python-zulip-api/bots/googlesearch/googlesearch.py

94 lines
3.2 KiB
Python

# See readme.md for instructions on running this code.
from __future__ import print_function
import logging
import http.bot_handler
from six.moves.urllib.request import urlopen
# Uses the Google search engine bindings
# pip install --upgrade google
from google import search
def get_google_result(search_keywords):
help_message = "To use this bot, start messages with @mentioned-bot, \
followed by what you want to search for. If \
found, Zulip will return the first search result \
on Google.\
\
An example message that could be sent is:\
'@mentioned-bot zulip' or \
'@mentioned-bot how to create a chatbot'."
if search_keywords == 'help':
return help_message
elif search_keywords == '' or search_keywords is None:
return help_message
else:
try:
urls = search(search_keywords, stop=20)
urlopen('http://216.58.192.142', timeout=1)
except http.bot_handler.RemoteDisconnected as er:
logging.exception(er)
return 'Error: No internet connection. {}.'.format(er)
except Exception as e:
logging.exception(e)
return 'Error: Search failed. {}.'.format(e)
try:
url = next(urls)
except AttributeError as a_err:
# google.search query failed and urls is of object
# 'NoneType'
logging.exception(a_err)
return "Error: Google search failed with a NoneType result. {}.".format(a_err)
except TypeError as t_err:
# google.search query failed and returned None
# This technically should not happen but the prior
# error check assumed this behavior
logging.exception(t_err)
return "Error: Google search function failed. {}.".format(t_err)
except Exception as e:
logging.exception(e)
return 'Error: Search failed. {}.'.format(e)
return 'Success: {}'.format(url)
class GoogleSearchHandler(object):
'''
This plugin allows users to enter a search
term in Zulip and get the top URL sent back
to the context (stream or private) in which
it was called. It looks for messages starting
with @mentioned-bot.
'''
def usage(self):
return '''
This plugin will allow users to search
for a given search term on Google from
Zulip. Use '@mentioned-bot help' to get
more information on the bot usage. Users
should preface messages with
@mentioned-bot.
'''
def handle_message(self, message, bot_handler, state_handler):
original_content = message['content']
result = get_google_result(original_content)
bot_handler.send_reply(message, result)
handler_class = GoogleSearchHandler
def test():
try:
urlopen('http://216.58.192.142', timeout=1)
print('Success')
return True
except http.bot_handler.RemoteDisconnected as e:
print('Error: {}'.format(e))
return False
if __name__ == '__main__':
test()