Improve the eglot configuration according to the updated README.md
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Gerard Vermeulen
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README.org
81
README.org
@ -3874,47 +3874,64 @@ and listing [[lst:setting-python-shell-virtualenv-root]] to set
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:CUSTOM_ID: sec:eglot-python
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:END:
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Listing [[lst:configure-eglot+python-lsp-server-for-python]] configures [[https://github.com/joaotavora/eglot][eglot]] for
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[[https://www.python.org][Python]] using the [[https://github.com/python-lsp/python-lsp-server][python-lsp-server]]. In order to enable all builtin
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Listing [[lst:configure-eglot+pylsp-with-pyls-flake8]] configures [[https://github.com/joaotavora/eglot][eglot]] for [[https://www.python.org][Python]]
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using the [[https://github.com/python-lsp/python-lsp-server][python-lsp-server]] with the [[https://github.com/emanspeaks/pyls-flake8#readme][pyls-flake8]] plugin for the easiest way to
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let [[https://github.com/python-lsp/python-lsp-server][python-lsp-server]] use [[https://github.com/PyCQA/flake8][flake8]]. In order to enable all builtin
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[[https://github.com/python-lsp/python-lsp-server][python-lsp-server]] capabilities, ensure installation of the Python packages
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[[https://github.com/hhatto/autopep8#readme][autopep8]], [[https://github.com/PyCQA/flake8][flake8]], [[https://github.com/PyCQA/pydocstyle#readme][pydocstyle]], [[https://github.com/PyCQA/pylint#readme][pylint]], [[https://github.com/python-lsp/python-lsp-server][python-lsp-server]], [[https://github.com/python-rope/rope#readme][rope]], and [[https://github.com/google/yapf#readme][yapf]]. In
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addition, install the [[https://github.com/emanspeaks/pyls-flake8#readme][pyls-flake8]] plugin to let [[https://github.com/python-lsp/python-lsp-server][python-lsp-server]] use [[https://github.com/PyCQA/flake8][flake8]].
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The latest [[https://github.com/python-lsp/python-lsp-server#readme][python-lsp-server]] documentation tells to let it use [[https://github.com/PyCQA/flake8][flake8]] as in
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[[lst:broken-configure-eglot+python-lsp-server-for-python]], but it does not work.
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[[https://github.com/hhatto/autopep8#readme][autopep8]], [[https://github.com/PyCQA/flake8][flake8]], [[https://github.com/PyCQA/pydocstyle#readme][pydocstyle]], [[https://github.com/PyCQA/pylint#readme][pylint]], [[https://github.com/python-lsp/python-lsp-server][python-lsp-server]], [[https://github.com/python-rope/rope#readme][rope]], and [[https://github.com/google/yapf#readme][yapf]]. The
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latest [[https://github.com/python-lsp/python-lsp-server#readme][python-lsp-server]] documentation tells to configure it for [[https://github.com/PyCQA/flake8][flake8]] as in
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listing [[lst:configure-eglot+pylsp-sans-pyls-flake8]]. This method is under
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investigation (it feels flaky since it shows some error messages twice).
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Listing [[lst:eglot-directory-variables-for-python]] shows a proper [[info:emacs#Directory Variables][.dir-locals.el]]
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file in the root directory of any [[https://www.python.org][Python]] project to start [[https://github.com/joaotavora/eglot][eglot]] automatically
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according to the configuration in listing [[lst:eglot-maybe-ensure]].
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according to the configuration in listing [[lst:eglot-maybe-ensure]]. Type
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{{{kbd(M-x eglot-show-workspace-configuration)}}} to dump a =JSON=
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representation of src_emacs-lisp{eglot-workspace-configuration} for debugging.
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The comment in listing [[lst:ensure-eglot-installation]] also shows how to increase
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the the verbosity of [[https://github.com/python-lsp/python-lsp-server][python-lsp-server]] log output for debugging.
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#+caption[Configure =eglot= with =python-lsp-server= for Python]:
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#+caption: Configure =eglot= with =python-lsp-server= for Python.
