File size: 760 Bytes
33d1d58 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | from tempfile import NamedTemporaryFile
from contextlib import contextmanager
import os
@contextmanager
def temporary_file(suffix=''):
"""Yield a writeable temporary filename that is deleted on context exit.
Parameters
----------
suffix : str, optional
The suffix for the file.
Examples
--------
>>> import numpy as np
>>> from skimage import io
>>> with temporary_file('.tif') as tempfile:
... im = np.arange(25, dtype=np.uint8).reshape((5, 5))
... io.imsave(tempfile, im)
... assert np.all(io.imread(tempfile) == im)
"""
with NamedTemporaryFile(suffix=suffix, delete=False) as tempfile_stream:
tempfile = tempfile_stream.name
yield tempfile
os.remove(tempfile)
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