51 lines
1.2 KiB
Plaintext
51 lines
1.2 KiB
Plaintext
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#!/usr/local/bin/python
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"""
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munin US NOAA weather plugin (http://weather.noaa.gov)
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Draws pressure in hPa.
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Copy/link file as 'weather_pressure_CODE', like: weather_pressure_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_hPa = re.compile('Pressure.*\((\d+) hPa\)')
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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 Atmospheric pressure at code %s' % code
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print 'graph_vlabel Pressure in hPa'
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print 'graph_category Weather'
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print 'pressure.label Pressure'
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print 'pressure.type GAUGE'
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print 'graph_args --base 1000 -l 850 -u 1050 --rigid'
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print 'graph_scale no'
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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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hPa = re_hPa.findall(txt)[0]
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print 'pressure.value %s' % hPa
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