姜戈 + Emacs（作为 TextMate 的替代品）

发布于 2024-08-02 07:23:16 字数 170 浏览 7 评论 0原文

有没有完整的教程如何配置 emacs 以与 Django (1.1)（在 Mac 上）一起使用？我正在考虑从 TextMate 切换到 Emacs，以便为 django 提供多平台编辑器。我有我的最爱。来自 textmate 的主题，我想将其转换为 emacs（也许是“转换器”？）。从 Textmate 切换是个好主意吗？

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故人爱我别走 2024-08-09 07:23:16

我赞同 @docgnome 对 Django 模式和 yasnippet，但真正让您再也不想回到 TextMate 的关键是集成 PyFlakes 到您的开发环境中，此时 Emacs 将为您提供有关 Python 代码中错误的即时通知。这些远远超出了仅通过语法突出显示即可免费获得的拼写错误级别的错误检测；您将收到错误通知，例如赋值前的变量、未使用的导入以及错误的缩进等。

在 Emacs 中安装 PyFlakes 相对简单：只需下载并安装 PyFlakes，然后将以下内容添加到您的~/.emacs 或 ~/.emacs.d/init.el（视情况而定）：

(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 "pyflakes" (list local-file)))) 
  (add-to-list 'flymake-allowed-file-name-masks 
               '("\\.py\\'" flymake-pyflakes-init)))
(add-hook 'python-mode-hook 'flymake-mode)

就是这样。您现在应该注意到，每当您编辑 Python 时，错误都会以红色突出显示。将鼠标悬停在上面即可查看所提供行的问题的完整说明。

至于像 TextMate 这样的主题：主题可能有点烦人的 Emacs；除非你真的想要 TextMate 中的主题，否则我会选择 Emacs 的 Color Theme并找到一款适合您的喜好。您几乎肯定可以找到一款与您当前的 TextMate 非常接近的一款，并且无需手动配置面孔。

I second @docgnome's suggestion of Django mode and yasnippet, but the real kicker that will make you never want to go back to TextMate is to integrate PyFlakes into your development environment, at which point Emacs will provide you on-the-fly notification of errors in your Python code. These go far beyond the typo-level error detection you get for free merely by having syntax highlighting; you'll be notified of errors such as variable before assignment, unused imports, and bad indentation, among other things.

Installing PyFlakes in Emacs is relatively straightforward: just download and install PyFlakes, and then add the following to your ~/.emacs or ~/.emacs.d/init.el, as appropriate:

(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 "pyflakes" (list local-file)))) 
  (add-to-list 'flymake-allowed-file-name-masks 
               '("\\.py\\'" flymake-pyflakes-init)))
(add-hook 'python-mode-hook 'flymake-mode)

That's it. You should now notice that, whenever you're editing Python, errors are highlighted in red. Mouse over to see a full explanation of what's wrong with the provided line.

As far as theming like TextMate: theming can be a bit annoying Emacs; unless you truly want the exact theme you have in TextMate, I'd grab Color Theme for Emacs and find one that suits your fancy. You can almost certainly find one very close to your current TextMate one, and won't have to deal with manually configuring faces.

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