Function read_uint4

Lib/pickletools.py:273–285

r""" >>> import io >>> read_uint4(io.BytesIO(b'\xff\x00\x00\x00')) 255 >>> read_uint4(io.BytesIO(b'\x00\x00\x00\x80')) == 2**31 True

(f)

def read_uint4(f):
    r"""
    >>> import io
    >>> read_uint4(io.BytesIO(b'\xff\x00\x00\x00'))
    255
    >>> read_uint4(io.BytesIO(b'\x00\x00\x00\x80')) == 2**31
    True
    """

    data = f.read(4)
    if len(data) == 4:
        return _unpack("<I", data)[0]
    raise ValueError("not enough data in stream to read uint4")

uint4 = ArgumentDescriptor(
            name='uint4',