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#+name: lst:configure-eglot+python-lsp-server-for-python
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#+caption[Configure =eglot= with =python-lsp-server= with =pyls_flake8=]:
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#+caption: Configure =eglot= with =python-lsp-server= with =pyls_flake8=.
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#+name: lst:configure-eglot+pylsp-with-pyls-flake8
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#+begin_src emacs-lisp
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(with-eval-after-load 'eglot
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(setq-default
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eglot-workspace-configuration
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'(;; Disable the `:pyls_flake8' plugin to fall back to pycodestyle.
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(:pylsp . (:plugins (:pyls_flake8 (:enabled t))))
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(:pylsp . (:plugins (:jedi (:auto_import_modules ["numpy"]))))
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(:pylsp . (:plugins (:jedi_completion (:cache_for ["astropy"])))))))
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;; Disable the `:pyls_flake8' plugin to fall back to pycodestyle.
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`((:pylsp . (:plugins
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(:pyls_flake8
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(:enabled t)
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:jedi
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(:auto_import_modules ["numpy"])
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:jedi_completion
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(:cache_for ["astropy"])))))))
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#+end_src
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#+caption[Broken configure =eglot= with =python-lsp-server= for Python]:
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#+caption: Broken configure =eglot= with =python-lsp-server= for Python.
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#+name: lst:broken-configure-eglot+python-lsp-server-for-python
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#+caption[Configure =eglot= with =python-lsp-server= sans =pyls_flake8=]:
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#+caption: Configure =eglot= with =python-lsp-server= sans =pyls_flake8=.
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#+name: lst:configure-eglot+pylsp-sans-pyls-flake8
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#+begin_src emacs-lisp :tangle no
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(with-eval-after-load 'eglot
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(setq-default
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eglot-workspace-configuration
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'(;; To use flake8 instead of pycodestyle, see:
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'(;; How to use flake8 instead of pycodestyle officially, see:
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;; https://github.com/python-lsp/python-lsp-server#configuration
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(:pylsp . (:configurationSources ["flake8"]))
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(:pylsp . (:plugins (:pycodestyle (:enabled :json-false))))
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(:pylsp . (:plugins (:mccabe (:enabled :json-false))))
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(:pylsp . (:plugins (:pyflakes (:enabled :json-false))))
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(:pylsp . (:plugins (:flake8 (:enabled t))))
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(:pylsp . (:plugins (:jedi (:auto_import_modules ["numpy"]))))
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(:pylsp . (:plugins (:jedi_completion (:cache_for ["astropy"])))))))
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(:pylsp . (:configurationSources
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["flake8"]
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:plugins
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(:pycodestyle
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(:enabled :json-false)
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:mccabe
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(:enabled :json-false)
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:pyflakes
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(:enabled
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:json-false)
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:flake8
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(:enabled t)
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:jedi
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(:auto_import_modules ["numpy"])
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:jedi_completion
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(:cache_for ["astropy"])))))))
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#+end_src
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#+caption[Propose =directory-variables= to launch =eglot=]:
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@ -3925,10 +3942,14 @@ according to the configuration in listing [[lst:eglot-maybe-ensure]].
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;; Proposal for a .dir-locals.el file in the root of any Python project.
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((python-mode
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. ((eglot-workspace-configuration
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. (;; Disable the `:pyls_flake8' plugin to fall back to pycodestyle.
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(:pylsp . (:plugins (:pyls_flake8 (:enabled t))))
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(:pylsp . (:plugins (:jedi (:auto_import_modules ["numpy"]))))
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(:pylsp . (:plugins (:jedi_completion (:cache_for ["astropy"])))))))))
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;; Disable the `:pyls_flake8' plugin to fall back to pycodestyle.
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. ((:pylsp . (:plugins
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(:pyls_flake8
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(:enabled t)
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:jedi
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(:auto_import_modules ["numpy"])
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:jedi_completion
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(:cache_for ["astropy"])))))))))
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#+end_src
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#+attr_latex: :booktabs yes :float table
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