Thanks for the many, many pointers, Russ. Better ways of thinking
about the problem have finally caught up to me. To illustrate my
latest thoughts,
class DefaultStructure(serializers.Structure):
root_list = ("django-objects", {"version": "1.0"})
object = ("object", {"pk": "%(pk)d", "model": "%(model_name)s"})
field = ("field", {"type": "%(field_type)s", "name": "%(field_name)
s"}, "")
relations = ("field", {"to": "%(to)s", "name": "%(field_name)s",
"rel": "%(relation_type)s"})
# used by JSON and YAML, which don't use 'relations'
relation_list = ("%(model_name_plural)s", {})
related_object = ("object", {"pk": "%(pk)d"}, "")
As is, this would, theoretically, produce the same serialized output
as the current XML serializer.
To explain, each attribute of AppStructure is (currently) a 2-tuple or
3-tuple containing the name of the node, the dictionary of attributes,
and the value of the field, as appropriate. The string contents of
each attribute is included as appropriate during the serialization
process, with sensible interpolation arguments provided for
convenience and clarity. Most of these are fields or field
attributes, as appropriate, but some (e.g. "relation_type",
"model_name_plural", "field_type") would be provided just for the
convenience of it.
It lacks the elegance you appreciated earlier, but that is essentially
the building blocks of the current serializer's xml output. I want to
think more on whether or not this could be condensed into something
similar to my previous thought (the single 'structure' member), just
to make the class a bit less verbose. I'll also explore some usage
examples in the final application.
Last-minute thoughts before the deadline?
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