req_install.py 文件源码

def uninstall(self, auto_confirm=False, verbose=False):
        """
        Uninstall the distribution currently satisfying this requirement.

        Prompts before removing or modifying files unless
        ``auto_confirm`` is True.

        Refuses to delete or modify files outside of ``sys.prefix`` -
        thus uninstallation within a virtual environment can only
        modify that virtual environment, even if the virtualenv is
        linked to global site-packages.

        """
        if not self.check_if_exists():
            logger.warning("Skipping %s as it is not installed.", self.name)
            return
        dist = self.satisfied_by or self.conflicts_with

        uninstalled_pathset = UninstallPathSet.from_dist(dist)
        uninstalled_pathset.remove(auto_confirm, verbose)
        return uninstalled_pathset