I have a relationship with a validator to automatically convert dicts
appended to the collection, so I can do something like this:
my_obj.my_collection.append({"rel_type_id": x})
Instead of this:
my_obj.my_collection.append(RelType(rel_type_id=x))
That works exactly as expected, but when I try to replace the whole
collection at once:
my_obj.my_collection = [{"rel_type_id": x}]
That results in a TypeError: unhashable type: 'dict', and the validator
method is never called. Apparently that happens when the
orm.collection.bulk_replace function uses sets to find the difference
between the old and the new collection. I don't see an straightforward fix
for that, it feels more like a limitation of the current implementation
than a bug.
It looks like I could do what I want with a custom collection and the
collection.converter decorator. Any other ideas?
Thanks.
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