Changeset 520

Timestamp:

May 3, 2011 10:50:38 AM (12 years ago)

Author:

jemian

Message:

show datasets before groups at each level

File:

• hdf5_exchange/h5py_examples/src/h5toText/h5toText.py (modified) (4 diffs)

hdf5_exchange/h5py_examples/src/h5toText/h5toText.py

@@ -2 +2 @@
 
 '''
-Created on Dec 17, 2010
-
-@author: prjemian
+Print the structure of an HDF5 file to stdout
+
+$Id$
+'''
+
+
 ########### SVN repository information ###################
 # $Date$
@@ -12 +15 @@
 # $Id$
 ########### SVN repository information ###################
-'''
+
 
 import h5py
@@ -21 +24 @@
 
 class H5toText(object):
-    ''' classdocs '''
+    '''
+    Example usage showing default display::
+    
+        mc = H5toText(filename)
+        mc.array_items_shown = 5
+        mc.report()
+    '''
     filename = None
     requested_filename = None
@@ -72 +81 @@
         print indentation + name + nxclass
         self.showAttributes(obj, indentation)
-        for name, value in obj.items():
-            #print name, type(value)
-            if str(type(value)) in ("<class 'h5py.highlevel.File'>", "<class 'h5py.highlevel.Group'>"):
-                self.showGroup(value, name, indentation = indentation+"  ")
-            else:
-                self.showDataset(value, name, indentation = indentation+"  ")
+        group_equivalents = ("<class 'h5py.highlevel.File'>", "<class 'h5py.highlevel.Group'>")
+        # show datasets (and links) first
+        for itemname in sorted(obj):
+            value = obj[itemname]
+            if str(type(value)) not in group_equivalents:
+                self.showDataset(value, itemname, indentation = indentation+"  ")
+        # then show things that look like groups
+        for itemname in sorted(obj):
+            value = obj[itemname]
+            if str(type(value)) in group_equivalents:
+                self.showGroup(value, itemname, indentation = indentation+"  ")
 
     def showAttributes(self, obj, indentation = "  "):
+        '''print any attributes'''
         for name, value in obj.attrs.iteritems():
             print "%s  @%s = %s" % (indentation, name, str(value))
 
     def showDataset(self, dset, name, indentation = "  "):
+        '''print the contents and structure of a dataset'''
         shape = dset.shape
         if self.isNeXus: