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DrBotIRC: docstring/comment cleanups 

this is some of the oldest code in the bot, there's probably a lot more
that could be cleaned up (and, indeed, some upcoming commits do some of
that)
This commit is contained in:
Brian S. Stephan 2012-12-18 22:15:52 -06:00
parent 8a5e6b9130
commit da430981be
1 changed files with 174 additions and 29 deletions
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203
DrBotIRC.py
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@ -14,6 +14,7 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
import bisect
@ -35,41 +36,56 @@ class DrBotzoMethods:
"""Methods to expose to the XML-RPC server."""
def __init__(self, irc):
"""Store the same stuff the core module would, since we'll probably need it."""
"""Store the same stuff the core module would, since we'll probably
need it.
Args:
irc the irc instance to save a reference to
"""
self.irc = irc
self.log = logging.getLogger('drbotzo')
def echo(self, message):
"""
Just reply to the client, for testing purposes.
"""Just reply to the client, for testing purposes.
Args:
message the message to echo
Returns:
message, unmodified.
Keyword arguments:
message - the message to echo
"""
return message
def say(self, target, message):
"""
Say a message in a channel/to a nick.
"""Say a message in a channel/to a nick.
Args:
target the nick/channel to privmsg
message the message to send
Returns:
"OK", since there's no other feedback to give.
Keyword arguments:
target - the nick/channel to privmsg
message - the message to send
"""
self.irc.server.privmsg(target, message)
return "OK"
def execute_module_method(self, modname, method, args):
"""
Execute the method (with arguments) of the specified module.
"""Execute the method (with arguments) of the specified module.
Args:
modname the loaded module to retrieve
method the method to call from that module
args the arguments to provide to the method as a tuple
Returns:
An error string, or the outcome of the method call.
Keyword arguments:
modname - the loaded module to retrieve
method - the method to call from that module
args - the arguments to provide to the method as a pythonic tuple
"""
for module in self.irc.modlist:
@ -93,6 +109,16 @@ class DrBotServerConnection(irclib.ServerConnection):
nickmask = None
def __init__(self, irclibobj):
"""Instantiate the server connection.
Also start guessing at the nickmask and get ready to do on_welcome
stuff.
Args:
irclibobj the irclib instance to connect with
"""
irclib.ServerConnection.__init__(self, irclibobj)
# temporary. hopefully on_welcome() will set this
@ -102,7 +128,14 @@ class DrBotServerConnection(irclib.ServerConnection):
self.add_global_handler('welcome', self.on_welcome, 1)
def on_welcome(self, connection, event):
"""Set the nickmask that the ircd tells us is us."""
"""Set the nickmask that the ircd tells us is us.
Args:
connection source connection
event incoming event
"""
what = event.arguments()[0]
match = re.search('(\S+!\S+@\S+)', what)
@ -110,7 +143,13 @@ class DrBotServerConnection(irclib.ServerConnection):
self.nickmask = match.group(1)
def privmsg(self, target, text):
"""Send a PRIVMSG command."""
"""Send a PRIVMSG command.
Args:
target the destination nick/channel
text the message to send
"""
splitter = "..."
@ -132,6 +171,7 @@ class DrBotServerConnection(irclib.ServerConnection):
times = times + 1
if times >= 4:
# this is stupidly long, abort
return
# done splitting
@ -148,6 +188,12 @@ class DrBotIRC(irclib.IRC):
server = None
def __init__(self, config):
"""Initialize XML-RPC interface and save references.
Args:
config the config structure to load stuff from
"""
irclib.IRC.__init__(self)
self.config = config
@ -173,14 +219,26 @@ class DrBotIRC(irclib.IRC):
except NoOptionError: pass
def server(self):
"""Create a DrBotServerConnection."""
"""Create a DrBotServerConnection.
Returns:
The newly created DrBotServerConnection.
"""
self.server = DrBotServerConnection(self)
self.connections.append(self.server)
return self.server
def _handle_event(self, connection, event):
"""Override event handler to do recursion."""
"""Override event handler to do recursion.
Args:
connection source connection
event incoming event
"""
try:
nick = irclib.nm_to_n(event.source())
@ -209,14 +267,24 @@ class DrBotIRC(irclib.IRC):
self.log.exception(e)
def xmlrpc_register_function(self, func, name):
"""Add a method to the XML-RPC interface."""
"""Add a method to the XML-RPC interface.
