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3 Commits
Author SHA1 Message Date
jfkirk dc964a7e7d MAINT: Removes the ability to reference a global TradingEnvironment 
This commit removes the ability to reference a shared TradingEnvironment through the zipline.finance.trading module. In place, the classes that require a TradingEnvironment, or its child AssetFinder, contain their own references to those objects.

This commit also adds serialization utilities that allow for the pickling/unpickling of objects without unintentionally their TradingEnvironments or AssetFinders.
 2015-09-10 11:53:28 -04:00
Dale JungandEddie Hebert 7892a6943f RFT: Remove Position management from PerformancePeriod. This cuts down 
on the number of per-tick update that occur since they were duplicated
per each PerformancePeriod. Also opens up the path to cythonizing the
entire object
 2015-03-18 22:48:14 -04:00
Delaney Granizo-Mackenzie 5c756a84c5 ENH: Added tests for pickling zipline objects. 2015-03-04 14:17:13 -05:00