conda environments requiring admin rights cause 100 percent CPU usage on Win

[melund]

Environment data

• VS Code version: 1.41.1
• Extension version: 2020.1.57204
• OS and version: Windows_NT x64 10.0.19041
• Python version (& distribution if applicable, e.g. Anaconda): 3.7 Anaconda
• Type of virtual environment used: conda

Expected behaviour

VS code should start up fast and detect conda environments on the machine.

Actual behaviour

Some python processes uses 100 % CPU and hangs when VS code starts.

The hanging processes are using conda run to query conda environments info using ms-python.python-2020.1.57204\pythonFiles\interpreterInfo.py.

This process hangs if the conda-environments are in locations which require admin rights.

The problem is caused by a bug conda-run conda/conda#9574 which creates temporary files directly in the environments instead of the tempfile folders. This again triggers a long standing Python bug in the tempfile module.

Steps to reproduce:

1. Create an environment
2. Move a environment to a place requiring admin rights E.g. "c:/conda-env"
3. Start VS code and wait for Python extension to query the environment with conda run

[uzhao]

Same problem on Ubuntu. No response with conda run

[melund]

Ok. There could be similar problems with linux since "conda run" choses to put its temp files directly in the prefix of the installation.

But it wouldn't cause the 100% CPU issue. That is a Windows python bug.

[karthiknadig]

Issue #9490 should address that since it removes conda run usage, for now.

[melund]

Great. Thanks for the good work.