author | Kevin Bullock <kbullock@ringworld.org> |
Sun, 27 Jan 2013 14:24:37 -0600 | |
branch | stable |
changeset 18495 | 8260fa9f30b9 |
parent 15057 | 774da7121fc9 |
child 18666 | fb9d1c2805ff |
permissions | -rw-r--r-- |
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atomictempfile: avoid infinite recursion in __del__().
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import os |
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import glob |
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from mercurial.util import atomictempfile |
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|
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# basic usage |
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def test1_simple(): |
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if os.path.exists('foo'): |
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os.remove('foo') |
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file = atomictempfile('foo') |
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(dir, basename) = os.path.split(file._tempname) |
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assert not os.path.isfile('foo') |
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assert basename in glob.glob('.foo-*') |
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|
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file.write('argh\n') |
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file.close() |
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|
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assert os.path.isfile('foo') |
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assert basename not in glob.glob('.foo-*') |
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print 'OK' |
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# discard() removes the temp file without making the write permanent |
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def test2_discard(): |
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if os.path.exists('foo'): |
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os.remove('foo') |
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file = atomictempfile('foo') |
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(dir, basename) = os.path.split(file._tempname) |
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|
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file.write('yo\n') |
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file.discard() |
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|
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assert not os.path.isfile('foo') |
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assert basename not in os.listdir('.') |
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print 'OK' |
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|
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# if a programmer screws up and passes bad args to atomictempfile, they |
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# get a plain ordinary TypeError, not infinite recursion |
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def test3_oops(): |
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try: |
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file = atomictempfile() |
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except TypeError: |
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print "OK" |
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else: |
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print "expected TypeError" |
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|
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if __name__ == '__main__': |
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test1_simple() |
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atomictempfile: make close() consistent with other file-like objects.
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parents:
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test2_discard() |
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test3_oops() |