146 lines
5.8 KiB
EmacsLisp
146 lines
5.8 KiB
EmacsLisp
;;; ein-pytools.el --- Python tools build on top of kernel
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;; Copyright (C) 2012- Takafumi Arakaki
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;; Author: Takafumi Arakaki <aka.tkf at gmail.com>
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;; This file is NOT part of GNU Emacs.
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;; ein-pytools.el is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; ein-pytools.el is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with ein-pytools.el. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;;; Code:
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(require 'ein-kernel)
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(require 'ein-notebook)
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(defun ein:goto-file (filename lineno &optional other-window)
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"Jump to file FILEAME at line LINENO.
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If OTHER-WINDOW is non-`nil', open the file in the other window."
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(funcall (if other-window #'find-file-other-window #'find-file) filename)
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(goto-char (point-min))
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(forward-line (1- lineno)))
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(defun ein:goto-marker (marker &optional other-window)
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(funcall (if other-window #'pop-to-buffer #'switch-to-buffer)
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(marker-buffer marker))
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(goto-char marker))
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(defcustom ein:propagate-connect t
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"Set to `t' to connect to the notebook after jumping to a buffer."
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:type '(choice (const :tag "Yes" t)
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(const :tag "No" nil))
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:group 'ein)
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(defun ein:pytools-request-help (kernel func)
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(interactive (list (ein:get-kernel-or-error)
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(ein:object-at-point-or-error)))
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(ein:kernel-execute kernel
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(format "%s?" func) ; = code
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nil ; = callbacks
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;; It looks like that magic command does
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;; not work in silent mode.
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:silent nil))
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(defvar ein:pytools-jump-stack nil)
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(defvar ein:pytools-jump-to-source-not-found-regexp
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(ein:join-str "\\|"
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(list "^WARNING: .*"
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"^Traceback (most recent call last):\n"
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"^.*<ipython-input-[^>\n]+>\n"
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"^\n")))
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(defun ein:pytools-jump-to-source-1 (packed msg-type content -metadata-not-used-)
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(ein:log 'debug "msg-type[[%s]] content[[%s]]" msg-type content)
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(destructuring-bind (kernel object other-window notebook) packed
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(ein:log 'debug "object[[%s]] other-window[[%s]]" object other-window)
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(ein:case-equal msg-type
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(("stream" "display_data")
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(aif (or (plist-get content :text) (plist-get (plist-get content :data) :text/plain))
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(if (string-match ein:pytools-jump-to-source-not-found-regexp it)
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(ein:log 'info
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"Jumping to the source of %s...Not found" object)
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(destructuring-bind (filename &optional lineno &rest ignore)
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(split-string it "\n")
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(setq lineno (string-to-number lineno)
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filename (ein:kernel-filename-from-python kernel filename))
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(ein:log 'debug "filename[[%s]] lineno[[%s]] ignore[[%s]]"
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filename lineno ignore)
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(unless (file-exists-p filename)
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(ein:log 'info
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"Jumping to the source of %s...Not found" object))))))
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(("pyerr" "error")
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(ein:log 'info "Jumping to the source of %s...Not found" object)))))
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(defun ein:pytools-jump-to-source (kernel object &optional
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other-window notebook)
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(ein:log 'info "Jumping to the source of %s..." object)
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(let ((last (car ein:pytools-jump-stack)))
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(if (ein:aand last (eql (current-buffer) (marker-buffer it)))
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(unless (equal (point) (marker-position last))
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(push (point-marker) ein:pytools-jump-stack))
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(setq ein:pytools-jump-stack (list (point-marker)))))
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(ein:kernel-execute
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kernel
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(format "__ein_find_source('%s')" object)
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(list
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:output
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(cons
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#'ein:pytools-jump-to-source-1
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(list kernel object other-window notebook)))))
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(defun ein:pytools-jump-to-source-command (&optional other-window)
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"Jump to the source code of the object at point.
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When the prefix argument ``C-u`` is given, open the source code
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in the other window. You can explicitly specify the object by
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selecting it."
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(interactive "P")
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(if poly-ein-mode
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(cl-letf (((symbol-function 'xref--prompt-p) #'ignore))
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(if other-window
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(call-interactively #'xref-find-definitions-other-window)
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(call-interactively #'xref-find-definitions)))
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(let ((kernel (ein:get-kernel))
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(object (ein:object-at-point)))
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(assert (ein:kernel-live-p kernel) nil "Kernel is not ready.")
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(assert object nil "Object at point not found.")
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(ein:pytools-jump-to-source kernel object other-window
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(when ein:propagate-connect
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(ein:get-notebook))))))
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(defun ein:pytools-jump-back-command (&optional other-window)
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"Go back to the point where `ein:pytools-jump-to-source-command'
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is executed last time. When the prefix argument ``C-u`` is
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given, open the last point in the other window."
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(interactive "P")
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(if poly-ein-mode
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(call-interactively #'xref-pop-marker-stack)
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(when (ein:aand (car ein:pytools-jump-stack)
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(equal (point) (marker-position it)))
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(setq ein:pytools-jump-stack (cdr ein:pytools-jump-stack)))
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(aif (car ein:pytools-jump-stack)
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(ein:goto-marker it other-window)
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(ein:log 'info "Nothing on stack."))))
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(define-obsolete-function-alias
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'ein:pytools-eval-string-internal
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'ein:shared-output-eval-string "0.1.2")
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(provide 'ein-pytools)
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;;; ein-pytools.el ends here
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