Assorted decorator functions.
Function decorator(deco)
Wrapper for decorator functions to support optional arguments. The actual decorator function ends up being called as:
deco(func, *da, **dkw)
allowing da and dkw to affect the bahviour of the decorator deco.
Examples:
@decorator
def deco(func, *da, kw=None):
... decorate func subject to the values of da and kw
@deco
def func1(...):
...
@deco('foo', arg2='bah')
def func2(...):
...
Function fmtdoc(func)
Decorator to replace a function's docstring with that string formatted against the function's module's dict.
This supports simple formatted docstrings:
ENVVAR_NAME = 'FUNC_DEFAULT'
@fmtdoc
def func():
"""Do something with os.environ[{ENVVAR_NAME}]."""
print(os.environ[ENVVAR_NAME])
This gives func this docstring:
Do something with os.environ[FUNC_DEFAULT].
Warning: this decorator is intended for wiring "constants" into docstrings, not for dynamic values. Use for other types of values should be considered with trepidation.
Function observable_class(property_names, only_unequal=False)
Class decorator to make various instance attributes observable.
Parameters:
property_names: an interable of instance property names to set up as observable properties. As a special case a singlestrcan be supplied of only one attribute is to be observed.only_unequal: only call the observers if the new property value is not equal to the previous proerty value. This requires property values to be comparable for inequality. Default:False, meaning that all updates will be reported.
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Release files for cs-deco 20190526
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Release files / cs.deco-20190526.tar.gz
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