New submission from Matthew Fernandez:
Perhaps others wouldn't consider this a bug, but it was definitely surprising
to me. When switching between optimisation levels -OO (optimise and strip
docstrings) and -O (just optimise), you will find the docstrings are still
stripped. E.g.
$ ls
hello.py world.py
$ cat hello.py
import world
$ cat world.py
def foo():
'''I'm a docstring'''
pass
import sys
print 'optimization: %d' % sys.flags.optimize
if sys.flags.optimize < 2:
print foo.__doc__
else:
print 'optimisation is enabled; no docstrings'
$ python -OO hello.py
optimization: 2
optimisation is enabled; no docstrings
$ python -O hello.py
optimization: 1
None
$ rm world.pyo
$ python -O hello.py
optimization: 1
I'm a docstring
Is this behaviour intentional?
----------
messages: 218385
nosy: Matthew.Fernandez
priority: normal
severity: normal
status: open
title: Switching from -OO to -O still uses cached bytecode
versions: Python 2.7
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue21489>
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