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@@ -0,0 +1,56 b'' | |||||
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1 | { | |||
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2 | "worksheets": [ | |||
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3 | { | |||
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4 | "cells": [ | |||
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5 | { | |||
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6 | "source": "A demonstration of the ability to clear the output of a cell during execution.", | |||
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7 | "cell_type": "markdown" | |||
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8 | }, | |||
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9 | { | |||
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10 | "cell_type": "code", | |||
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11 | "language": "python", | |||
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12 | "outputs": [], | |||
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13 | "collapsed": true, | |||
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14 | "prompt_number": 8, | |||
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15 | "input": "from IPython.core.display import clear_output, display" | |||
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16 | }, | |||
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17 | { | |||
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18 | "cell_type": "code", | |||
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19 | "language": "python", | |||
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20 | "outputs": [], | |||
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21 | "collapsed": false, | |||
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22 | "prompt_number": 4, | |||
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23 | "input": "import time" | |||
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24 | }, | |||
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25 | { | |||
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26 | "source": "First we show how this works with ``display``:", | |||
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27 | "cell_type": "markdown" | |||
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28 | }, | |||
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29 | { | |||
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30 | "cell_type": "code", | |||
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31 | "language": "python", | |||
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32 | "outputs": [], | |||
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33 | "collapsed": false, | |||
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34 | "prompt_number": 17, | |||
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35 | "input": "for i in range(10):\n display(\"Time step: %i\" % i)\n time.sleep(0.5)\n clear_output()" | |||
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36 | }, | |||
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37 | { | |||
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38 | "source": "Next, we show that ``clear_output`` can also be used to create a primitive form of animation using\nmatplotlib:", | |||
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39 | "cell_type": "markdown" | |||
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40 | }, | |||
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41 | { | |||
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42 | "cell_type": "code", | |||
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43 | "language": "python", | |||
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44 | "outputs": [], | |||
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45 | "collapsed": false, | |||
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46 | "prompt_number": 20, | |||
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47 | "input": "for i in range(10):\n figure()\n plot(rand(100))\n show()\n time.sleep(0.1)\n clear_output()" | |||
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48 | } | |||
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49 | ] | |||
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50 | } | |||
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51 | ], | |||
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52 | "metadata": { | |||
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53 | "name": "clear_output" | |||
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54 | }, | |||
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55 | "nbformat": 2 | |||
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56 | } No newline at end of file |
@@ -381,3 +381,9 b' class Image(DisplayObject):' | |||||
381 |
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381 | |||
382 | def _find_ext(self, s): |
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382 | def _find_ext(self, s): | |
383 | return unicode(s.split('.')[-1].lower()) |
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383 | return unicode(s.split('.')[-1].lower()) | |
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384 | ||||
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385 | ||||
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386 | def clear_output(): | |||
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387 | """Clear the output of the current cell receiving output.""" | |||
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388 | from IPython.core.interactiveshell import InteractiveShell | |||
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389 | InteractiveShell.instance().display_pub.clear_output() |
@@ -104,6 +104,10 b' class DisplayPublisher(Configurable):' | |||||
104 | if data.has_key('text/plain'): |
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104 | if data.has_key('text/plain'): | |
105 | print(data['text/plain'], file=io.stdout) |
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105 | print(data['text/plain'], file=io.stdout) | |
106 |
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106 | |||
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107 | def clear_output(self): | |||
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108 | """Clear the output of the cell receiving output.""" | |||
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109 | pass | |||
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110 | ||||
107 |
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111 | |||
108 | def publish_display_data(source, data, metadata=None): |
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112 | def publish_display_data(source, data, metadata=None): | |
109 | """Publish data and metadata to all frontends. |
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113 | """Publish data and metadata to all frontends. |
@@ -733,7 +733,9 b' var IPython = (function (IPython) {' | |||||
733 | } else if (content.execution_state === 'dead') { |
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733 | } else if (content.execution_state === 'dead') { | |
734 | this.handle_status_dead(); |
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734 | this.handle_status_dead(); | |
735 | }; |
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735 | }; | |
736 | } |
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736 | } else if (msg_type === 'clear_output') { | |
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737 | cell.clear_output(); | |||
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738 | }; | |||
737 | }; |
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739 | }; | |
738 |
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740 | |||
739 |
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741 |
@@ -80,6 +80,11 b' class ZMQDisplayPublisher(DisplayPublisher):' | |||||
80 | parent=self.parent_header |
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80 | parent=self.parent_header | |
81 | ) |
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81 | ) | |
82 |
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82 | |||
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83 | def clear_output(self): | |||
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84 | self.session.send( | |||
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85 | self.pub_socket, u'clear_output', {}, | |||
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86 | parent=self.parent_header | |||
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87 | ) | |||
83 |
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88 | |||
84 | class ZMQInteractiveShell(InteractiveShell): |
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89 | class ZMQInteractiveShell(InteractiveShell): | |
85 | """A subclass of InteractiveShell for ZMQ.""" |
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90 | """A subclass of InteractiveShell for ZMQ.""" |
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