mercurial/demandload.py
author mpm@selenic.com
Sun, 05 Jun 2005 10:48:39 -0800
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child 1826 f3abe0bdccdd
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implement demand loading hack -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 implement demand loading hack This attempts to speed up start-up times without pushing imports down into local scopes. manifest hash: f9c18897e67f7872b44f5c89bdde00edfc3628ce -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (GNU/Linux) iD8DBQFCo0kHywK+sNU5EO8RAg5HAKCxRKAz3FXDyv4wScq1ZbwTgfPa2gCfW9K+ dg5nC3Uvp4FilP8waF6liAY= =dolF -----END PGP SIGNATURE-----
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def demandload(scope, modules):
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    class d:
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        def __getattr__(self, name):
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            mod = self.__dict__["mod"]
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            scope = self.__dict__["scope"]
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            scope[mod] = __import__(mod, scope, scope, [])
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            return getattr(scope[mod], name)
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    for m in modules.split():
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        dl = d()
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        dl.mod = m
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        dl.scope = scope
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        scope[m] = dl
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