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misc.cpython-36.pyc
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The tuple can have any length. :return: a tuple of length three if `py_version_info` is non-None. Otherwise, return `py_version_info` unchanged (i.e. None). � r N� VersionInfo)r )�lenr )�py_version_inforE rE rF �normalize_version_info[ s rL c C sP yt j| � W n< tk rJ } z |jtjkr:|jtjkr:� W Y dd}~X nX dS )z os.path.makedirs without EEXIST.N)r= �makedirs�OSError�errno�EEXIST� ENOTEMPTY)r> �erE rE rF r: o s c C sN y.t jjtjd �} | dkr(djtj�S | S W n ttt fk rH Y nX dS )Nr � __main__.py�-cz {} -m pip�pip)rS rT ) r= r> �basename�sys�argvrC � executable�AttributeError� TypeError� IndexError)�progrE rE rF r8 z s i� i� )�stop_max_delay� wait_fixedFc C s t j| |td� d S )N)� ignore_errors�onerror)�shutilr/ �rmtree_errorhandler)�dirr` rE rE rF r/ � s c C sV yt j|�jtj@ }W n ttfk r0 dS X |rPt j|tj� | |� dS � dS )z�On Windows, the files in .svn are read-only, so when rmtree() tries to remove them, an exception is thrown. We catch that here, remove the read-only attribute, and hopefully continue without problems.N)r= �stat�st_mode�S_IWRITE�IOErrorrN �chmod)�funcr> �exc_info�has_attr_readonlyrE rE rF rc � s rc c C sd | dkr dS t | t�r| S y| jtj� d�}W n0 tk r^ trRtdj| ��}nt | �}Y nX |S )z� Convert a bytes (or text) path to text (unicode in Python 2) for display and logging purposes. This function should never error out. Also, this function is mainly needed for Python 2 since in Python 3 str paths are already text. N�strictzb{!r}) � isinstancer �decoderW �getfilesystemencoding�UnicodeDecodeErrorr r rC �ascii)r> r0 rE rE rF �path_to_display� s rs c C st t jjt jj| ��} tjd dkrB| jtj� d�} | jtj � d�} | j t j � t jj �rpd| t t j � �d� } | S )zTGives the display value for a given path, making it relative to cwd if possible.r � �replace�.N)r= r> �normcaserB rW � version_inforo rp �encode�getdefaultencoding� startswith�getcwd�seprJ )r> rE rE rF r0 � s �.bakc C s: d}|}x(t jj| | �r0|d7 }|t|� }q W | | S )z\Figure out the name of a directory to back up the given dir to (adding .bak, .bak2, etc)� )r= r> �exists�str)rd �ext�n� extensionrE rE rF r1 � s c C s2 x&t jjdd�j� D ]}||kr|S qW t| |�S )N�PIP_EXISTS_ACTION� )r= �environ�get�splitr2 )�message�options�actionrE rE rF �ask_path_exists� s r� c C s t jjd�rtdj| ���dS )z&Raise an error if no input is allowed.� PIP_NO_INPUTz7No input was expected ($PIP_NO_INPUT set); question: {}N)r= r� r� � ExceptionrC )r� rE rE rF �_check_no_input� s r� c C sJ xDt | � t| �}|j� j� }||kr>tdj|dj|��� q|S qW dS )z@Ask the message interactively, with the given possible responsesz>Your response ({!r}) was not one of the expected responses: {}z, N)r� r �strip�lower�printrC r? )r� r� �responserE rE rF r2 � s c C s t | � t| �S )z Ask for input interactively.)r� r )r� rE rE rF � ask_input s r� c C s t | � tj| �S )z!Ask for a password interactively.)r� �getpass)r� rE rE rF � ask_password s r� c C s\ | dkrdj | d d �S | d kr4dj t| d ��S | dkrJdj | d �S dj t| ��S d S ) Ni� z {:.1f} MBg @�@� z{} kBz {:.1f} kBz{} bytesi@B i' )rC �int)�bytesrE rE rF r4 s c s@ dd� | D �} dd� t | ddi�D �� � fdd�| D �}|� fS )z�Return a list of formatted rows and a list of column sizes. For example:: >>> tabulate([['foobar', 2000], [0xdeadbeef]]) (['foobar 2000', '3735928559'], [10, 4]) c S s g | ]}t tt|���qS rE )�tupler r� )�.0�rowrE rE rF � <listcomp># s z tabulate.<locals>.<listcomp>c S s g | ]}t tt|���qS rE )�maxr rJ )r� �colrE rE rF r� $ s � fillvaluer� c s$ g | ] }d j ttj|� ��j� �qS )� )r? r r� �ljust�rstrip)r� r� )�sizesrE rF r� % s )r )�rows�tablerE )r� rF �tabulate s r� c C sP t jj| �sdS t jj| d�}t jj|�r.dS t jj| d�}t jj|�rLdS dS )zBIs path is a directory containing setup.py or pyproject.toml? Fzsetup.pyTzpyproject.toml)r= r> �isdirr? �isfile)r> �setup_py�pyproject_tomlrE rE rF r5 ) s c c s x| j |�}|sP |V qW dS )z7Yield pieces of data from a file-like object until EOF.N)�read)�file�size�chunkrE rE rF � read_chunks8 s r� Tc C s2 t | �} |rtjj| �} n tjj| �} tjj| �S )zN Convert a path to its canonical, case-normalized, absolute version. )r r= r> �realpathrB rw )r> �resolve_symlinksrE rE rF r6 A s c C s@ t j| �\}}|j� jd�r8|dd� | }|dd� }||fS )z,Like os.path.splitext, but take off .tar tooz.tar� N���r� )� posixpathr3 r� �endswith)r> �baser� rE rE rF r3 O s c C s| t jj|�\}}|r0|r0t jj|� r0t j|� tj| |� t jj| �\}}|rx|rxyt j|� W n tk rv Y nX dS )z7Like os.renames(), but handles renaming across devices.N) r= r> r� r� rM rb �move� removedirsrN )�old�new�head�tailrE rE rF r7 Y s c C s t � s dS | jttj��S )z� Return True if path is within sys.prefix, if we're running in a virtualenv. If we're not in a virtualenv, all paths are considered "local." 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Always True if we're not in a virtualenv. )r� � dist_location)�distrE rE rF � dist_is_localz s r� c C s t | �jtt��S )zF Return True if given Distribution is installed in user site. )r� r{ r6 r )r� rE rE rF �dist_in_usersite� s r� c C s t | �jtt��S )z[ Return True if given Distribution is installed in sysconfig.get_python_lib(). )r� r{ r6 r )r� rE rE rF �dist_in_site_packages� s r� c C s, t t| ��}|jt td�d jd�d ��S )zf Return True if given Distribution is installed in path matching distutils_scheme layout. r� �purelib�pythonr )r6 r� r{ r r� )r� � norm_pathrE rE rF �dist_in_install_path� s r� c C s8 x2t jD ](}tjj|| jd �}tjj|�rdS qW dS )zC Return True if given Distribution is an editable install. z .egg-linkTF)rW r> r= r? � project_namer� )r� � path_item�egg_linkrE rE rF �dist_is_editable� s r� c s� |rt j|�}nt j}| r t�ndd� �|r6dd� � ndd� � |rLdd� �ndd� �|r^t�nd d � �� ����fd d �|D �S ) a^ Return a list of installed Distribution objects. If ``local_only`` is True (default), only return installations local to the current virtualenv, if in a virtualenv. ``skip`` argument is an iterable of lower-case project names to ignore; defaults to stdlib_pkgs If ``include_editables`` is False, don't report editables. If ``editables_only`` is True , only report editables. If ``user_only`` is True , only report installations in the user site directory. If ``paths`` is set, only report the distributions present at the specified list of locations. c S s dS )NTrE )�drE rE rF � local_test� s z/get_installed_distributions.<locals>.local_testc S s dS )NTrE )r� rE rE rF � editable_test� s z2get_installed_distributions.<locals>.editable_testc S s t | � S )N)r� )r� rE rE rF r� � s c S s t | �S )N)r� )r� rE rE rF �editables_only_test� s z8get_installed_distributions.<locals>.editables_only_testc S s dS )NTrE )r� rE rE rF r� � s c S s dS )NTrE )r� rE rE rF � user_test� s z.get_installed_distributions.<locals>.user_testc s: g | ]2}�|�r|j �kr� |�r�|�r�|�r|�qS rE )�key)r� r� )r� r� r� �skipr� rE rF r� � s z/get_installed_distributions.<locals>.<listcomp>)r � WorkingSet� working_setr� r� )� local_onlyr� �include_editables�editables_only� user_only�pathsr� rE )r� r� r� r� r� rF �get_installed_distributions� s r� c C s4 t | �} tdf ddddd�}dd� |D �}|j| �S )z�Find a distribution matching the ``req_name`` in the environment. This searches from *all* distributions available in the environment, to match the behavior of ``pkg_resources.get_distribution()``. FTN)r� r� r� r� r� r� c S s i | ]}|t |j��qS rE )r r� )r� �prE rE rF � <dictcomp> s z(_search_distribution.<locals>.