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44 lines
1.2 KiB
Python
Executable file
44 lines
1.2 KiB
Python
Executable file
#!/usr/bin/env python
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"""
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munin US NOAA weather plugin (http://tgftp.nws.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://tgftp.nws.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://tgftp.nws.noaa.gov/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 not code:
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sys.exit(1)
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elif 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 sensors')
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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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