Move tooltip and help command to pytools

ein-notebook.el and ein-connect.el can share same command thanks to
the generic getter function.

lisp/ein-cell.el

@@ -625,24 +625,6 @@ Return `nil' always for non-code cells."
 prompt EWOC node."
   (ein:cell-set-autoexec cell (not (ein:cell-autoexec-p cell))))
 
-(declare-function pos-tip-show "pos-tip")
-(declare-function popup-tip "popup")
-
-(defun ein:cell-finish-tooltip (cell content -metadata-not-used-)
-  ;; See: Tooltip.prototype._show (tooltip.js)
-  (let ((tooltip (ein:kernel-construct-help-string content))
-        (defstring (ein:kernel-construct-defstring content))
-        (name (plist-get content :name)))
-    (if tooltip
-        (cond
-         ((and window-system (featurep 'pos-tip))
-          (pos-tip-show tooltip 'ein:pos-tip-face nil nil 0))
-         ((featurep 'popup)
-          (popup-tip tooltip))
-         (t (when (stringp defstring)
-              (message (ein:trim (ansi-color-apply defstring))))))
-      (ein:log 'info "no info for %s" name))))
-
 (defmethod ein:cell-goto ((cell ein:basecell) &optional relpos)
   "Go to the input area of the given CELL.
 RELPOS is the position relative to the input area.  Default is 0."

lisp/ein-connect.el

@@ -246,24 +246,9 @@ See also: `ein:connect-run-buffer', `ein:connect-eval-buffer'."
   'ein:connect-eval-string-internal
   'ein:shared-output-eval-string "0.1.2")
 
-(defun ein:connect-request-tool-tip-command ()
-  (interactive)
-  (let ((notebook (ein:connect-get-notebook)))
-    (ein:kernel-if-ready (ein:$notebook-kernel notebook)
-      (let ((func (ein:object-at-point)))
-        ;; Set cell=nil.  In fact, the argument cell is not used.
-        ;; FIXME: refactor `ein:notebook-request-tool-tip'
-        (ein:notebook-request-tool-tip notebook nil func)))))
-
-(defun ein:connect-request-help-command ()
-  (interactive)
-  (ein:notebook-request-help (ein:connect-get-notebook)))
-
-(defun ein:connect-request-tool-tip-or-help-command (&optional pager)
-  (interactive "P")
-  (if pager
-      (ein:connect-request-help-command)
-    (ein:connect-request-tool-tip-command)))
+(define-obsolete-function-alias
+  'ein:connect-request-tool-tip-or-help-command
+  'ein:pytools-request-tooltip-or-help "0.1.2")
 
 (defun ein:connect-complete-command ()
   (interactive)
@@ -344,7 +329,7 @@ change the cells to run."
   (define-key map "\C-c\C-l" 'ein:connect-reload-buffer)
   (define-key map "\C-c\C-r" 'ein:connect-eval-region)
   (define-key map (kbd "C-:") 'ein:shared-output-eval-string)
-  (define-key map "\C-c\C-f" 'ein:connect-request-tool-tip-or-help-command)
+  (define-key map "\C-c\C-f" 'ein:pytools-request-tooltip-or-help)
   (define-key map "\C-c\C-i" 'ein:connect-complete-command)
   (define-key map "\C-c\C-z" 'ein:connect-pop-to-notebook)
   (define-key map "\C-c\C-a" 'ein:connect-toggle-autoexec)

lisp/ein-kernel.el

@@ -530,14 +530,14 @@ http://ipython.org/ipython-doc/dev/development/messaging.html#complete
 
 (defun ein:kernel-construct-defstring (content)
   "Construct call signature from CONTENT of ``:object_info_reply``.
-Used in `ein:cell-finish-tooltip', etc."
+Used in `ein:pytools-finish-tooltip', etc."
   (or (plist-get content :call_def)
       (plist-get content :init_definition)
       (plist-get content :definition)))
 
 (defun ein:kernel-construct-help-string (content)
   "Construct help string from CONTENT of ``:object_info_reply``.
-Used in `ein:cell-finish-tooltip', etc."
+Used in `ein:pytools-finish-tooltip', etc."
   (ein:log 'debug "KERNEL-CONSTRUCT-HELP-STRING")
   (let* ((defstring (ein:aand
                      (ein:kernel-construct-defstring content)

lisp/ein-notebook.el

@@ -941,43 +941,9 @@ next cell, or insert if none."
           do (ein:cell-execute cell))
     (ein:log 'error "Not in notebook buffer!")))
 
