31 lines
797 B
Python
31 lines
797 B
Python
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import argparse
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import json
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import subprocess
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import sys
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parser = argparse.ArgumentParser(description='Read one-wire sensor.')
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parser.add_argument('metric', type=str,
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help='Metric name.')
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parser.add_argument('path', type=str,
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help='owfs sensor path.')
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args = parser.parse_args()
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try:
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returned_output = subprocess.check_output(["/usr/bin/owread", "-s", "localhost:4304", args.path])
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try:
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value = round(float(returned_output.decode("utf-8").strip().strip("'")), 1)
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except ValueError:
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print (now()+" "+room+": Expected temperature, got garbage: "+returned_output)
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sys.exit(1)
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except Exception as e:
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print(e)
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sys.exit(1)
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data = {}
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data[args.metric] = value
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print(json.dumps(data))
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