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Implement an idea by Paul Rubin:

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Change pickling format for bools to use a backwards compatible
encoding.  This means you can pickle True or False on Python 2.3
and Python 2.2 or before will read it back as 1 or 0.  The code
used for pickling bools before would create pickles that could
not be read in previous Python versions.
This commit is contained in:
Guido van Rossum 2002-04-05 19:30:08 +00:00
parent d15a0a05d3
commit e276339cea
3 changed files with 29 additions and 29 deletions
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6
Lib/test/test_bool.py
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@ -224,5 +224,11 @@ veris(pickle.loads(cPickle.dumps(False)), False)
veris(cPickle.loads(pickle.dumps(True)), True)
veris(cPickle.loads(pickle.dumps(False)), False)
# Test for specific backwards-compatible pickle values
vereq(pickle.dumps(True), "I01\n.")
vereq(pickle.dumps(False), "I00\n.")
vereq(cPickle.dumps(True), "I01\n.")
vereq(cPickle.dumps(False), "I00\n.")
if verbose:
print "All OK"