413 lines
13 KiB
Python
413 lines
13 KiB
Python
#!/usr/bin/env python
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"""
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weather.py - Phenny Weather Module
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Copyright 2008, Sean B. Palmer, inamidst.com
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Licensed under the Eiffel Forum License 2.
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http://inamidst.com/phenny/
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"""
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import re, urllib.request, urllib.parse, urllib.error
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import web
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from tools import deprecated, GrumbleError
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r_from = re.compile(r'(?i)([+-]\d+):00 from')
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def location(name):
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name = urllib.parse.quote(name)
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uri = 'http://ws.geonames.org/searchJSON?q=%s&maxRows=1' % name
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for i in range(10):
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bytes = web.get(uri)
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if bytes is not None: break
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results = web.json(bytes)
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try: name = results['geonames'][0]['name']
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except IndexError:
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return '?', '?', '0', '0'
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countryName = results['geonames'][0]['countryName']
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lat = results['geonames'][0]['lat']
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lng = results['geonames'][0]['lng']
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return name, countryName, lat, lng
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def local(icao, hour, minute):
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uri = ('http://www.flightstats.com/' +
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'go/Airport/airportDetails.do?airportCode=%s')
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try: bytes = web.get(uri % icao)
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except AttributeError:
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raise GrumbleError('A WEBSITE HAS GONE DOWN WTF STUPID WEB')
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m = r_from.search(bytes)
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if m:
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offset = m.group(1)
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lhour = int(hour) + int(offset)
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lhour = lhour % 24
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return (str(lhour) + ':' + str(minute) + ', ' + str(hour) +
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str(minute) + 'Z')
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# return (str(lhour) + ':' + str(minute) + ' (' + str(hour) +
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# ':' + str(minute) + 'Z)')
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return str(hour) + ':' + str(minute) + 'Z'
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def code(phenny, search):
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from icao import data
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if search.upper() in [loc[0] for loc in data]:
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return search.upper()
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else:
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name, country, latitude, longitude = location(search)
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if name == '?': return False
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sumOfSquares = (99999999999999999999999999999, 'ICAO')
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for icao_code, lat, lon in data:
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latDiff = abs(latitude - lat)
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lonDiff = abs(longitude - lon)
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diff = (latDiff * latDiff) + (lonDiff * lonDiff)
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if diff < sumOfSquares[0]:
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sumOfSquares = (diff, icao_code)
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return sumOfSquares[1]
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@deprecated
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def f_weather(self, origin, match, args):
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""".weather <ICAO> - Show the weather at airport with the code <ICAO>."""
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if origin.sender == '#talis':
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if args[0].startswith('.weather '): return
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icao_code = match.group(2)
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if not icao_code:
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return self.msg(origin.sender, 'Try .weather London, for example?')
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icao_code = code(self, icao_code)
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if not icao_code:
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self.msg(origin.sender, 'No ICAO code found, sorry')
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return
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uri = 'http://weather.noaa.gov/pub/data/observations/metar/stations/%s.TXT'
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try: bytes = web.get(uri % icao_code)
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except AttributeError:
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raise GrumbleError('OH CRAP NOAA HAS GONE DOWN THE WEB IS BROKEN')
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except urllib.error.HTTPError:
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self.msg(origin.sender, "No NOAA data available for that location.")
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return
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if 'Not Found' in bytes:
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self.msg(origin.sender, icao_code+': no such ICAO code, or no NOAA data')
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return
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metar = bytes.splitlines().pop()
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metar = metar.split(' ')
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if len(metar[0]) == 4:
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metar = metar[1:]
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if metar[0].endswith('Z'):
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time = metar[0]
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metar = metar[1:]
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else: time = None
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if metar[0] == 'AUTO':
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metar = metar[1:]
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if metar[0] == 'VCU':
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self.msg(origin.sender, icao_code + ': no data provided')
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return
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if metar[0].endswith('KT'):
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wind = metar[0]
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metar = metar[1:]
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else: wind = None
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if ('V' in metar[0]) and (metar[0] != 'CAVOK'):
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vari = metar[0]
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metar = metar[1:]
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else: vari = None
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if ((len(metar[0]) == 4) or
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metar[0].endswith('SM')):
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visibility = metar[0]
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metar = metar[1:]
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else: visibility = None
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while metar[0].startswith('R') and (metar[0].endswith('L')
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or 'L/' in metar[0]):
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metar = metar[1:]
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if len(metar[0]) == 6 and (metar[0].endswith('N') or
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metar[0].endswith('E') or
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metar[0].endswith('S') or
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metar[0].endswith('W')):
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metar = metar[1:] # 7000SE?
