Błażej Michalik <assassink...@gmail.com> added the comment:
Sorry for not describing this one particularly well.
There is nothing wrong with setattr() here, that wasn't the point.
Given the code below (py3, lambdas used for brevity):
# coding: utf-8
from cmd import Cmd
class MyCmd(Cmd):
def do_documented_at_definition(self):
""" This one is documented with docstring. """
pass
def do_documented_afterwards(self):
_ = 'This one will be documented afterwards, with help_<...>()
method.'
cli = MyCmd()
cli.do_new_command = lambda *_: print("I'm new here")
cli.help_documented_afterwards = lambda *_: print("I'm documenting")
cli.cmdloop()
1. When one types in "help":
1.1 there is no mention of "new_command" in the output, even though the
command works.
1.2 "documented_afterwards" command is being presented as having no
documentation at all, but after typing "help documented_afterwards", it turns
out that it is not the case.
2. There is no completion for "new_command", i.e. typing in "new_" and pressing
tab key will not make it complete to "new_command".
I don't remember what was the use-case for this at the time (probably had
something to do with disabling / enabling certain commands at runtime), but the
implementation seemed trivial enough that we couldn't see justification for not
doing it this way, hence the report.
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue28657>
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