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AutoRegistry
Invoking functions and class constructors from a string is a common design pattern that autoregistry aims to solve. autoregistry has a single powerful class Registry that can do the following:
- Be subclassed to automatically register subclasses by their name.
Registry is, itself, a subclass of ABC for easy interface creation.
Be directly invoked my_registery = Registry() to create a decorator for registering callables like functions.
Installation
python -m pip install autoregistryExamples
Class Inheritence
from dataclasses import dataclass
from autoregistry import Registry, abstractmethod
@dataclass
class Pokemon(Registry):
level: int
hp: int
@abstractmethod
def attack(self, target):
"""Attack another Pokemon."""
class Charmander(Pokemon):
def attack(self, target):
return 1
class Pikachu(Pokemon):
def attack(self, target):
return 2
class SurfingPikachu(Pikachu):
def attack(self, target):
return 3
print("")
print(f"{len(Pokemon)} Pokemon registered:")
print(f" {list(Pokemon.keys())}")
# By default, lookup is case-insensitive
charmander = Pokemon["cHaRmAnDer"](level=7, hp=31)
print(f"Created Pokemon: {charmander}")
print("")This code block produces the following output:
3 Pokemon registered:
['charmander', 'pikachu', 'surfingpikachu']
Created Pokemon: Charmander(level=7, hp=31)Function Registry
from autoregistry import Registry
pokeballs = Registry()
@pokeballs
def masterball(target):
return 1.0
@pokeballs
def pokeball(target):
return 0.1
print("")
for ball in ["pokeball", "masterball"]:
success_rate = pokeballs[ball](None)
print(f"Ash used {ball} and had {success_rate=}")
print("")This code block produces the following output:
Ash used pokeball and had success_rate=0.1
Ash used greatball and had success_rate=0.3
Ash used ultraball and had success_rate=0.5
Ash used masterball and had success_rate=1.0Release history Release notifications | RSS feed
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