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Does Python coverage require a Vim with Python support? #47

Open jwodder opened 3 years ago

jwodder commented 3 years ago

I'm having trouble getting this plugin to work with a Python project on my MacBook, and I'm wondering if it may be due to it requiring a version of Vim that was built with Python support, which the pre-supplied Vim on macOS lacks. Is this the case? The documentation doesn't mention that. If it is the case, would it be reasonable to add support for non-integrated Pythons?

dbarnett commented 3 years ago

Short answer: yes, it does depend on the vim python interface. It's a little strange that it'd be that out-of-the-way to have vim installed with python support on macOS, especially for folks working with python developer tools.

In theory it would be possible to set up a little standalone python script as an alternative to load coverage files and spit out a JSON structure or something to feed to vim, but that raises another layer of compatibility concerns finding the right installed python to invoke that'll have the right version of coverage.py installed to read the given coverage data files.

On a somewhat related note, there was some discussion in https://github.com/google/vim-maktaba/issues/249 about detecting and using poetry or pipenv settings from project directories, that might be something to keep in mind if anyone is fiddling with the current mechanism of launching via maktaba#python#Eval.