Notebook

In [21]:

import ipywidgets as widgets # Loads the Widget framework.
from IPython.core.magics.namespace import NamespaceMagics # Used to query namespace.

# For this example, hide these names, just to avoid polluting the namespace further
get_ipython().user_ns_hidden['widgets'] = widgets
get_ipython().user_ns_hidden['NamespaceMagics'] = NamespaceMagics

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class VariableInspectorWindow(object):
    instance = None
    
    def __init__(self, ipython):
        """Public constructor."""
        if VariableInspectorWindow.instance is not None:
            raise Exception("""Only one instance of the Variable Inspector can exist at a 
                time.  Call close() on the active instance before creating a new instance.
                If you have lost the handle to the active instance, you can re-obtain it
                via `VariableInspectorWindow.instance`.""")
        
        VariableInspectorWindow.instance = self
        self.closed = False
        self.namespace = NamespaceMagics()
        self.namespace.shell = ipython.kernel.shell
        
        self._box = widgets.Box()
        self._box._dom_classes = ['inspector']
        self._box.background_color = '#fff'
        self._box.border_color = '#ccc'
        self._box.border_width = 1
        self._box.border_radius = 5

        self._modal_body = widgets.VBox()
        self._modal_body.overflow_y = 'scroll'

        self._modal_body_label = widgets.HTML(value = 'Not hooked')
        self._modal_body.children = [self._modal_body_label]

        self._box.children = [
            self._modal_body, 
        ]
        
        self._ipython = ipython
        self._ipython.events.register('post_run_cell', self._fill)
        
    def close(self):
        """Close and remove hooks."""
        if not self.closed:
            self._ipython.events.unregister('post_run_cell', self._fill)
            self._box.close()
            self.closed = True
            VariableInspectorWindow.instance = None

    def _fill(self):
        """Fill self with variable information."""
        values = self.namespace.who_ls()
        self._modal_body_label.value = '<table class="table table-bordered table-striped"><tr><th>Name</th><th>Type</th><th>Value</th></tr><tr><td>' + \
            '</td></tr><tr><td>'.join(['{0}</td><td>{1}</td><td>{2}'.format(v, type(eval(v)).__name__, str(eval(v))) for v in values]) + \
            '</td></tr></table>'

    def _ipython_display_(self):
        """Called when display() or pyout is used to display the Variable 
        Inspector."""
        self._box._ipython_display_()

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#inspector.close()

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inspector = VariableInspectorWindow(get_ipython())
inspector

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%%javascript
$('div.inspector')
    .detach()
    .prependTo($('body'))
    .css({
        'z-index': 999, 
        position: 'fixed',
        'box-shadow': '5px 5px 12px -3px black',
        opacity: 0.9
    })
    .draggable();

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a=3

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b=4

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s=5

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!pip install git+https://github.com/takluyver/mobilechelonian.git

Collecting git+https://github.com/takluyver/mobilechelonian.git
  Cloning https://github.com/takluyver/mobilechelonian.git to /tmp/pip-0c2s8mhj-build
Requirement already satisfied (use --upgrade to upgrade): IPython in /opt/conda/lib/python3.5/site-packages (from mobilechelonian==0.2)
Installing collected packages: mobilechelonian
  Running setup.py install for mobilechelonian ... - \ done
Successfully installed mobilechelonian-0.2
You are using pip version 8.1.1, however version 8.1.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

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from mobilechelonian import Turtle
t = Turtle()
t.speed(5)
colours=["red","blue","yellow","brown","black","purple","green"]

t.penup(); t.left(90); t.forward(200);t.right(90);t.pendown()
for i in range (0,18):
    t.pencolor(colours[i%7])
    t.right(20)
    t.forward(50)

t.right(180)
t.home()

In [20]:

t=Turtle()
t.forward(100)
t.right(90)
t.forward(100)

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