How to Set Up a Python Language Server?

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To set up a Python language server, you can use the python-language-server package. Here are the steps to follow:

  1. Install the python-language-server package by running the following command: pip install python-language-server
  2. Open your Python editor of choice and configure it to use the language server. Here are the instructions for a few popular editors:
  • Visual Studio Code: Install the Python extension by Microsoft and make sure it is enabled. This extension comes with the python-language-server pre-installed, so you don’t need to do anything else.
  • PyCharm: Open the Settings/Preferences dialog and navigate to Language & Frameworks > Python Integrated Tools. Under Code Assistance, select Use the language server and choose the python-language-server from the dropdown menu.
  • Sublime Text: Install the LSP package from Package Control. Then, open the Command Palette and run the LSP: Enable Language Server Globally command. Choose python-language-server from the list of available servers.
  • Atom: Install the ide-python package and make sure it is enabled. This package uses the python-language-server by default, so you don’t need to do anything else.
  1. Once you have configured your editor to use the language server, it should automatically provide you with code completion, diagnostics, and other features.

Note that the python-language-server is a powerful tool that can significantly improve your Python development experience. However, it may take some time to set up and configure correctly. Make sure to test your setup thoroughly to ensure that it is working as expected.

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