Python 환경설정
Posted on Thursday, November 4, 2021.
Posted on Thursday, November 4, 2021.
- conda를 설치한다
- conda venv 셋업
$ conda create -n venv_name
$ conda activate venv_name
- pip 설치 후 패키지 인스톨
(exp) $ conda install -c conda-forge pip
(exp) $ pip install package_name
(exp) $ python --version Python 3.10.0
개발에는 파이참이나 이맥스를 이용한다.
이맥스 환경 설정을 정리해 보면:
(exp) $ emacs --version
GNU Emacs 26.3
(exp) $ cat >> .emacs
(package-initialize)
(require 'package)
(add-to-list 'package-archives
'("melpa" . "https://melpa.org/packages/") t)
^D
이후 emacs 실행후에 다음과 같이 use-package를 설치한다.
M-x package-refresh-contents RET
M-x package-install RET use-package RET
- elpy 설치
(exp) $ cat >> .emacs
(require 'use-package)
;; elpy
(use-package elpy
:ensure t
:config
(advice-add 'python-mode :before 'elpy-enable))
;; use flycheck instead of flymake
(when (load "flycheck" t t)
(setq elpy-modules (delq 'elpy-module-flymake elpy-modules))
(add-hook 'elpy-mode-hook 'flycheck-mode))
)
;; flycheck
(use-package flycheck
:ensure t
:config
(global-flycheck-mode t)
;; note that these bindings are optional
(global-set-key (kbd "C-c n") 'flycheck-next-error)
;; this might override a default binding for running a python process,
(global-set-key (kbd "C-c p") 'flycheck-previous-error)
)
;; flycheck-pycheckers
(use-package flycheck-pycheckers
:after flycheck
:ensure t
:init
(with-eval-after-load 'flycheck
(add-hook 'flycheck-mode-hook #'flycheck-pycheckers-setup))
(setq flycheck-pycheckers-checkers
'(mypy3 pyflakes))
)
^D
M-x python-mode실행하면 아래와 같이 Elpy가 활성화 됨.
M-x elpy-config로 설정을 확인하고 해당 화면에서flake8을 설치한다.
Elpy Configuration
Emacs.............: 26.3
Elpy..............: 1.35.0
Virtualenv........: None
Interactive Python: python3 3.10.0 (/home/merona/miniconda3/envs/exp/bin/python3)
RPC virtualenv....: rpc-venv (/home/merona/.emacs.d/elpy/rpc-venv)
Python...........: python 3.8.10 (/home/merona/.emacs.d/elpy/rpc-venv/bin/python)
Jedi.............: 0.18.0
Autopep8.........: 1.6.0
Yapf.............: 0.31.0
Black............: 21.10b0
Syntax checker....: Not found (flake8)
뭔가 꼬여서 잘 안되면 M-x elpy-rpc-reinstall-virtualenv 로 가상환경을 다시 셋업한다.