On Thu, 09 Jun 2005 16:53:17 -0700, Sarir Khamsi <[EMAIL PROTECTED]> wrote:
>Peter Hansen <[EMAIL PROTECTED]> writes:
>
>> class _Helper(object):
>> """Define the built-in 'help'.
>> This is a wrapper around pydoc.help (with a twist).
>>
>> """
>>
>> def __repr__(self):
>> return "Type help() for interactive help, " \
>> "or help(object) for help about object."
>> def __call__(self, *args, **kwds):
>> import pydoc
>> return pydoc.help(*args, **kwds)
>
>Thanks, but how do I integrate this with cmd.Cmd?
Have you read the docs for the cmd module? E.g.,
http://www.python.org/doc/current/lib/Cmd-objects.html
"""
All subclasses of Cmd inherit a predefined do_help().
This method, called with an argument 'bar', invokes
the corresponding method help_bar().
With no argument, do_help() lists all available help topics
(that is, all commands with corresponding help_*() methods),
and also lists any undocumented commands.
"""
This suggests that typing "help xxx" might call do_help('xxx')
and that will call help_xxx if it exists. So if you want help
on a non-cmd.Cmd command, you might want to modify do_help to
call pydoc as above instead of generating its default
have-no-help repsonse, whatever that is.
Just guessing, but that should get you closer.
You can look at the source in <wherever>python<versionstuff>\Lib\cmd.py
E.g.,
D:\Python23\Lib\cmd.py
or
D:\Python-2.4b1\Lib\cmd.py
for me.
Look in cmd.py at class Cmd method do_help:
def do_help(self, arg):
if arg:
# XXX check arg syntax
try:
func = getattr(self, 'help_' + arg)
except AttributeError:
try:
doc=getattr(self, 'do_' + arg).__doc__
if doc:
self.stdout.write("%s\n"%str(doc))
return
except AttributeError:
pass
[1] --> self.stdout.write("%s\n"%str(self.nohelp % (arg,)))
return
func()
else:
# ... generates topic listing
Probably you can write your own Cmd subclass and override do_help
and modify at [1] to do the pydoc call as in Peter's snippet.
Hopefully no weird interactions, but it should be easy to try ;-)
HTH
Regards,
Bengt Richter
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