update completion_ and objection_info_request

both requests take:

- code (up to full cell)
- cursor_pos (cursor offset in unicode characters)

and object_info_replies return a mime-bundle, instead of structured data

IPython/html/static/base/js/utils.js

@@ -1,13 +1,10 b''
-//----------------------------------------------------------------------------
-//  Copyright (C) 2008-2012  The IPython Development Team
-//
-//  Distributed under the terms of the BSD License.  The full license is in
-//  the file COPYING, distributed as part of this software.
-//----------------------------------------------------------------------------
+// Copyright (c) IPython Development Team.
+// Distributed under the terms of the Modified BSD License.
 
 //============================================================================
 // Utilities
 //============================================================================
+
 IPython.namespace('IPython.utils');
 
 IPython.utils = (function (IPython) {
@@ -430,7 +427,7 b' IPython.utils = (function (IPython) {'
     var escape_html = function (text) {
         // escape text to HTML
         return $("<div/>").text(text).html();
-    }
+    };
 
 
     var get_body_data = function(key) {
@@ -439,8 +436,19 b' IPython.utils = (function (IPython) {'
         // until we are building an actual request
         return decodeURIComponent($('body').data(key));
     };
-
-
+    
+    var absolute_cursor_pos = function (cm, cursor) {
+        // get the absolute cursor position from CodeMirror's col, ch
+        if (!cursor) {
+            cursor = cm.getCursor();
+        }
+        var cursor_pos = cursor.ch;
+        for (var i = 0; i < cursor.line; i++) {
+            cursor_pos += cm.getLine(i).length + 1;
+        }
+        return cursor_pos;
+    };
+    
     // http://stackoverflow.com/questions/2400935/browser-detection-in-javascript
     var browser = (function() {
         if (typeof navigator === 'undefined') {
@@ -465,13 +473,13 b' IPython.utils = (function (IPython) {'
         if (navigator.appVersion.indexOf("Mac")!=-1) OSName="MacOS";
         if (navigator.appVersion.indexOf("X11")!=-1) OSName="UNIX";
         if (navigator.appVersion.indexOf("Linux")!=-1) OSName="Linux";
-        return OSName
+        return OSName;
     })();
 
     var is_or_has = function (a, b) {
         // Is b a child of a or a itself?
         return a.has(b).length !==0 || a.is(b);
-    }
+    };
 
     var is_focused = function (e) {
         // Is element e, or one of its children focused?
@@ -486,7 +494,7 b' IPython.utils = (function (IPython) {'
         } else {
             return false;
         }
-    }
+    };
     
     var log_ajax_error = function (jqXHR, status, error) {
         // log ajax failures with informative messages
@@ -499,7 +507,7 b' IPython.utils = (function (IPython) {'
         }
         console.log(msg);
     };
-
+    
     return {
         regex_split : regex_split,
         uuid : uuid,
@@ -515,6 +523,7 b' IPython.utils = (function (IPython) {'
         splitext : splitext,
         escape_html : escape_html,
         always_new : always_new,
+        absolute_cursor_pos : absolute_cursor_pos,
         browser : browser,
         platform: platform,
         is_or_has : is_or_has,

IPython/html/static/notebook/js/completer.js

@@ -1,6 +1,10 b''
-// function completer.
+// Copyright (c) IPython Development Team.
+// Distributed under the terms of the Modified BSD License.
+
+// Completer
 //
-// completer should be a class that takes an cell instance
+// Completer is be a class that takes a cell instance.
+
 var IPython = (function (IPython) {
     // that will prevent us from misspelling
     "use strict";
@@ -145,11 +149,14 b' var IPython = (function (IPython) {'
         // we fork here and directly call finish completing if kernel is busy
         if (this.skip_kernel_completion) {
             this.finish_completing({
-                'matches': [],
+                matches: [],
                 matched_text: ""
             });
         } else {
-            this.cell.kernel.complete(line, cur.ch, $.proxy(this.finish_completing, this));
+            var cursor_pos = IPython.utils.absolute_cursor_pos(this.editor, cur);
+            this.cell.kernel.complete(this.editor.getValue(), cursor_pos,
+                $.proxy(this.finish_completing, this)
+            );
         }
     };
 

