489 lines
19 KiB
Python
489 lines
19 KiB
Python
import re
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from src import EventManager, ModuleManager, utils
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from . import outs
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COMMAND_METHOD = "command-method"
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COMMAND_METHODS = ["PRIVMSG", "NOTICE"]
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REGEX_ARG_NUMBER = re.compile(r"\$(\d+)(-?)")
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MSGID_TAG = utils.irc.MessageTag("msgid", "draft/msgid")
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def _command_method_validate(s):
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if s.upper() in COMMAND_METHODS:
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return s.upper()
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@utils.export("channelset", {"setting": "command-prefix",
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"help": "Set the command prefix used in this channel"})
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@utils.export("serverset", {"setting": "command-prefix",
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"help": "Set the command prefix used on this server"})
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@utils.export("serverset", {"setting": "command-method",
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"help": "Set the method used to respond to commands",
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"validate": _command_method_validate})
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@utils.export("channelset", {"setting": "command-method",
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"help": "Set the method used to respond to commands",
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"validate": _command_method_validate})
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@utils.export("channelset", {"setting": "hide-prefix",
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"help": "Disable/enable hiding prefix in command reponses",
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"validate": utils.bool_or_none})
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@utils.export("channelset", {"setting": "commands",
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"help": "Disable/enable responding to commands in-channel",
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"validate": utils.bool_or_none})
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@utils.export("channelset", {"setting": "prefixed-commands",
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"help": "Disable/enable responding to prefixed commands in-channel",
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"validate": utils.bool_or_none})
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class Module(ModuleManager.BaseModule):
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def on_load(self):
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self.exports.add("is-ignored", self._is_ignored)
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@utils.hook("new.user|channel")
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def new(self, event):
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if "user" in event:
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target = event["user"]
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else:
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target = event["channel"]
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target.last_stdout = None
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target.last_stderr = None
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def has_command(self, command):
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return command.lower() in self.events.on("received").on(
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"command").get_children()
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def get_hooks(self, command):
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return self.events.on("received.command").on(command
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).get_hooks()
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def is_highlight(self, server, s):
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if s and s[-1] in [":", ","]:
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s = s[:-1]
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return server.is_own_nickname(s)
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def _get_aliases(self, server):
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return server.get_setting("command-aliases", {})
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def _set_aliases(self, server, aliases):
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server.set_setting("command-aliases", aliases)
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def _alias_arg_replace(self, s, args_split):
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for match in REGEX_ARG_NUMBER.finditer(s):
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index = int(match.group(1))
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continuous = match.group(2) == "-"
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if index >= len(args_split):
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raise IndexError("Unknown alias arg index")
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if continuous:
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replace = " ".join(args_split[index:])
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else:
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replace = args_split[index]
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s = s.replace(match.group(0), replace)
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return s.split(" ")
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def _command_method(self, target, server):
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return target.get_setting(COMMAND_METHOD,
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server.get_setting(COMMAND_METHOD, "PRIVMSG")).upper()
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def _is_ignored(self, server, user, command):
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if user.get_setting("ignore", False):
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return True
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elif user.get_setting("ignore-%s" % command, False):
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return True
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elif server.get_setting("ignore-%s" % command, False):
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return True
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return False
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def message(self, event, command, args_index=1):
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args_split = event["message_split"][args_index:]
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if not self.has_command(command):
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aliases = self._get_aliases(event["server"])
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if command.lower() in aliases:
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command, _, new_args = aliases[command.lower()].partition(" ")
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try:
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args_split = self._alias_arg_replace(new_args, args_split)
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except IndexError:
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return
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if self.has_command(command):
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if self._is_ignored(event["server"], event["user"], command):
