Support for various app and slic wrapper

ext/magnet.py

@@ -0,0 +1,21 @@
+from slic.core.adjustable import PVAdjustable
+from slic.utils import typename
+
+class Magnet(PVAdjustable):
+
+     def __init__(self,name):
+          self.name=name
+          pvsv='%s:I-SET' % name
+          pvrb='%s:I-READ' % name
+          tol = 0.075
+          super().__init__(pvsv,pvname_readback=pvrb,accuracy=tol,internal=True)
+
+
+
+     @property
+     def status(self):
+          return "Cycling"   
+
+     def __repr__(self):
+        tn = typename(self)
+        return f"{tn} \"{self.name}\" is {self.status}"