IPython/html/static/notebook/js/tooltip.js

@@ -1,9 +1,6 b''
-//----------------------------------------------------------------------------
-//  Copyright (C) 2008-2011  The IPython Development Team
-//
-//  Distributed under the terms of the BSD License.  The full license is in
-//  the file COPYING, distributed as part of this software.
-//----------------------------------------------------------------------------
+// Copyright (c) IPython Development Team.
+// Distributed under the terms of the Modified BSD License.
+
 //============================================================================
 // Tooltip
 //============================================================================
@@ -105,8 +102,8 b' var IPython = (function (IPython) {'
             this.tooltip.append(this.text);
 
             // function that will be called if you press tab 1, 2, 3... times in a row
-            this.tabs_functions = [function (cell, text) {
-                that._request_tooltip(cell, text);
+            this.tabs_functions = [function (cell, text, cursor) {
+                that._request_tooltip(cell, text, cursor);
             }, function () {
                 that.expand();
             }, function () {
@@ -131,13 +128,10 b' var IPython = (function (IPython) {'
     Tooltip.prototype.showInPager = function (cell) {
         // reexecute last call in pager by appending ? to show back in pager
         var that = this;
-        var callbacks = {'shell' : {
-                'payload' : {
-                    'page' : $.proxy(cell._open_with_pager, cell)
-                }
-            }
-        };
-        cell.kernel.execute(that.name + '?', callbacks, {'silent': false, 'store_history': true});
+        var payload = {};
+        payload.text = that._reply.content.data['text/plain'];
+        
+        $([IPython.events]).trigger('open_with_text.Pager', payload);
         this.remove_and_cancel_tooltip();
     };
 
@@ -222,10 +216,9 b' var IPython = (function (IPython) {'
         return Tooltip.last_token_re.exec(line);
     };
 
-    Tooltip.prototype._request_tooltip = function (cell, line) {
+    Tooltip.prototype._request_tooltip = function (cell, text, cursor_pos) {
         var callbacks = $.proxy(this._show, this);
-        var oir_token = this.extract_oir_token(line);
-        var msg_id = cell.kernel.object_info(oir_token, callbacks);
+        var msg_id = cell.kernel.object_info(text, cursor_pos, callbacks);
     };
 
     // make an imediate completion request
@@ -236,10 +229,8 b' var IPython = (function (IPython) {'
         this.cancel_pending();
         var editor = cell.code_mirror;
         var cursor = editor.getCursor();
-        var text = editor.getRange({
-            line: cursor.line,
-            ch: 0
-        }, cursor).trim();
+        var cursor_pos = IPython.utils.absolute_cursor_pos(editor, cursor);
+        var text = cell.get_text();
 
         this._hide_if_no_docstring = hide_if_no_docstring;
 
@@ -260,17 +251,17 b' var IPython = (function (IPython) {'
             this.reset_tabs_function (cell, text);
         }
 
-        // don't do anything if line beggin with '(' or is empty
-        if (text === "" || text === "(") {
-            return;
-        }
+        // don't do anything if line begins with '(' or is empty
+        // if (text === "" || text === "(") {
+        //     return;
+        // }
 
-        this.tabs_functions[this._consecutive_counter](cell, text);
+        this.tabs_functions[this._consecutive_counter](cell, text, cursor_pos);
 
         // then if we are at the end of list function, reset
         if (this._consecutive_counter == this.tabs_functions.length) {
-            this.reset_tabs_function (cell, text);
-	}
+            this.reset_tabs_function (cell, text, cursor);
+        }
 
         return;
     };
@@ -302,6 +293,7 b' var IPython = (function (IPython) {'
     Tooltip.prototype._show = function (reply) {
         // move the bubble if it is not hidden
         // otherwise fade it
+        this._reply = reply;
         var content = reply.content;
         if (!content.found) {
             // object not found, nothing to show
@@ -338,43 +330,14 b' var IPython = (function (IPython) {'
         this.arrow.animate({
             'left': posarrowleft + 'px'
         });
-
-        // build docstring
-        var defstring = content.call_def;
-        if (!defstring) {
-            defstring = content.init_definition;
-        }
-        if (!defstring) {
-            defstring = content.definition;
-        }
-
-        var docstring = content.call_docstring;
-        if (!docstring) {
-            docstring = content.init_docstring;
-        }
-        if (!docstring) {
-            docstring = content.docstring;
-        }
-
-        if (!docstring) {
-            // For reals this time, no docstring
-            if (this._hide_if_no_docstring) {
-                return;
-            } else {
-                docstring = "<empty docstring>";
-            }
-        }
-
+        
         this._hidden = false;
         this.tooltip.fadeIn('fast');
         this.text.children().remove();
-
+        
+        // This should support rich data types, but only text/plain for now
         // Any HTML within the docstring is escaped by the fixConsole() method.
-        var pre = $('<pre/>').html(utils.fixConsole(docstring));
-        if (defstring) {
-            var defstring_html = $('<pre/>').html(utils.fixConsole(defstring));
-            this.text.append(defstring_html);
-        }
+        var pre = $('<pre/>').html(utils.fixConsole(content.data['text/plain']));
         this.text.append(pre);
         // keep scroll top to be sure to always see the first line
         this.text.scrollTop(0);

IPython/html/static/services/kernels/js/kernel.js

@@ -263,7 +263,8 b' var IPython = (function (IPython) {'
     /**
      * Get info on an object
      *
-     * @param objname {string}
+     * @param code {string}
+     * @param cursor_pos {integer}
      * @param callback {function}
      * @method object_info
      *
@@ -271,20 +272,18 b' var IPython = (function (IPython) {'
      * The callback will be passed the complete `object_info_reply` message documented
      * [here](http://ipython.org/ipython-doc/dev/development/messaging.html#object-information)
      */
-    Kernel.prototype.object_info = function (objname, callback) {
+    Kernel.prototype.object_info = function (code, cursor_pos, callback) {
         var callbacks;
         if (callback) {
             callbacks = { shell : { reply : callback } };
         }
         
-        if (typeof(objname) !== null && objname !== null) {
-            var content = {
-                oname : objname.toString(),
-                detail_level : 0,
-            };
-            return this.send_shell_message("object_info_request", content, callbacks);
-        }
-        return;
+        var content = {
+            code : code,
+            cursor_pos : cursor_pos,
+            detail_level : 0,
+        };
+        return this.send_shell_message("object_info_request", content, callbacks);
     };
 
     /**
@@ -360,21 +359,19 b' var IPython = (function (IPython) {'
      * [here](http://ipython.org/ipython-doc/dev/development/messaging.html#complete)
      *
      * @method complete
-     * @param line {integer}
+     * @param code {string}
      * @param cursor_pos {integer}
      * @param callback {function}
      *
      */
-    Kernel.prototype.complete = function (line, cursor_pos, callback) {
+    Kernel.prototype.complete = function (code, cursor_pos, callback) {
         var callbacks;
         if (callback) {
             callbacks = { shell : { reply : callback } };
         }
         var content = {
-            text : '',
-            line : line,
-            block : null,
-            cursor_pos : cursor_pos
+            code : code,
+            cursor_pos : cursor_pos,
         };
         return this.send_shell_message("complete_request", content, callbacks);
     };

IPython/kernel/channels.py

@@ -270,38 +270,38 b' class ShellChannel(ZMQSocketChannel):'
         self._queue_send(msg)
         return msg['header']['msg_id']
 
-    def complete(self, text, line, cursor_pos, block=None):
+    def complete(self, code, cursor_pos=0, block=None):
         """Tab complete text in the kernel's namespace.
 
         Parameters
         ----------
-        text : str
-            The text to complete.
-        line : str
-            The full line of text that is the surrounding context for the
-            text to complete.
-        cursor_pos : int
-            The position of the cursor in the line where the completion was
-            requested.
-        block : str, optional
-            The full block of code in which the completion is being requested.
+        code : str
+            The context in which completion is requested.
+            Can be anything between a variable name and an entire cell.
+        cursor_pos : int, optional
+            The position of the cursor in the block of code where the completion was requested.
 
         Returns
         -------
         The msg_id of the message sent.
         """
-        content = dict(text=text, line=line, block=block, cursor_pos=cursor_pos)
+        content = dict(code=code, cursor_pos=cursor_pos)
         msg = self.session.msg('complete_request', content)
         self._queue_send(msg)
         return msg['header']['msg_id']
 
-    def object_info(self, oname, detail_level=0):
+    def object_info(self, code, cursor_pos=0, detail_level=0):
         """Get metadata information about an object in the kernel's namespace.
 
+        It is up to the kernel to determine the appropriate object to inspect.
+
         Parameters
         ----------
-        oname : str
-            A string specifying the object name.
+        code : str
+            The context in which info is requested.
+            Can be anything between a variable name and an entire cell.
+        cursor_pos : int, optional
+            The position of the cursor in the block of code where the info was requested.
         detail_level : int, optional
             The level of detail for the introspection (0-2)
 
@@ -309,7 +309,9 b' class ShellChannel(ZMQSocketChannel):'
         -------
         The msg_id of the message sent.
         """
-        content = dict(oname=oname, detail_level=detail_level)
+        content = dict(code=code, cursor_pos=cursor_pos,
+            detail_level=detail_level,
+        )
         msg = self.session.msg('object_info_request', content)
         self._queue_send(msg)
         return msg['header']['msg_id']

IPython/kernel/inprocess/channels.py

@@ -94,14 +94,16 b' class InProcessShellChannel(InProcessChannel):'
         self._dispatch_to_kernel(msg)
         return msg['header']['msg_id']
 
-    def complete(self, text, line, cursor_pos, block=None):
-        content = dict(text=text, line=line, block=block, cursor_pos=cursor_pos)
+    def complete(self, code, cursor_pos=0):
+        content = dict(code=code, cursor_pos=cursor_pos)
         msg = self.client.session.msg('complete_request', content)
         self._dispatch_to_kernel(msg)
         return msg['header']['msg_id']
 
-    def object_info(self, oname, detail_level=0):
-        content = dict(oname=oname, detail_level=detail_level)
+    def object_info(self, code, cursor_pos=0, detail_level=0):
+        content = dict(code=code, cursor_pos=cursor_pos,
+            detail_level=detail_level,
+        )
         msg = self.client.session.msg('object_info_request', content)
         self._dispatch_to_kernel(msg)
         return msg['header']['msg_id']

IPython/kernel/inprocess/tests/test_kernelmanager.py

@@ -1,19 +1,10 b''
-#-------------------------------------------------------------------------------
-#  Copyright (C) 2012  The IPython Development Team
-#
-#  Distributed under the terms of the BSD License.  The full license is in
-#  the file COPYING, distributed as part of this software.
-#-------------------------------------------------------------------------------
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
 
-#-----------------------------------------------------------------------------
-# Imports
-#-----------------------------------------------------------------------------
 from __future__ import print_function
 
-# Standard library imports
 import unittest
 
-# Local imports
 from IPython.kernel.inprocess.blocking import BlockingInProcessKernelClient
 from IPython.kernel.inprocess.manager import InProcessKernelManager
 
@@ -71,7 +62,7 b' class InProcessKernelManagerTestCase(unittest.TestCase):'
         kc = BlockingInProcessKernelClient(kernel=km.kernel)
         kc.start_channels()
         km.kernel.shell.push({'my_bar': 0, 'my_baz': 1})
-        kc.complete('my_ba', 'my_ba', 5)
+        kc.complete('my_ba', 5)
         msg = kc.get_shell_msg()
         self.assertEqual(msg['header']['msg_type'], 'complete_reply')
         self.assertEqual(sorted(msg['content']['matches']),
@@ -87,9 +78,12 b' class InProcessKernelManagerTestCase(unittest.TestCase):'
         km.kernel.shell.user_ns['foo'] = 1
         kc.object_info('foo')
         msg = kc.get_shell_msg()
-        self.assertEquals(msg['header']['msg_type'], 'object_info_reply')
-        self.assertEquals(msg['content']['name'], 'foo')
-        self.assertEquals(msg['content']['type_name'], 'int')
+        self.assertEqual(msg['header']['msg_type'], 'object_info_reply')
+        content = msg['content']
+        assert content['found']
+        self.assertEqual(content['name'], 'foo')
+        text = content['data']['text/plain']
+        self.assertIn('int', text)
 
     def test_history(self):
         """ Does requesting history from an in-process kernel work?

IPython/kernel/tests/test_message_spec.py

@@ -85,6 +85,17 b' class RHeader(Reference):'
     username = Unicode()
     version = Version('5.0')
 
+mime_pat = re.compile(r'\w+/\w+')
+
+class MimeBundle(Reference):
+    metadata = Dict()
+    data = Dict()
+    def _data_changed(self, name, old, new):
+        for k,v in iteritems(new):
+            assert mime_pat.match(k)
+            nt.assert_is_instance(v, string_types)
+
+# shell replies
 
 class ExecuteReply(Reference):
     execution_count = Integer()
@@ -109,31 +120,9 b' class ExecuteReplyError(Reference):'
     traceback = List(Unicode)
 
