Created
October 20, 2011 20:49
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redirect caching experiments
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| from flask import Flask | |
| import flask | |
| from gevent.pywsgi import WSGIServer | |
| app = Flask(__name__) | |
| app.debug = True | |
| color = 'green' | |
| @app.route("/js") | |
| def canvas(): | |
| headers = { | |
| 'Location': '/js/%s.js' % color, | |
| 'Cache-Control':'no-cache', | |
| 'Pragma': 'no-cache', | |
| } | |
| return flask.Response(status='303 See Other', headers=headers) | |
| @app.route("/dontcachemebro") | |
| def no_cache(): | |
| from datetime import datetime | |
| headers = { | |
| 'Cache-Control':'no-cache', | |
| 'Pragma': 'no-cache', | |
| } | |
| resp = str(datetime.now()) | |
| return flask.Response(resp, headers=headers) | |
| @app.route("/deploy/<new_color>", methods=["POST"]) | |
| def deploy_color(new_color): | |
| global color | |
| color = new_color | |
| return "" | |
| @app.route("/js/<color>.js") | |
| def make_canvas(color): | |
| js = 'document.body.bgColor = "%s";' % color | |
| headers = {'Content-Type': 'application/javascript', 'Expires': 'Fri, 30 Oct 2400 00:00:00 GMT'} | |
| return flask.Response(js, headers=headers) | |
| if __name__ == "__main__": | |
| WSGIServer(('', 8084), app).serve_forever() |
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| <head> | |
| <link href="data:image/x-icon;base64,AAABAAEAEBAAAAAAAABoBQAAFgAAACgAAAAQAAAAIAAAAAEACAAAAAAAAAEAAAAAAAAAAAAAAAEAAAAAAA..AMAK3WxwAOWT0AK4RgAKHOvQA4hWUAP4lqAD2MagBQm3kATKSBAECcdP//AAD8/wAA+H8AAPA/AADwPwAA4B8AAMAPAACABwAAAgMAAI8BAADfgAAA/8AAAP/AAAD/4QAA//MAAP//AAA=" rel="icon" type="image/x-icon" /> | |
| </head> | |
| <body> | |
| <script type="text/javascript" src="/dontcachemebro"></script> | |
| <script type="text/javascript" src="/js"></script> | |
| </body> |
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