Do not sort keys of serialised dicts

[stucork]

Here’s a workaround you can employ if you need to guaranteed dictionary order between server and client.

The order of keys in a dictionary returned from a server function is changing mysteriously

Dictionaries are ordered on both the client and the server but it looks like passing the dictionary from client to server does not guarantee order. Since portable_classes you can come up with your own serialization and keep the order. import anvil.server @anvil.server.portable_class class odict(dict): def __serialize__(self, global_data): return list(self.items()) def __deserialize__(self, data, global_data): self.__init__(data) Here’s proof of concept https://anvil.…