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...(h, count, offset, may_trim): + global disk + if may_trim: + disk[offset:offset+count] = bytearray(count) + else: + nbdkit.set_error(errno.EOPNOTSUPP) + raise Exception diff --git a/plugins/python/nbdkit-python-plugin.pod b/plugins/python/nbdkit-python-plugin.pod index a1e3d2b..1c57e15 100644 --- a/plugins/python/nbdkit-python-plugin.pod +++ b/plugins/python/nbdkit-python-plugin.pod @@ -215,6 +215,26 @@ The body of your C<trim> function should "punch a hole" in the backing store. If the trim fails, your function should throw an exception, optionally us...

This cleans up the existing code base with regards to implicit use of errno from language bindings, then rebases the previous work in python on top of that. I'm still playing with the perl bindings, but got further after reading 'perldoc perlembed'. Eric Blake (4): plugins: Don't use bogus errno from non-C plugins plugins: Add new nbdkit_set_error() utility function python: