Re: [Generateds-discuss] Export of an enumerated string restriction attribute with a default value

[Dave K. <dku...@da...>]

Andrii,

I believe there are two possible solutions to this:

1. Add `use="required"` to the attribute declaration in the XML  
schema.  For example:

        <xs:attribute default="GB" use="required" name="units">

2. Or, use the command line option "--always-export-default" when you  
run `generateDS.py`.

You will have to figure out which of the two above fits your use case.

I have to leave now for a lunch and a walk with a friend, but I'll
try to do a little more checking on this later.

Hope this helps.

Dave


Quoting Andrii Iudin <an...@eb...>:

> Dear Dave,
>
> Please could you help with writing out to XML an enumerated string  
> restriction attribute with a default value? It looks like this:
> <xs:attribute default="GB" name="units">
>     <xs:simpleType>
>         <xs:restriction base="xs:string">
>             <xs:enumeration value="TB"/>
>             <xs:enumeration value="GB"/>
>             <xs:enumeration value="MB"/>
>         </xs:restriction>
>     </xs:simpleType>
> </xs:attribute>
>
> When writing out and the value is set to "GB", no units are output  
> into the XML.
>
> It appears that the skip is happening in the following generated logic:
>     def _exportAttributes(self, outfile, level, already_processed,  
> namespaceprefix_='', name_='datasetSizeType'):
>         if self.units != "GB" and 'units' not in already_processed:
>             already_processed.add('units')
>             outfile.write(' units=%s' %  
> (self.gds_encode(self.gds_format_string(quote_attrib(self.units),  
> input_name='units')), ))
>
> At this point in code already_processed is just an empty set().
>
> Is there any switch or change in schema that we might do to ensure  
> "GB" units are added even if the value is the same as the default one?
>
> Many thanks and best regards,
> Andrii
>
>
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-- 
Dave Kuhlman
http://www.davekuhlman.org