42 lines
1.4 KiB
EmacsLisp
42 lines
1.4 KiB
EmacsLisp
;;==============================================================================
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;; Python
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;;==============================================================================
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(defcustom python-interpreter nil
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"Python interpreter. If value is nil, the shabang will be
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checked, and if no shabang is present, `python' will be used."
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:safe 'stringp)
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(defun python-version ()
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"Returns whether we're running Python 2 or 3 according to the
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shebang. System `python' is assumed by default."
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(let ((firstline (car (split-string (buffer-string) "\n" t))))
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(if (not (string-match "^#!" firstline))
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"python"
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(cond
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((string-match "python2" firstline) "python2")
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((string-match "python3" firstline) "python3")
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(t "python")))))
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(defun python-set-interpreter ()
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"Use compile to run python programs."
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(interactive)
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(hack-local-variables)
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(let ((py-interpreter
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(if python-interpreter
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python-interpreter
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(python-version))))
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(set (make-local-variable 'compile-command)
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(concat py-interpreter " " buffer-file-name))))
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(add-hook
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'python-mode-hook
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(lambda ()
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(set (make-local-variable 'compilation-scroll-output) t)
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(python-set-interpreter)))
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;; Doc lookup. Requires the python.info file to be installed. See
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;; https://bitbucket.org/jonwaltman/pydoc-info/.
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(add-to-list 'load-path "~/path/to/pydoc-info")
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(require 'pydoc-info nil t)
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