Function main

Lib/site.py:690–717

Add standard site-specific directories to the module search path. This function is called automatically when this module is imported, unless the python interpreter was started with the -S flag.

()

def main():
    """Add standard site-specific directories to the module search path.

    This function is called automatically when this module is imported,
    unless the python interpreter was started with the -S flag.
    """
    global ENABLE_USER_SITE

    orig_path = sys.path[:]
    known_paths = removeduppaths()
    if orig_path != sys.path:
        # removeduppaths() might make sys.path absolute.
        # Fix __file__ of already imported modules too.
        abs_paths()

    known_paths = venv(known_paths)
    if ENABLE_USER_SITE is None:
        ENABLE_USER_SITE = check_enableusersite()
    known_paths = addusersitepackages(known_paths)
    known_paths = addsitepackages(known_paths)
    setquit()
    setcopyright()
    sethelper()
    if not sys.flags.isolated:
        enablerlcompleter()
    execsitecustomize()
    if ENABLE_USER_SITE:
        execusercustomize()

# Prevent extending of sys.path when python was started with -S and
# site is imported later.