Changeset 1124 for trunk/bindings/python/nxs/tree.py

Timestamp:

14/11/08 21:19:43 (4 years ago)

Author:

Paul Kienzle

Message:

python: use NeXusError rather than RuntimeError. Refs #101.

File:

• trunk/bindings/python/nxs/tree.py (modified) (7 diffs)

trunk/bindings/python/nxs/tree.py

@@ -126 +126 @@
 import nxs.napi
 import nxs.unit
+from nxs.napi import NeXusError
 
 
@@ -403 +404 @@
             try:
                 gid[target] = self.getdataID()
-            except RuntimeError:
+            except NeXusError:
                 gid[target] = self.getgroupID()
 
@@ -718 +719 @@
     """
     def plot(self, signal, axes, entry, title, **opts):
+        """
+        Plot the data entry.
+        
+        Raises NeXusError if the data cannot be plotted.
+        """
         import pylab
         pylab.cla()
@@ -755 +761 @@
         # No support for higher dimensions yet
         else:
-            raise RuntimeError, "Cannot plot a dataset of rank 3 or greater."
+            raise NeXusError, "Cannot plot a dataset of rank 3 or greater."
     @staticmethod
     def show():
@@ -798 +804 @@
         """
         Plot data contained within the group.
+        
+        Raises NeXusError if the data could not be plotted.
         """
         
@@ -806 +814 @@
                 break
         else:
-            raise RuntimeError('No plottable signal')
+            raise NeXusError('No plottable signal')
         
         # Find the associated axes
@@ -812 +820 @@
             axes = [getattr(self,a) for a in signal.Aaxes.nxdata.split(':')]
         else:
-            raise RuntimeError('Axes attribute missing from signal')
+            raise NeXusError('Axes attribute missing from signal')
 
         # Construct title