MAINT: Removes the ability to reference a global TradingEnvironment

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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.

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jfkirk

2015-08-24 16:04:10 -04:00

parent 661314ce49

commit dc964a7e7d

45 changed files with 1484 additions and 1173 deletions

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tests/test_algorithm.py

+293 -158

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