weather: switch to OpenWeatherMap

public yahoo api was shut down on Jan 3, 2019

bot/weather.py

@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+import os
 import requests
 from docopt import Dict
 from irc3.plugins.command import command
@@ -8,34 +9,35 @@ from . import Plugin
 
 
 class Weather(Plugin):
-    URL = 'https://query.yahooapis.com/v1/public/yql?format=json&q=' \
-          'select * from weather.forecast where u="c" and woeid in ' \
-          '(select woeid from geo.places(1) where text="{}")'
+    URL = 'http://api.openweathermap.org/data/2.5/weather' \
+          '?q={}&appid={}&units=metric&lang=en'
 
     @command
     def weather(self, mask: IrcString, target: IrcString, args: Dict):
-        """Gets the weather from Yahoo weather API
+        """Gets the weather from OpenWeatherMap
 
         %%weather <location>...
         """
-        req = requests.get(self.URL.format(' '.join(args['<location>'])))
+        req = requests.get(self.URL.format(' '.join(args['<location>']), os.environ['OPENWEATHERMAP_API_KEY']))
+
+        if req.status_code == 404:
+            return '\x02[Weather]\x02 Location not found'
+
         data = req.json()
 
-        if 'error' in data:
-            return '\x02[Weather]\x02 Error'
-        elif not data['query']['results']:
-            return '\x02[Weather]\x02 Location not found'
-        else:
-            res = data['query']['results']['channel']
-            return '\x02[Weather]\x02 {city}, {region}, {country}: ' \
-                   '\x02{temp}°{unit_temp} {text}\x02, ' \
-                   '\x02{direction} {speed} {unit_speed}\x02' \
-                .format(city=res['location']['city'],
-                        region=res['location']['region'].strip(),
-                        country=res['location']['country'],
-                        temp=res['item']['condition']['temp'],
-                        text=res['item']['condition']['text'],
-                        direction='↑↗→↘↓↙←↖'[round(int(res['wind']['direction']) / 45) % 8],
-                        speed=res['wind']['speed'],
-                        unit_temp=res['units']['temperature'],
-                        unit_speed=res['units']['speed'])
+        return '\x02[Weather]\x02 {city}, {country}: ' \
+               '\x02{temp}°C\x02 (\x0303{temp_min}°C\x0f - \x0304{temp_max}°C\x0f) \x02{text}\x02, ' \
+               '\x02{direction} {speed} km/h\x02, ' \
+               '\x02{humidity} % RH\x02, ' \
+               '\x02{pressure} hPa\x02'.format(
+                    city=data['name'],
+                    country=data['sys']['country'],
+                    temp=data['main']['temp'],
+                    temp_min=data['main']['temp_min'],
+                    temp_max=data['main']['temp_max'],
+                    text=data['weather'][0]['description'],
+                    direction='↓↙←↖↑↗→↘'[round(data['wind']['deg'] / 45) % 8],
+                    speed=data['wind']['speed'],
+                    humidity=data['main']['humidity'],
+                    pressure=data['main']['pressure']
+                )

files/.env

@@ -1,2 +1,3 @@
 DATABASE_URI=postgresql://<pgsql user>:<pgsql password>@<pgsql host>:<pgsql port>/<pgsql database>
 GOOGLE_API_KEY=<google api key>
+OPENWEATHERMAP_API_KEY=<openweathermap api key>