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-rw-r--r--shack/strom/main.py50
1 files changed, 50 insertions, 0 deletions
diff --git a/shack/strom/main.py b/shack/strom/main.py
new file mode 100644
index 00000000..e1a85d02
--- /dev/null
+++ b/shack/strom/main.py
@@ -0,0 +1,50 @@
+#! /usr/bin/python
+# -*- coding utf-8 -*-
+
+from __future__ import division
+
+import re
+
+
+class Reader(object):
+ _re = re.compile(r'^(?P<field>\d-\d:\d+\.\d+\.\d+\*\d+)\((?P<value>\S+?)(?:\*[VAW])?\)$')
+
+ def _convert_periode(value):
+ return int(value, 16) / 100
+
+ fields = {
+ '1-0:1.8.0*255': ('overall', float),
+ '1-0:31.7.0*255': ('l1_strom', float),
+ '1-0:32.7.0*255': ('l1_spannung', float),
+ '1-0:51.7.0*255': ('l2_strom', float),
+ '1-0:52.7.0*255': ('l2_spannung', float),
+ '1-0:71.7.0*255': ('l3_strom', float),
+ '1-0:72.7.0*255': ('l3_spannung', float),
+ '1-0:96.50.0*1': ('periode', _convert_periode),
+ }
+
+ def __init__(self, f):
+ self._file = f
+
+ def __iter__(self):
+ data = {}
+ for line in self._file:
+ line = line.strip()
+ if line == '!':
+ yield data
+ data = {}
+ continue
+ r = self._re.match(line)
+ if not r:
+ continue
+ field = self.fields.get(r.group('field'))
+ if field:
+ data[field[0]] = field[1](r.group('value'))
+ #uncomment to print unmapped values
+ #else:
+ # print r.groups()
+
+
+data_file = open('testdata')
+for data in Reader(data_file):
+ print data