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return
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hook = None
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target = None
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for potential_hook in self.get_hooks(command):
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alias_of = self._get_alias_of(potential_hook)
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if alias_of:
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if self.has_command(alias_of):
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potential_hook = self.get_hooks(alias_of)[0]
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else:
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raise ValueError(
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"'%s' is an alias of unknown command '%s'"
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% (command.lower(), alias_of.lower()))
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is_channel = "channel" in event
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if not is_channel and potential_hook.kwargs.get("channel_only"):
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continue
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if is_channel and potential_hook.kwargs.get("private_only"):
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continue
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hook = potential_hook
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target = event["user"] if not is_channel else event["channel"]
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break
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if not hook:
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return
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module_name = self._get_prefix(hook) or ""
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if not module_name and hasattr(hook.function, "__self__"):
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module_name = hook.function.__self__._name
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msgid = MSGID_TAG.get_value(event["tags"])
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statusmsg = "".join(event.get("statusmsg", []))
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stdout = outs.StdOut(event["server"], module_name, target, msgid,
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statusmsg)
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stderr = outs.StdErr(event["server"], module_name, target, msgid,
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statusmsg)
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command_method = self._command_method(target, event["server"])
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if hook.kwargs.get("remove_empty", True):
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args_split = list(filter(None, args_split))
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min_args = hook.kwargs.get("min_args")
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if min_args and len(args_split) < min_args:
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command_prefix = ""
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if is_channel:
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command_prefix = self._command_prefix(event["server"],
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target)
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usage = self._get_usage(hook, command, command_prefix)
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if usage:
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stderr.write("Not enough arguments, usage: %s" %
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usage).send(command_method)
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else:
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stderr.write("Not enough arguments (minimum: %d)" %
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min_args).send(command_method)
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else:
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returns = self.events.on("preprocess.command").call_unsafe(
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hook=hook, user=event["user"], server=event["server"],
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target=target, is_channel=is_channel, tags=event["tags"],
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args_split=args_split)
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hard_fail = False
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force_success = False
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error = None
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for returned in returns:
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if returned == utils.consts.PERMISSION_HARD_FAIL:
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hard_fail = True
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break
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elif returned == utils.consts.PERMISSION_FORCE_SUCCESS:
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force_success = True
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elif returned:
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error = returned
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if hard_fail or (not force_success and error):
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if error:
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stderr.write(error).send(command_method)
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target.buffer.skip_next()
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return
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args = " ".join(args_split)
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server = event["server"]
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user = event["user"]
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new_event = self.events.on("received.command").on(command
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).make_event(user=user, server=server, target=target,
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args=args, tags=event["tags"], args_split=args_split,
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stdout=stdout, stderr=stderr, command=command.lower(),
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is_channel=is_channel)
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self.log.trace("calling command '%s': %s",
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[command, new_event.kwargs])
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try:
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hook.call(new_event)
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except utils.EventError as e:
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stderr.write(str(e))
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if not hook.kwargs.get("skip_out", False):
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command_method = self._command_method(
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target, event["server"])
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stdout.send(command_method)
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stderr.send(command_method)
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target.last_stdout = stdout
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target.last_stderr = stderr
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target.buffer.skip_next()
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event.eat()
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def _command_prefix(self, server, channel):
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return channel.get_setting("command-prefix",
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server.get_setting("command-prefix", "!"))
