load up widget.js code on import

Author: chriddyp

plotly/widgets/graph_widget.py

@@ -7,6 +7,16 @@
 from IPython.utils.traitlets import Unicode
 from IPython.display import Javascript, display
 
+# Load JS widget code
+# No officially recommended way to do this in any other way
+# http://mail.scipy.org/pipermail/ipython-dev/2014-April/013835.html
+directory = os.path.dirname(os.path.realpath(__file__))
+js_widget_file = os.path.join(directory, 'graphWidget.js')
+with open(js_widget_file) as f:
+    js_widget_code = f.read()
+
+display(Javascript(js_widget_code))
+
 __all__ = None
 
 class Graph(widgets.DOMWidget):
@@ -27,13 +37,6 @@ def __init__(self, graph_url, **kwargs):
         --------
         GraphWidget('https://plot.ly/~chris/3375')
         """
-        directory = os.path.dirname(os.path.realpath(__file__))
-        js_widget_file = os.path.join(directory, 'graphWidget.js')
-        with open(js_widget_file) as f:
-            js_widget_code = f.read()
-
-        display(Javascript(js_widget_code))
-
         super(Graph, self).__init__(**kwargs)
 
         # TODO: Validate graph_url