<dictcomp>)r r� r� )�req_name�packages�pkg_dictrE rE rF �_search_distribution� s r� c C s< t | �}|s4ytjj| � W n tjk r2 dS X t | �S )z�Given a requirement name, return the installed Distribution object. This searches from *all* distributions available in the environment, to match the behavior of ``pkg_resources.get_distribution()``. N)r� r r� �require�DistributionNotFound)r� r� rE rE rF �get_distribution s r� c C sz g }t � r,|jt� t� rDtrD|jt� ntr:|jt� |jt� x0|D ](}tjj|| j�d }tjj |�rJ|S qJW dS )a Return the path for the .egg-link file if it exists, otherwise, None. There's 3 scenarios: 1) not in a virtualenv try to find in site.USER_SITE, then site_packages 2) in a no-global virtualenv try to find in site_packages 3) in a yes-global virtualenv try to find in site_packages, then site.USER_SITE (don't look in global location) For #1 and #3, there could be odd cases, where there's an egg-link in 2 locations. This method will just return the first one found. z .egg-linkN) r �appendr r r r= r> r? r� r� )r� �sites�site�egglinkrE rE rF � egg_link_path$ s r� c C s t | �}|rt|�S t| j�S )aO Get the site-packages location of this distribution. Generally this is dist.location, except in the case of develop-installed packages, where dist.location is the source code location, and we want to know where the egg-link file is. The returned location is normalized (in particular, with symlinks removed). )r� r6 �location)r� r� rE rE rF r� H s r� c G s t j| f|�� d S )N)�logger�info)�msg�argsrE rE rF � write_outputX s r� c @ s( e Zd ZdZdd� Zdd� Zdd� ZdS ) �FakeFilezQWrap a list of lines in an object with readline() to make ConfigParser happy.c C s t |�| _d S )N)�iter�_gen)�self�linesrE rE rF �__init__` s zFakeFile.__init__c C s$ y t | j�S tk r dS X d S )Nr� )�nextr� � StopIteration)r� rE rE rF �readlinec s zFakeFile.readlinec C s | j S )N)r� )r� rE rE rF �__iter__i s zFakeFile.__iter__N)�__name__� __module__� __qualname__�__doc__r� r� r� rE rE rE rF r� ] s r� c @ s$ e Zd Zedd� �Zedd� �ZdS )� StreamWrapperc C s || _ | � S )N)� orig_stream)�clsr rE rE rF � from_streamo s zStreamWrapper.from_streamc C s | j jS )N)r �encoding)r� rE rE rF r u s zStreamWrapper.encodingN)r� r� r� � classmethodr �propertyr rE rE rE rF r� m s r� c c s@ t t| �}tt| tj|�� zt t| �V W dtt| |� X dS )z�Return a context manager used by captured_stdout/stdin/stderr that temporarily replaces the sys stream *stream_name* with a StringIO. Taken from Lib/support/__init__.py in the CPython repo. N)�getattrrW �setattrr� r )� stream_name� orig_stdoutrE rE rF �captured_outputz s r c C s t d�S )z�Capture the output of sys.stdout: with captured_stdout() as stdout: print('hello') self.assertEqual(stdout.getvalue(), 'hello ') Taken from Lib/support/__init__.py in the CPython repo. �stdout)r rE rE rE rF r9 � s c C s t d�S )z See captured_stdout(). �stderr)r rE rE rE rF �captured_stderr� s r c C s4 t jj| �}|dkr t j� }|j|�}|r0|jS dS )zCGet the installed version of dist_name avoiding pkg_resources cacheN)r � Requirementr r� �find�version)� dist_namer� �reqr� rE rE rF r; � s c C s t | dd� dS )z Consume an iterable at C speed.r )�maxlenN)r )�iteratorrE rE rF �consume� s r c O s@ t t| tt| ���f|�}dd� |j� D �}||d< tdf |�S )Nc S s i | ]\}}||�qS rE rE )r� r� �valuerE rE rF r� � s zenum.<locals>.