[Checkins] [zopefoundation/zope.interface] 670afb: Move Declaration, Specification and ClassProvides ...

Thu Jan 23 17:24:37 CET 2020

  Branch: refs/heads/slots
  Home:   https://github.com/zopefoundation/zope.interface
  Commit: 670afbbb428773baec0f589c8fec77029b277bf6
      https://github.com/zopefoundation/zope.interface/commit/670afbbb428773baec0f589c8fec77029b277bf6
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2020-01-23 (Thu, 23 Jan 2020)

  Changed paths:
    M src/zope/interface/_zope_interface_coptimizations.c
    M src/zope/interface/declarations.py
    M src/zope/interface/interface.py
    M src/zope/interface/tests/test_declarations.py
    M src/zope/interface/tests/test_interface.py

  Log Message:
  -----------
  Move Declaration, Specification and ClassProvides to __slots__.

In a test of 6000 modules that load 2245 InterfaceClass objects and produce 2233 ClassProvides instances, this saves about 1% total memory usage in Python 2.7.