Emacs：在缓冲区评估期间将参数传递给劣质的Python shell [英] Emacs: pass arguments to inferior Python shell during buffer evaluation

问题描述

最近我开始使用Emacs作为一个Python IDE，它不是很直观...现在我正在努力的问题是当使用C-c C-c评估缓冲区时，如何将命令行参数传递给下面的python shell。感谢您的帮助。

解决方案

这似乎并不容易;由 python.el 模块管理的劣质进程旨在持续存在 python-send-buffer （和朋友）。我找到的一个解决方案是编写自己的功能，可以从下面的过程中以程序方式设置 sys.argv ：

< pre $（$（$）$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ （current-buffer））
（with-temp-buffer
（insertimport sys; sys.argv ='''args'''.split（）\\\
）
（insert-buffer-substring source-buffer）
（python-send-buffer））））

在您的 * scratch * 缓冲区中执行此功能，并将其保存在您的 .emacs 文件，然后，如果你想，绑定到一个方便的键序列。 Cc Ca 似乎不被 python-mode 使用，所以也许：

 （全局设置键\Cc\Ca'python-send-buffer-with-my-args）
  

该命令将提示您使用参数，然后将源缓冲区复制到临时缓冲区，并使用代码片段将 sys.argv 设置为您提供的参数列表，最后将调用 python-send-buffer 。 p>



上面的代码将天真地分割你在空格上键入的字符串，所以如果你需要提供有空格的参数，你需要一个更复杂的算法。 / p>


recently I started using Emacs as a Python IDE, and it not quite intuitive... The problem I am struggling with right now is how to pass command line arguments to the inferior python shell when the buffer is evaluated with C-c C-c. Thanks for help.

解决方案

This doesn't appear to be easily possible; the inferior process managed by the python.el module is designed to persist across many invocations of python-send-buffer (and friends). One solution I've found is to write your own function that sets sys.argv programmatically from within the inferior process:

(defun python-send-buffer-with-my-args (args)
  (interactive "sPython arguments: ")
  (let ((source-buffer (current-buffer)))
    (with-temp-buffer
      (insert "import sys; sys.argv = '''" args "'''.split()\n")
      (insert-buffer-substring source-buffer)
      (python-send-buffer))))

Execute this function in your *scratch* buffer and/or save it in your .emacs file, then, if you want, bind it to a convenient key sequence. C-c C-a doesn't seem to be used by python-mode, so perhaps:

(global-set-key "\C-c\C-a" 'python-send-buffer-with-my-args)

The command will prompt you for arguments to use, then copy your source buffer into a temporary buffer, prepending it with a code snippet that sets sys.argv to the list of arguments you supplied, and finally will call python-send-buffer.

The above code will just naively split the string you type on whitespace, so if you need to supply arguments that have whitespace in them, you'll need a more sophisticated algorithm.

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