Function legacy_compress

src/ifcopenshell-python/test/test_guid.py:59–65

(g: str)

def legacy_compress(g: str) -> str:
    bs = [int(g[i : i + 2], 16) for i in range(0, len(g), 2)]

    def b64(v, l=4):
        return "".join([chars[(v // (64**i)) % 64] for i in range(l)][::-1])

    return "".join([b64(bs[0], 2)] + [b64((bs[i] << 16) + (bs[i + 1] << 8) + bs[i + 2]) for i in range(1, 16, 3)])


def legacy_expand(g: str) -> str: