Language Server Protocol Server

Goal

Create a python app that takes a code or a python file, creates suggestions, completions, or fetch the definition of the function in question.

Language Server Protocol provides specifications on how to implement a language server to be used for a language.
It means, it provides guidelines on how to request and response, to a langauge server
Provides specific ways on how to formulate the request and response.
To maintain the consistency between all the langauge servers
That can be used in any way or the form possible easily, mostly in a text editor or an IDE.

Language server is the actual server that is implemented according to the specifications mentioned in protocol
It provides the completion, suggestions, and documentations to the client
But still doesn't provides the documentations but it provides the definition path
It can be also integrated with a project's codebase
For python there are two LS that we could use are maintained actively,
- python-lsp-server - It uses jedi under the hood for the completions (cool to know eh!)
- jedi-language-server

The clients can be used to interact with the LS
In our case we have three choices,
- pygls (called pie glass)
- multilspy
- vscode - try to create an extension and figure out how they do the code completion

The go to definition functionality fetches
- the documentations of the packages or
- user defined functions
Can also fetch the declerations of the user defined variables
Can integrate it to find the errors
- types errors
- incorrect usage
- incorrect number of arguments