#!/usr/bin/env python2.5

import cgitb
cgitb.enable()

import sys, os
sys.path = ['..', '../trio'] + sys.path
from trio import Graph, n3

n3.prefix('', 'http://purl.org/ns/meteo#')
place = os.environ.get('PATH_INFO')[1:]
uri = 'http://infomesh.net/forecast/%s.rdf' % place

print 'Content-Type: text/plain'
print 

G = Graph(uri, format='rdfxml')
Q = n3("""[ :time ?time; :cloudCover [ :percent ?cloud ]; 
            :temperature [ :celsius ?temperature ]; 
            :precipitation [ :inches ?precipitation ] ] .""")

v = lambda term: term.lexical
for i, b in enumerate(G.select(Q, order='time')): 
   if i >= 50: break
   print v(b.time), v(b.temperature), v(b.cloud), v(b.precipitation)

# EOF