Function _check_version

numpy/lib/format.py:196–199

(version)

_MAX_HEADER_SIZE = 10000

def _check_version(version):
    if version not in [(1, 0), (2, 0), (3, 0), None]:
        msg = "we only support format version (1,0), (2,0), and (3,0), not %s"
        raise ValueError(msg % (version,))

def magic(major, minor):
    """ Return the magic string for the given file format version.