Mu should support Circup for package management in CircuitPython Mode

[ntoll]

Circup is a pip like tool for managing packages on CircuitPython devices. @makermelissa suggested that Mu expose some of Circup's core features since it's a friendly thing to do.

Things circup can do (from the command help):

$ circup
Usage: circup [OPTIONS] COMMAND [ARGS]...

  A tool to manage and update libraries on a CircuitPython device.

Options:
  --verbose         Comprehensive logging is sent to stdout.
  --version         Show the version and exit.
  --path DIRECTORY  Path to CircuitPython directory. Overrides automatic
                    path detection.
  --help            Show this message and exit.
  -r --requirement  Supports requirements.txt tracking of library
                    requirements with freeze and install commands.

Commands:
  freeze        Output details of all the modules found on the connected...
  install       Install a named module(s) onto the device.
  list          Lists all out of date modules found on the connected...
  show          Show the long list of all available modules in the bundle.
  show <query>  Search the names in the modules in the bundle for a match.
  uninstall     Uninstall a named module(s) from the connected device.
  update        Update modules on the device. Use --all to automatically update
                all modules.

At the very least I think Mu should be able to:

• List modules on the connected device (and mark those which are out of date, along with an update feature). Users should also have an "uninstall" feature too.
• Show all modules currently available in the library bundle and allow users to select those they want to install.
• Find modules given a search string, displaying their current status on the device and/or availability in the bundle (with options to install/update/uninstall).

Something for the admin pane when in CircuitPython mode..?

cc/ @tannewt @kattni @DaveSprague @carlosperate @fmorton

[carlosperate]

Sounds great!

The ESP mode has a flasher in the settings which could be a good starting point for how this feature might look like:

Find modules given a search string, displaying their current status on the device and/or availability in the bundle (with options to install/update/uninstall).

With the aim to simplify things, is this feature really needed?
If the user can see what they have installed (and updated the packages/modules) and there is also a dropdown with all the modules they can install, what can they do with this search that they cannot do already?

[dybber]

There's also work done towards a package installer for MicroPython, as MicroPython uses pip to manage packages it's very similar to the "Third Party Packages"-tab in Python-mode. See the Work-in-progress here: #1053

[carlosperate]

How does circup find the modules btw? Is there an API endpoint? Or does it download a zip file with all of them?
If it downloads a zip file somewhere, is this something we want to bundle with Mu? (Maybe not as it will get staled quickly?)

[ntoll]

It downloads details from a known location.

[carlosperate]

But is it details about the packages (just metadata to do queries), or does it downaload a zipped bundle with all the packages in it (and then reads the data from those)?

[tannewt]

It downloads a zip from here: https://github.com/adafruit/Adafruit_CircuitPython_Bundle/releases/tag/20210227n