Hi, I have developped an application using pytables as backend storage, which runs fine most of the time, but we have received a number of reports mentioning error messages such as:
10:27:20 ERROR : Error during projection HDF5ExtError: Can't set attribute
'reductor' in node:
/projections/EroDilSpeedCurve-01-Images-05-01 (Group) ''.
Traceback (most recent call last):
File "D:\castext\castext-0.6.0\surfcar\gui\castext_researchlab.py", line 541,
in doProjectLocally
surfaces):
File "D:\castext\castext-0.6.0\surfcar\surfaceset.py", line 371, in
project_locally
self.add_projection(reductor, projected, naxis, descriptor_name, surfaces)
File "D:\castext\castext-0.6.0\surfcar\surfaceset.py", line 879, in
add_projection
group._v_attrs.reductor = reductor
File "C:\Program Files\Python24\lib\site-packages\tables\AttributeSet.py",
line 363, in __setattr__
self._g__setattr(name, value)
File "C:\Program Files\Python24\lib\site-packages\tables\AttributeSet.py",
line 293, in _g__setattr
self._g_setAttr(name, value)
File "hdf5Extension.pyx", line 983, in hdf5Extension.AttributeSet._g_setAttr
File "hdf5Extension.pyx", line 727, in
hdf5Extension.AttributeSet._g_setAttrStr
HDF5ExtError: Can't set attribute 'reductor' in node:
/projections/EroDilSpeedCurve-01-Images-05-01 (Group) ''.
I have not been able to reproduce the behaviour locally yet.
reductor is a python object. Are there any limitations to the size of an
object stored as an attribute in a tables file ? I would be very
grateful for any additional hint towards a solution.
The application is deployed with tables-1.3.2 and python 2.4 on Windows XP.
Thanks in advance.
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Alexandre Fayolle LOGILAB, Paris (France)
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