zulip/contrib_bots/lib/wikipedia.py

81 lines
2.8 KiB
Python

from __future__ import absolute_import
from __future__ import print_function
import requests
import logging
# See readme.md for instructions on running this code.
class WikipediaHandler(object):
'''
This plugin facilitates searching Wikipedia for a
specific key term and returns the top article from the
search. It looks for messages starting with '@wikipedia'
or '@wiki'.
In this example, we write all Wikipedia searches into
the same stream that it was called from, but this code
could be adapted to write Wikipedia searches to some
kind of external issue tracker as well.
'''
def usage(self):
return '''
This plugin will allow users to directly search
Wikipedia for a specific key term and get the top
article that is returned from the search. Users
should preface searches with "@wikipedia" or
"@wiki".
'''
def triage_message(self, message, client):
# return True iff we want to (possibly) response to this message
original_content = message['content']
# This next line of code is defensive, as we
# never want to get into an infinite loop of posting Wikipedia
# searches for own Wikipedia searches!
if message['sender_full_name'] == 'wikipedia-bot':
return False
is_wikipedia = (original_content.startswith('@wiki') or
original_content.startswith('@wikipedia'))
return is_wikipedia
def handle_message(self, message, client, state_handler):
query = message['content']
for prefix in ['@wikipedia', '@wiki']:
if query.startswith(prefix):
query = query[len(prefix)+1:]
break
query_wiki_link = ('https://en.wikipedia.org/w/api.php?action=query&'
'list=search&srsearch=%s&format=json' % (query,))
try:
data = requests.get(query_wiki_link)
except requests.exceptions.RequestException:
logging.error('broken link')
return
if data.status_code != 200:
logging.error('unsuccessful data')
return
search_string = data.json()['query']['search'][0]['title'].replace(' ', '_')
url = 'https://wikipedia.org/wiki/' + search_string
new_content = 'For search term "' + query
if len(data.json()['query']['search']) == 0:
new_content = 'I am sorry. The search term you provided is not found :slightly_frowning_face:'
else:
new_content = new_content + '", ' + url
client.send_message(dict(
type=message['type'],
to=message['display_recipient'],
subject=message['subject'],
content=new_content,
))
handler_class = WikipediaHandler