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script/test/diffcalc (copy)/diffcalc/dc/common.py

@@ -0,0 +1,24 @@
+from diffcalc.util import allnum, command, DiffcalcException
+
+
+def sim(scn, hkl):
+    """sim hkl scn -- simulates moving scannable (not all)
+    """
+    if not isinstance(hkl, (tuple, list)):
+        raise TypeError()
+
+    if not allnum(hkl):
+        raise TypeError()
+
+    try:
+        print scn.simulateMoveTo(hkl)
+    except AttributeError:
+        raise TypeError(
+                "The first argument does not support simulated moves")
+        
+def energy_to_wavelength(energy):
+    try:
+        return 12.39842 / energy
+    except ZeroDivisionError:
+        raise DiffcalcException(
+            "Cannot calculate hkl position as Energy is set to 0")