func pack --build-native-deps fails for Python 3.13+ when running on Windows #4740
Description
Version
4.4.0+
Description
Running func pack --build-native-deps for Python 3.13+ on a Windows machine throws an error saying that:
The directory name is invalid. : 'C:\Users\victoriahall\AppData\Local\Temp\azure-functions\python:4-python3.13-buildenv-docker'
I also tested with CT version 4.5.0 and got the same error. This only seems to happen with Windows - Mac seems to work as expected.
Full output:
(.venv313) PS C:\Users\victoriahall\Documents\repos\sdk-servicebus> func pack --build-native-deps
'local.settings.json' found in root directory (C:\Users\victoriahall\Documents\repos\sdk-servicebus).
Resolving worker runtime to 'python'.
'local.settings.json' found in root directory (C:\Users\victoriahall\Documents\repos\sdk-servicebus).
Resolving worker runtime to 'python'.
Validating project...
Validate host.json: PASSED
Validate Flag Compatibility: PASSED
Validate Folder Structure: PASSED
Validation .python_packages directory exists: WARNING
Directory '.python_packages' not found or is empty.
Validate Python Programming Model: PASSED
The directory name is invalid. : 'C:\Users\victoriahall\AppData\Local\Temp\azure-functions\python:4-python3.13-buildenv-docker'
(.venv313) PS C:\Users\victoriahall\Documents\repos\sdk-servicebus> func --version
4.4.0
Steps to reproduce
- On a Windows machine, download Python 3.13 & create a 3.13 environment
- Start Docker
- Run
func pack --build-native-depsin the terminal