<dictcomp>�reverse_mapping�Enum)�dict�zip�rangerJ �items�type)� sequential�named�enums�reverserE rE rF �enum� s r" c C s* |dkr | S d| kr dj | �} dj | |�S )z. Build a netloc from a host-port pair N�:z[{}]z{}:{})rC )�host�portrE rE rF � build_netloc� s r& �httpsc C s4 | j d�dkr(d| kr(d| kr(dj| �} dj|| �S )z) Build a full URL from a netloc. r# rt �@�[z[{}]z{}://{})�countrC )�netloc�schemerE rE rF �build_url_from_netloc� s r- c C s t | �}tj|�}|j|jfS )z2 Return the host-port pair from a netloc. )r- � urllib_parse�urlparse�hostnamer% )r+ �url�parsedrE rE rF � parse_netloc� s r3 c C sX d| kr| dfS | j dd�\}} d|kr6|jdd�}n|df}tdd� |D ��}| |fS )zp Parse out and remove the auth information from a netloc. Returns: (netloc, (username, password)). r( Nr r# c s s" | ]}|d krd nt |�V qd S )N)�urllib_unquote)r� �xrE rE rF � <genexpr>� s z)split_auth_from_netloc.<locals>.<genexpr>)NN)�rsplitr� r� )r+ �auth� user_passrE rE rF �split_auth_from_netloc� s r: c C sL t | �\} \}}|dkr | S |dkr.d}d}ntj|�}d}dj||| d�S )z� Replace the sensitive data in a netloc with "****", if it exists. For example: - "user:pass@example.com" returns "user:****@example.com" - "accesstoken@example.com" returns "****@example.com" Nz****r� z:****z{user}{password}@{netloc})�user�passwordr+ )r: r. �quoterC )r+ r; r< rE rE rF � redact_netloc� s r> c C s@ t j| �}||j�}|j|d |j|j|jf}t j|�}||fS )aR Transform and replace netloc in a url. transform_netloc is a function taking the netloc and returning a tuple. The first element of this tuple is the new netloc. The entire tuple is returned. Returns a tuple containing the transformed url as item 0 and the original tuple returned by transform_netloc as item 1. r )r. �urlsplitr+ r, r> �query�fragment� urlunsplit)r1 �transform_netloc�purl� netloc_tuple� url_pieces�surlrE rE rF �_transform_url s rH c C s t | �S )N)r: )r+ rE rE rF � _get_netloc$ s rI c C s t | �fS )N)r> )r+ rE rE rF �_redact_netloc( s rJ c C s t | t�\}\}}|||fS )z� Parse a url into separate netloc, auth, and url with no auth. Returns: (url_without_auth, netloc, (username, password)) )rH rI )r1 �url_without_authr+ r8 rE rE rF �split_auth_netloc_from_url, s rL c C s t | t�d S )z7Return a copy of url with 'username:password@' removed.r )rH rI )r1 rE rE rF r< 7 s c C s t | t�d S )z.Replace the password in a given url with ****.r )rH rJ )r1 rE rE rF �redact_auth_from_url? s rM c @ s4 e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd S ) � HiddenTextc C s || _ || _d S )N)�secret�redacted)r� rO rP rE rE rF r� F s zHiddenText.__init__c C s dj t| ��S )Nz<HiddenText {!r}>)rC r� )r� rE rE rF �__repr__O s zHiddenText.__repr__c C s | j S )N)rP )r� rE rE rF �__str__S s zHiddenText.__str__c C s t | �t |�krdS | j|jkS )NF)r rO )r� �otherrE rE rF �__eq__X s zHiddenText.__eq__c C s | |k S )NrE )r� rS rE rE rF �__ne__c s zHiddenText.__ne__N)r� r� r� r� rQ rR rT rU rE rE rE rF rN E s rN c C s t | dd�S )Nz****)rP )rN )r rE rE rF � hide_valueh s rV c C s t | �}t| |d�S )N)rP )rM rN )r1 rP rE rE rF �hide_urlm s rW c C sz ddj tjd �dj tjdd� � g}| oBtoBtjjtjd �|k}|rvtjddgtjd d� }t d j d j |����dS ) z�Protection of pip.exe from modification on Windows On Windows, any operation modifying pip should be run as: python -m pip ... zpip.exez pip{}.exer z pip{}.{}.exeNrt z-mrU r z3To modify pip, please run the following command: {}r� ) rC rW rx r r= r> rV rX rY r r? )� modifying_pip� pip_names�should_show_use_python_msg� new_commandrE rE rF �(protect_pip_from_modification_on_windowss s r\ c C s t jdk ot jj� S )z!Is this console interactive? N)rW �stdin�isattyrE rE rE rF �is_console_interactive� s r_ r � c C sV t j� }d}t| d��2}x*t||d�D ]}|t|�7 }|j|� q&W W dQ R X ||fS )z:Return (hash, length) for path using hashlib.sha256() r �rb)r� N)�hashlib�sha256�openr� rJ �update)r> � blocksize�h�length�f�blockrE rE rF � hash_file� s rk c C s& y ddl } W n tk r dS X dS )z8 Return whether the wheel package is installed. r NFT)�wheel� ImportError)rl rE rE rF �is_wheel_installed� s rn c C s t | �} t| | �S )zb Return paired elements. 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