python-progressbar/progressbar/base.py at develop · SourceryAI/python-progressbar · GitHub

30 lines (19 loc) · 606 Bytes

# -*- mode: python; coding: utf-8 -*-

from python_utils import types

class FalseMeta(type):

def __bool__(self): # pragma: no cover

return False

def __cmp__(self, other): # pragma: no cover

return -1

__nonzero__ = __bool__

class UnknownLength(metaclass=FalseMeta):

pass

class Undefined(metaclass=FalseMeta):

pass

try: # pragma: no cover

IO = types.IO # type: ignore

TextIO = types.TextIO # type: ignore

except AttributeError: # pragma: no cover

from typing.io import IO, TextIO # type: ignore

assert IO is not None

assert TextIO is not None

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