liuyxpp · September 29, 2011 09:33 · Sep 29, 2011 · Mar 9, 2011 · Mar 9, 2011
diff --git a/flaskplotlib.py b/flaskplotlib.py
@@ -1,6 +1,10 @@
-from flask import Flask, make_response
+from flask import Flask, make_response, render_template
 app = Flask(__name__)
 
+@app.route("/")
+def index():
+    render_template("index.html")
+
 @app.route("/simple.png")
 def simple():
     import datetime

diff --git a/index.html b/index.html
@@ -0,0 +1,5 @@
+{% extends "layout.html" %}
+{% block body %}
+  <h1>Render a Image Directly by matplotlib</h1>
+  <img src="{{ url_for('simple') }}" alt="loading..." />
+{% endblock %}
diff --git a/flaskplotlib.py b/flaskplotlib.py
@@ -1,7 +1,7 @@
 from flask import Flask, make_response
 app = Flask(__name__)
 
-@app.route("/test.png")
+@app.route("/simple.png")
 def simple():
     import datetime
     import StringIO

diff --git a/flaskplotlib.py b/flaskplotlib.py
@@ -0,0 +1,36 @@
+from flask import Flask, make_response
+app = Flask(__name__)
+
+@app.route("/test.png")
+def simple():
+    import datetime
+    import StringIO
+    import random
+
+    from matplotlib.backends.backend_agg import FigureCanvasAgg as FigureCanvas
+    from matplotlib.figure import Figure
+    from matplotlib.dates import DateFormatter
+
+    fig=Figure()
+    ax=fig.add_subplot(111)
+    x=[]
+    y=[]
+    now=datetime.datetime.now()
+    delta=datetime.timedelta(days=1)
+    for i in range(10):
+        x.append(now)
+        now+=delta
+        y.append(random.randint(0, 1000))
+    ax.plot_date(x, y, '-')
+    ax.xaxis.set_major_formatter(DateFormatter('%Y-%m-%d'))
+    fig.autofmt_xdate()
+    canvas=FigureCanvas(fig)
+    png_output = StringIO.StringIO()
+    canvas.print_png(png_output)
+    response=make_response(png_output.getvalue())
+    response.headers['Content-Type'] = 'image/png'
+    return response
+
+
+if __name__ == "__main__":
+    app.run()