fetched mlz version

- before some chamges in the gerrit pipline

Change-Id: I33eb2d75f83345a7039d0fb709e66defefb1c3e0

frappy_demo/test.py

@@ -0,0 +1,103 @@
+#  -*- coding: utf-8 -*-
+# *****************************************************************************
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# Module authors:
+#   Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
+#
+# *****************************************************************************
+"""testing devices"""
+
+
+import random
+
+from frappy.datatypes import FloatRange, StringType, ValueType
+from frappy.modules import Communicator, Drivable, Parameter, Property, \
+    Readable
+from frappy.params import Command
+
+
+class LN2(Readable):
+    """Just a readable.
+
+    class name indicates it to be a sensor for LN2,
+    but the implementation may do anything
+    """
+
+    def read_value(self):
+        return round(100 * random.random(), 1)
+
+
+class Heater(Drivable):
+    """Just a driveable.
+
+    class name indicates it to be some heating element,
+    but the implementation may do anything
+    """
+
+    maxheaterpower = Parameter('maximum allowed heater power',
+                               datatype=FloatRange(0, 100), unit='W',
+                               )
+
+    def read_value(self):
+        return round(100 * random.random(), 1)
+
+    def write_target(self, target):
+        pass
+
+
+class Temp(Drivable):
+    """Just a driveable.
+
+    class name indicates it to be some temperature controller,
+    but the implementation may do anything
+    """
+
+    sensor = Parameter(
+       "Sensor number or calibration id",
+       datatype=StringType(
+           8,
+           16),
+       readonly=True,
+    )
+    target = Parameter(
+       "Target temperature",
+       default=300.0,
+       datatype=FloatRange(0),
+       readonly=False,
+       unit='K',
+    )
+
+    def read_value(self):
+        return round(100 * random.random(), 1)
+
+    def write_target(self, target):
+        pass
+
+
+class Lower(Communicator):
+    """Communicator returning a lowercase version of the request"""
+
+    @Command(argument=StringType(), result=StringType(), export='communicate')
+    def communicate(self, command):
+        """lowercase a string"""
+        return str(command).lower()
+
+class Mapped(Readable):
+    value = Parameter(datatype=StringType())
+    choices = Property('List of choices',
+                        datatype=ValueType(list))
+    def read_value(self):
+        return self.choices[random.randrange(len(self.choices))]