Aluode/PerceptionLabPortable

1import os2import sys3 4# Remove '' and current working directory from the first entry5# of sys.path, if present to avoid using current directory6# in pip commands check, freeze, install, list and show,7# when invoked as python -m pip <command>8if sys.path[0] in ("", os.getcwd()):9    sys.path.pop(0)10 11# If we are running from a wheel, add the wheel to sys.path12# This allows the usage python pip-*.whl/pip install pip-*.whl13if __package__ == "":14    # __file__ is pip-*.whl/pip/__main__.py15    # first dirname call strips of '/__main__.py', second strips off '/pip'16    # Resulting path is the name of the wheel itself17    # Add that to sys.path so we can import pip18    path = os.path.dirname(os.path.dirname(__file__))19    sys.path.insert(0, path)20 21if __name__ == "__main__":22    from pip._internal.cli.main import main as _main23 24    sys.exit(_main())25