Pickle (python stream) and free pascal
lazarus / 62-General

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BlueIcaro · 2020-11-17 11:40

Hello, I'm working on program which receives and sends info using Zmq
https://zeromq.org/. No problem in this point.
But the program receives the information from a python program, the
python program stream the info  the info using Pickle
Code: [Select]#Python code
 msg = pickle.dumps(obj, protocol)

Is there any way to manage this data format in pascal?

Thanks in advance

/BlueIcaro

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marcov · 2020-11-17 11:50

Pickle seems to be a Python specific object format.
https://docs.python.org/3/library/pickle.html

https://wiki.python.org/moin/IntegratingPythonWithOtherLanguages seem
to only mention one foreign binding (based on a generator, maybe not
practical?) for C++

A workaround could be embedding python 4 delphi, and loading it in the
embedded python interpreter, and then trying to marshal it via
python4delphi.

But in general, I it would make sense to rewrite python to use a
better supported fileformat

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BlueIcaro · 2020-11-17 12:09

Thanks Marcov, I think is more sense use a standard format, as you
said.

So, we'll use json structure to communique as thought in my first
approach to the problem. But I was wondering if it could be used.

It will be one less headache.

Thanks

/BlueIcaro