def add_cmd_permission(self, cmd, mask, regexpify=True):
""" Creates a regular expression from the mask and adds it
to the list of allowed regexps for the cmd.
mask is an IRC mask, and will be changed into a corresponding
regular expression.
"""
mask = regexpify(mask)
m = re.compile(mask)
self.command_masks.setdefault(cmd, []).append(m)
def rm_cmd_permission(self, cmd, mask):
""" Creates a regular expression from the mask, and removes
the permission for that expression from cmd's list.
mask is an IRC mask, and will be changed into a corresponding
regular expression.
"""
mask = regexpify(mask)
if cmd in self.command_masks:
for index, regexp in enumerate(self.command_masks[cmd]):
if regexp.pattern == mask:
del self.command_masks[cmd][index]
break
