Added detailed plotly example project

examples/plotly_example/plotlyjs_example.py

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+from sanic import Sanic
+
+from sanic_session import InMemorySessionInterface
+from sanic_jinja2 import SanicJinja2
+
+import json
+import plotly
+
+import pandas as pd
+import numpy as np
+
+app = Sanic(__name__)
+
+jinja = SanicJinja2(app)
+session = InMemorySessionInterface(cookie_name=app.name, prefix=app.name)
+
+@app.middleware('request')
+async def print_on_request(request):
+	print(request.headers)
+	await session.open(request)
+
+@app.middleware('response')
+async def print_on_response(request, response):
+	await session.save(request, response)
+
+
+
+@app.route('/')
+async def index(request):
+    rng = pd.date_range('1/1/2011', periods=7500, freq='H')
+    ts = pd.Series(np.random.randn(len(rng)), index=rng)
+
+    graphs = [
+        dict(
+            data=[
+                dict(
+                    x=[1, 2, 3],
+                    y=[10, 20, 30],
+                    type='scatter'
+                ),
+            ],
+            layout=dict(
+                title='first graph'
+            )
+        ),
+
+        dict(
+            data=[
+                dict(
+                    x=[1, 3, 5],
+                    y=[10, 50, 30],
+                    type='bar'
+                ),
+            ],
+            layout=dict(
+                title='second graph'
+            )
+        ),
+
+        dict(
+            data=[
+                dict(
+                    x=ts.index,  # Can use the pandas data structures directly
+                    y=ts
+                )
+            ]
+        )
+    ]
+
+    # Add "ids" to each of the graphs to pass up to the client
+    # for templating
+    ids = ['graph-{}'.format(i) for i, _ in enumerate(graphs)]
+
+    # Convert the figures to JSON
+    # PlotlyJSONEncoder appropriately converts pandas, datetime, etc
+    # objects to their JSON equivalents
+    graphJSON = json.dumps(graphs, cls=plotly.utils.PlotlyJSONEncoder)
+
+    return jinja.render('index.html', request,
+                           ids=ids,
+                           graphJSON=graphJSON)
+
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=8000, debug=True)

examples/plotly_example/requirements.txt

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+pandas==0.19.2
+plotly==2.0.7
+sanic==0.5.0
+sanic-jinja2==0.5.1
+sanic-session==0.1.3