Convert example configs to python

Fixes: #4627

Change-Id: I1049af9fa2f3f9ec06e55811dc9ecfa5f359c805

cfg/ppms_proxy_test_cfg.py

@@ -0,0 +1,21 @@
+Node('filtered.PPMS.psi.ch',
+    'filtered PPMS at PSI',
+    'localhost:5002',
+)
+
+
+Mod('secnode',
+    'frappy.proxy.SecNode',
+    'a SEC node',
+    uri = 'tcp://localhost:5000',
+)
+
+Mod('mf',
+    'frappy.proxy.Proxy',
+    'magnetic field',
+    remote_class = 'frappy_psi.ppms.Field',
+    io = 'secnode',
+
+    value = Param(min = -0.1, max = 0.1),
+    target = Param(min = -8, max = 8),
+)