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(require 'yasnippet)
(defvar yas-text)
(defun python-split-args (arg-string)
"Split a python argument string into ((name, default)..) tuples"
(mapcar (lambda (x)
(split-string x "[[:blank:]]*=[[:blank:]]*" t))
(split-string arg-string "[[:blank:]]*,[[:blank:]]*" t)))
(defun python-args-to-docstring ()
"return docstring format for the python arguments in yas-text"
(let* ((indent (concat "\n" (make-string (current-column) 32)))
(args (python-split-args yas-text))
(max-len (if args (apply 'max (mapcar (lambda (x) (length (nth 0 x))) args)) 0))
(formatted-args (mapconcat
(lambda (x)
(concat ":param " (nth 0 x) ":\n:type " (nth 0 x) ": object\n"
(if (nth 1 x) (concat "\(default " (nth 1 x) "\)"))))
args
indent)))
(unless (string= formatted-args "")
(mapconcat 'identity (list "Keyword Arguments:" formatted-args) indent))))
(add-hook 'python-mode-hook
'(lambda () (set (make-local-variable 'yas-indent-line) 'fixed)))
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