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@utils.hook("received.message.channel", priority=EventManager.PRIORITY_LOW)
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def channel_message(self, event):
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if event["action"]:
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return
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commands_enabled = event["channel"].get_setting("commands", True)
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if not commands_enabled:
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return
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prefixed_commands = event["channel"].get_setting("prefixed-commands", True)
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command_prefix = self._command_prefix(event["server"], event["channel"])
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if event["message_split"][0].startswith(command_prefix):
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if not prefixed_commands:
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return
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command = event["message_split"][0].replace(
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command_prefix, "", 1).lower()
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self.message(event, command)
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elif len(event["message_split"]) > 1 and self.is_highlight(
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event["server"], event["message_split"][0]):
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command = event["message_split"][1].lower()
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self.message(event, command, 2)
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@utils.hook("received.message.private", priority=EventManager.PRIORITY_LOW)
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def private_message(self, event):
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if event["message_split"] and not event["action"]:
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command = event["message_split"][0].lower()
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self.message(event, command)
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def _get_help(self, hook):
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return hook.get_kwarg("help", None) or hook.docstring.description
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def _get_usage(self, hook, command, command_prefix=""):
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command = "%s%s" % (command_prefix, command)
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usage = hook.get_kwarg("usage", None)
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if usage:
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usages = [usage]
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else:
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usages = hook.docstring.var_items.get("usage", None)
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if usages:
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return " | ".join(
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"%s %s" % (command, usage) for usage in usages)
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return usage
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def _all_command_hooks(self):
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all_hooks = {}
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for child_name in self.events.on("received.command").get_children():
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hooks = self.events.on("received.command").on(child_name
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).get_hooks()
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if hooks:
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all_hooks[child_name.lower()] = hooks[0]
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return all_hooks
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def _get_prefix(self, hook):
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return hook.get_kwarg("prefix", None)
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def _get_alias_of(self, hook):
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return hook.get_kwarg("alias_of", None)
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@utils.hook("received.command.help")
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def help(self, event):
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"""
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:help: Show help for a given command
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:usage: [module [command]]
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"""
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if event["args"]:
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module_name = event["args_split"][0]
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module = self.bot.modules.from_name(module_name)
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if module == None:
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raise utils.EventError("No such module '%s'" % module_name)
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if len(event["args_split"]) == 1:
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commands = []
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for command, command_hook in self._all_command_hooks().items():
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if (command_hook.context == module.context and
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not self._get_alias_of(command_hook)):
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commands.append(command)
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event["stdout"].write("Commands for %s module: %s" % (
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module.name, ", ".join(commands)))
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else:
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requested_command = event["args_split"][1].lower()
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available_commands = self._all_command_hooks()
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if requested_command in available_commands:
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command_hook = available_commands[requested_command]
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help = self._get_help(command_hook)
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if help:
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event["stdout"].write("%s: %s" % (
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requested_command, help))
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else:
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event["stderr"].write("No help available for %s" %
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requested_command)
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else:
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event["stderr"].write("Unknown command '%s'" %
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requested_command)
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else:
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contexts = {}
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for command, command_hook in self._all_command_hooks().items():
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if not command_hook.context in contexts:
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module = self.bot.modules.from_context(command_hook.context)
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contexts[module.context] = module.name
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modules_available = sorted(contexts.values())
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event["stdout"].write("Modules: %s" % ", ".join(modules_available))
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@utils.hook("received.command.usage", min_args=1)
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def usage(self, event):
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"""
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:help: Show the usage for a given command
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:usage: <command>
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"""
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command_prefix = ""
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if event["is_channel"]:
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command_prefix = self._command_prefix(event["server"],
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event["target"])
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command = event["args_split"][0].lower()
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if command in self.events.on("received").on(
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"command").get_children():
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hooks = self.events.on("received.command").on(command).get_hooks()
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usage = self._get_usage(hooks[0], command, command_prefix)
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if usage:
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event["stdout"].write("Usage: %s" % usage)
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else:
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event["stderr"].write("No usage help available for %s" % command)
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else:
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event["stderr"].write("Unknown command '%s'" % command)
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@utils.hook("received.command.more", skip_out=True)
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def more(self, event):
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"""
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:help: Show more output from the last command
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"""
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if event["target"].last_stdout and event["target"].last_stdout.has_text():
