On Apr 28, 9:22 am, Peter Otten <__pete...@web.de> wrote: > Vinay Sajip wrote: > > On Apr 27, 5:41 pm, Peter Otten <__pete...@web.de> wrote: > > >> The Problem is that as of Python 2.7logging.LogRecord has become a > >> newstyle class which is pickled/unpickled differently. I don't know if > >> there is an official way to do the conversion, but here's what I've > >> hacked up. The script can read pickles written with 2.6 in 2.7, but not > >> the other way round. > >> [code snipped] > > > I don't know about "official", but another way of doing this is to > > pickle just the LogRecord's __dict__ and send that over the wire. The > > logging package contains a function makeLogRecord(d) where d is a > > dict. > > You are right, my approach is too complicated and only needed when the OP > cannot modify the sending script -- which is unlikely. > > > This is the approach used by the examples in the library documentation > > which pickle events for sending across a network: > > >http://docs.python.org/howto/logging-cookbook.html#sending-and-receiv... > > logging-events-across-a-network > > > > > The built-in SocketHandler pickles the LogRecord's __dict__ rather > > than the LogRecord itself, precisely because of the improved > > interoperability over pickling the instance directly. > > As a minimal change ensuring that the logging.LogRecord subclass used by the > OP is a newstyle class in 2.6 with > > class LogRecord(logging.LogRecord, object): > #... > > should work, too.
I tried this, but it didn't work. Pickling the __dict__ and then use makeLogRecord does the trick. Thank you very much for the excellent help, Ian. -- http://mail.python.org/mailman/listinfo/python-list