On Thursday 17 July 2008 19:41:51 Anthony Floyd wrote: > > > What I need to know is how I can trick pickle or Numpy to > > > > put the old class into the new class. > > > > If you have an example data-file, send it to me off-list and I'll > > figure out what to do. Maybe it is as simple as > > > > np.core.ma = np.oldnumeric.ma > > Yes, pretty much. We've put ma.py into numpy.core where ma.py is > nothing more than: > > import numpy.oldnumeric.ma as ma > > class MaskedArray(ma.MaskedArray): > pass > > It works, but becomes a bit of a headache because we now have to > maintain our own numpy package so that all the developers get these > three lines when they install numpy.
Did you try changing the pickled data? IIRC you could simply search&replace, since the class name is at the beginning of the representation in clear text. (I see that this a hack, too but it saves you from having to maintain your own numpy.) HTH, Hans _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion
