annotate mercurial/demandload.py @ 323:c6f0673ab7e9
lazyparser speed ups
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lazyparser speed ups
When we do __contains__ on a map, we might as well load the whole
index. Not doing this was slowing down finding new changesets quite by
a factor of 20. When we do a full load, we also attempt to replace the
revlog's index and nodemap with normal Python objects to avoid the
lazymap overhead.
manifest hash: 9b2b20aacc508f9027d115426c63a381d28e5485
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author |
mpm@selenic.com |
date |
Mon, 13 Jun 2005 12:01:12 -0800 |
parents |
3db700146536 |
children |
f3abe0bdccdd |
rev |
line source |
262
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1 def demandload(scope, modules):
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2 class d:
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3 def __getattr__(self, name):
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4 mod = self.__dict__["mod"]
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5 scope = self.__dict__["scope"]
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6 scope[mod] = __import__(mod, scope, scope, [])
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7 return getattr(scope[mod], name)
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8
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9 for m in modules.split():
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10 dl = d()
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11 dl.mod = m
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12 dl.scope = scope
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13 scope[m] = dl
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14
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15
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