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Issue #12400: regrtest.runtest() uses stream.seek(0) before .truncate()

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.truncate(0) doesn't rewind.
This commit is contained in:
Victor Stinner 2011-06-29 20:01:29 +02:00
parent 592f679dce
commit fcc2a21fae
1 changed files with 6 additions and 3 deletions
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9
Lib/test/regrtest.py
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@ -791,9 +791,12 @@ def runtest(test, verbose, quiet,
# tests keep a reference to sys.stdout or sys.stderr # tests keep a reference to sys.stdout or sys.stderr
# (eg. test_argparse). # (eg. test_argparse).
if runtest.stringio is None: if runtest.stringio is None:
runtest.stringio = io.StringIO() stream = io.StringIO()
stream = runtest.stringio runtest.stringio = stream
stream.truncate(0) else:
stream = runtest.stringio
stream.seek(0)
stream.truncate()
orig_stdout = sys.stdout orig_stdout = sys.stdout
orig_stderr = sys.stderr orig_stderr = sys.stderr