[Python-ideas] Add from experimental import bla [was: Should we move to replace re with regex?] (original) (raw)
Dj Gilcrease digitalxero at gmail.com
Sat Aug 27 21:57:26 CEST 2011
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In the thread about replacing re with regex someone mentioned adding to future which isnt a great idea as future APIs are already solidified, they just live there to give developer time to adapt their code. The idea of a experimental area is good for any pep's or stliib additions that are somewhat controversial (API isnt agreed on, code may take a while to integrate properly, developer wants some time to hash out any edge case bugs or API clarifications that may come up in large scale testing, etc).
experimental should emit a warning on import that says anything in here may change or be removed at any time and should not be used in stable code.
experimental features should behave the same as future in that they can add new keywords or semantics to the existing language
experimental features can move directly to the stlib or builtins if they do not add new keywords and/or are backwards compatible with the feature they are replacing. Otherwise they move into future for how ever many releases are deemed reasonable time for developers to adapt their code.
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