Add new script.

read_one-wire_sensor.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import argparse
+import json
+import subprocess
+import sys
+
+parser = argparse.ArgumentParser(description='Read one-wire sensor.')
+parser.add_argument('metric', type=str,
+                    help='Metric name.')
+parser.add_argument('path', type=str,
+                    help='owfs sensor path.')
+
+args = parser.parse_args()
+
+try:
+  returned_output = subprocess.check_output(["/usr/bin/owread", "-s", "localhost:4304", args.path])
+  try:
+      value = round(float(returned_output.decode("utf-8").strip().strip("'")), 1)
+  except ValueError:
+      print (now()+" "+room+": Expected temperature, got garbage: "+returned_output)
+      sys.exit(1)
+except Exception as e:
+  print(e)
+  sys.exit(1)
+
+data = {}
+data[args.metric] = value
+print(json.dumps(data))