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I’m using a Python service that uses pickled messages as part of its protocol. I’d like to query this service from Java, but to do so, I need to pickle my message on the client (Java). Are there any implementations of pickle that run on the JVM (ideally with minimal dependencies)?
Clarification: Modifying the server side is not an option, so while alternate serializations would be convenient, they won’t solve the problem here.
Some additional investigation yielded pyrolite, an MIT-licensed library that allows Java and .NET programs to interface with the Python world. In addition to remote object functionality, it (more importantly) includes a
pickleserializer and de-serializer.