 
-class OInfoReply(Reference):
+class OInfoReply(MimeBundle):
     name = Unicode()
     found = Bool()
-    ismagic = Bool()
-    isalias = Bool()
-    namespace = Enum((u'builtin', u'magics', u'alias', u'Interactive'))
-    type_name = Unicode()
-    string_form = Unicode()
-    base_class = Unicode()
-    length = Integer()
-    file = Unicode()
-    definition = Unicode()
-    argspec = Dict()
-    init_definition = Unicode()
-    docstring = Unicode()
-    init_docstring = Unicode()
-    class_docstring = Unicode()
-    call_def = Unicode()
-    call_docstring = Unicode()
-    source = Unicode()
-    
-    def check(self, d):
-        super(OInfoReply, self).check(d)
-        if d['argspec'] is not None:
-            ArgSpec().check(d['argspec'])
 
 
 class ArgSpec(Reference):
@@ -173,25 +162,12 b' class Stream(Reference):'
     data = Unicode()
 
 
-mime_pat = re.compile(r'\w+/\w+')
-
-class DisplayData(Reference):
+class DisplayData(MimeBundle):
     source = Unicode()
-    metadata = Dict()
-    data = Dict()
-    def _data_changed(self, name, old, new):
-        for k,v in iteritems(new):
-            assert mime_pat.match(k)
-            nt.assert_is_instance(v, string_types)
 
 
-class ExecuteResult(Reference):
+class ExecuteResult(MimeBundle):
     execution_count = Integer()
-    data = Dict()
-    def _data_changed(self, name, old, new):
-        for k,v in iteritems(new):
-            assert mime_pat.match(k)
-            nt.assert_is_instance(v, string_types)
 
 
 references = {
@@ -334,8 +310,10 b' def test_oinfo_found():'
     validate_message(reply, 'object_info_reply', msg_id)
     content = reply['content']
     assert content['found']
-    argspec = content['argspec']
-    nt.assert_is(argspec, None)
+    nt.assert_equal(content['name'], 'a')
+    text = content['data']['text/plain']
+    nt.assert_in('Type:', text)
+    nt.assert_in('Docstring:', text)
 
 
 def test_oinfo_detail():
@@ -343,14 +321,15 b' def test_oinfo_detail():'
 
     msg_id, reply = execute(code='ip=get_ipython()')
     
-    msg_id = KC.object_info('ip.object_inspect', detail_level=2)
+    msg_id = KC.object_info('ip.object_inspect', cursor_pos=10, detail_level=1)
     reply = KC.get_shell_msg(timeout=TIMEOUT)
     validate_message(reply, 'object_info_reply', msg_id)
     content = reply['content']
     assert content['found']
-    argspec = content['argspec']
-    nt.assert_is_instance(argspec, dict, "expected non-empty argspec dict, got %r" % argspec)
-    nt.assert_equal(argspec['defaults'], [0])
+    nt.assert_equal(content['name'], 'ip.object_inspect')
+    text = content['data']['text/plain']
+    nt.assert_in('Definition:', text)
+    nt.assert_in('Source:', text)
 
 
 def test_oinfo_not_found():
@@ -368,7 +347,7 b' def test_complete():'
 
     msg_id, reply = execute(code="alpha = albert = 5")
     
-    msg_id = KC.complete('al', 'al', 2)
+    msg_id = KC.complete('al', 2)
     reply = KC.get_shell_msg(timeout=TIMEOUT)
     validate_message(reply, 'complete_reply', msg_id)
     matches = reply['content']['matches']

IPython/kernel/zmq/ipkernel.py

@@ -1,4 +1,3 b''
-#!/usr/bin/env python
 """An interactive kernel that talks to frontends over 0MQ."""
 
 # Copyright (c) IPython Development Team.
@@ -28,6 +27,7 b' from IPython.core import release'
 from IPython.utils import py3compat
 from IPython.utils.py3compat import builtin_mod, unicode_type, string_types
 from IPython.utils.jsonutil import json_clean
+from IPython.utils.tokenutil import token_at_cursor
 from IPython.utils.traitlets import (
     Any, Instance, Float, Dict, List, Set, Integer, Unicode,
     Type, Bool,
@@ -243,6 +243,7 b' class Kernel(Configurable):'
         else:
             # ensure default_int_handler during handler call
             sig = signal(SIGINT, default_int_handler)
+            self.log.debug("%s: %s", msg_type, msg)
             try:
                 handler(stream, idents, msg)
             except Exception:
@@ -489,7 +490,11 b' class Kernel(Configurable):'
         self._publish_status(u'idle', parent)
 
