How can I use Emacs Flymake mode for python with pyflakes and pylint checking code?

问题

For checking code in python mode I use flymake with pyflakes

Also I want check code style (pep8) with pylint (description on the same page with pyflakes)

This solutions work. But I can't configure flymake for work with pyflakes and pylint together. How can I do it?

回答1:

Well, flymake is just looking for a executable command thats output lines in a predefined format. You can make a shell script for example that will call successively all the checkers you want...

You must also make sure that your script ends by returning errorlevel 0. So this is an example:

This is what I've done in a "pycheckers" script:

#!/bin/bash

epylint "$1" 2>/dev/null
pyflakes "$1"
pep8 --ignore=E221,E701,E202 --repeat "$1"
true

For the emacs lisp part:

(when (load "flymake" t)
  (defun flymake-pyflakes-init ()
    (let* ((temp-file (flymake-init-create-temp-buffer-copy
                       'flymake-create-temp-inplace))
           (local-file (file-relative-name
                        temp-file
                        (file-name-directory buffer-file-name))))
      (list "pycheckers"  (list local-file))))
  (add-to-list 'flymake-allowed-file-name-masks
               '("\\.py\\'" flymake-pyflakes-init)))

回答2:

Usually one can enable flymake mode in the python-mode-hook. Unfortunately that causes issues with things like py-execute-buffer which create temporary buffers which invoke the hook and then cause flymake mode to hiccup because of the lack of "real file". The solution is to modify the conditions where you add the hook:- e.g mine is:

(add-hook 'python-mode-hook 
      (lambda () 
        (unless (eq buffer-file-name nil) (flymake-mode 1)) ;dont invoke flymake on temporary buffers for the interpreter
        (local-set-key [f2] 'flymake-goto-prev-error)
        (local-set-key [f3] 'flymake-goto-next-error)
        ))

回答3:

You may want to check out the Lisp script here (http://charlie137-2.blogspot.com/2009/08/check-python-coding-style-on-fly-with.html), which should help with checking PEP8 a la pep8.py. I don't use pyflakes or pylint, but I imagine you could easily adjust this to work with other checkers.

回答4:

Windows batch version of vaab's pychechker

@echo on
pylint %1
pep8 --ignore=E221,E701,E202 --repeat %1
pyflakes %1

来源：https://stackoverflow.com/questions/1259873/how-can-i-use-emacs-flymake-mode-for-python-with-pyflakes-and-pylint-checking-co

标签

python

emacs

pylint

pep8

pyflakes