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hangupsbot.py
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hangupsbot.py
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#!/usr/bin/env python
# coding=utf-8
from datetime import datetime
import sys
import asyncio
import time
import signal
import traceback
import hangups
from hangups.ui.utils import get_conv_name
import config
import handlers
__version__ = '1.1'
LOG_FORMAT = '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
class ConversationEvent(object):
def __init__(self, bot, conv_event):
self.conv_event = conv_event
self.conv_id = conv_event.conversation_id
self.conv = bot._conv_list.get(self.conv_id)
self.user_id = conv_event.user_id
self.user = self.conv.get_user(self.user_id)
self.timestamp = conv_event.timestamp
self.text = conv_event.text.strip() if isinstance(conv_event, hangups.ChatMessageEvent) else ''
def print_debug(self):
print('Conversation ID: {}'.format(self.conv_id))
print('Conversation name: {}'.format(get_conv_name(self.conv, truncate=True)))
print('User ID: {}'.format(self.user_id))
print('User name: {}'.format(self.user.full_name))
print('Timestamp: {}'.format(self.timestamp.astimezone(tz=None).strftime('%Y-%m-%d %H:%M:%S')))
print('Text: {}'.format(self.text))
print()
class HangupsBot(object):
"""Hangouts bot listening on all conversations"""
def __init__(self, cookies_path, config_path, max_retries=5):
self._client = None
self._cookies_path = cookies_path
self._max_retries = max_retries
self.conv_settings = {}
# These are populated by on_connect when it's called.
self._conv_list = None # hangups.ConversationList
self._user_list = None # hangups.UserList
self._message_handler = None # MessageHandler
# Load config file
self.config = config.Config(config_path)
self.devmode = self.get_config_suboption('', 'development_mode')
# Handle signals on Unix
# (add_signal_handler is not implemented on Windows)
try:
loop = asyncio.get_event_loop()
for signum in (signal.SIGINT, signal.SIGTERM):
loop.add_signal_handler(signum, lambda: self.stop())
except NotImplementedError:
pass
@property
def dev(self):
return self.devmode
@dev.setter
def dev(self, value):
if value:
self.devmode = value
else:
self.devmode = False
if self.devmode:
def dev_send_segments(conversation, segments):
if len(segments) == 0:
return
for segment in segments:
print(segment.text if not segment.type_ == hangups.SegmentType.LINE_BREAK else "\n")
def dev_send(conversation, text):
dev_send_segments(conversation, [hangups.ChatMessageSegment(text)])
self.send_message_segments = dev_send_segments
self.send_message = dev_send
else:
self.send_message_segments = HangupsBot("cookies.txt", "config.json").send_message_segments
self.send_message = HangupsBot("cookies.txt", "config.json").send_message
def restart(self):
self.stop()
self.run()
def login(self, cookies_path):
"""Login to Google account"""
# Authenticate Google user and save auth cookies
# (or load already saved cookies)
try:
cookies = hangups.auth.get_auth_stdin(cookies_path)
return cookies
except hangups.GoogleAuthError as e:
print('Login failed ({})'.format(e))
return False
def run(self):
"""Connect to Hangouts and run bot"""
cookies = self.login(self._cookies_path)
if cookies:
# Create Hangups client
self._client = hangups.Client(cookies)
self._client.on_connect.add_observer(self._on_connect)
self._client.on_disconnect.add_observer(self._on_disconnect)
# Start asyncio event loop and connect to Hangouts
# If we are forcefully disconnected, try connecting again
loop = asyncio.get_event_loop()
for retry in range(self._max_retries):
try:
loop.run_until_complete(self._client.connect())
sys.exit(0)
except Exception as e:
print('Client unexpectedly disconnected:\n{}'.format(e))
log = open('log.txt', 'a+')
log.writelines(str(datetime.now()) + ":\n " + traceback.format_exc() + "\n\n")
log.close()
print(traceback.format_exc())
print('Waiting {} seconds...'.format(5 + retry * 5))
time.sleep(5 + retry * 5)
print('Trying to connect again (try {} of {})...'.format(retry + 1, self._max_retries))
print('Maximum number of retries reached! Exiting...')