-(defun ein:notebook-request-tool-tip (notebook cell func)
-  (let ((kernel (ein:$notebook-kernel notebook))
-        (callbacks
-         (list :object_info_reply
-               (cons #'ein:cell-finish-tooltip cell))))
-    (ein:kernel-object-info-request kernel func callbacks)))
-
-(defun ein:notebook-request-tool-tip-command ()
-  (interactive)
-  (ein:notebook-with-cell #'ein:codecell-p
-    (ein:kernel-if-ready (ein:$notebook-kernel ein:%notebook%)
-      (let ((func (ein:object-at-point)))
-        (ein:notebook-request-tool-tip ein:%notebook% cell func)))))
-
-(defun ein:notebook-request-help (notebook)
-  (ein:kernel-if-ready (ein:$notebook-kernel notebook)
-    (let ((func (ein:object-at-point)))
-      (when func
-        (ein:kernel-execute (ein:$notebook-kernel notebook)
-                            (format "%s?" func) ; = code
-                            nil                 ; = callbacks
-                            ;; It looks like that magic command does
-                            ;; not work in silent mode.
-                            :silent nil)))))
-
-(defun ein:notebook-request-help-command ()
-  (interactive)
-  (ein:notebook-request-help ein:%notebook%))
-
-(defun ein:notebook-request-tool-tip-or-help-command (&optional pager)
-  "Show the help for the object at point using tooltip.
-When the prefix argument ``C-u`` is given, open the help in the
-pager buffer.  You can explicitly specify the object by selecting it."
-  (interactive "P")
-  (if pager
-      (ein:notebook-request-help-command)
-    (ein:notebook-request-tool-tip-command)))
+(define-obsolete-function-alias
+  'ein:notebook-request-tool-tip-or-help-command
+  'ein:pytools-request-tooltip-or-help "0.1.2")
 
 (defun ein:notebook-complete-at-point (notebook)
   (let ((kernel (ein:$notebook-kernel notebook))
@@ -1385,7 +1351,7 @@ Do not use `python-mode'.  Use plain mode when MuMaMo is not installed::
   (define-key map (kbd "C-c <down>") 'ein:notebook-move-cell-down-command)
   (define-key map (kbd "M-<up>") 'ein:notebook-move-cell-up-command)
   (define-key map (kbd "M-<down>") 'ein:notebook-move-cell-down-command)
-  (define-key map "\C-c\C-f" 'ein:notebook-request-tool-tip-or-help-command)
+  (define-key map "\C-c\C-f" 'ein:pytools-request-tooltip-or-help)
   (define-key map "\C-c\C-i" 'ein:notebook-complete-command)
   (define-key map "\C-c\C-x" 'ein:tb-show)
   (define-key map "\C-c\C-r" 'ein:notebook-restart-kernel-command)

lisp/ein-pytools.el

@@ -61,6 +61,56 @@ If OTHER-WINDOW is non-`nil', open the file in the other window."
    kernel
    (format "__import__('sys').path.append('%s')" ein:source-dir)))
 
+
+;;; Tooltip and help
+
+(defun ein:pytools-request-tooltip (kernel func)
+  (interactive (list (ein:get-kernel-or-error)
+                     (ein:object-at-point-or-error)))
+  (ein:kernel-object-info-request
+   kernel func (list :object_info_reply
+                     (cons #'ein:pytools-finish-tooltip nil))))
+
+(declare-function pos-tip-show "pos-tip")
+(declare-function popup-tip "popup")
+
+(defun ein:pytools-finish-tooltip (-ignore- content -metadata-not-used-)
+  ;; See: Tooltip.prototype._show (tooltip.js)
+  (let ((tooltip (ein:kernel-construct-help-string content))
+        (defstring (ein:kernel-construct-defstring content))
+        (name (plist-get content :name)))
+    (if tooltip
+        (cond
+         ((and window-system (featurep 'pos-tip))
+          (pos-tip-show tooltip 'ein:pos-tip-face nil nil 0))
+         ((featurep 'popup)
+          (popup-tip tooltip))
+         (t (when (stringp defstring)
+              (message (ein:trim (ansi-color-apply defstring))))))
+      (ein:log 'info "no info for %s" name))))
+
+(defun ein:pytools-request-help (kernel func)
+  (interactive (list (ein:get-kernel-or-error)
+                     (ein:object-at-point-or-error)))
+  (ein:kernel-execute kernel
+                      (format "%s?" func) ; = code
+                      nil                 ; = callbacks
+                      ;; It looks like that magic command does
+                      ;; not work in silent mode.
+                      :silent nil))
+
+(defun ein:pytools-request-tooltip-or-help (&optional pager)
+  "Show the help for the object at point using tooltip.
+When the prefix argument ``C-u`` is given, open the help in the
+pager buffer.  You can explicitly specify the object by selecting it."
+  (interactive "P")
+  (call-interactively (if pager
+                          #'ein:pytools-request-help
+                        #'ein:pytools-request-tooltip)))
+
+
+;;; Source jump
+
 (defvar ein:pytools-jump-stack nil)
 
 (defvar ein:pytools-jump-to-source-not-found-regexp

lisp/ein-utils.el

@@ -198,6 +198,9 @@ before previous opening parenthesis."
             (search-backward "(" (point-at-bol) t))
           (thing-at-point 'word))))))
 
+(defun ein:object-at-point-or-error ()
+  (or (ein:object-at-point) (error "No object found at the point")))
+
 
 ;;; URL utils