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Tools for building webapps, sitting on top of Tornado
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shrapnel is a set of tools for building webapps on top of Tornado.  

Some components of interest:

shrapnel.command.ShrapnelApplication - Daemonizes a single tornado process, providing some basic command line options. 
shrapnel.config - Classes for configuring and providing objects of global interest.
shrapnel.db - Wrappers around tornado's own dbapi wrapper.  Does connection-pooling, transparent auto-reconnect, and transaction support.
shrapnel.mongodb - Connection acquisition/release + auto-reconnect.
shrapnel.web.Plan - Helper to support background-threaded execution, most useful from within a RequestHandler.
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