annotate piecrust/decorators.py @ 2:40fa08b261b9
Added unit tests (using `py.test`) for `Configuration`.
Fixed some configuration module bugs.
| author |
Ludovic Chabant <ludovic@chabant.com> |
| date |
Wed, 25 Dec 2013 22:16:46 -0800 |
| parents |
a212a3f2e3ee |
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1 import functools
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3
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4 def lazy(f):
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5 @functools.wraps(f)
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6 def lazy_wrapper(*args, **kwargs):
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7 if f.__lazyresult__ is None:
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8 f.__lazyresult__ = f(*args, **kwargs)
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9 return f.__lazyresult__
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10
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11 f.__lazyresult__ = None
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12 return lazy_wrapper
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13
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14
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15 def lazy_property(f):
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16 return property(lazy(f))
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17
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