29 lines
894 B
Python
29 lines
894 B
Python
#
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# Handles GET /guestbook -- returns a list of items in the guestbook
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# with a form to add more.
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#
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from flask import current_app, escape
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import redis
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# Connect to redis. This is run only when this file is loaded; as
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# long as the pod is alive, the connection is reused.
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redisConnection = redis.StrictRedis(host='redis.guestbook', port=6379, db=0)
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def main():
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messages = redisConnection.lrange('guestbook', 0, -1)
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items = [("<li>%s</li>" % escape(m.decode('utf-8'))) for m in messages]
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ul = "<ul>%s</ul>" % "\n".join(items)
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return """
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<html><body style="font-family:sans-serif;font-size:2rem;padding:40px">
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<h1>Guestbook</h1>
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<form action="/guestbook" method="POST">
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<input type="text" name="text">
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<button type="submit">Add</button>
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</form>
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<hr/>
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%s
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</body></html>
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""" % ul
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