XylotrechusZ
B
��Re� � @ s d Z ddlmZ ddlZddlmZ ddlmZ ddlm Z ddl
m Z ddl m
Z
mZ dd lmZ dd
lmZ dd lmZ er�dd lmZ dd
lmZmZ ddl
mZ e
r�ddlmZ n ddlm Z dZ e� e �Z G dd� de�Z!dd� Z"dd� Z#dd� Z$dd� Z%d d � Z&d d � Z'd d!� Z(dS )"z0Support functions for working with wheel files.
� )�absolute_importN)�Parser)�ZipFile)�canonicalize_name)�DistInfoDistribution)�PY2�
ensure_str)�UnsupportedWheel)� DictMetadata)�MYPY_CHECK_RUNNING)�Message)�Dict�Tuple)� Distribution)�
BadZipfile)�
BadZipFile)� r c s, e Zd ZdZ� fdd�Z� fdd�Z� ZS )�
WheelMetadatazaMetadata provider that maps metadata decoding exceptions to our
internal exception type.
c s t t| ��|� || _d S )N)�superr �__init__� _wheel_name)�self�metadata�
wheel_name)� __class__� ��/builddir/build/BUILDROOT/alt-python37-pip-20.2.4-6.el8.x86_64/opt/alt/python37/lib/python3.7/site-packages/pip/_internal/utils/wheel.pyr ( s zWheelMetadata.__init__c
sJ yt t| ��|�S tk
rD } ztd�| j|���W d d }~X Y nX d S )Nz"Error decoding metadata for {}: {})r r � get_metadata�UnicodeDecodeErrorr �formatr )r �name�e)r r r r - s zWheelMetadata.get_metadata)�__name__�
__module__� __qualname__�__doc__r r �
__classcell__r r )r r r $ s r c s� t | |�\� }� fdd�| �� D �}i }xn|D ]f}t|�}|�dd�\}}yt| |�||< W q. tk
r� } ztd�|t| ����W dd} ~ X Y q.X q.W t||�}
t ||
|d�S )zaGet a pkg_resources distribution given a wheel.
:raises UnsupportedWheel: on any errors
c s g | ]}|� d �� ��r|�qS )z{}/)�
startswithr )�.0�p)�info_dirr r �
<listcomp>C s z8pkg_resources_distribution_for_wheel.<locals>.<listcomp>�/r z{} has an invalid wheel, {}N)�locationr � project_name)
� parse_wheel�namelistr �split�read_wheel_metadata_filer r �strr r ) � wheel_zipr r- �_�metadata_files�
metadata_text�path� full_path�
metadata_namer! r r )r* r �$pkg_resources_distribution_for_wheel: s
(
r; c
C sj y t | |�}t| |�}t|�}W n6 tk
rV } ztd�|t|����W dd}~X Y nX t||� ||fS )z�Extract information from the provided wheel, ensuring it meets basic
standards.
Returns the name of the .dist-info directory and the parsed WHEEL metadata.
z{} has an invalid wheel, {}N)�wheel_dist_info_dir�wheel_metadata�
wheel_versionr r r3 �check_compatibility)r4 r r* r �versionr! r r r r/ _ s
$
r/ c C s� t dd� | �� D ��}dd� |D �}|s0td��t|�dkrPtd�d�|����|d }t|�}t|�}|�|�s�td
�||���t|�S ) z�Returns the name of the contained .dist-info directory.
Raises AssertionError or UnsupportedWheel if not found, >1 found, or
it doesn't match the provided name.
c s s | ]}|� d d�d V qdS )r, r r N)r1 )r( r) r r r � <genexpr>| s z&wheel_dist_info_dir.<locals>.<genexpr>c S s g | ]}|� d �r|�qS )z
.dist-info)�endswith)r( �sr r r r+ ~ s z'wheel_dist_info_dir.<locals>.<listcomp>z .dist-info directory not foundr z)multiple .dist-info directories found: {}z, r z2.dist-info directory {!r} does not start with {!r}) �setr0 r �lenr �joinr r' r )�sourcer �subdirs� info_dirsr* �
info_dir_name�canonical_namer r r r< t s
r< c
C sH y
| � |�S tttfk
rB } ztd�||���W d d }~X Y nX d S )Nz could not read {!r} file: {!r})�readr �KeyError� RuntimeErrorr r )rG r8 r! r r r r2 � s
r2 c
C s` d� |�}t| |�}y t|�}W n2 tk
rR } ztd� ||���W dd}~X Y nX t� �|�S )ziReturn the WHEEL metadata of an extracted wheel, if possible.
Otherwise, raise UnsupportedWheel.
z{}/WHEELzerror decoding {!r}: {!r}N)r r2 r r r r �parsestr)rG �
dist_info_dirr8 �wheel_contents�
wheel_textr! r r r r= � s
"r= c C s\ | d }|dkrt d��|�� }yttt|�d���S tk
rV t d�|���Y nX dS )zbGiven WHEEL metadata, return the parsed Wheel-Version.
Otherwise, raise UnsupportedWheel.
z
Wheel-VersionNz WHEEL is missing Wheel-Version�.zinvalid Wheel-Version: {!r})r �strip�tuple�map�intr1 �
ValueErrorr )�
wheel_data� version_textr@ r r r r> � s r> c C sR | d t d kr.td�|d�tt| �����n | t krNt�dd�tt| ��� dS )a� Raises errors or warns if called with an incompatible Wheel-Version.
pip should refuse to install a Wheel-Version that's a major series
ahead of what it's compatible with (e.g 2.0 > 1.1); and warn when
installing a version only minor version ahead (e.g 1.2 > 1.1).
version: a 2-tuple representing a Wheel-Version (Major, Minor)
name: name of wheel or package to raise exception about
:raises UnsupportedWheel: when an incompatible Wheel-Version is given
r zB{}'s Wheel-Version ({}) is not compatible with this version of piprS z*Installing from a newer Wheel-Version (%s)N)�VERSION_COMPATIBLEr r rF rV r3 �logger�warning)r@ r r r r r? � s
r? ))r% �
__future__r �logging� email.parserr �zipfiler Zpip._vendor.packaging.utilsr Zpip._vendor.pkg_resourcesr Zpip._vendor.sixr r �pip._internal.exceptionsr �!pip._internal.utils.pkg_resourcesr
�pip._internal.utils.typingr �
email.messager �typingr
r r r r r[ � getLoggerr" r\ r r; r/ r< r2 r= r> r? r r r r �<module> s6
%&