I am missing something very simple here, but can't unstuck myself:
This is what I want to have in the Field constructor (though it's obviously
incorrect):
Field('link', default=lambda link, row: URL('podcast', 'episode/' + row.id,
scheme=True, host=True))
I simply want one field to be determined by the other, in this case the
constructed link field should depend on the id field.
How do I accomplish this correctly?
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