Function make_legacy_pyc

Lib/test/support/import_helper.py:59–78

Move a PEP 3147/488 pyc file to its legacy pyc location. :param source: The file system path to the source file. The source file does not need to exist, however the PEP 3147/488 pyc file must exist or allow_compile must be set. :param allow_compile: If True, uses py_compile

(source, allow_compile=False)

def make_legacy_pyc(source, allow_compile=False):
    """Move a PEP 3147/488 pyc file to its legacy pyc location.

    :param source: The file system path to the source file.  The source file
        does not need to exist, however the PEP 3147/488 pyc file must exist or
        allow_compile must be set.
    :param allow_compile: If True, uses py_compile to create a .pyc if it does
        not exist. This should be passed as True if cache_tag may be None.
    :return: The file system path to the legacy pyc file.
    """
    assert source.endswith('.py')
    legacy_pyc = source + 'c'
    try:
        pyc_file = importlib.util.cache_from_source(source)
        shutil.move(pyc_file, legacy_pyc)
    except FileNotFoundError, NotImplementedError:
        if not allow_compile:
            raise
        py_compile.compile(source, legacy_pyc, doraise=True)
    return legacy_pyc


def import_module(name, deprecated=False, *, required_on=()):