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How do I get blenders temp folder via python (bpy).

I want to store temporary cache files while running Blender and when closing Blender I want them to be removed on exit.

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Python's tempfile module.

First of all, Python has its own tempfile module, which is quite comprehensive and can likely do what you need
(handles creating, temp files, directories and optionally - cleaning up when you're done).

Blender's User Preference

If you want to access the temp user preference, you can do so via.
bpy.context.user_preferences.filepaths.temporary_directory
... which is initialized based on environment variables (See Environment Variables in the manual).

Blender's 'session' Temp Directory

However Blender crease a sub-directory within the temp directory, for each session, which is cleared on exit (even in the case of a crash).

And this is accessed via bpy.app.tempdir, in the case you describe, this sounds like it may be a good option.


Note that it may work well to use the tempfile module, even if you access Blender's temp directory using Blender's API.

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