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cond = []
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while (((len(metar[0]) < 5) or
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metar[0].startswith('+') or
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metar[0].startswith('-')) and (not (metar[0].startswith('VV') or
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metar[0].startswith('SKC') or metar[0].startswith('CLR') or
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metar[0].startswith('FEW') or metar[0].startswith('SCT') or
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metar[0].startswith('BKN') or metar[0].startswith('OVC')))):
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cond.append(metar[0])
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metar = metar[1:]
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while '/P' in metar[0]:
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metar = metar[1:]
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if not metar:
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self.msg(origin.sender, icao_code + ': no data provided')
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return
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cover = []
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while (metar[0].startswith('VV') or metar[0].startswith('SKC') or
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metar[0].startswith('CLR') or metar[0].startswith('FEW') or
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metar[0].startswith('SCT') or metar[0].startswith('BKN') or
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metar[0].startswith('OVC')):
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cover.append(metar[0])
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metar = metar[1:]
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if not metar:
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self.msg(origin.sender, icao_code + ': no data provided')
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return
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if metar[0] == 'CAVOK':
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cover.append('CLR')
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metar = metar[1:]
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if metar[0] == 'PRFG':
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cover.append('CLR') # @@?
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metar = metar[1:]
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if metar[0] == 'NSC':
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cover.append('CLR')
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metar = metar[1:]
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if ('/' in metar[0]) or (len(metar[0]) == 5 and metar[0][2] == '.'):
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temp = metar[0]
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metar = metar[1:]
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else: temp = None
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if metar[0].startswith('QFE'):
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metar = metar[1:]
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if metar[0].startswith('Q') or metar[0].startswith('A'):
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pressure = metar[0]
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metar = metar[1:]
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else: pressure = None
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if time:
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hour = time[2:4]
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minute = time[4:6]
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time = local(icao_code, hour, minute)
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else: time = '(time unknown)'
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if wind:
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speed = int(wind[3:5])
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if speed < 1:
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description = 'Calm'
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elif speed < 4:
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description = 'Light air'
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elif speed < 7:
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description = 'Light breeze'
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elif speed < 11:
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description = 'Gentle breeze'
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elif speed < 16:
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description = 'Moderate breeze'
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elif speed < 22:
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description = 'Fresh breeze'
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elif speed < 28:
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description = 'Strong breeze'
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elif speed < 34:
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description = 'Near gale'
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elif speed < 41:
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description = 'Gale'
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elif speed < 48:
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description = 'Strong gale'
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elif speed < 56:
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description = 'Storm'
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elif speed < 64:
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description = 'Violent storm'
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else: description = 'Hurricane'
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if wind[0:3] == 'VRB':
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degrees = '\u21BB'
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else:
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degrees = float(wind[0:3])
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if (degrees <= 22.5) or (degrees > 337.5):
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degrees = '\u2191'
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elif (degrees > 22.5) and (degrees <= 67.5):
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degrees = '\u2197'
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elif (degrees > 67.5) and (degrees <= 112.5):
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degrees = '\u2192'
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elif (degrees > 112.5) and (degrees <= 157.5):
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degrees = '\u2198'
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elif (degrees > 157.5) and (degrees <= 202.5):
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degrees = '\u2193'
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elif (degrees > 202.5) and (degrees <= 247.5):
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degrees = '\u2199'
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elif (degrees > 247.5) and (degrees <= 292.5):
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degrees = '\u2190'
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elif (degrees > 292.5) and (degrees <= 337.5):
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degrees = '\u2196'
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if not icao_code.startswith('EN') and not icao_code.startswith('ED'):
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wind = '%s %skt (%s)' % (description, speed, degrees)
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elif icao_code.startswith('ED'):
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kmh = int(round(speed * 1.852, 0))
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wind = '%s %skm/h (%skt) (%s)' % (description, kmh, speed, degrees)
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elif icao_code.startswith('EN'):
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ms = int(round(speed * 0.514444444, 0))
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wind = '%s %sm/s (%skt) (%s)' % (description, ms, speed, degrees)
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else: wind = '(wind unknown)'
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if visibility:
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visibility = visibility + 'm'
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else: visibility = '(visibility unknown)'
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if cover:
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level = None
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for c in cover:
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if c.startswith('OVC') or c.startswith('VV'):
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if (level is None) or (level < 8):
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level = 8
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elif c.startswith('BKN'):
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if (level is None) or (level < 5):
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level = 5
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elif c.startswith('SCT'):
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if (level is None) or (level < 3):
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level = 3
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elif c.startswith('FEW'):
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if (level is None) or (level < 1):
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level = 1
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elif c.startswith('SKC') or c.startswith('CLR'):
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if level is None:
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level = 0
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if level == 8:
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cover = 'Overcast \u2601'
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elif level == 5:
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cover = 'Cloudy'
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elif level == 3:
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cover = 'Scattered'
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elif (level == 1) or (level == 0):
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cover = 'Clear \u263C'
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else: cover = 'Cover Unknown'
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else: cover = 'Cover Unknown'
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if temp:
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if '/' in temp:
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temp = temp.split('/')[0]
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else: temp = temp.split('.')[0]
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if temp.startswith('M'):
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temp = '-' + temp[1:]
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try: temp = int(temp)
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except ValueError: temp = '?'
