That is strange. Can you provide a minimal but complete program that
reproduces this problem, so I can look at it?
On Wed, Nov 10, 2010 at 12:42 AM, Vsevolod Zadubrovsky <
zadubrov...@gmail.com> wrote:
> It seems to me, it doesn't work at all.
>
> I got this:
> >(Pdb) import ooo
> >(Pdb) vals_by_nums =
> req.DESCRIPTOR.fields_by_name['error'].enum_type.values_by_number[req.error]
> >(Pdb) options = vals_by_nums.GetOptions()
> >(Pdb) options.Extensions[ooo.verbose_enum_value_option]
> *** KeyError: 'Extension "verbose_enum_value_option" extends message
> type "google.protobuf.EnumValueOptions", but this message is of type
> "google.protobuf.EnumValueOptions".'
>
> I've checked the source code, and it looks like raised from here
> (google.protobuf.reflection, line 224):
>
> if extension_handle.containing_type is not message.DESCRIPTOR:
> raise KeyError('Extension "%s" extends message type "%s", but this
> '
> 'message is of type "%s".' %
> (extension_handle.full_name,
> extension_handle.containing_type.full_name,
> message.DESCRIPTOR.full_name))
>
> Any ideas ? may be it is already solved in trunk version?
>
> Thanks
>
> On Nov 10, 1:50 am, Kenton Varda <ken...@google.com> wrote:
> > You need to use the descriptor for the enum type. Unfortunately this
> > interface isn't very well fleshed-out in Python. I think you'd have to
> > write something like:
> >
> >
> Request.DESCRIPTOR.fields_by_name['error'].enum_type.values_by_number[message.error].options.Extensions[verbose_enum_value_option]
> >
> > I haven't checked that that's exactly correct, but it gives you an idea.
> We
> > should probably improve this.
> >
> > On Tue, Nov 9, 2010 at 4:12 AM, Vsevolod Zadubrovsky
> > <zadubrov...@gmail.com>wrote:
> >
> > > Hi, I'm stuck with getting the enum value option in Python. The proto
> > > file is:
> >
> > > import "descriptor.proto";
> >
> > > extend google.protobuf.EnumValueOptions {
> > > optional string verbose_enum_value_option = 50005;
> > > }
> >
> > > enum ErrorType {
> > > OK = 1 [(verbose_enum_value_option) = "OK"];
> > > SOME_ERROR = 2 [(verbose_enum_value_option) = "Some Error
> verbose
> > > message"];
> > > }
> >
> > > message Request {
> > > required bool success = 1;
> > > optional ErrorType error = 2;
> > > }
> >
> > > When I receive the Request message, I can access the 'error' field,
> > > and its type is int, that's actually ok. But how can I get the
> > > verbose_enum_value_option of 'error' field value ?
> >
> > > Thanks
> >
> > > p.s. The goal is to keep error types and their verbose error messages
> > > in one place, available for every service in our project, so the error
> > > messages would've been identical.
> >
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