#!/usr/bin/python

# weather.cgi.  This python cgi script parses the page at the address below 
# for specific weather data and displays it in an html page.  National 
# Weather Service data is free and unencumbered by license issues.
# In most cases this script must be run from the cgi bin.  Please check
# your server configuration.  This script is reasonably quick and could be
# considerably quicker, but some speed has been sacrificed in an attempt 
# to make it more robust.  A nice way to call it is as a server side 
# include with the following statement: 
# <!--include FILE="cgi-bin/weather.cgi"-->
# Enjoy.  http://www.braggtown.com

# Set the url below to your location using http://weather.noaa.gov/index.html
weather_url = "http://weather.noaa.gov/weather/current/KRDU.html"

from urllib import urlopen
import HTMLParser, string 
page = urlopen(weather_url).read()
import HTMLParser
class Stripper(HTMLParser.HTMLParser):
	def __init__(self):
	         self.reset()
	         self.fed = []
	def handle_data(self, d):
	        self.fed.append(d)
        def get_fed_data(self):
	         return ''.join(self.fed)
stripper = Stripper()
stripper.feed(page)
stripped_text = stripper.get_fed_data()
lines = stripped_text.split('\n')
l = [] 
for line in lines:
	if line.strip():
		l.append(line.strip())
i = 0

# To add data fields, first add a variable name to following list
# then add a condition statement similar to those below for that variable
# finally, make sure to create a print statement for it at the end

wind = conditions = temp = humidity = False
while i < len(l):
	if not wind:
		if l[i] == "Wind":
			wind = l[i +1]
	if not conditions:
		if l[i] == "Sky conditions":
			conditions =l[i+1]
	if not temp:
		if l[i] == "Temperature":
			temp = l[i+1]
	if not humidity:
		if l[i] == "Relative Humidity":
			humidity = l[i+1]
	i += 1
print "Content-Type: text/html\n"

# The following statements control the presentation of the data.

print "<p>"
print "<b>Current weather conditions in Raleigh</b> <br />"
print "Temperature: ", temp + "<br />"
print "Conditions: ", conditions + "<br />"
print "Wind: ", wind + "<br />"
print "Relative humidity: ", humidity + "<br />"
print "</p>"