Args:
func the method to register
name the name to expose the method as
"""
if func and self.xmlrpc:
if hasattr(func, '__call__'):
self.xmlrpc.register_function(func, name)
def _xmlrpc_listen(self):
"""Begin listening. Hopefully this was called in a new thread."""
"""Begin listening.
Hopefully this was called in a new thread.
"""
self.xmlrpc.serve_forever()
@ -225,6 +293,11 @@ class DrBotIRC(irclib.IRC):
The intent here is that we replace [text] with whatever a module
provides to us.
Args:
connection source connection
event incoming event
"""
h = self.handlers
@ -240,6 +313,14 @@ class DrBotIRC(irclib.IRC):
def try_alias_cmds(self, connection, event):
"""See if there is an alias ("!command") in the text, and if so
do alias manipulation before any other recursion or aliasing.
Args:
connection source connection
event incoming event
Returns:
The outcome of the alias command, if the text had one.
"""
try:
@ -303,7 +384,17 @@ class DrBotIRC(irclib.IRC):
except NoSectionError: pass
def try_alias(self, connection, event):
# try doing alias work
"""Try turning aliases into commands.
Args:
connection source connection
event incoming event
Returns:
The de-aliased event object.
"""
try:
what = event.arguments()[0]
alias_list = self.config.options('Alias')
@ -337,6 +428,11 @@ class DrBotIRC(irclib.IRC):
command arg1 [anothercommand arg1 arg2]
where the output of anothercommand is command's arg2..n.
Args:
connection source connection
event incoming event
"""
try:
@ -381,6 +477,13 @@ class DrBotIRC(irclib.IRC):
except IndexError: pass
def quit_irc(self, connection, msg):
"""Quit IRC, disconnect, shut everything down.
Args:
connection the connection to quit
msg the message to send while quitting
"""
for module in self.modlist:
module.save()
module.shutdown()
@ -391,8 +494,20 @@ class DrBotIRC(irclib.IRC):
self.log.info("Bot shutting down.")
sys.exit()
def reply(self, connection, event, replystr, stop_responding=False):
"""Reply over IRC to replypath or return a string with the reply."""
def reply(self, connection, event, replystr, stop=False):
"""Reply over IRC to replypath or return a string with the reply.
Args:
connection source connection
event incoming event
replystr the message to reply with
stop whether or not to let other handlers see this
Returns:
The replystr if the event is inside recursion, or, potentially,
"NO MORE" to stop other event handlers from acting.
"""
replypath = event.target()
@ -407,10 +522,12 @@ class DrBotIRC(irclib.IRC):
replies = replystr.split('\n')
for reply in replies:
connection.privmsg(replypath, reply)
if stop_responding:
if stop:
return "NO MORE"
def save_modules(self):
"""Call each module's save(), in case they have something to do."""
for module in self.modlist:
module.save()
@ -422,6 +539,13 @@ class DrBotIRC(irclib.IRC):
self.xmlrpc.server_close()
def save_config(self):
"""Write the config file to disk.
Returns:
Short string indicating success.
"""
with open('dr.botzo.cfg', 'w') as cfg:
self.config.write(cfg)
@ -430,6 +554,13 @@ class DrBotIRC(irclib.IRC):
def load_module(self, modname):
"""Load a module (in both the python and dr.botzo sense) if not
already loaded.
Args:
modname the module to attempt to load
Returns:
String describing the outcome of the load attempt.
"""
for module in self.modlist:
@ -457,7 +588,15 @@ class DrBotIRC(irclib.IRC):
return "Module '" + modname + "' could not be loaded."
def unload_module(self, modname):
"""Attempt to unload and del a module if it's loaded."""
"""Attempt to unload and del a module if it's loaded.
Args:
modname the module to attempt to unload
Returns:
String describing the outcome of the unload attempt.
"""
modstr = 'modules.'+modname
for module in self.modlist:
@ -485,7 +624,12 @@ class DrBotIRC(irclib.IRC):
return 'Module ' + modname + ' is not loaded.'
def list_modules(self):
"""List loaded modules."""
"""List loaded modules.
Returns:
A list of the loaded modules' names.
"""
modnames = []
for module in self.modlist:
@ -493,8 +637,9 @@ class DrBotIRC(irclib.IRC):
return modnames
# SIGINT signal handler
def sigint_handler(self, signal, frame):
"""Cleanly shutdown on SIGINT."""
for module in self.modlist:
module.save()
module.shutdown()