weather

#!/usr/bin/env python
# Copyright 2014 Mark Stillwell <mark@stillwell.me>
# development platform is Ubuntu 14.04 (Trusty Tahir)
# requries python, python-networkmanager, python-pycurl, python-simplejson
# also requires a font with icons at the appropriate values
# The author uses one generated at icomoon.io by including all of the glyphs
# from the  Meteocons, Ionicons, and Font Awesome icon libraries.

from NetworkManager import NetworkManager as nm

import pycurl
import simplejson as json
from io import BytesIO

if not nm.ActiveConnections:
    exit(0)

# keys and suggested values at http://openweathermap.org/weather-conditions
# unicode values are based on icomoon.io icon font including Meteocons
icons = {'01d': u'\ue601', '01n': u'\ue602',
         '02d': u'\ue607', '02n': u'\ue608',
         '03d': u'\ue60d', '03n': u'\ue60d',
         '04d': u'\ue618', '04n': u'\ue618',
         '09d': u'\ue611', '09n': u'\ue611',
         '10d': u'\ue622', '10n': u'\ue622',
         '11d': u'\ue60e', '11n': u'\ue60e',
         '13d': u'\ue616', '13n': u'\ue616',
         '50d': u'\ue609', '50n': u'\ue60a'}

buf = BytesIO()
c = pycurl.Curl()
c.setopt(c.URL, "freegeoip.net/json/")
c.setopt(c.WRITEDATA, buf)

try:
    c.perform()
    geoinfo = json.loads(buf.getvalue())
except Exception:
    exit(0)

buf = BytesIO()
c = pycurl.Curl()
c.setopt(c.URL, 'api.openweathermap.org/data/2.5/weather?lat={latitude}'
                '&lon={longitude}&units=metric'.format(**geoinfo))
c.setopt(c.WRITEDATA, buf)

try:
    c.perform()
    weatherinfo = json.loads(buf.getvalue())
except Exception:
    exit(0)

short_text = (u' '.join(set(icons[w['icon']] for w in weatherinfo['weather']))
              + u' {:d}\u00b0'.format(int(weatherinfo['main']['temp']))
              ).encode('utf-8')


print short_text
exit(0)