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script/__Lib/diffcalc_old/diffcalc/hkl/common.py

@@ -0,0 +1,55 @@
+###
+# Copyright 2008-2011 Diamond Light Source Ltd.
+# This file is part of Diffcalc.
+#
+# Diffcalc 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 3 of the License, or
+# (at your option) any later version.
+#
+# Diffcalc 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 Diffcalc.  If not, see <http://www.gnu.org/licenses/>.
+###
+from diffcalc.util import allnum
+
+def getNameFromScannableOrString(o):
+        try:  # it may be a scannable
+            return o.getName()
+        except AttributeError:
+            return str(o)
+            raise TypeError()
+
+
+class DummyParameterManager(object):
+
+    def getParameterDict(self):
+        return {}
+
+    def _setParameter(self, name, value):
+        raise KeyError(name)
+
+    def _getParameter(self, name):
+        raise KeyError(name)
+
+    def update_tracked(self):
+        pass
+
+
+def sim(self, 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")