python-zulip-api/bots/yoda/yoda.py
Rohitt Vashishtha 894adb1e43 bots: Move contrib_bots to api/bots*.
This will make it convenient to include these bots in Zulip API
releases on pypi.

Fix #5009.
2017-06-01 12:31:54 -07:00

137 lines
4.2 KiB
Python

# See readme.md for instructions on running this code.
from __future__ import print_function
import os
import logging
import ssl
import sys
try:
import requests
except ImportError as e:
logging.error("Dependency missing!!\n{}".format(e))
sys.exit(0)
HELP_MESSAGE = '''
This bot allows users to translate a sentence into
'Yoda speak'.
Users should preface messages with '@mention-bot'.
Before running this, make sure to get a Mashape Api token.
Instructions are in the 'readme.md' file.
Store it in the 'yoda.config' file.
The 'yoda.config' file should be located at '~/yoda.config'.
Example input:
@mention-bot You will learn how to speak like me someday.
'''
class ApiKeyError(Exception):
'''raise this when there is an error with the Mashape Api Key'''
class YodaSpeakHandler(object):
'''
This bot will allow users to translate a sentence into 'Yoda speak'.
It looks for messages starting with '@mention-bot'.
'''
def usage(self):
return '''
This bot will allow users to translate a sentence into
'Yoda speak'.
Users should preface messages with '@mention-bot'.
Before running this, make sure to get a Mashape Api token.
Instructions are in the 'readme.md' file.
Store it in the 'yoda.config' file.
The 'yoda.config' file should be located at '~/yoda.config'.
Example input:
@mention-bot You will learn how to speak like me someday.
'''
def handle_message(self, message, client, state_handler):
handle_input(message, client)
handler_class = YodaSpeakHandler
def send_to_yoda_api(sentence, api_key):
# function for sending sentence to api
response = requests.get("https://yoda.p.mashape.com/yoda?sentence=" + sentence,
headers={
"X-Mashape-Key": api_key,
"Accept": "text/plain"
}
)
if response.status_code == 200:
return response.text
if response.status_code == 403:
raise ApiKeyError
else:
error_message = response.text['message']
logging.error(error_message)
error_code = response.status_code
error_message = error_message + 'Error code: ' + error_code +\
' Did you follow the instructions in the `readme.md` file?'
return error_message
def format_input(original_content):
# gets rid of whitespace around the edges, so that they aren't a problem in the future
message_content = original_content.strip()
# replaces all spaces with '+' to be in the format the api requires
sentence = message_content.replace(' ', '+')
return sentence
def handle_input(message, client):
original_content = message['content']
if is_help(original_content):
client.send_reply(message, HELP_MESSAGE)
else:
sentence = format_input(original_content)
try:
reply_message = send_to_yoda_api(sentence, get_api_key())
except ssl.SSLError or TypeError:
reply_message = 'The service is temporarily unavailable, please try again.'
logging.error(reply_message)
except ApiKeyError:
reply_message = 'Invalid Api Key. Did you follow the instructions in the ' \
'`readme.md` file?'
logging.error(reply_message)
client.send_reply(message, reply_message)
def get_api_key():
# function for getting Mashape api key
home = os.path.expanduser('~')
with open(home + '/yoda.config') as api_key_file:
api_key = api_key_file.read().strip()
return api_key
def send_message(client, message, stream, subject):
# function for sending a message
client.send_message(dict(
type='stream',
to=stream,
subject=subject,
content=message
))
def is_help(original_content):
# gets rid of whitespace around the edges, so that they aren't a problem in the future
message_content = original_content.strip()
if message_content == 'help':
return True
else:
return False