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

76 lines
2.7 KiB
Python

# See readme.md for instructions on running this code.
from __future__ import print_function
import requests
import json
import os
import sys
from six.moves.configparser import SafeConfigParser
class WeatherHandler(object):
def __init__(self):
self.directory = os.path.dirname(os.path.realpath(__file__)) + '/'
self.config_name = '.weather_config'
self.response_pattern = 'Weather in {}, {}:\n{} F / {} C\n{}'
if not os.path.exists(self.directory + self.config_name):
print('Weather bot config file not found, please set it up in {} file in this bot main directory'
'\n\nUsing format:\n\n[weather-config]\nkey=<OpenWeatherMap API key here>\n\n'.format(self.config_name))
sys.exit(1)
super(WeatherHandler, self).__init__()
def usage(self):
return '''
This plugin will give info about weather in a specified city
'''
def handle_message(self, message, bot_handler, state_handler):
help_content = '''
This bot returns weather info for specified city.
You specify city in the following format:
city, state/country
state and country parameter is optional(useful when there are many cities with the same name)
For example:
@**Weather Bot** Portland
@**Weather Bot** Portland, Me
'''.strip()
if (message['content'] == 'help') or (message['content'] == ''):
response = help_content
else:
url = 'http://api.openweathermap.org/data/2.5/weather?q=' + message['content'] + '&APPID='
r = requests.get(url + get_weather_api_key_from_config(self.directory, self.config_name))
if "city not found" in r.text:
response = "Sorry, city not found"
else:
response = format_response(r.text, message['content'], self.response_pattern)
bot_handler.send_reply(message, response)
def format_response(text, city, response_pattern):
j = json.loads(text)
city = j['name']
country = j['sys']['country']
fahrenheit = to_fahrenheit(j['main']['temp'])
celsius = to_celsius(j['main']['temp'])
description = j['weather'][0]['description'].title()
return response_pattern.format(city, country, fahrenheit, celsius, description)
def to_celsius(temp_kelvin):
return int(temp_kelvin) - 273.15
def to_fahrenheit(temp_kelvin):
return int(temp_kelvin) * 9 / 5 - 459.67
def get_weather_api_key_from_config(directory, config_name):
config = SafeConfigParser()
with open(directory + config_name, 'r') as config_file:
config.readfp(config_file)
return config.get("weather-config", "key")
handler_class = WeatherHandler