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- from os.path import join
- from io import BufferedReader, BytesIO
- from numpy.compat import isfileobj
- from numpy.testing import assert_
- from numpy.testing import tempdir
- def test_isfileobj():
- with tempdir(prefix="numpy_test_compat_") as folder:
- filename = join(folder, 'a.bin')
- with open(filename, 'wb') as f:
- assert_(isfileobj(f))
- with open(filename, 'ab') as f:
- assert_(isfileobj(f))
- with open(filename, 'rb') as f:
- assert_(isfileobj(f))
- assert_(isfileobj(BufferedReader(BytesIO())) is False)
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