     def complete_request(self, stream, ident, parent):
-        txt, matches = self._complete(parent)
+        content = parent['content']
+        code = content['code']
+        cursor_pos = content['cursor_pos']
+        
+        txt, matches = self.shell.complete('', code, cursor_pos)
         matches = {'matches' : matches,
                    'matched_text' : txt,
                    'status' : 'ok'}
@@ -500,13 +505,25 b' class Kernel(Configurable):'
 
     def object_info_request(self, stream, ident, parent):
         content = parent['content']
-        object_info = self.shell.object_inspect(content['oname'],
-                        detail_level = content.get('detail_level', 0)
-        )
+        
+        name = token_at_cursor(content['code'], content['cursor_pos'])
+        info = self.shell.object_inspect(name)
+        
+        reply_content = {'status' : 'ok'}
+        reply_content['data'] = data = {}
+        reply_content['metadata'] = {}
+        reply_content['name'] = name
+        reply_content['found'] = info['found']
+        if info['found']:
+            info_text = self.shell.object_inspect_text(
+                name,
+                detail_level=content.get('detail_level', 0),
+            )
+            reply_content['data']['text/plain'] = info_text
         # Before we send this object over, we scrub it for JSON usage
-        oinfo = json_clean(object_info)
+        reply_content = json_clean(reply_content)
         msg = self.session.send(stream, 'object_info_reply',
-                                oinfo, parent, ident)
+                                reply_content, parent, ident)
         self.log.debug("%s", msg)
 
     def history_request(self, stream, ident, parent):
@@ -822,19 +839,6 b' class Kernel(Configurable):'
             raise EOFError
         return value
 
-    def _complete(self, msg):
-        c = msg['content']
-        try:
-            cpos = int(c['cursor_pos'])
-        except:
-            # If we don't get something that we can convert to an integer, at
-            # least attempt the completion guessing the cursor is at the end of
-            # the text, if there's any, and otherwise of the line
-            cpos = len(c['text'])
-            if cpos==0:
-                cpos = len(c['line'])
-        return self.shell.complete(c['text'], c['line'], cpos)
-
     def _at_shutdown(self):
         """Actions taken at shutdown by the kernel, called by python's atexit.
         """

IPython/kernel/zmq/tests/test_embed_kernel.py

@@ -128,7 +128,8 b' def test_embed_kernel_basic():'
         msg = client.get_shell_msg(block=True, timeout=TIMEOUT)
         content = msg['content']
         nt.assert_true(content['found'])
-        nt.assert_equal(content['string_form'], u'10')
+        text = content['data']['text/plain']
+        nt.assert_in('10', text)
 
 def test_embed_kernel_namespace():
     """IPython.embed_kernel() inherits calling namespace"""
@@ -148,14 +149,16 b' def test_embed_kernel_namespace():'
         msg = client.get_shell_msg(block=True, timeout=TIMEOUT)
         content = msg['content']
         nt.assert_true(content['found'])
-        nt.assert_equal(content['string_form'], u'5')
+        text = content['data']['text/plain']
+        nt.assert_in(u'5', text)
 
         # oinfo b (str)
         msg_id = client.object_info('b')
         msg = client.get_shell_msg(block=True, timeout=TIMEOUT)
         content = msg['content']
         nt.assert_true(content['found'])
-        nt.assert_equal(content['string_form'], u'hi there')
+        text = content['data']['text/plain']
+        nt.assert_in(u'hi there', text)
 
         # oinfo c (undefined)
         msg_id = client.object_info('c')
@@ -184,7 +187,8 b' def test_embed_kernel_reentrant():'
             msg = client.get_shell_msg(block=True, timeout=TIMEOUT)
             content = msg['content']
             nt.assert_true(content['found'])
-            nt.assert_equal(content['string_form'], unicode_type(i))
+            text = content['data']['text/plain']
+            nt.assert_in(unicode_type(i), text)
             
             # exit from embed_kernel
             client.execute("get_ipython().exit_now = True")

IPython/kernel/zmq/tests/test_start_kernel.py

@@ -14,7 +14,8 b' def test_ipython_start_kernel_userns():'
         msg = client.get_shell_msg(block=True, timeout=TIMEOUT)
         content = msg['content']
         assert content['found']
-        nt.assert_equal(content['string_form'], u'123')
+        text = content['data']['text/plain']
+        nt.assert_in(u'123', text)
 
