aiwonderland.functools
My main Python functools toolset.
Additional functools in the spirit of the standard library's functools.
pip install -e . to install from a checkout. Python 3.10+. No
runtime dependencies.
aiwonderland.functools
| Decorator / factory | What it does |
|---|---|
once(func) |
run func at most once, cache the result |
silent(default) |
catch Exception, return default |
pipe(*funcs) |
left-to-right composition |
pass_param(func, validator, fb) |
short-circuit on a sentinel first argument |
memoize(func) |
cache results keyed by arguments |
tap(side_effect=print) |
log calls; return value unchanged |
print_yielded(func) |
print every value a generator yields |
run_sync(coro_func) |
call an async def synchronously |
See each callable's docstring for parameters, return type, and examples.
from aiwonderland.functools import memoize, pipe, run_sync
@memoize
def fib(n):
return n if n < 2 else fib(n - 1) + fib(n - 2)
@run_sync
async def fetch_status():
return "ok"
print(fib(50), pipe(lambda x: x * 2, lambda x: x + 1)(3), fetch_status())
License
MIT. See LICENSE.
1 maintainer
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