/usr/share/pyshared/nibabel/tmpdirs.py is in python-nibabel 1.3.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# vi: set ft=python sts=4 ts=4 sw=4 et:
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#
# See COPYING file distributed along with the NiBabel package for the
# copyright and license terms.
#
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''' Contexts for *with* statement providing temporary directories
'''
from __future__ import with_statement
import os
import shutil
from tempfile import template, mkdtemp
class TemporaryDirectory(object):
"""Create and return a temporary directory. This has the same
behavior as mkdtemp but can be used as a context manager.
Upon exiting the context, the directory and everthing contained
in it are removed.
Examples
--------
>>> import os
>>> with TemporaryDirectory() as tmpdir:
... fname = os.path.join(tmpdir, 'example_file.txt')
... with open(fname, 'wt') as fobj:
... _ = fobj.write('a string\\n')
>>> os.path.exists(tmpdir)
False
"""
def __init__(self, suffix="", prefix=template, dir=None, chdir=False):
self.name = mkdtemp(suffix, prefix, dir)
self._closed = False
def __enter__(self):
return self.name
def cleanup(self):
if not self._closed:
shutil.rmtree(self.name)
self._closed = True
def __exit__(self, exc, value, tb):
self.cleanup()
return False
class InTemporaryDirectory(TemporaryDirectory):
''' Create, return, and change directory to a temporary directory
Examples
--------
>>> import os
>>> my_cwd = os.getcwd()
>>> with InTemporaryDirectory() as tmpdir:
... _ = open('test.txt', 'wt').write('some text')
... assert os.path.isfile('test.txt')
... assert os.path.isfile(os.path.join(tmpdir, 'test.txt'))
>>> os.path.exists(tmpdir)
False
>>> os.getcwd() == my_cwd
True
'''
def __enter__(self):
self._pwd = os.getcwd()
os.chdir(self.name)
return super(InTemporaryDirectory, self).__enter__()
def __exit__(self, exc, value, tb):
os.chdir(self._pwd)
return super(InTemporaryDirectory, self).__exit__(exc, value, tb)
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