modules/weather.py

   1 # Erebus IRC bot - Author: Erebus Team
   2 # weather module
   3 # This file is released into the public domain; see http://unlicense.org/
   4
   5 # module info
   6 modinfo = {
   7         'author': 'Erebus Team',
   8         'license': 'public domain',
   9         'compatible': [2],
  10         'depends': ['userinfo'],
  11         'softdeps': ['help'],
  12 }
  13
  14 # preamble
  15 import modlib
  16 lib = modlib.modlib(__name__)
  17 modstart = lib.modstart
  18 modstop = lib.modstop
  19
  20 # module code
  21 import json, urllib, time, rfc822
  22
  23 def location(person, default=None): return lib.mod('userinfo')._get(person, 'location', default=None)
  24
  25 @lib.hook(needchan=False)
  26 @lib.help('[<location>]', 'show weather for your location')
  27 def weather(bot, user, chan, realtarget, *args):
  28         if len(args) == 0:
  29                 place = location(user)
  30         else:
  31                 place = ' '.join(args)
  32
  33         if place is not None:
  34                 weather = json.load(urllib.urlopen('http://api.wunderground.com/api/8670e6d2e69ff3c7/conditions/q/%s.json' % (place)))
  35                 if 'error' in weather:
  36                         bot.msg(chan, "Error from Wunderground: %s" % (weather['error']['description']))
  37                         return
  38
  39                 current = weather['current_observation']
  40                 measuredat = rfc822.parsedate_tz(current['observation_time_rfc822'])[:-1] # parsedate_tz returns a 10-tuple which strftime DOESN'T ACCEPT
  41                 measuredatTZ = current['local_tz_short']
  42                 output = u"Weather in %(location)s: As of %(time)s %(tz)s, %(conditions)s, %(cel)s\u00B0C (%(far)s\u00B0F) (feels like %(flcel)s\u00B0C (%(flfar)s\u00B0F)). Wind %(wind)s. %(link)s" % {
  43                         'location': current['observation_location']['full'],
  44                         'time': time.strftime("%a %H:%M", measuredat), 'tz': measuredatTZ,
  45                         'conditions': current['weather'],
  46                         'cel': current['temp_c'], 'far': current['temp_f'],
  47                         'flcel': current['feelslike_c'], 'flfar': current['feelslike_f'],
  48                         'wind': current['wind_string'],
  49                         'link': current['forecast_url'],
  50                 }
  51                 bot.msg(chan, output)
  52         else:
  53                 bot.msg(chan, "I don't know where to look!")