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event["target"].last_stdout.send(
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self._command_method(event["target"], event["server"]))
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@utils.hook("received.command.ignore", min_args=1)
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def ignore(self, event):
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"""
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:help: Ignore commands from a given user
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:usage: <nickname> [command]
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:permission: ignore
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"""
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setting = "ignore"
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for_str = ""
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if len(event["args_split"]) > 1:
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command = event["args_split"][1].lower()
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setting = "ignore-%s" % command
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for_str = " for '%s'" % command
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user = event["server"].get_user(event["args_split"][0])
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if user.get_setting(setting, False):
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event["stderr"].write("I'm already ignoring '%s'%s" %
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(user.nickname, for_str))
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else:
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user.set_setting(setting, True)
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event["stdout"].write("Now ignoring '%s'%s" %
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(user.nickname, for_str))
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@utils.hook("received.command.unignore", min_args=1)
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def unignore(self, event):
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"""
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:help: Unignore commands from a given user
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:usage: <nickname> [command]
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:permission: unignore
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"""
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setting = "ignore"
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for_str = ""
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if len(event["args_split"]) > 1:
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command = event["args_split"][1].lower()
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setting = "ignore-%s" % command
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for_str = " for '%s'" % command
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user = event["server"].get_user(event["args_split"][0])
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if not user.get_setting(setting, False):
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event["stderr"].write("I'm not ignoring '%s'%s" %
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(user.nickname, for_str))
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else:
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user.del_setting(setting)
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event["stdout"].write("Removed ignore for '%s'%s" %
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(user.nickname, for_str))
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@utils.hook("received.command.serverignore", in_args=1)
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def server_ignore(self, event):
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"""
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:permission: server-ignore
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"""
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command = event["args_split"][0].lower()
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setting = "ignore-%s" % command
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if event["server"].get_setting(setting, False):
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event["stderr"].write("I'm already ignoring '%s' for %s" %
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(command, str(event["server"])))
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else:
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event["server"].set_setting(setting, True)
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event["stdout"].write("Now ignoring '%s' for %s" %
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(command, str(event["server"])))
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@utils.hook("received.command.serverunignore", in_args=1)
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def server_unignore(self, event):
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"""
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:permission: server-unignore
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"""
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command = event["args_split"][0].lower()
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setting = "ignore-%s" % command
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if not event["server"].get_setting(setting, False):
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event["stderr"].write("I'm not ignoring '%s' for %s" %
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(command, str(event["server"])))
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else:
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event["server"].del_setting(setting)
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event["stdout"].write("No longer ignoring '%s' for %s" %
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(command, str(event["server"])))
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@utils.hook("send.stdout")
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def send_stdout(self, event):
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stdout = outs.StdOut(event["server"], event["module_name"],
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event["target"], event.get("msgid", None),
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event.get("statusmsg", ""))
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if event.get("hide_prefix", False):
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stdout.hide_prefix()
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stdout.write(event["message"]).send(
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self._command_method(event["target"], event["server"]))
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if stdout.has_text():
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event["target"].last_stdout = stdout
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@utils.hook("send.stderr")
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def send_stderr(self, event):
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stderr = outs.StdErr(event["server"], event["module_name"],
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event["target"], event.get("msgid", None),
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event.get("statusmsg", ""))
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if event.get("hide_prefix", False):
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stderr.hide_prefix()
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stderr.write(event["message"]).send(
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self._command_method(event["target"], event["server"]))
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if stderr.has_text():
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event["target"].last_stderr = stderr
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@utils.hook("received.command.alias", min_args=2)
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def add_alias(self, event):
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"""
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:help: Add a command alias
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:usage: <alias> <command> <args...>
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:permission: command-alias
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"""
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alias = event["args_split"][0].lower()
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command = " ".join(event["args_split"][1:])
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aliases = self._get_aliases(event["server"])
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aliases[alias] = command
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self._set_aliases(event["server"], aliases)
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event["stdout"].write("Added '%s' alias" % alias)
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@utils.hook("received.command.removealias", min_args=1)
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def remove_alias(self, event):
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"""
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:help: Remove a command alias
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:usage: <alias>
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:permission: command-alias
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"""
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alias = event["args_split"][0].lower()
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aliases = self._get_aliases(event["server"])
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if not alias in aliases:
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raise utils.EventError("No '%s' alias" % alias)
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del aliases[alias]
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self._set_aliases(event["server"], aliases)
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event["stdout"].write("Removed '%s' alias" % alias)
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