A decorator for injecting global variables into function calls.
Project description
inject-globals
A function for injecting global variables into function calls.
Usage example:
A simple usage example is this:
from inject_globals import inject_globals
@inject_globals(a = "Hello", b = "World")
def hello():
print(f"{a} {b}")
hello()
However, that example is somewhat silly. It's power shows up when you are creating other decorators, like this one:
def run_n_times(n):
def middle(func):
from functools import wraps
@wraps(func)
def inner(*args, **kwargs):
r = []
for i in range(1, n + 1):
r.append(inject_globals(it = i)(func)(*args, **kwargs))
return r
return inner
return middle
@run_n_times(3)
def foo():
return f"This is the iteration #{it}."
assert foo() == ["This is the iteration #1.", "This is the iteration #2.", "This is the iteration #3."]
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