phenny/modules/weather.py

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#!/usr/bin/env python
"""
weather.py - Phenny Weather Module
Copyright 2008, Sean B. Palmer, inamidst.com
Licensed under the Eiffel Forum License 2.
http://inamidst.com/phenny/
"""
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import re
import metar
import json
import web
from tools import deprecated, GrumbleError
r_from = re.compile(r'(?i)([+-]\d+):00 from')
def location(q):
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uri = 'https://nominatim.openstreetmap.org/search?{type}={query}&format=json'
if q.isdigit():
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uri = uri . format(type = 'postalcode', query = web.quote(q))
else:
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uri = uri . format(type = 'q', query = web.quote(q))
results = web.get(uri)
data = json.loads(results)
if not data:
return None, None
latitude = float(data[0]['lat'])
longitude = float(data[0]['lon'])
return latitude, longitude
def local(icao, hour, minute):
uri = ('http://www.flightstats.com/' +
'go/Airport/airportDetails.do?airportCode=%s')
try: bytes = web.get(uri % icao)
except AttributeError:
raise GrumbleError('A WEBSITE HAS GONE DOWN WTF STUPID WEB')
m = r_from.search(bytes)
if m:
offset = m.group(1)
lhour = int(hour) + int(offset)
lhour = lhour % 24
return (str(lhour) + ':' + str(minute) + ', ' + str(hour) +
str(minute) + 'Z')
# return (str(lhour) + ':' + str(minute) + ' (' + str(hour) +
# ':' + str(minute) + 'Z)')
return str(hour) + ':' + str(minute) + 'Z'
def code(phenny, search):
from icao import data
if search.upper() in [loc[0] for loc in data]:
return search.upper()
else:
latitude, longitude = location(search)
if not latitude or not longitude:
return False
sumOfSquares = (99999999999999999999999999999, 'ICAO')
for icao_code, lat, lon in data:
latDiff = abs(latitude - lat)
lonDiff = abs(longitude - lon)
diff = (latDiff * latDiff) + (lonDiff * lonDiff)
if diff < sumOfSquares[0]:
sumOfSquares = (diff, icao_code)
return sumOfSquares[1]
def f_weather(phenny, input):
""".weather <ICAO> - Show the weather at airport with the code <ICAO>."""
icao_code = input.group(2)
if not icao_code:
return phenny.say("Try .weather London, for example?")
icao_code = code(phenny, icao_code)
if not icao_code:
phenny.say("No ICAO code found, sorry")
return
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uri = 'http://tgftp.nws.noaa.gov/data/observations/metar/stations/%s.TXT'
try:
bytes = web.get(uri % icao_code)
except AttributeError:
raise GrumbleError('OH CRAP NOAA HAS GONE DOWN THE WEB IS BROKEN')
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except web.HTTPError:
phenny.say("No NOAA data available for that location.")
return
if 'Not Found' in bytes:
phenny.say(icao_code + ": no such ICAO code, or no NOAA data")
return
phenny.say(str(metar.parse(bytes)))
f_weather.rule = (['weather'], r'(.*)')
if __name__ == '__main__':
print(__doc__.strip())