Support for Python 3.13's GIL-Free Mode

[gitctrlx]

Hello TA-Lib maintainers,

With the upcoming release of Python 3.13, there is an experimental feature allowing Python to run without the Global Interpreter Lock (GIL). This feature is described in PEP 703, which introduces the "free-threaded" mode for CPython.

You can find more details about this feature in the Free-threaded CPython documentation.

Since TA-Lib is a widely used library for technical analysis, especially in multithreaded environments, it would be beneficial to ensure compatibility with Python's GIL-free mode. This will allow users to fully utilize multi-core processors for parallel processing without the limitations of GIL.

Would it be possible to test and, if necessary, update TA-Lib to support this new mode? Your attention to this matter would be greatly appreciated by the community.

Thank you for your continuous support and development of TA-Lib!

[gitctrlx]

[mrjbq7]

I don't know who maintains the conda-forge package. I'd be happy to do so, if someone wants to work with me to transfer that... two things stick out:

1. ta-lib-0-4.19 is old (tagged in September 2020, almost 4 years ago)
2. ta-lib works fine with python 3.13 (https://github.com/TA-Lib/ta-lib-python/actions/runs/10589287581/job/29343164656)

[mrjbq7]

Regarding no-gil, we will have to see what that means for thread-safety. At the very least there are global settings that the C functions use.

[gitctrlx]

I don't know who maintains the conda-forge package. I'd be happy to do so, if someone wants to work with me to transfer that... two things stick out:

1. ta-lib-0-4.19 is old (tagged in September 2020, almost 4 years ago)
2. ta-lib works fine with python 3.13 (https://github.com/TA-Lib/ta-lib-python/actions/runs/10589287581/job/29343164656)

I wanted to provide an update regarding the installation of TA-Lib with Python 3.13. I encountered errors when trying to install TA-Lib using the GIL-free version of Python 3.13 (python3.13t.exe). However, the installation works correctly with the standard version of Python 3.13 (python.exe). Both versions were installed using the Windows installer from the official Python website. Here is the link to the release: Python 3.13.0 Release.

This suggests that there may be compatibility issues specifically with the no-GIL mode. Your attention to this matter would be appreciated.