Capture vars not env#66

Merged

njsmith merged 15 commits intopydata:masterfrom

chrish42:capture-vars-not-env

May 20, 2015

Commits on Apr 15, 2015

Add function that yields all ast names from a Python expression.
chrish42
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Raise an exception if lambda, dict/list/set comprehension, generator expression is seen in patsy term; add tests.
chrish42
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Commits on Apr 16, 2015

Don't store eval_env in EvalFactor; have it passed from memorize_passes_needed and stored in state variable instead. Requires adding an 'eval_env' parameter to design_matrix_builders function.
chrish42
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Add comment about why we are checking the type of eval_env in design_matrix_builders().
chrish42
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Commits on Apr 17, 2015

Bump test coverage back up.
chrish42
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Commits on May 4, 2015

Second round of reviews.
chrish42
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Commits on May 14, 2015

Update changes.rst file.
chrish42
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Commits on May 15, 2015

Commits on May 19, 2015

Add high-level test: environment should not be saved in the builder (anymore).
chrish42
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Commits on May 20, 2015

Merge new changes from upstream.
chrish42
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