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U @{?^�& � @ s d Z ddlZddlZddlZddlZddlZddlZddlZddlZddl m Z ddl m Z ddl mZ dddd d d d gZG d d � d e�ZG dd� dejj�Zdd� Zdd� Zdd� Zdd� ZG dd� de�ZG dd� de�Ze� Zej Z ej Z ej Z ej Z ej Z e� Z!dS ) a- A PEP 517 interface to setuptools Previously, when a user or a command line tool (let's call it a "frontend") needed to make a request of setuptools to take a certain action, for example, generating a list of installation requirements, the frontend would would call "setup.py egg_info" or "setup.py bdist_wheel" on the command line. PEP 517 defines a different method of interfacing with setuptools. Rather than calling "setup.py" directly, the frontend should: 1. Set the current directory to the directory with a setup.py file 2. Import this module into a safe python interpreter (one in which setuptools can potentially set global variables or crash hard). 3. Call one of the functions defined in PEP 517. What each function does is defined in PEP 517. However, here is a "casual" definition of the functions (this definition should not be relied on for bug reports or API stability): - `build_wheel`: build a wheel in the folder and return the basename - `get_requires_for_build_wheel`: get the `setup_requires` to build - `prepare_metadata_for_build_wheel`: get the `install_requires` - `build_sdist`: build an sdist in the folder and return the basename - `get_requires_for_build_sdist`: get the `setup_requires` to build Again, this is not a formal definition! Just a "taste" of the module. � N)�TemporaryDirectory)�parse_requirements)�makedirs� get_requires_for_build_sdist� get_requires_for_build_wheel� prepare_metadata_for_build_wheel� build_wheel� build_sdist� __legacy__�SetupRequirementsErrorc @ s e Zd Zdd� ZdS )r c C s || _ d S �N)� specifiers)�selfr � r �7/usr/lib/python3/dist-packages/setuptools/build_meta.py�__init__5 s z SetupRequirementsError.__init__N)�__name__� __module__� __qualname__r r r r r r 4 s c @ s& e Zd Zdd� Zeejdd� ��ZdS )� Distributionc C s t ttt|���}t|��d S r )�list�map�strr r )r r Zspecifier_listr r r �fetch_build_eggs: s z Distribution.fetch_build_eggsc c s* t jj}| t j_z dV W 5 |t j_X dS )zw Replace distutils.dist.Distribution with this class for the duration of this context. N)� distutilsZcorer )�clsZorigr r r �patch? s zDistribution.patchN)r r r r � classmethod� contextlib�contextmanagerr r r r r r 9 s r c C s* t jd dkr&t| t�s&| �t �� �S | S )z� Convert a filename to a string (on Python 2, explicitly a byte string, not Unicode) as distutils checks for the exact type str. r � )�sys� version_info� isinstancer �encode�getfilesystemencoding)�sr r r �_to_strO s r' c s � fdd�t �� �D �S )Nc s& g | ] }t j�t j�� |��r|�qS r )�os�path�isdir�join)�.0�name�Za_dirr r � <listcomp>] s �z1_get_immediate_subdirectories.<locals>.<listcomp>�r( �listdirr. r r. r � _get_immediate_subdirectories\ s r2 c s" � fdd�t �| �D �}|\}|S )Nc 3 s | ]}|� � �r|V qd S r ��endswith�r, �f�� extensionr r � <genexpr>b s �z'_file_with_extension.<locals>.