observer-pattern
Simple Observer Pattern Implementation
from observer_pattern import Observable
counter = 0
def plus_n(n):
global counter
counter += n
def plus_2n(n):
global counter
counter += 2*n
def plus_3n(n):
global counter
counter += 3*n
observable = Observable()
observable.subscribe(plus_n)
observable.subscribe(plus_2n)
observable.subscribe(plus_3n)
observable.notify(2)
observable.unsubscribe(plus_3n)
observable.notify(5)
print(counter) # 27
print(len(observable)) # 2
You can pass any number of args and kwargs
def print_product(a, b):
print(a * b)
observable = Observable()
observable.subscribe(print_product)
observable.notify(3, b=5) # 15
print(print_product in observable) # True
1 maintainer
Metadata
1 maintainer
Release files for observer-pattern 1.0.0
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| File | Size | Uploaded | Provenance | Actions |
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| observer_pattern-1.0.0.tar.gz | 14.2 kB | Without provenance | Details for observer_pattern-1.0.0.tar.gz |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Actions Reset |
|---|---|---|---|---|
| observer_pattern-1.0.0-py3-none-any.whl | Python 3 | none | any | Details for observer_pattern-1.0.0-py3-none-any.whl |
Total release size: 28.4 kB
Release files / observer_pattern-1.0.0.tar.gz
| Download URL | observer_pattern-1.0.0.tar.gz |
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| Size | 14.2 kB |
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Release files / observer_pattern-1.0.0-py3-none-any.whl
| Download URL | observer_pattern-1.0.0-py3-none-any.whl |
|---|---|
| Size | 14.3 kB |
| Tags | Python 3 |
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Security for observer-pattern 1.0.0
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