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Viewing changes to grackle/server/wsgi.py

  • Committer: William Grant
  • Date: 2012-01-12 10:52:19 UTC
  • Revision ID: william.grant@canonical.com-20120112105219-c05dndn8q1p0ct31
Add trivial WSGI app and test.

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grackle/server/wsgi.py
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__metaclass__ = type
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import json
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import uuid
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import web
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from grackle.model import CassandraConnection
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conn = None
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class root:
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    def GET(self, name):
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        web.header('Content-Type', 'text/plain')
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        args = web.input()
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        if not getattr(args, 'op', None):
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            return self.index(name)
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        if args.op == 'get_messages':
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            return self.get_messages(name, args)
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    def POST(self, name):
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        data = web.data()
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        conn.add_message(name, data)
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        web.ctx.status = '201 Created'
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    def index(self, name):
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        return ('Service for archive %s.' % name)
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    def get_messages(self, name, args):
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        try:
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            count = int(args.count)
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        except (AttributeError, ValueError):
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            count = 10
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        order = getattr(args, 'order', '-date')
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        memo = getattr(args, 'memo', '')
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        prev, messages, next = conn.get_messages(name, order, count, memo)
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        return json.dumps({
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            'prev_memo': prev,
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            'messages': messages,
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            'next_memo': next,
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            })
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urls = (
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    '/', 'root',
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app = web.application(urls, globals(), autoreload=False)
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if __name__ == "__main__":
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    import logging
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    logging.basicConfig(
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        format='%(asctime)s:%(levelname)s:%(name)s:%(message)s',
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        level=logging.DEBUG)
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    conn = CassandraConnection('grackle', ['localhost:9160'])
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    app.run()