Test that Hatch environments are discovered and activated

[flying-sheep]

Refs: #22810

• macOS @Tyriar
• windows @karthiknadig
• linux @connor4312

Complexity: 4

Authors: @flying-sheep, @karrtikr

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1. Install Hatch

   • using the GUI installers on macOS or windows

   • using your system package manager on Arch Linux or Fedora

   • using pipx install Hatch on other Linux distributions. Please make sure you set your PATH correctly in this case.

     Setting PATH on Linux

     If you cannot install Hatch system-wide, you might need to add $HOME/.local/bin to your PATH environment variable for your graphical session, not just your terminal. Check like this:

     $ pgrep bin/code  # or some other graphical application
     1234
     $ cat /proc/1234/environ | tr '\0' '\n' | grep -E '^PATH='
     PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

     If the the directory is not in there, you need to add it in your session startup script, in a way that depends on your desktop environment:

     • KDE Plasma
     • GNOME
2. In an empty VS Code project, add two files:
   1. testproj.py containing

      import session_info
      
      session_info.show()

   2. … and a pyproject.toml specifying dependencies:

      [project]
      name = "testproj"
      version = "0.1.0"
      dependencies = ["session-info"]
      
      [build-system]
      requires = ["hatchling"]
      build-backend = "hatchling.build"

3. Make Hatch install the project and its dependencies to an environment using hatch run ..., e.g. hatch run python -V (there is no configuration necessary for Hatch to work in a simple case like this)
4. Select the testproj as an interpreter using Python: Select Interpreter command
   
5. Run it using the play icon on top right
   
6. The file is successfully run and prints the session info:
   
7. Open a new terminal: If you have the python.terminal.activateEnvironment setting set to true, the environment should be activated:
   Run pip -V and compare if the path starts with the path displayed by hatch env find (pip’s contains an additional lib/pythonX.YZ/site-packages/pip)

[karthiknadig]

@ofek @flying-sheep You might need to report the MSI as safe:

Another issue is that the publisher on the MSI is unknown, it is getting blocked by defender. You might need a code signing certificate for this.