In Dabo, we create cursor classes that combine the backend-specific
dbapi cursor class with our own mixin class that adds framework-
specific behaviors. This has been working well for a couple of years
now with many different backends, but today I'm getting errors with
our Firebird class. I've checked the kinterbasdb site, and found
nothing there that was helpful. The error reads:
TypeError: Error when calling the metaclass bases
type 'kinterbasdb.Cursor' is not an acceptable base type
Here's some simple code that will generate the error:
import kinterbasdb
KCursor = kinterbasdb.Cursor
class TestMixin(object): pass
# This next line will raise the error.
class CombinedCursor(TestMixin, KCursor): pass
myCursor = CombinedCursor()
I'm not sure exactly what this error message means, so I don't know
how to go about fixing it. Here's my setup:
Windows 2000
Python v. 2.4.1
kinterbasdb 3.2.0a1
-- Ed Leafe
-- http://leafe.com
-- http://dabodev.com
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