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r" )r( r r! r" r r r r r2 5 s �z Creator._argsc C s dS )a Determine if we can create a virtual environment. :param interpreter: the interpreter in question :return: ``None`` if we can't create, any other object otherwise that will be forwarded to :meth:`add_parser_arguments` Tr )�clsr r r r � can_create< s zCreator.can_createc C s> |j dd| jd� |j dddddd � |j d d dd dd � d S )a' Add CLI arguments for the creator. :param parser: the CLI parser :param app_data: the application data folder :param interpreter: the interpreter we're asked to create virtual environment for :param meta: value as returned by :meth:`can_create` r z!directory to create virtualenv at)�help�typez--clearr! � store_truezZremove the destination directory if exist before starting (will overwrite files otherwise)F)r �actionr6 �defaultz--no-vcs-ignorer" z>don't create VCS ignore directive in the destination directoryN)� add_argument� validate_dest)r4 �parserr �metar% r r r �add_parser_argumentsG s& �� �z Creator.add_parser_argumentsc C s t �)z)Perform the virtual environment creation.)�NotImplementedErrorr r r r �createe s zCreator.createc C s~ dd� }t �� }t� }|dkrddini }t|�D ]%}z|j|fi |���|�}||kr.W qt|�� ty> d||< Y qw |rWd�|�� �}d|� d |�d |��} t | ��t j |v rjd |�d t j � d �} t | ��t |�} | � � r�| �� r�d| � d�} t | ��t t j�t| ����� } | } | r�| � � r�t �t| �t j�r� t| �S || | � | j| j} } | | kr�|| | � | } | s�t| �S )zBNo path separator in the path, valid chars and must be write-able.c S s6 t tj�|j| jg�� }d| �|�� d|� �}t|��)N�the destination z is not write-able at )r �os�path� commonprefix�parts� relative_tor )r �value�common�msgr r r �non_write_ablen s z-Creator.validate_dest.<locals>.non_write_able�mbcs�errors�ignoreN� zthe file system codec (z) cannot handle characters z within z destination z& must not contain the path separator (z,) as this would break the activation scriptsrB z already exists and is a file)�sys�getfilesystemencodingr r( �encode�decode� ValueErrorr1 �keysr rC �pathsepr �exists�is_filerD �abspath�resolve�access�W_OK�parent�name)r4 � raw_valuerK �encoding�refused�kwargs�char�trip�badrJ rH r �base�_r r r r< j sN � � � � zCreator.validate_destc C sV | j �� r| jrt�d| j � t| j � | �� | �� | �� | j s)| � � d S d S )Nz delete %s) r rW r! �LOGGER�debugr rA �add_cachedir_tag� set_pyenv_cfgr" �setup_ignore_vcsr r r r �run� s �z Creator.runc C s6 | j d }|�� st�d��� }|j|dd� dS dS )zBGenerate a file indicating that this is not meant to be backed up.z CACHEDIR.TAGa Signature: 8a477f597d28d172789f06886806bc55 # This file is a cache directory tag created by Python virtualenv. # For information about cache directory tags, see: # https://bford.info/cachedir/ �utf-8�r` N)r rW �textwrap�dedent�strip� write_text)r �cachedir_tag_file�cachedir_tag_textr r r rj � s ��zCreator.add_cachedir_tagc C sb t � | j_tj�tj�| jj��| jd< | jj | jd< d� dd� | jj D ��| jd< t | jd< d S )N�home�implementation�.c s s � | ]}t |�V qd S r )r( )r+ �ir r r r. � s � z(Creator.set_pyenv_cfg.<locals>.<genexpr>� version_info� virtualenv) r r$ �contentrC rD �dirnamerY r �system_executablerw r1 rz r r r r r rk � s zCreator.set_pyenv_cfgc C s( | j d }|�� s|jddd� dS dS )z9Generate ignore instructions for version control systems.z .gitignorez(# created by virtualenv automatically * rn ro N)r rW rs )r � git_ignorer r r rl � s �zCreator.setup_ignore_vcsc C s4 | j du r| jdurt| j| �� | j| j�| _ | j S )zb:return: debug information about the virtual environment (only valid after :meth:`create` has run)N)r �exe�get_env_debug_info� debug_scriptr% r& r r r r ri � s z Creator.debugc C s t S r )� DEBUG_SCRIPTr r r r r� � s zCreator.debug_scriptNr )r r( )r r r �__doc__r r3 r2 � classmethodr5 r? r rA r< rm rj rk rl �propertyri � staticmethodr� r r r r r s* 1 r c C s |� � }|�dd � |�|�� }t| �t|�g}t�dt|�� t|�\}}}W d � n1 s1w Y z(|dkrR|rBt|�} n|dkrNd|v rNt |��t |��t � |�} |r]|| d< W n t yy } z|||t | �d�W Y d } ~ S d } ~ ww d| v r�d | d v r�| d d d= | S ) N� PYTHONPATHz debug via %rr � �file�err)�outr� � returncode� exceptionrP rD )�copy�pop�ensure_extractedr( rh ri r r r �OSError� Exception�json�loads�repr) �env_exer� r% r& �debug_script_extracted�cmd�coder� r� �resultr� r r r r� � s2 � � ��r� ))� __future__r r� �loggingrC rP rp �abcr r �argparser �astr � collectionsr �pathlibr �#virtualenv.discovery.cached_py_infor �virtualenv.util.pathr �virtualenv.util.subprocessr �virtualenv.versionr r$ r rD rY �__file__r] �HEREr� � getLoggerr rh r r r� �__all__r r r r �<module> s4 3 �
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