         # user_module should be an instance of DummyMod
         msg_id = client.execute("usermod = get_ipython().user_module")
@@ -25,7 +26,8 b' def test_ipython_start_kernel_userns():'
         msg = client.get_shell_msg(block=True, timeout=TIMEOUT)
         content = msg['content']
         assert content['found']
-        nt.assert_in('DummyMod', content['string_form'])
+        text = content['data']['text/plain']
+        nt.assert_in(u'DummyMod', text)
 
 def test_ipython_start_kernel_no_userns():
     # Issue #4188 - user_ns should be passed to shell as None, not {}
@@ -42,4 +44,5 b' def test_ipython_start_kernel_no_userns():'
         msg = client.get_shell_msg(block=True, timeout=TIMEOUT)
         content = msg['content']
         assert content['found']
-        nt.assert_not_in('DummyMod', content['string_form'])
+        text = content['data']['text/plain']
+        nt.assert_not_in(u'DummyMod', text)

IPython/qt/console/console_widget.py

@@ -1584,7 +1584,16 b" class ConsoleWidget(MetaQObjectHasTraits('NewBase', (LoggingConfigurable, QtGui."
             cursor = self._control.textCursor()
             text = self._get_block_plain_text(cursor.block())
             return text[len(prompt):]
-
+    
+    def _get_input_buffer_cursor_pos(self):
+        """Return the cursor position within the input buffer."""
+        cursor = self._control.textCursor()
+        cursor.setPosition(self._prompt_pos, QtGui.QTextCursor.KeepAnchor)
+        input_buffer = cursor.selection().toPlainText()
+        
+        # Don't count continuation prompts
+        return len(input_buffer.replace('\n' + self._continuation_prompt, '\n'))
+    
     def _get_input_buffer_cursor_prompt(self):
         """ Returns the (plain text) prompt for line of the input buffer that
             contains the cursor, or None if there is no such line.

IPython/qt/console/frontend_widget.py

@@ -727,17 +727,10 b' class FrontendWidget(HistoryConsoleWidget, BaseFrontendMixin):'
         # Decide if it makes sense to show a call tip
         if not self.enable_calltips:
             return False
-        cursor = self._get_cursor()
-        cursor.movePosition(QtGui.QTextCursor.Left)
-        if cursor.document().characterAt(cursor.position()) != '(':
-            return False
-        context = self._get_context(cursor)
-        if not context:
-            return False
-
+        cursor_pos = self._get_input_buffer_cursor_pos()
+        code = self.input_buffer
         # Send the metadata request to the kernel
-        name = '.'.join(context)
-        msg_id = self.kernel_client.object_info(name)
+        msg_id = self.kernel_client.object_info(code, cursor_pos)
         pos = self._get_cursor().position()
         self._request_info['call_tip'] = self._CallTipRequest(msg_id, pos)
         return True
@@ -749,10 +742,9 b' class FrontendWidget(HistoryConsoleWidget, BaseFrontendMixin):'
         if context:
             # Send the completion request to the kernel
             msg_id = self.kernel_client.complete(
-                '.'.join(context),                       # text
-                self._get_input_buffer_cursor_line(),    # line
-                self._get_input_buffer_cursor_column(),  # cursor_pos
-                self.input_buffer)                       # block
+                code=self.input_buffer,
+                cursor_pos=self._get_input_buffer_cursor_pos(),
+            )
             pos = self._get_cursor().position()
             info = self._CompletionRequest(msg_id, pos)
             self._request_info['complete'] = info

IPython/qt/console/ipython_widget.py

@@ -327,24 +327,6 b' class IPythonWidget(FrontendWidget):'
     # 'FrontendWidget' protected interface
     #---------------------------------------------------------------------------
 
-    def _complete(self):
-        """ Reimplemented to support IPython's improved completion machinery.
-        """
-        # We let the kernel split the input line, so we *always* send an empty
-        # text field. Readline-based frontends do get a real text field which
-        # they can use.
-        text = ''
-
-        # Send the completion request to the kernel
-        msg_id = self.kernel_client.shell_channel.complete(
-            text,                                    # text
-            self._get_input_buffer_cursor_line(),    # line
-            self._get_input_buffer_cursor_column(),  # cursor_pos
-            self.input_buffer)                       # block
-        pos = self._get_cursor().position()
-        info = self._CompletionRequest(msg_id, pos)
-        self._request_info['complete'] = info
-
     def _process_execute_error(self, msg):
         """ Reimplemented for IPython-style traceback formatting.
         """

