49 lines
959 B
Python
49 lines
959 B
Python
from pydantic import BaseModel
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class Pet(BaseModel):
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id: int
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name: str
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age: int
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class Error(BaseModel):
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error: str
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class Model:
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"""
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To keep simple this demo, we use a simple dict as database to
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store the models.
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"""
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class NotFound(KeyError):
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"""
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Raised when a pet is not found.
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"""
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def __init__(self):
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self.storage = {}
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def add_pet(self, pet: Pet):
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self.storage[pet.id] = pet
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def remove_pet(self, id: int):
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try:
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del self.storage[id]
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except KeyError as error:
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raise self.NotFound(str(error))
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def update_pet(self, id: int, pet: Pet):
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self.remove_pet(id)
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self.add_pet(pet)
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def find_pet(self, id: int):
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try:
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return self.storage[id]
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except KeyError as error:
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raise self.NotFound(str(error))
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def list_pets(self):
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return list(self.storage.values())
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