<genexpr>r0 )Z directoryr8 Zmatching�filer r7 r �_file_with_extensiona s �r; c C s& t j�| �st�d�S ttdt�| �S )Nz%from setuptools import setup; setup()�open)r( r) �exists�io�StringIO�getattr�tokenizer< �� setup_scriptr r r �_open_setup_scriptj s rD c @ s` e Zd Zdd� Zdd� Zddd�Zdd d �Zdd d �Zdd d�Zdd� Z ddd�Z ddd�Z dS )�_BuildMetaBackendc C s |pi }|� dg � |S )N�--global-option)� setdefault�r �config_settingsr r r � _fix_configt s z _BuildMetaBackend._fix_configc C sz | � |�}tjd d� dg |d t_z t�� � | �� W 5 Q R X W n, tk rt } z||j7 }W 5 d }~X Y nX |S )N� Zegg_inforF )rJ r! �argvr r � run_setupr r )r rI � requirements�er r r �_get_build_requiresy s � z%_BuildMetaBackend._get_build_requires�setup.pyc C sD |}d}t |��}|�� �dd�}W 5 Q R X tt||d�t� � d S )N�__main__z\r\nz\n�exec)rD �read�replacerS �compile�locals)r rC �__file__r r6 �coder r r rM � s z_BuildMetaBackend.run_setupNc C s | � |�}| j|dgd�S )NZwheel�rN �rJ rP rH r r r r � s �z._BuildMetaBackend.get_requires_for_build_wheelc C s | � |�}| j|g d�S )NrZ r[ rH r r r r � s z._BuildMetaBackend.get_requires_for_build_sdistc C s� t jd d� ddt|�g t _| �� |}dd� t�|�D �}t|�dkrttt|��dkrttj� |t�|�d �}q*t|�dks�t �q�q*||kr�t � tj� ||d �|� t j |dd� |d S ) NrK Z dist_infoz --egg-basec S s g | ]}|� d �r|�qS )z .dist-infor3 r5 r r r r/ � s �zF_BuildMetaBackend.prepare_metadata_for_build_wheel.<locals>.<listcomp>r T)� ignore_errors)r! rL r' rM r( r1 �lenr2 r) r+ �AssertionError�shutilZmoveZrmtree)r �metadata_directoryrI Zdist_info_directoryZ dist_infosr r r r � s0 � �� ��z2_BuildMetaBackend.prepare_metadata_for_build_wheelc C s� | � |�}tj�|�}t|dd� t|d��v}tjd d� | d|g |d t_| �� t ||�}tj� ||�}tj� |�r�t� |� t� tj� ||�|� W 5 Q R X |S )NT)�exist_ok)�dirrK z --dist-dirrF )rJ r( r) �abspathr r r! rL rM r; r+ r= �remove�rename)r Z setup_commandZresult_extensionZresult_directoryrI Z tmp_dist_dirZresult_basenameZ result_pathr r r �_build_with_temp_dir� s& �� � z&_BuildMetaBackend._build_with_temp_dirc C s | � dgd||�S )NZ bdist_wheelz.whl�rf )r Zwheel_directoryrI r` r r r r � s �z _BuildMetaBackend.build_wheelc C s | � dddgd||�S )NZsdistz --formatsZgztarz.tar.gzrg )r Zsdist_directoryrI r r r r � s �z _BuildMetaBackend.build_sdist)rQ )N)N)N)NN)N) r r r rJ rP rM r r r rf r r r r r r rE r s � ! � rE c s" e Zd ZdZd� fdd� Z� ZS )�_BuildMetaLegacyBackendaO Compatibility backend for setuptools This is a version of setuptools.build_meta that endeavors to maintain backwards compatibility with pre-PEP 517 modes of invocation. It exists as a temporary bridge between the old packaging mechanism and the new packaging mechanism, and will eventually be removed. rQ c s� t tj�}tj�tj�|��}|tjkr6tj�d|� tjd }|tjd< ztt | �j |d� W 5 |tjd d �< |tjd< X d S )Nr rB ) r r! r) r( �dirnamerc �insertrL �superrh rM )r rC Zsys_pathZ script_dirZ sys_argv_0�� __class__r r rM � s �� z!_BuildMetaLegacyBackend.run_setup)rQ )r r r �__doc__rM � __classcell__r r rl r rh � s rh )"rn r> r( r! rA r_ r Z setuptoolsr Zsetuptools.py31compatr Z pkg_resourcesr Zpkg_resources.py31compatr �__all__� BaseExceptionr Zdistr r' r2 r; rD �objectrE rh Z_BACKENDr r r r r r r r r r �<module> sD � k)
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