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utils
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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. r� N) r �appendr r r r9 r: r; r� r� )r� ZsitesZsiteZegglinkr( r( r* � 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� r2 �location)r� r� r( r( r* r� s r� c G s t j| f|�� d S r' )�logger�info)�msg�argsr( r( r* � write_output s r� c C s t �| � t| � d S r' )r9 rE r )Z build_dirr( r( r* �_make_build_dir 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 dd� |D �| _ d S )Nc s s | ] }|V qd S r' r( )r� �lr( r( r* � <genexpr>& s z$FakeFile.__init__.<locals>.<genexpr>��_gen)�self�linesr( r( r* �__init__% s zFakeFile.__init__c C sP z4zt | j�W W S tk r0 | j� � Y W S X W n tk rJ Y dS X d S )Nrw )�nextr� � NameError� StopIteration�r� r( r( r* �readline( s zFakeFile.readlinec C s | j S r' r� r� r( r( r* �__iter__1 s zFakeFile.__iter__N)�__name__� __module__� __qualname__�__doc__r� r� r� r( r( r( r* r� " s r� c @ s$ e Zd Zedd� �Zedd� �ZdS )� StreamWrapperc C s || _ | � S r' )� orig_stream)�clsr� r( r( r* � from_stream7 s zStreamWrapper.from_streamc C s | j jS r' )r� �encodingr� r( r( r* r� = s zStreamWrapper.encodingN)r� r� r� � classmethodr� �propertyr� r( r( r( r* r� 5 s r� c c s@ t t| �}tt| t�|�� zt t| �V W 5 tt| |� 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)�getattrrK �setattrr� r� )Z stream_nameZ orig_stdoutr( r( r* �captured_outputB 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� r( r( r( r* r5 Q s c C s t d�S )z See captured_stdout(). �stderrr� r( r( r( r* �captured_stderr] s r� c @ s e Zd ZdZdd� Zdd� ZdS )�cached_propertyz�A property that is only computed once per instance and then replaces itself with an ordinary attribute. Deleting the attribute resets the property. Source: https://github.com/bottlepy/bottle/blob/0.11.5/bottle.py#L175 c C s t |d�| _|| _d S )Nr� )r� r� r\ )r� r\ r( r( r* r� l s zcached_property.__init__c C s( |d kr | S | � |� }|j| j j< |S r' )r\ �__dict__r� )r� �objr� r) r( r( r* �__get__p s zcached_property.__get__N)r� r� r� r� r� r� r( r( r( r* r� d s r� c C s4 t j�| �}|dkr t �� }|�|�}|r0|jS dS )zCGet the installed version of dist_name avoiding pkg_resources cacheN)r Z Requirementr r� �find�version)Z dist_namer� Zreqr� r( r( r* r7 x s c C s t | dd� dS )z Consume an iterable at C speed.r )�maxlenNr )�iteratorr( r( r* �consume� s r� c O s@ t t| tt| ���f|�}dd� |�� D �}||d< tdd|�S )Nc S s i | ]\}}||�qS r( r( )r� r� r) r( r( r* � <dictcomp>� s zenum.<locals>.<dictcomp>Zreverse_mapping�Enumr( )�dict�zip�rangerC �items�type)Z sequentialZnamedZenums�reverser( r( r* �enum� s r� c C s* |dkr | S d| kr d� | �} d� | |�S )z. Build a netloc from a host-port pair N�:�[{}]z{}:{})r? )Zhost�portr( r( r* � build_netloc� s r� �httpsc C s4 | � d�dkr(d| kr(d| kr(d�| �} d�|| �S )z) Build a full URL from a netloc. r� re �@�[r� z{}://{})�countr? )�netloc�schemer( r( r* �build_url_from_netloc� s r� c C s t | �}t�|�}|j|jfS )z2 Return the host-port pair from a netloc. )r� � urllib_parseZurlparseZhostnamer� )r� �urlZparsedr( r( r* � parse_netloc� s r c C sX d| kr| dfS | � dd�\}} d|kr6|�dd�}n|df}tdd� |D ��}| |fS )zp Parse out and remove the auth information from a netloc. Returns: (netloc, (username, password)). r� )NNrq r� Nc s s" | ]}|d krd nt |�V qd S r' )�urllib_unquote)r� �xr( r( r* r� � s z)split_auth_from_netloc.<locals>.<genexpr>)�rsplitrz �tuple)r� �authZ user_passr( r( r* �split_auth_from_netloc� s �r c C sL t | �\} \}}|dkr | S |dkr.d}d}nt�|�}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" N�****rw z:****z{user}{password}@{netloc})�user�passwordr� )r r� Zquoter? )r� r r r( r( r* � redact_netloc� s �r c C s@ t �| �}||j�}|j|d |j|j|jf}t �|�}||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� Zurlsplitr� r� r: ZqueryZfragmentZ urlunsplit)r Ztransform_netlocZpurlZ netloc_tupleZ url_piecesZsurlr( r( r* �_transform_url� s � r c C s t | �S r' )r �r� r( r( r* � _get_netloc s r c C s t | �fS r' )r r r( r( r* �_redact_netloc s r 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)) �r r )r Zurl_without_authr� r r( r( r* �split_auth_netloc_from_url s r c C s t | t�d S )z7Return a copy of url with 'username:password@' removed.r r �r r( r( r* r8 s c C s t | t�d S )z.Replace the password in a given url with ****.r )r r r r( r( r* �redact_auth_from_url s r c @ s4 e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd S ) � HiddenTextc C s || _ || _d S r' )�secret�redacted)r� r r r( r( r* r� " s zHiddenText.__init__c C s d� t| ��S )Nz<HiddenText {!r}>)r? rs r� r( r( r* �__repr__+ s zHiddenText.__repr__c C s | j S r' �r r� r( r( r* �__str__/ s zHiddenText.__str__c C s t | �t |�krdS | j|jkS )NF)r� r �r� �otherr( r( r* �__eq__4 s zHiddenText.__eq__c C s | |k S r' r( r r( r( r* �__ne__? s zHiddenText.__ne__N)r� r� r� r� r r r r r( r( r( r* r ! s r c C s t | dd�S )Nr r )r )r) r( r( r* � hide_valueD s r c C s t | �}t| |d�S )Nr )r r )r r r( r( r* �hide_urlI s r c C s� t � }dD ]P}|�dj|d�� |�djtjd |d�� |�djtjdd� d |i�� q | oxtoxtj�tj d �|k}|r�tj d d gtj d d� }t d �d� |����dS )z�Protection of pip.exe from modification on Windows On Windows, any operation modifying pip should be run as: python -m pip ... )rw z.exezpip{ext})rt z pip{}{ext}r z pip{}.{}{ext}Nre rt z-mrI rq z3To modify pip, please run the following command: {}� ) �set�addr? rK ri r r9 r: rJ rL rM r r; )Z modifying_pipZ pip_namesrt Zshould_show_use_python_msgZ new_commandr( r( r* �(protect_pip_from_modification_on_windowsO s, "�� � ���r# c C s t jdk ot j�� S )z!Is this console interactive? 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