관리-도구
편집 파일: _in_process.cpython-38.pyc
U ��.ep � @ s0 d Z ddlmZ ddlmZ ddlZddlZddlmZ ddlZddl Z ddl Z ddl Z ddl Z G dd� de �ZG dd � d e �ZG d d � d e �Zd d � Zdd� Zdd� Zdd� ZdZdd� Zdd� Zdd� Zd(dd �Zd d � ZG d d � d e �ZG d!d"� d"e �Z d#d$� Z ddd d d$hZ d%d&� Z e d'k�r,e � dS ))ag This is invoked in a subprocess to call the build backend hooks. It expects: - Command line args: hook_name, control_dir - Environment variables: PEP517_BUILD_BACKEND=entry.point:spec PEP517_BACKEND_PATH=paths (separated with os.pathsep) - control_dir/input.json: - {"kwargs": {...}} Results: - control_dir/output.json - {"return_val": ...} � )�glob)� import_moduleN)�joinc @ s e Zd ZdZdd� ZdS )�BackendUnavailablez&Raised if we cannot import the backendc C s || _ d S �N�� traceback��selfr � r �B/usr/lib/python3.8/site-packages/pip/_vendor/pep517/_in_process.py�__init__ s zBackendUnavailable.__init__N��__name__� __module__� __qualname__�__doc__r r r r r r s r c @ s e Zd ZdZdd� ZdS )�BackendInvalidz Raised if the backend is invalidc C s || _ d S r )�message)r r r r r r % s zBackendInvalid.__init__Nr r r r r r # s r c @ s e Zd ZdZdS )� HookMissingzARaised if a hook is missing and we are not executing the fallbackN�r r r r r r r r r ) s r c C s< t j�t j�| ��} t j�t j�|��}t j�| |g�|kS )z5Test if a file is located within the given directory.)�os�path�normcase�abspath� commonprefix)�filenameZ directoryr r r � contained_in- s r c s� t j�d�} | r*| �t j�}|tjdd�< t jd }|�d�\}}}z t|�� W n t k rp t t � � ��Y nX | r�t � fdd�|D ��s�td��|r�|�d �D ]}t� |�� q�� S ) z Find and load the build backendZPEP517_BACKEND_PATHNr ZPEP517_BUILD_BACKEND�:c 3 s | ]}t � j|�V qd S r )r �__file__)�.0r ��objr r � <genexpr>D s �z!_build_backend.<locals>.<genexpr>z(Backend was not loaded from backend-path�.)r �environ�get�split�pathsep�sysr � partitionr � ImportErrorr r � format_exc�anyr �getattr)Z backend_pathZextra_pathitemsZepZmod_path�_Zobj_pathZ path_partr r! r �_build_backend4 s& � r0 c C s6 t � }z |j}W n tk r( g Y S X || �S dS �zfInvoke the optional get_requires_for_build_wheel hook Returns [] if the hook is not defined. N)r0 � get_requires_for_build_wheel�AttributeError��config_settings�backend�hookr r r r2 P s r2 c C sJ t � }z |j}W n* tk r: |s*t� �t|| |� Y S X || |�S dS )z�Invoke optional prepare_metadata_for_build_wheel Implements a fallback by building a wheel if the hook isn't defined, unless _allow_fallback is False in which case HookMissing is raised. N)r0 � prepare_metadata_for_build_wheelr3 r � _get_wheel_metadata_from_wheel)�metadata_directoryr5 Z_allow_fallbackr6 r7 r r r r8 ^ s � r8 ZPEP517_ALREADY_BUILT_WHEELc C s@ g }| � � D ] }t�d|�}|r |�|� q |r4|S td��dS )z6Identify the .dist-info folder inside a wheel ZipFile.z[^/\\]+-[^/\\]+\.dist-info/z#No .dist-info folder found in wheelN)Znamelist�re�match�append� Exception)Zwhl_zip�resr �mr r r �_dist_info_filest s rA c C s� ddl m} | �||�}ttj�|t�d�� W 5 Q R X tj�||�}||�� }t|�}|j ||d� W 5 Q R X |d � d�d S )z�Build a wheel and extract the metadata from it. Fallback for when the build backend does not define the 'get_wheel_metadata' hook. r )�ZipFile�wb)r �members�/) ZzipfilerB � build_wheel�openr r r �WHEEL_BUILT_MARKERrA Z extractallr' )r6 r: r5 rB Z whl_basenameZwhl_fileZzipfZ dist_infor r r r9 � s r9 c C sl | sdS t j�| �}t j�t|t��s*dS tt j�|d��}|sLtd� dS t |�dkrdtd� dS |d S )zHCheck for a wheel already built during the get_wheel_metadata hook. Nz*.whlz+Found wheel built marker, but no .whl files� zHFound multiple .whl files; unspecified behaviour. Will call build_wheel.r ) r r �dirname�isfile�pjoinrH r r �print�len)r: Zmetadata_parentZ whl_filesr r r �_find_already_built_wheel� s rO c C s4 t |�}|r$t�|| � tj�|�S t� �| ||�S )z�Invoke the mandatory build_wheel hook. If a wheel was already built in the prepare_metadata_for_build_wheel fallback, this will copy it rather than rebuilding the wheel. )rO �shutilZcopy2r r �basenamer0 rF )Zwheel_directoryr5 r: Z prebuilt_whlr r r rF � s �rF c C s6 t � }z |j}W n tk r( g Y S X || �S dS r1 )r0 � get_requires_for_build_sdistr3 r4 r r r rR � s rR c @ s e Zd ZdZdS )�_DummyExceptionz(Nothing should ever raise this exceptionNr r r r r rS � s rS c @ s e Zd ZdZdd� ZdS )�GotUnsupportedOperationz9For internal use when backend raises UnsupportedOperationc C s || _ d S r r r r r r r � s z GotUnsupportedOperation.__init__Nr r r r r rT � s rT c C sB t � }z|�| |�W S t|dt�k r< tt�� ��Y nX dS )z&Invoke the mandatory build_sdist hook.�UnsupportedOperationN)r0 � build_sdistr. rS rT r r, )Zsdist_directoryr5 r6 r r r rV � s rV c C sN t tj�dk rt�d� tjd } tjd }| tkrBt�d| � t� | }t�t|d��}dd d�}z|f |d �|d < W n� t k r� } zd |d < |j |d < W 5 d }~X Y n� t k r� } zd |d< |j |d< W 5 d }~X Y nR t k �r } zd |d< |j |d < W 5 d }~X Y n tk �r2 d |d< Y nX tj|t|d�dd� d S )N� z"Needs args: hook_name, control_dirrI � zUnknown hook: %sz input.jsonF)� unsupported� return_val�kwargsrZ TZ no_backendr Zbackend_invalidZ backend_errorrY Z hook_missingz output.json)�indent)rN r) �argv�exit� HOOK_NAMES�globals�compatZ read_jsonrL r r r r rT r Z write_json)Z hook_nameZ control_dirr7 Z hook_inputZjson_out�er r r �main� s. rc �__main__)N)!r r � importlibr r Zos.pathr rL r; rP r) r ra r> r r r r r0 r2 r8 rH rA r9 rO rF rR rS rT rV r_ rc r r r r r �<module> sF �