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You can get the Python Bridge server as part of Saga deliverables which are stored in Artifactory repository here. At the time of writing the latest version of Saga available is 1.3.34. 

Installing Python

(SAGA 1.3.1) The current version of Python Bridge was developed and tested using Python 3.9.5, but any Python 3.9.x version will suffice. At the moment of writing this guide the released version of 3.9 is Python 3.9.5 which you can download from here Python Release Python 3.9.5 | Python.org, please remember to download the 64-bit version of Python, some libraries are no compatible with the 32-bit version and will not work.

(SAGA 1.3.3) The python version has been updated to 3.11.4 which you can download from here Python 3.11.4, download the 64-bit version.

(SAGA 1.3.4) The python version has been updated to 3.11.9 which you can download from here Python 3.11.9, download the 64-bit version.

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Where [all] is the name of the optional dependencies to install. They need to be added to the correct section on the pyproject file.

If you do not kwno know how to do this, here is a page with all you need to know about the pyproject file and its optional dependencies.

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