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    Install packages from:

    - PyPI (and other indexes) using requirement specifiers.
    - VCS project urls.
    - Local project directories.
    - Local or remote source archives.

    pip also supports installing from "requirements files", which provide
    an easy way to specify a whole environment to be installed.
    tinstalls%
      %prog [options] <requirement specifier> [package-index-options] ...
      %prog [options] -r <requirements file> [package-index-options] ...
      %prog [options] [-e] <vcs project url> ...
      %prog [options] [-e] <local project path> ...
      %prog [options] <archive url/path> ...sInstall packages.c
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target_dirtmetavartdirtdefaultthelps�Install packages into <dir>. By default this will not replace existing files/folders in <dir>. Use --upgrade to replace existing packages in <dir> with new versions.s-ds
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store_trues�Upgrade all specified packages to the newest available version. The handling of dependencies depends on the upgrade-strategy used.s--upgrade-strategytupgrade_strategyteagertchoicessonly-if-neededs3Determines how dependency upgrading should be handled. "eager" - dependencies are upgraded regardless of whether the currently installed version satisfies the requirements of the upgraded package(s). "only-if-needed" -  are upgraded only when they do not satisfy the requirements of the upgraded package(s).s--force-reinstalltforce_reinstallsKWhen upgrading, reinstall all packages even if they are already up-to-date.s-Is--ignore-installedtignore_installeds5Ignore the installed packages (reinstalling instead).s--usert
use_user_sites�Install to the Python user install directory for your platform. Typically ~/.local/, or %APPDATA%\Python on Windows. (See the Python documentation for site.USER_BASE for full details.)s--eggtas_eggs�Install packages as eggs, not 'flat', like pip normally does. This option is not about installing *from* eggs. (WARNING: Because this option overrides pip's normal install logic, requirements files may not behave as expected.)s--roott	root_paths=Install everything relative to this alternate root directory.s--strip-file-prefixtstrip_file_prefixtprefixs5Strip given prefix from script paths in wheel RECORD.s--prefixtprefix_pathsIInstallation prefix where lib, bin and other top-level folders are placeds	--compiletcompilesCompile py files to pycs--no-compiletstore_falsesDo not compile py files to pyci(tsuperRt__init__tcmd_optst
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