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import asyncio | ||
import functools | ||
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from middlewared.utils.lang import undefined | ||
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def cache(func): | ||
value = undefined | ||
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if asyncio.iscoroutinefunction(func): | ||
@functools.wraps(func) | ||
async def wrapped(self): | ||
nonlocal value | ||
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if value == undefined: | ||
value = await func(self) | ||
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return value | ||
else: | ||
@functools.wraps(func) | ||
def wrapped(self): | ||
nonlocal value | ||
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if value == undefined: | ||
value = func(self) | ||
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return value | ||
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return wrapped |