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a �u:j�N � @ s� U d Z ddlmZ ddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl Z ddl m Z mZmZ ddlmZ ddlmZmZmZ ddlZddlmZ dd lmZmZ dd l m Z dd l m Z ddl Z dd l m!Z! er�dd l"m#Z# g d�Z$G dd� de%�Z&G dd� dej'j(�Z(ej)dd� �Z*dd� Z+ddd�dd�Z,d d � Z-ej)d d � �Z.eee/ee/e0e/ df f df Z1d e2d!< G d"d#� d#�Z3G d$d%� d%e3�Z4G d&d'� d'e4�Z5G d(d)� d)e �Z6e4� Z7e7j8Z8e7j9Z9e7j:Z:e7j;Z;e7j<Z<e7j=Z=e7j>Z>e7j?Z?e5� 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 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. 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