��| �d�}t j|v rh|�t j� qP|srt jS t jj|� 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 absolute���z path '%s' cannot end with '/')rc re � ValueErrorr� �curdir�removerd r$ )�pathname�pathsr, r, r- � convert_path� s r� c @ s� e Zd Zd$dd�Zdd� Zdd� Zdd � Zd%d d �Zd&dd�Zdd� Z dd� Z dd� Z dd� Z dd� Z d'dd�Zd d � Zd d � Zd d!� Zd"d#� Zd S )(� FileOperatorFc C s || _ t� | _| �� d S rv )�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�|� d S rv )r� r� �add)r� rd r, r, r- �record_as_written� s z FileOperator.record_as_writtenc C sH t j�|�s tdt j�|� ��t j�|�s0dS t �|�jt �|�jkS )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� | � tj�|�� t�d||� | js�d}|rdtj�|�rDd| }n tj�|�rdtj� |�sdd| }|rtt |d ��t � ||� | � |� dS )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� Zinfile�outfile�check�msgr, r, r- � copy_file s zFileOperator.copy_fileNc C s� t j�|�rJ �| �t j�|�� t�d||� | js~|d u rJt|d�}nt j|d|d�}zt � ||� W |� � n |� � 0 | � |� d S )NzCopying stream %s to %s�wb�w��encoding)rc rd �isdirr� r� r� r� r� �openr� r � copyfileobjr� r� )r� Zinstreamr� r� Z outstreamr, r, r- � copy_stream s zFileOperator.copy_streamc C sp | � tj�|�� | jsbtj�|�r.t�|� t|d��}|�|� W d � n1 sX0 Y | � |� 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 | � ||�|�� d S rv )r� �encode)r� rd r� r� r, r, r- �write_text_file, s z FileOperator.write_text_filec C sn t jdks t jdkrjt jdkrj|D ]F}| jr:t�d|� q"t �|�j|B |@ }t�d||� t �||� q"d S )N�posix�javazchanging mode of %szchanging mode of %s to %o) rc rQ �_namer� r� r� r� �st_mode�chmod)r� �bits�mask�filesr� �moder, r, r- �set_mode/ s zFileOperator.set_modec C s | � dd|�S )Nim i� )r� )r+ r� r, r, r- �<lambda>; rP zFileOperator.<lambda>c C s| t j�|�}|| jvrxt j�|�sx| j�|� t j�|�\}}| �|� t� d| � | j sft � |� | j rx| 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�d||� | js�|s0| �||�rX|s:d }n |�|�sHJ �|t|�d � }i }|rvttd�rvtj j |d< tj |||dfi |�� | � |� |S )NzByte-compiling %s to %s�PycInvalidationMode�invalidation_modeT) r r� r� r� r� rV rf rq � py_compiler� � CHECKED_HASH�compiler� ) r� rd �optimize�forcern Zhashed_invalidationZdpathZdiagpathZcompile_kwargsr, r, r- � byte_compileI s zFileOperator.byte_compilec C s� t j�|�r�t j�|�r^t j�|�s^t�d|� | js@t� |� | j r�|| j v r�| j � |� nPt j�|�rpd}nd}t�d||� | js�t � |� | j r�|| j v r�| 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_removedZ s" zFileOperator.ensure_removedc C sD d}|s@t j�|�r$t �|t j�}q@t j�|�}||kr:q@|}q|S r� )rc rd r� �access�W_OKr� )r� rd r( �parentr, r, r- � is_writableo s zFileOperator.is_writablec C s" | j s J �| j| jf}| �� |S )zV Commit recorded changes, turn off recording, return changes. )r� r� r� r� )r� r( r, r, r- �commit{ s zFileOperator.commitc C s� | j s�t| j�D ]}tj�|�rt�|� qt| jdd�}|D ]F}t� |�}|rz|dgks^J �tj� ||d �}t� |� t� |� q>| � � d S )NT)�reverse� __pycache__r ) r� �listr� rc rd r� r� �sortedr� �listdirr$ �rmdirr� )r� r� �dirsr� �flist�sdr, r, r- �rollback� s zFileOperator.rollback)F)T)N)FFNF)r� r� r� r� r� r� r� r� r� r� r� r� Zset_executable_moder� r r r r r r, r, r, r- r� � s r� c C s^ | t jv rt j| }nt| �}|d u r,|}n.|�d�}t||�d��}|D ]}t||�}qJ|S )N�.r )rr �modules� __import__r� rs ri )Z module_nameZ dotted_path�modr( r* r} r, r, r- �resolve� s r c @ s6 e Zd Zdd� Zedd� �Zdd� Zdd� Zej Z d S ) � ExportEntryc C s || _ || _|| _|| _d S rv �rQ rn rl r� )r� rQ rn rl r� r, r, r- r� � s zExportEntry.__init__c C s t | j| j�S rv )r rn rl r� r, r, r- r� � s zExportEntry.valuec C s d| j | j| j| jf S )Nz<ExportEntry %s = %s:%s %s>r r� r, r, r- �__repr__� s �zExportEntry.__repr__c C sD t |t�sd}n0| j|jko>| j|jko>| j|jko>| j|jk}|S r� )rx r rQ rn rl r� )r� �otherr( r, r, r- �__eq__� s � � �zExportEntry.__eq__N) r� r� r� r� r� r� r r r� �__hash__r, r, r, r- r � s r z�(?P<name>(\w|[-.+])+) \s*=\s*(?P<callable>(\w+)([:\.]\w+)*) \s*(\[\s*(?P<flags>[\w-]+(=\w+)?(,\s*\w+(=\w+)?)*)\s*\])? c C s� t �| �}|s0d }d| v s"d| v r�td| ��n�|�� }|d }|d }|�d�}|dkrf|d }}n"|dkrztd| ��|�d�\}}|d } | d u r�d| v s�d| v r�td| ��g } nd d � | �d �D �} t|||| �}|S ) NrA rB zInvalid specification '%s'rQ �callable�:r r r� c S s g | ] }|� � �qS r, �rU )rN r� r, r, r- rO � rP z$get_export_entry.<locals>.<listcomp>rC )�ENTRY_RE�searchr � groupdict�countr� r ) Z specificationr' r( r� rQ rd Zcolonsrn rl r� r, r, r- r� � s8 � ��r� c C s� | du r d} t jdkr.dt jv r.t j�d�}n t j�d�}t j�|�rft �|t j�}|s�t � d|� n:zt � |� d}W n& t y� t j d |dd � d }Y n0 |s�t �� }t � d |� t 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�ntZ LOCALAPPDATAz $localappdata�~z(Directory exists but is not writable: %sTzUnable to create %s)�exc_infoFz#Default location unusable, using %s)rc rQ �environrd � expandvars� expanduserr� r r r� �warning�makedirs�OSErrorr� r� r$ )rl r( Zusabler, r, r- �get_cache_base� s& r2 c C sB t j�t j�| ��\}}|r(|�dd�}|�t jd�}|| 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 r4 c C s | � d�s| d S | S ra )�endswith)r+ r, r, r- � ensure_slash s r6 c C s` d }}d| v r>| � dd�\}} d|vr.|}n|�dd�\}}|rJt|�}|rVt|�}||| fS )NrD r r# )�rsplitr� r )rZ �username�passwordrn r, r, r- �parse_credentials& s r: c C s t �d�} t �| � | S )N� )rc �umaskrt r, r, r- �get_process_umask5 s r= c C s< d}d }t | �D ]\}}t|t�sd} q,q|d us8J �|S )NTF)� enumeraterx r )�seqr( r] r+ r, r, r- �is_string_sequence: s r@ z3([a-z0-9_]+([.-][a-z_][a-z0-9_]*)*)-([a-z0-9_.+-]+)z -py(\d\.?\d?)c C s� d}d}t | ��dd�} t�| �}|r@|�d�}| d|�� � } |r�t| �t|�d kr�t�t� |�d | �}|r�|� � }| d|� | |d d� |f}|du r�t �| �}|r�|�d�|�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� �startrf �rer �escaper �PROJECT_NAME_AND_VERSION)�filenameZ project_namer( Zpyverr' �nr, r, r- �split_filenameI s" rJ z-(?P<name>[\w .-]+)\s*\(\s*(?P<ver>[^\s)]+)\)$c C s: t �| �}|std| ��|�� }|d �� �� |d fS )z� A utility method used to get name and version from a string. From e.g. a Provides-Dist value. :param p: A value in a form 'foo (1.0)' :return: The name and version as a tuple. z$Ill-formed name/version string: '%s'rQ Zver)�NAME_VERSION_REr r r' rU rz )r} r' r� r, r, r- �parse_name_and_versione s rL c C s� t � }t | pg �} t |pg �}d| v r8| �d� ||O }| D ]x}|dkrT|�|� q<|�d�r�|dd � }||vr�t�d| � ||v r�|�|� q<||vr�t�d| � |�|� q<|S )N�*rB r zundeclared extra: %s)r� r� r� rV r� r/ )Z requestedZ availabler( �rZunwantedr, r, r- � get_extrast s& rO c C s� i }zNt | �}|�� }|�d�}|�d�s8t�d|� nt�d�|�}t� |�}W