Convert example configs to python

Fixes: #4627

Change-Id: I1049af9fa2f3f9ec06e55811dc9ecfa5f359c805

cfg/ppms_cfg.py

@@ -0,0 +1,93 @@
+Node('PPMS.psi.ch',
+    'PPMS at PSI',
+    'tcp://5000',
+)
+
+Mod('tt',
+    'frappy_psi.ppms.Temp',
+    'main temperature',
+    io = 'ppms',
+)
+
+Mod('mf',
+    'frappy_psi.ppms.Field',
+    'magnetic field',
+    target = Param(min=-9, max=9),
+    io = 'ppms',
+)
+
+Mod('pos',
+    'frappy_psi.ppms.Position',
+    'sample rotator',
+    io = 'ppms',
+)
+
+Mod('lev',
+    'frappy_psi.ppms.Level',
+    'helium level',
+    io = 'ppms',
+)
+
+Mod('chamber',
+    'frappy_psi.ppms.Chamber',
+    'chamber state',
+    io = 'ppms',
+)
+
+for i in range(1,5):
+    Mod('r%d' % i,
+        'frappy_psi.ppms.BridgeChannel',
+        'resistivity channel %d' % i,
+        no = i,
+        value = Param(unit = 'Ohm'),
+        io = 'ppms',
+    )
+
+for i in range(1,5):
+    Mod('i%d' % i,
+        'frappy_psi.ppms.Channel',
+        'current channel %d' % i,
+        no = i,
+        value = Param(unit = 'uA'),
+        io = 'ppms',
+    )
+
+Mod('v1',
+    'frappy_psi.ppms.DriverChannel',
+    'voltage channel 1',
+    no = 1,
+    value = Param(unit = 'V'),
+    io = 'ppms',
+)
+
+Mod('v2',
+    'frappy_psi.ppms.DriverChannel',
+    'voltage channel 2',
+    no = 2,
+    value = Param(unit = 'V'),
+    io = 'ppms',
+)
+
+Mod('tv',
+    'frappy_psi.ppms.UserChannel',
+    'VTI temperature',
+    enabled = 1,
+    value = Param(unit = 'K'),
+    io = 'ppms',
+)
+
+Mod('ts',
+    'frappy_psi.ppms.UserChannel',
+    'sample temperature',
+    enabled = 1,
+    value = Param(unit = 'K'),
+    io = 'ppms',
+)
+
+Mod('ppms',
+    'frappy_psi.ppms.Main',
+    'the main and poller module',
+    class_id = 'QD.MULTIVU.PPMS.1',
+    visibility = 3,
+    pollinterval = 2,
+)