Function read_int4

Lib/pickletools.py:252–264

r""" >>> import io >>> read_int4(io.BytesIO(b'\xff\x00\x00\x00')) 255 >>> read_int4(io.BytesIO(b'\x00\x00\x00\x80')) == -(2**31) True

(f)

def read_int4(f):
    r"""
    >>> import io
    >>> read_int4(io.BytesIO(b'\xff\x00\x00\x00'))
    255
    >>> read_int4(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 int4")

int4 = ArgumentDescriptor(
           name='int4',