IPython/terminal/console/completer.py

@@ -1,6 +1,9 b''
-"""Adapt readline completer interface to make ZMQ request.
-"""
 # -*- coding: utf-8 -*-
+"""Adapt readline completer interface to make ZMQ request."""
+
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
+
 try:
     from queue import Empty  # Py 3
 except ImportError:
@@ -27,14 +30,16 b' class ZMQCompleter(IPCompleter):'
         self.client =  client
         self.matches = []
         
-    def complete_request(self,text):
+    def complete_request(self, text):
         line = readline.get_line_buffer()
         cursor_pos = readline.get_endidx()
         
         # send completion request to kernel
         # Give the kernel up to 0.5s to respond
-        msg_id = self.client.shell_channel.complete(text=text, line=line,
-                                                        cursor_pos=cursor_pos)
+        msg_id = self.client.shell_channel.complete(
+            code=line,
+            cursor_pos=cursor_pos,
+        )
         
         msg = self.client.shell_channel.get_msg(timeout=self.timeout)
         if msg['parent_header']['msg_id'] == msg_id:

IPython/utils/tests/test_tokenutil.py

@@ -6,11 +6,16 b' import nose.tools as nt'
 
 from IPython.utils.tokenutil import token_at_cursor
 
-def expect_token(expected, cell, column, line=0):
-    token = token_at_cursor(cell, column, line)
-    
-    lines = cell.splitlines()
-    line_with_cursor = '%s|%s' % (lines[line][:column], lines[line][column:])
+def expect_token(expected, cell, cursor_pos):
+    token = token_at_cursor(cell, cursor_pos)
+    offset = 0
+    for line in cell.splitlines():
+        if offset + len(line) >= cursor_pos:
+            break
+        else:
+            offset += len(line)
+    column = cursor_pos - offset
+    line_with_cursor = '%s|%s' % (line[:column], line[column:])
     line
     nt.assert_equal(token, expected,
         "Excpected %r, got %r in: %s" % (
@@ -34,11 +39,13 b' def test_multiline():'
         'b = hello("string", there)'
     ])
     expected = 'hello'
-    for i in range(4,9):
-        expect_token(expected, cell, i, 1)
+    start = cell.index(expected)
+    for i in range(start, start + len(expected)):
+        expect_token(expected, cell, i)
     expected = 'there'
-    for i in range(21,27):
-        expect_token(expected, cell, i, 1)
+    start = cell.index(expected)
+    for i in range(start, start + len(expected)):
+        expect_token(expected, cell, i)
 
 def test_attrs():
     cell = "foo(a=obj.attr.subattr)"

IPython/utils/tokenutil.py

@@ -23,7 +23,7 b' def generate_tokens(readline):'
         # catch EOF error
         return
 
-def token_at_cursor(cell, column, line=0):
+def token_at_cursor(cell, cursor_pos=0):
     """Get the token at a given cursor
     
     Used for introspection.
@@ -33,15 +33,13 b' def token_at_cursor(cell, column, line=0):'
     
     cell : unicode
         A block of Python code
-    column : int
-        The column of the cursor offset, where the token should be found
-    line : int, optional
-        The line where the token should be found (optional if cell is a single line)
+    cursor_pos : int
+        The location of the cursor in the block where the token should be found
     """
     cell = cast_unicode_py2(cell)
     names = []
     tokens = []
-    current_line = 0
+    offset = 0
     for tup in generate_tokens(StringIO(cell).readline):
         
         tok = Token(*tup)
@@ -49,7 +47,7 b' def token_at_cursor(cell, column, line=0):'
         # token, text, start, end, line = tup
         start_col = tok.start[1]
         end_col = tok.end[1]
-        if line == current_line and start_col > column:
+        if offset + start_col > cursor_pos:
             # current token starts after the cursor,
             # don't consume it
             break
@@ -64,13 +62,13 b' def token_at_cursor(cell, column, line=0):'
                 # don't inspect the lhs of an assignment
                 names.pop(-1)
         
-        if line == current_line and end_col > column:
+        if offset + end_col > cursor_pos:
             # we found the cursor, stop reading
             break
         
         tokens.append(tok)
         if tok.token == tokenize2.NEWLINE:
-            current_line += 1
+            offset += len(tok.line)
     
     if names:
         return names[-1]