n2 t y� } zt� d| |� W Y d }~n d }~0 0 |S )Nz Content-Typezapplication/jsonz(Unexpected response for JSON request: %sr� z&Failed to get external data for %s: %s) r r� �getrV r� r r� r� r� r� r� � exception)rT r( ZrespZheadersZct�reader�er, r, r- �_get_external_data� s $rT z'https://www.red-dove.com/pypi/projects/c C s* d| d � � | f }tt|�}t|�}|S )Nz%s/%s/project.jsonr ��upperr �_external_data_base_urlrT )rQ rT r( r, r, r- �get_project_data� s rX c C s( d| d � � | |f }tt|�}t|�S )Nz%s/%s/package-%s.jsonr rU )rQ �versionrT r, r, r- �get_package_data� s rZ c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �Cachez� A class implementing a cache for resources that need to live in the file system e.g. shared libraries. This class was moved from resources to here because it could be used by other modules, e.g. the wheel module. c C sP t j�|�st �|� t �|�jd@ dkr6t�d|� t j�t j� |��| _ dS )zu Initialise an instance. :param base: The base directory where the cache should be located. �? r z Directory '%s' is not privateN) rc rd r� r0 r� r� r� r/ r� �normpathrk )r� rk r, r, r- r� � s zCache.__init__c C s t |�S )zN Converts a resource prefix to a directory name in the cache. )r4 )r� rn r, r, r- � prefix_to_dir� s zCache.prefix_to_dirc C s� g }t �| j�D ]p}t j�| j|�}z>t j�|�s>t j�|�rJt �|� nt j�|�r`t � |� W q t y~ |� |� Y q0 q|S )z" Clear the cache. ) rc r rk rd r$ r� r� r� r� r r� r� r" )r� Z 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 @ s: e Zd ZdZdd� Zddd�Zdd� Zd d � Zd d � Zd S )� EventMixinz1 A very simple publish/subscribe system. c C s i | _ d S rv )� _subscribersr� r, r, r- r� � s zEventMixin.__init__Tc C sD | j }||vr t|g�||< n"|| }|r6|�|� n |�|� dS )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)rc r r" � appendleft)r� �event� subscriberr" �subs�sqr, r, r- r� � s zEventMixin.addc C s, | j }||vrtd| ��|| �|� dS )z� Remove a subscriber for an event. :param event: The name of an event. :param subscriber: The subscriber to be removed. zNo subscribers: %rN)rc r� r� )r� re rf rg r, r, r- r� � s zEventMixin.removec C s t | j�|d��S )z� Return an iterator for the subscribers for an event. :param event: The event to return subscribers for. r, )�iterrc rP )r� re r, r, r- �get_subscribers s zEventMixin.get_subscribersc O sp g }| � |�D ]J}z||g|�R i |��}W n tyL t�d� d}Y n0 |�|� qt�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)rj r� r� rQ r" r )r� re �args�kwargsr( rf r� r, r, r- �publish s �zEventMixin.publishN)T) r� r� r� ra r� r� r� rj rm r, r, r, r- rb � s rb c @ s^ e Zd Zdd� Zdd� Zddd�Zdd � Zd d � Zd d � Zdd� Z e dd� �Z e dd� �Z dS )� Sequencerc C s i | _ i | _t� | _d S rv )�_preds�_succsr� �_nodesr� r, r, r- r� $ s zSequencer.__init__c C s | j �|� d S rv )rq r� �r� �noder, r, r- �add_node) s zSequencer.add_nodeFc C s� || j v r| j �|� |r�t| j�|d��D ]}| �||� q,t| j�|d��D ]}| �||� qPt| j�� �D ]\}}|sp| j|= qpt| j�� �D ]\}}|s�| j|= q�d S )Nr, )rq r� r� ro rP rp r r� )r� rs Zedgesr} r+ r� rI r, r, r- � remove_node, s zSequencer.remove_nodec C s< ||ks J �| j �|t� ��|� | j�|t� ��|� d S rv )ro � setdefaultr� r� rp )r� �pred�succr, r, r- r� < s z Sequencer.addc C s� ||ks J �z| j | }| j| }W n tyB td| ��Y n0 z|�|� |�|� W n" ty~ td||f ��Y n0 d S )Nz %r not a successor of anythingz%r not a successor of %r)ro rp �KeyErrorr� r� )r� rw rx �predsZsuccsr, r, r- r� A s zSequencer.removec C s || j v p || jv p || jv S rv )ro rp rq )r� �stepr, r, r- �is_stepN s �zSequencer.is_stepc C s� | � |�std| ��g }g }t� }|�|� |r�|�d�}||v rb||kr�|�|� |�|� q.