sys.exit(1)
def stop(self):
"""Disconnect from Hangouts"""
asyncio.async(
self._client.disconnect()
).add_done_callback(lambda future: future.result())
def handle_chat_message(self, conv_event):
"""Handle chat messages"""
event = ConversationEvent(self, conv_event)
asyncio.async(self._message_handler.handle(event))
def handle_membership_change(self, conv_event):
"""Handle conversation membership change"""
# TODO Translate this....
event = ConversationEvent(self, conv_event)
# Don't handle events caused by the bot himself
if event.user.is_self:
return
# Test if watching for membership changes is enabled
if not self.get_config_suboption(event.conv_id, 'membership_watching_enabled'):
return
# Generate list of added or removed users
event_users = [event.conv.get_user(user_id) for user_id
in event.conv_event.participant_ids]
names = ', '.join([user.full_name for user in event_users])
# JOIN
if event.conv_event.type_ == hangups.MembershipChangeType.JOIN:
# Test if user who added new participants is admin
admins_list = self.get_config_suboption(event.conv_id, 'admins')
if event.user_id.chat_id in admins_list:
self.send_message(event.conv,
'{}: Ahoj, {} mezi nás!'.format(names,
'vítejte' if len(event_users) > 1 else 'vítej'))
else:
segments = [hangups.ChatMessageSegment('!!! POZOR !!!', is_bold=True),
hangups.ChatMessageSegment('\n', hangups.SegmentType.LINE_BREAK),
hangups.ChatMessageSegment('{} neoprávněně přidal do tohoto Hangoutu uživatele {}!'.format(
event.user.full_name, names)),
hangups.ChatMessageSegment('\n', hangups.SegmentType.LINE_BREAK),
hangups.ChatMessageSegment('\n', hangups.SegmentType.LINE_BREAK),
hangups.ChatMessageSegment('{}: Opusťte prosím urychleně tento Hangout!'.format(names))]
self.send_message_segments(event.conv, segments)
# LEAVE
else:
self.send_message(event.conv,
'{} nám {} košem :-( Řekněte pá pá!'.format(names,
'dali' if len(event_users) > 1 else 'dal'))
def handle_rename(self, conv_event):
"""Handle conversation rename"""
event = ConversationEvent(self, conv_event)
# Don't handle events caused by the bot himself
if event.user.is_self:
return
# Test if watching for conversation rename is enabled
if not self.get_config_suboption(event.conv_id, 'rename_watching_enabled'):
return
# Only print renames for now...
if event.conv_event.new_name == '':
print('{} cleared the conversation name'.format(event.user.first_name))
else:
print('{} renamed the conversation to {}'.format(event.user.first_name, event.conv_event.new_name))
def send_message(self, conversation, text):
""""Send simple chat message"""
self.send_message_segments(conversation, [hangups.ChatMessageSegment(text)])
def send_message_segments(self, conversation, segments):
"""Send chat message segments"""
# Ignore if the user hasn't typed a message.
if len(segments) == 0:
return
# XXX: Exception handling here is still a bit broken. Uncaught
# exceptions in _on_message_sent will only be logged.
asyncio.async(
conversation.send_message(segments)
).add_done_callback(self._on_message_sent)
def list_conversations(self):
"""List all active conversations"""
convs = sorted(self._conv_list.get_all(),
reverse=True, key=lambda c: c.last_modified)
return convs
def get_config_suboption(self, conv_id, option):
"""Get config suboption for conversation (or global option if not defined)"""
try:
suboption = self.config['conversations'][conv_id][option]
except KeyError:
try:
suboption = self.config[option]
except KeyError:
suboption = None
return suboption
def _on_message_sent(self, future):
"""Handle showing an error if a message fails to send"""
try:
future.result()
except hangups.NetworkError:
print('Failed to send message!')
def _on_connect(self, initial_data):
"""Handle connecting for the first time"""
print('Connected!')
self._message_handler = handlers.MessageHandler(self)
self._user_list = hangups.UserList(self._client,
initial_data.self_entity,
initial_data.entities,
initial_data.conversation_participants)
self._conv_list = hangups.ConversationList(self._client,
initial_data.conversation_states,
self._user_list,
initial_data.sync_timestamp)
self._conv_list.on_event.add_observer(self._on_event)
print('Conversations:')
for c in self.list_conversations():
print(' {} ({})'.format(get_conv_name(c, truncate=True), c.id_))
print()
def _on_event(self, conv_event):
"""Handle conversation events"""
if isinstance(conv_event, hangups.ChatMessageEvent):
self.handle_chat_message(conv_event)
elif isinstance(conv_event, hangups.MembershipChangeEvent):
self.handle_membership_change(conv_event)
elif isinstance(conv_event, hangups.RenameEvent):
self.handle_rename(conv_event)
def _on_disconnect(self):
"""Handle disconnecting"""
print('Connection lost!')