several improvements and bugfixes

+ rework GUI
  - include a combobox for selection of visibility
  - include a checkbox wether validation should be done in the client
  - remove unused lineEdit
+ improve datatypes
+ improve tests for new descriptive data
+ metaclasse: fix overlooked read_* or write_* func's
+ improve polling
+ Introduce new ErrorClasses
+ dispatcher: use new features of datatypes + PARAMS
+ improve lib
+ autopep8
+ first working version of MLZ_entangle integration
+ split specific stuff into it's own package (MLZ,demo,ess)

Change-Id: I8ac3ce871b28f44afecbba6332ca741095426712

test/test_client_baseclient.py

@@ -0,0 +1,83 @@
+#  -*- 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>
+#
+# *****************************************************************************
+"""test base client."""
+
+import pytest
+
+import sys
+sys.path.insert(0, sys.path[0]+'/..')
+
+from collections import OrderedDict
+from secop.client.baseclient import Client
+
+# define Test-only connection object
+class TestConnect(object):
+    callbacks = []
+    def writeline(self, line):
+        pass
+
+    def readline(self):
+        return ''
+
+
+@pytest.fixture(scope="module")
+def clientobj(request):
+    print ("  SETUP ClientObj")
+    testconnect = TestConnect()
+    yield Client(dict(testing=testconnect), autoconnect=False)
+    for cb, arg in testconnect.callbacks:
+        cb(arg)
+    print ("  TEARDOWN ClientObj")
+
+
+def test_describing_data_decode(clientobj):    
+    assert OrderedDict([('a',1)]) == clientobj._decode_list_to_ordereddict(['a',1])
+    assert {'modules':{}, 'properties':{}} == clientobj._decode_substruct(['modules'],{})
+    describing_data = {'equipment_id': 'eid', 
+                       'modules': ['LN2', {'commands': [], 
+                                           'interfaces': ['Readable', 'Device'], 
+                                           'parameters': ['value', {'datatype': ['double'], 
+                                                                    'description': 'current value', 
+                                                                    'readonly': True,
+                                                                   }
+                                                         ]
+                                          }
+                                  ]
+                      }
+    decoded_data = {'modules': {'LN2': {'commands': {}, 
+                                        'parameters': {'value': {'datatype': ['double'], 
+                                                                 'description': 'current value', 
+                                                                 'readonly': True,
+                                                                }
+                                                      }, 
+                                        'properties': {'interfaces': ['Readable', 'Device']}
+                                       }
+                                }, 
+                    'properties': {'equipment_id': 'eid',
+                                  }
+                   }
+
+    a = clientobj._decode_substruct(['modules'], describing_data)
+    for modname, module in a['modules'].items():
+        a['modules'][modname] = clientobj._decode_substruct(['parameters', 'commands'], module)
+    assert a == decoded_data
+