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else: temp = '?'
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if pressure:
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if pressure.startswith('Q'):
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pressure = pressure.lstrip('Q')
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if pressure != 'NIL':
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pressure = str(int(pressure)) + 'mb'
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else: pressure = '?mb'
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elif pressure.startswith('A'):
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pressure = pressure.lstrip('A')
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if pressure != 'NIL':
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inches = pressure[:2] + '.' + pressure[2:]
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mb = int(float(inches) * 33.7685)
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pressure = '%sin (%smb)' % (inches, mb)
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else: pressure = '?mb'
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if isinstance(temp, int):
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f = round((temp * 1.8) + 32, 2)
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temp = '%s\u2109 (%s\u2103)' % (f, temp)
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else: pressure = '?mb'
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if isinstance(temp, int):
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temp = '%s\u2103' % temp
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if cond:
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conds = cond
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cond = ''
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intensities = {
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'-': 'Light',
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'+': 'Heavy'
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}
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descriptors = {
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'MI': 'Shallow',
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'PR': 'Partial',
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'BC': 'Patches',
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'DR': 'Drifting',
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'BL': 'Blowing',
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'SH': 'Showers of',
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'TS': 'Thundery',
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'FZ': 'Freezing',
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'VC': 'In the vicinity:'
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}
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phenomena = {
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'DZ': 'Drizzle',
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'RA': 'Rain',
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'SN': 'Snow',
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'SG': 'Snow Grains',
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'IC': 'Ice Crystals',
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'PL': 'Ice Pellets',
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'GR': 'Hail',
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'GS': 'Small Hail',
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'UP': 'Unknown Precipitation',
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'BR': 'Mist',
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'FG': 'Fog',
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'FU': 'Smoke',
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'VA': 'Volcanic Ash',
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'DU': 'Dust',
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'SA': 'Sand',
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'HZ': 'Haze',
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'PY': 'Spray',
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'PO': 'Whirls',
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'SQ': 'Squalls',
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'FC': 'Tornado',
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'SS': 'Sandstorm',
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'DS': 'Duststorm',
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# ? Cf. http://swhack.com/logs/2007-10-05#T07-58-56
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'TS': 'Thunderstorm',
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'SH': 'Showers'
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}
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for c in conds:
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if c.endswith('//'):
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if cond: cond += ', '
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cond += 'Some Precipitation'
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elif len(c) == 5:
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intensity = intensities[c[0]]
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descriptor = descriptors[c[1:3]]
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phenomenon = phenomena.get(c[3:], c[3:])
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if cond: cond += ', '
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cond += intensity + ' ' + descriptor + ' ' + phenomenon
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elif len(c) == 4:
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descriptor = descriptors.get(c[:2], c[:2])
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phenomenon = phenomena.get(c[2:], c[2:])
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if cond: cond += ', '
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cond += descriptor + ' ' + phenomenon
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elif len(c) == 3:
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intensity = intensities.get(c[0], c[0])
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phenomenon = phenomena.get(c[1:], c[1:])
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if cond: cond += ', '
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cond += intensity + ' ' + phenomenon
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elif len(c) == 2:
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phenomenon = phenomena.get(c, c)
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if cond: cond += ', '
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cond += phenomenon
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# if not cond:
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# format = u'%s at %s: %s, %s, %s, %s'
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# args = (icao, time, cover, temp, pressure, wind)
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# else:
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# format = u'%s at %s: %s, %s, %s, %s, %s'
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# args = (icao, time, cover, temp, pressure, cond, wind)
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if not cond:
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format = '%s, %s, %s, %s - %s %s'
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args = (cover, temp, pressure, wind, str(icao_code), time)
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else:
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format = '%s, %s, %s, %s, %s - %s, %s'
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args = (cover, temp, pressure, cond, wind, str(icao_code), time)
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self.msg(origin.sender, format % args)
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f_weather.rule = (['weather'], r'(.*)')
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if __name__ == '__main__':
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print(__doc__.strip())
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