weather

show weather based on Google’s weather API

fbf.plugs.extra.weather.handle_weather(bot, ievent)

show weather using Google’s weather API

CODE

# fbf/plugs/common/weather.py
#
#

""" show weather based on Google's weather API """

__copyright__ = 'this file is in the public domain'
__author__ = 'Landon Fowles'

fbf imports

from fbf.utils.url import geturl, geturl2
from fbf.utils.generic import getwho
from fbf.lib.commands import cmnds
from fbf.lib.persist import Persist
from fbf.lib.examples import examples
from fbf.lib.persiststate import UserState

basic imports

from xml.dom import minidom
import urllib
from urllib.parse import urlencode
import logging
import time

weather command

def handle_weather(bot, ievent):
    """ show weather using Google's weather API """
    userhost = ""
    loc = ""
    try:
        nick = ievent.rest
        if nick:
            userhost = getwho(bot, nick)
            if not userhost: pass
            else:
                try:
                    name = bot.users.getname(userhost)
                    if not name: ievent.reply("%s is not known with the bot" % nick) ; return
                    us = UserState(name)
                    loc = us['location']
                except KeyError: ievent.reply("%s doesn't have his location set in userstate" % nick) ; return
    except KeyError: pass
    if not loc:
        if ievent.rest: loc = ievent.rest
        else: ievent.missing('<nick>|<location>') ; return
    query = urlencode({'weather':loc})
    try: weathertxt = geturl2('http://www.google.ca/ig/api?%s' % query)
    except urllib.error.HTTPError as ex: ievent.reply(str(ex)) ; return
    if 'problem_cause' in bytes(weathertxt, "utf-8"):
        logging.error(weathertxt)
        ievent.reply('an error occured looking up data for %s' % loc)
        return
    logging.debug("weather - got reply: %s" % weathertxt)
    resultstr = ""
    if weathertxt:
        gweather = minidom.parseString(weathertxt)
        gweather = gweather.getElementsByTagName('weather')[0]
        if ievent.usercmnd == "weather":
            info = gweather.getElementsByTagName('forecast_information')[0]
            if info:
                city = info.getElementsByTagName('city')[0].attributes["data"].value
                zip = info.getElementsByTagName('postal_code')[0].attributes["data"].value
                time = info.getElementsByTagName('current_date_time')[0].attributes["data"].value
                weather = gweather.getElementsByTagName('current_conditions')[0]
                condition = weather.getElementsByTagName('condition')[0].attributes["data"].value
                temp_f = weather.getElementsByTagName('temp_f')[0].attributes["data"].value
                temp_c = weather.getElementsByTagName('temp_c')[0].attributes["data"].value
                humidity = weather.getElementsByTagName('humidity')[0].attributes["data"].value
                try: wind = weather.getElementsByTagName('wind_condition')[0].attributes["data"].value
                except IndexError: wind = ""
                try: wind_km = round(int(wind[-6:-4]) * 1.609344)
                except ValueError: wind_km = ""
                if (not condition == ""): condition = " Oh, and it's " + condition + "."
                resultstr = "As of %s, %s (%s) has a temperature of %sC/%sF with %s. %s (%s km/h).%s" % (time, city, zip, temp_c, temp_f, humidity, wind, wind_km, condition)
        elif ievent.usercmnd == "forecast":
            forecasts = gweather.getElementsByTagName('forecast_conditions')
            for forecast in forecasts:
                condition = forecast.getElementsByTagName('condition')[0].attributes["data"].value
                low_f = forecast.getElementsByTagName('low')[0].attributes["data"].value
                high_f = forecast.getElementsByTagName('high')[0].attributes["data"].value
                day = forecast.getElementsByTagName('day_of_week')[0].attributes["data"].value
                low_c = round((int(low_f) - 32) * 5.0 / 9.0)
                high_c = round((int(high_f) - 32) * 5.0 / 9.0)
                resultstr += "[%s: F(%sl/%sh) C(%sl/%sh) %s]" % (day, low_f, high_f, low_c, high_c, condition)
    if not resultstr: ievent.reply('%s not found!' % loc) ; return
    else: ievent.reply(resultstr)

cmnds.add('weather', handle_weather, ['OPER', 'USER', 'GUEST'])
examples.add('weather', 'get weather for <LOCATION> or <nick>', '1) weather London, England 2) weather dunker')