Edm0nd/edmond/bot.py

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import importlib
import os
import time
from pathlib import Path
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import irc.client
from irc.client import NickMask
from edmond.log import Logger
class Bot(irc.client.SimpleIRCClient, Logger):
def __init__(self, config, logger):
super().__init__()
self.config = config
self.logger = logger
self.plugins = []
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self.values = {}
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@property
def nick(self):
return self.config["nick"]
@property
def names(self):
return (self.config["nick"], *self.config["alternative_nicks"])
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def on_welcome(self, connection, event):
self.log_i(f"Connected to server {event.source}.")
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self.run_plugin_callbacks(event)
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for channel in self.config["channels"]:
connection.join(channel)
def on_join(self, connection, event):
self.log_i(f"Joined {event.target}.")
self.run_plugin_callbacks(event)
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def on_part(self, connection, event):
self.log_i(f"Left {event.target} (args: {event.arguments[0]}).")
self.run_plugin_callbacks(event)
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def on_pubmsg(self, connection, event):
channel = event.target
nick = NickMask(event.source).nick
message = event.arguments[0]
self.log_d(f"Message in {channel} from {nick}: {message}")
self.run_plugin_callbacks(event)
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def on_privmsg(self, connection, event):
nick = NickMask(event.source).nick
target = event.target
message = event.arguments[0]
self.log_d(f"Private message from {nick} to {target}: {message}")
self.run_plugin_callbacks(event)
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def run(self):
"""Connect the bot to server, join channels and start responding."""
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self.log_i("Starting Edmond.")
self.load_plugins()
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self.connect(self.config["host"], self.config["port"], self.nick)
try:
self.start()
except KeyboardInterrupt:
self.log_i("Stopping Edmond.")
def load_plugins(self):
"""Load all installed plugins."""
plugin_files = os.listdir(Path(__file__).parent / "plugins")
plugin_names = map(
lambda f: os.path.splitext(f)[0],
filter(lambda f: f.endswith(".py"), plugin_files)
)
for plugin_name in plugin_names:
module = importlib.import_module(f"edmond.plugins.{plugin_name}")
are_dependencies_ok = getattr(module, "DEPENDENCIES_FOUND", True)
if not are_dependencies_ok:
self.log_e(f"Dependencies not found for plugin {plugin_name}.")
continue
class_name = plugin_name.capitalize() + "Plugin"
plugin_class = getattr(module, class_name)
self.plugins.append(plugin_class(self))
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self.values[plugin_name] = {}
self.log_d(f"Loaded {class_name}.")
def say(self, target, message):
"""Send message to target after a slight delay."""
time.sleep(self.config["speak_delay"])
self.log_d(f"Sending to {target}: {message}")
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if message.startswith("/me "):
self.connection.action(target, message[4:])
else:
self.connection.privmsg(target, message)
def run_plugin_callbacks(self, event):
etype = event.type
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for plugin in filter(lambda p: p.is_ready, self.plugins):
callbacks = plugin.callbacks
if etype not in callbacks:
continue
callbacks[etype](event)