def find_loader(fullname):
    """Find a PEP 302 "loader" object for fullname

    If fullname contains dots, path must be the containing package's __path__.
    Returns None if the module cannot be found or imported. This function uses
    iter_importers(), and is thus subject to the same limitations regarding
    platform-specific special import locations such as the Windows registry.
    """
    for importer in iter_importers(fullname):
        loader = importer.find_module(fullname)
        if loader is not None:
            return loader

    return None
Find a PEP 302 "loader" object for fullname

    If fullname contains dots, path must be the containing package's __path__.
    Returns None if the module cannot be found or imported. This function uses
    iter_importers(), and is thus subject to the same limitations regarding
    platform-specific special import locations such as the Windows registry.