软件工程阶段性报告代码版本2

AUTHORS.txt LICENSE.txt MANIFEST.in NEWS.rst README.rst pyproject.toml setup.cfg setup.py docs/pip_sphinxext.py docs/html/conf.py docs/html/cookbook.rst docs/html/index.rst docs/html/installing.rst docs/html/logic.rst docs/html/news.rst docs/html/quickstart.rst docs/html/usage.rst docs/html/user_guide.rst docs/html/development/configuration.rst docs/html/development/contributing.rst docs/html/development/getting-started.rst docs/html/development/index.rst docs/html/development/release-process.rst docs/html/development/vendoring-policy.rst docs/html/reference/index.rst docs/html/reference/pip.rst docs/html/reference/pip_check.rst docs/html/reference/pip_config.rst docs/html/reference/pip_download.rst docs/html/reference/pip_freeze.rst docs/html/reference/pip_hash.rst docs/html/reference/pip_install.rst docs/html/reference/pip_list.rst docs/html/reference/pip_search.rst docs/html/reference/pip_show.rst docs/html/reference/pip_uninstall.rst docs/html/reference/pip_wheel.rst docs/man/index.rst docs/man/commands/check.rst docs/man/commands/config.rst docs/man/commands/download.rst docs/man/commands/freeze.rst docs/man/commands/hash.rst docs/man/commands/help.rst docs/man/commands/install.rst docs/man/commands/list.rst docs/man/commands/search.rst docs/man/commands/show.rst docs/man/commands/uninstall.rst docs/man/commands/wheel.rst src/pip/__init__.py src/pip/__main__.py src/pip.egg-info/PKG-INFO src/pip.egg-info/SOURCES.txt src/pip.egg-info/dependency_links.txt src/pip.egg-info/entry_points.txt src/pip.egg-info/not-zip-safe src/pip.egg-info/top_level.txt src/pip/_internal/__init__.py src/pip/_internal/build_env.py src/pip/_internal/cache.py src/pip/_internal/configuration.py src/pip/_internal/download.py src/pip/_internal/exceptions.py src/pip/_internal/index.py src/pip/_internal/locations.py src/pip/_internal/pep425tags.py src/pip/_internal/pyproject.py src/pip/_internal/resolve.py src/pip/_internal/wheel.py src/pip/_internal/cli/__init__.py 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