Hello
I am not able to rename a node which has parent nodes. The doc doesn't specify
any restriction to the usage of the renameNode method.
Here is a small example script to show what I want to achieve :
import tables
# Create file and groups
file = tables.openFile("test.hdf5", "w")
file.createGroup("/", "data", "Data")
file.createGroup("/data", "id", "Single Data")
file.createGroup("/data/id/", "curves1", "Curve 1")
file.createGroup("/data/id/", "curves2", "Curve 2")
# Rename (works)
file.renameNode("/data/id/curves1", "newcurve1")
# Rename (doesn't work)
file.renameNode("/data/id", "newid")
The first rename will work and rename "/data/id/curves1" to "/data/id/newcurve1"
The second rename will fail with the following traceback :
Traceback (most recent call last):
File "Rename.py", line 14, in <module>
file.renameNode("/data/id", "newid")
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/tables/file.py",
line 1157, in renameNode
obj._f_rename(newname, overwrite)
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/tables/node.py",
line 590, in _f_rename
self._f_move(newname=newname, overwrite=overwrite)
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/tables/node.py",
line 674, in _f_move
self._g_move(newparent, newname)
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/tables/group.py",
line 565, in _g_move
self._v_file._updateNodeLocations(oldPath, newPath)
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/tables/file.py",
line 2368, in _updateNodeLocations
descendentNode._g_updateLocation(newNodePPath)
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/tables/node.py",
line 414, in _g_updateLocation
file_._refNode(self, newPath)
File
"/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/tables/file.py",
line 2287, in _refNode
"file already has a node with path ``%s``" % nodePath
AssertionError: file already has a node with path ``/data``
Closing remaining open files: test.hdf5... done
Exception AttributeError: "'File' object has no attribute '_aliveNodes'" in
ignored
Perhaps I can not do what I want to do here, or is there another method I
should use ?
Thanks in advance
Michka Popoff------------------------------------------------------------------------------
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