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#9964: fix pdb failure to import under -OO. Warn the user that help is simply not available in this case.

This commit is contained in:
Georg Brandl 2010-10-14 07:14:31 +00:00
parent 66c221e993
commit 9e7dbc8a70
1 changed files with 20 additions and 15 deletions
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35
Lib/pdb.py
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@ -1261,6 +1261,10 @@ class Pdb(bdb.Bdb, cmd.Cmd):
except AttributeError:
self.error('No help for %r' % arg)
else:
if sys.flags.optimize >= 2:
self.error('No help for %r; please do not run Python with -OO '
'if you need command help' % arg)
return
self.message(command.__doc__.rstrip())
do_h = do_help
@ -1275,7 +1279,7 @@ class Pdb(bdb.Bdb, cmd.Cmd):
(Pdb) global list_options; list_options = ['-l']
(Pdb)
"""
self.message(self.help_exec.__doc__.strip())
self.message((self.help_exec.__doc__ or '').strip())
def help_pdb(self):
help()
@ -1332,23 +1336,24 @@ class Pdb(bdb.Bdb, cmd.Cmd):
(fp.read(), self.mainpyfile)
self.run(statement)
# Collect all command help into docstring
# Collect all command help into docstring, if not run with -OO
# unfortunately we can't guess this order from the class definition
_help_order = [
'help', 'where', 'down', 'up', 'break', 'tbreak', 'clear', 'disable',
'enable', 'ignore', 'condition', 'commands', 'step', 'next', 'until',
'jump', 'return', 'retval', 'run', 'continue', 'list', 'longlist',
'args', 'print', 'pp', 'whatis', 'source', 'alias', 'unalias',
'debug', 'quit',
]
if __doc__ is not None:
# unfortunately we can't guess this order from the class definition
_help_order = [
'help', 'where', 'down', 'up', 'break', 'tbreak', 'clear', 'disable',
'enable', 'ignore', 'condition', 'commands', 'step', 'next', 'until',
'jump', 'return', 'retval', 'run', 'continue', 'list', 'longlist',
'args', 'print', 'pp', 'whatis', 'source', 'alias', 'unalias',
'debug', 'quit',
]
docs = set()
for _command in _help_order:
__doc__ += getattr(Pdb, 'do_' + _command).__doc__.strip() + '\n\n'
__doc__ += Pdb.help_exec.__doc__
for _command in _help_order:
__doc__ += getattr(Pdb, 'do_' + _command).__doc__.strip() + '\n\n'
__doc__ += Pdb.help_exec.__doc__
del _help_order, _command
del _help_order, _command
# Simplified interface