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# Weather plugin for rbot
# Copyright (C) 2006 Giuseppe Bilotta
#
# Author: Giuseppe "Oblomov" Bilotta <giuseppe.bilotta@gmail.com>
require 'uri'
class WuWeatherPlugin < Plugin
def help(plugin, topic="")
"weather <location> => display the current conditions at the location specified; you can use 'station <code>' to look up data by station code ( lookup your station code at http://www.weatherunderground.com/ )"
end
def initialize
super
@url="http://mobile.wunderground.com/cgi-bin/findweather/getForecast?brand=mobile&query=%s"
@station_url="http://mobile.wunderground.com/global/stations/%s.html"
end
def station(m, params)
where = params[:where]
begin
unless where
m.reply "I don't know where you are, #{m.sourcenick} (and you can't set it yet)"
end
xml = @bot.httputil.get_cached(@station_url % URI.escape(where))
case xml
when nil
m.reply "couldn't retrieve weather information, sorry"
return
when /<table border.*?>(.*?)<\/table>/m
data = $1
m.reply weather_filter(data)
else
debug xml
m.reply "something went wrong with the data for #{where}..."
end
rescue => e
m.reply "retrieving info about '#{where}' failed (#{e})"
end
end
def weather(m, params)
where = params[:where].to_s
begin
if where.empty?
m.reply "I don't know where you are, #{m.sourcenick} (and you can't set it yet)"
end
xml = @bot.httputil.get_cached(@url % URI.escape(where))
case xml
when nil
m.reply "couldn't retrieve weather information, sorry"
return
when /City Not Found/
m.reply "no such location found (#{where})"
return
when /<table border.*?>(.*?)<\/table>/m
data = $1
m.reply weather_filter(data)
when /<a href="\/global\/stations\//
stations = xml.scan(/<a href="\/global\/stations\/(.*?)\.html">/)
m.reply "multiple stations available, use 'weather station <code>' where code is one of " + stations.join(", ")
else
debug xml
m.reply "something went wrong with the data from #{where}..."
end
rescue => e
m.reply "retrieving info about '#{where}' failed (#{e})"
end
end
def weather_filter(stuff)
txt = stuff
txt.gsub!(/[\n\s]+/,' ')
data = Hash.new
txt.gsub!(/ /, ' ')
txt.gsub!(/°/, ' ') # degree sign
txt.gsub!(/<\/?b>/,'')
txt.gsub!(/<\/?span[^<>]*?>/,'')
txt.gsub!(/<img\s*[^<>]*?>/,'')
txt.gsub!(/<br\s?\/?>/,'')
result = Array.new
if txt.match(/<\/a>\s*Updated:\s*(.*?)\s*Observed at\s*(.*?)\s*<\/td>/)
result << ("Weather info for %s (updated on %s)" % [$2, $1])
end
txt.scan(/<tr>\s*<td>\s*(.*?)\s*<\/td>\s*<td>\s*(.*?)\s*<\/td>\s*<\/tr>/) { |k, v|
unless v.empty? or v == "-" or k =="Raw METAR"
result << ("%s: %s" % [k, v])
end
}
return result.join('; ')
end
end
plugin = WuWeatherPlugin.new
plugin.map 'weather station :where', :action => 'station', :defaults => {:where => false}
plugin.map 'weather *where', :defaults => {:where => false}
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