|�|� |�|� | j�|d�}|� |� q.t |�S )Nz Unknown: %rr r, ) r| r� r� r" ri r� r� ro rP �extend�reversed)r� �finalr( Ztodo�seenr{ rz r, r, r- � get_stepsR s" zSequencer.get_stepsc sR dg�g �i �i �g �| j � � ������fdd��� D ]}|�vr8�|� q8�S )Nr c s� �d �| < �d �| < �d d7 < �� | � z � | }W n tyT g }Y n0 |D ]J}|�vr��|� t�| �| ��| < qZ|�v rZt�| �| ��| < qZ�| �| kr�g }��� }|� |� || kr�q�q�t|�}�� |� d S )Nr r )r" r� �minri �tuple)rs Z successors� successorZconnected_componentZ component�Zgraph�indexZ index_counterZlowlinksr( �stack� strongconnectr, r- r� v s* z3Sequencer.strong_connections.<locals>.strongconnect)rp rr r, r� r- �strong_connectionsk s " z Sequencer.strong_connectionsc C sf dg}| j D ]*}| j | }|D ]}|�d||f � q q | jD ]}|�d| � q>|�d� d�|�S )Nz digraph G {z %s -> %s;z %s;�}� )ro r" rq r$ )r� r( rx rz rw rs r, r, r- �dot� s z Sequencer.dotN)F) r� r� r� r� rt ru r� r� r| r� �propertyr� r� r, r, r, r- rn # s 2rn )�.tar.gz�.tar.bz2�.tar�.zip�.tgz�.tbz�.whlTc sZ � �fdd�}t j�� �� t� ��d }|d u r�| �d�r>d}nH| �d�rRd}d}n4| �d�rfd }d }n | �d �rzd }d }n td| ��z�|dkr�t| d �}|r�|�� }|D ] }||� q�n*t� | |�}|r�|� � }|D ] }||� q�|dk�r*t j d dk �r*|� � D ]"} t| jt��s| j�d�| _�q|�� � W |�rV|�� n|�rT|�� 0 d S )Nc sR t | t�s| �d�} tj�tj�� | ��}|�� �rB|� tjkrNt d| ��d S )Nr� z path outside destination: %r) rx r �decoderc rd r� r$ rV re r� )rd r} ��dest_dir�plenr, r- � check_path� s z unarchive.<locals>.check_path)r� r� �zip)r� r� Ztgzzr:gz)r� r� Ztbzzr:bz2r� �tarrN zUnknown format for %rr r� r� )rc rd r� rf r5 r� r Znamelist�tarfiler� Zgetnamesrr r� Z getmembersrx rQ r r� � extractallr� ) Zarchive_filenamer� �formatr� r� �archiver� �namesrQ �tarinfor, r� r- � unarchive� sL �r� c C s� t �� }t| �}t|d��d}t�| �D ]H\}}}|D ]8}tj�||�}||d� } tj�| |�} |�|| � q4q&W d � n1 s�0 Y |S )z*zip a directory tree into a BytesIO objectr� N) �io�BytesIOrf r rc �walkrd r$ r� ) Z directoryr( Zdlen�zfrg r r� rQ Zfull�relrm r, r, r- �zip_dir� s .r� )r �K�M�G�T�Pc @ sr e Zd ZdZddd�Zdd� Zdd � Zd d � Zd d � Ze dd� �Z e dd� �Z dd� Z e dd� �Z e dd� �ZdS )�ProgressZUNKNOWNr �d c C s< |d u s||ksJ �| | _ | _|| _d | _d| _d| _d S )Nr F)r� �cur�max�started�elapsed�done)r� ZminvalZmaxvalr, r, r- r� � s zProgress.__init__c C sV | j |ksJ �| jd u s&|| jks&J �|| _t�� }| jd u rF|| _n || j | _d S rv )r� r� r� �timer� r� )r� ZcurvalZnowr, r, r- �update s zProgress.updatec C s |dks J �| � | j| � d S �Nr )r� r� )r� Zincrr, r, r- � increment s zProgress.incrementc C s | � | j� | S rv )r� r� r� r, r, r- rD s zProgress.startc C s | j d ur| �| j � d| _d S )NT)r� r� r� r� r, r, r- �stop s z Progress.stopc C s | j d u r| jS | j S rv )r� �unknownr� r, r, r- �maximum s zProgress.maximumc C sD | j r d}n4| jd u r d}n$d| j| j | j| j }d| }|S )Nz100 %z ?? 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