# Either the whole file is written, or nothing

"""

from __future__ import annotations

import contextlib

raise NotImplementedError(BUG_MESSAGE)

def write(v):

assert isinstance(stream, t.ContextManager), (stream, type(stream))

with stream:

stream.write(v)

parent = os.path.dirname(os.path.abspath(name))

if not os.path.exists(parent):

if not make_parents:

raise IOError('Directory does not exist')

raise OSError('Directory does not exist')

os.makedirs(parent)

def simple_open():

Same as for `safer.open()`

"""

if 'r' in mode and '+' not in mode:

raise IOError('File not open for writing')

raise OSError('File not open for writing')

if 'b' in mode:

raise ValueError('Cannot print to a file open in binary mode')

# Wrap an existing IO class so that it calls safer at the end

@functools.lru_cache()

@functools.lru_cache

def _wrap_class(stream_cls):

@functools.wraps(stream_cls.__exit__)

def exit(self, *args):