quantopian/zipline — pull request #283 by twiecki (2014-03-13 09:45:45+00:00)
Title: ENH: Add simulated random trade source.

This adds a new data source that emits events
with certain user-specified frequency (minute
or daily).

This allows users to backtest and debug an
algorithm in minute mode to provide a cleaner
path towards Quantopian.