2012-04-11 12:08:02 +02:00
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#!/usr/bin/env python
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2009-05-25 22:56:50 +02:00
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"""
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munin US NOAA weather plugin (http://weather.noaa.gov)
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Draws temperature/dew point in C.
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Copy/link file as 'weather_temp_CODE', like: weather_temp_LOWW for Austria, Vienna.
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Get the code by going to http://weather.noaa.gov, selecting your
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location, and copying the code from the address bar of your browser; should
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be something like CODE.html.
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Linux users might need to adjust the shebang.
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"""
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import sys
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import urllib
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import re
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url = 'http://weather.noaa.gov/pub/data/observations/metar/decoded/%s.TXT'
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re_C = re.compile('Temperature:.*\((-?\d+\.?\d?) C\)')
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re_DewC = re.compile('Dew.*\((-?\d+\.?\d?) C\)')
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code = sys.argv[0][(sys.argv[0].rfind('_')+1):]
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if code == None: sys.exit(1)
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if len(sys.argv) == 2 and sys.argv[1] == "autoconf":
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print "yes"
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elif len(sys.argv) == 2 and sys.argv[1] == "config":
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print 'graph_title Temperature and Dew Point at code %s' % code
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print 'graph_vlabel Temperature and Dew Point in C'
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print 'graph_category Weather'
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print 'temperature.label Temperature'
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print 'dewpoint.label Dew Point'
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print 'graph_args --base 1000 -l 0'
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else:
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u = urllib.urlopen(url % code)
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txt = u.read()
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u.close()
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C = re_C.findall(txt)[0]
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DewC = re_DewC.findall(txt)[0]
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print 'temperature.value %s' % C
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print 'dewpoint.value %s' % DewC
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