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Introduce generic base repository #5

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merged 2 commits into from
Feb 6, 2024
Merged

Introduce generic base repository #5

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73d44c3
Introduce generic base repository
4c0n Feb 5, 2024
9ee00be
Use double quotes instead of single quotes
4c0n Feb 6, 2024
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16 changes: 11 additions & 5 deletions meldingen_core/repositories.py
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Original file line number Diff line number Diff line change
@@ -1,19 +1,25 @@
from abc import ABCMeta, abstractmethod
from typing import Generic, TypeVar

from meldingen_core.models import Melding

T = TypeVar("T")
T_co = TypeVar("T_co", covariant=True)

class BaseMeldingRepository(metaclass=ABCMeta):
"""Repository for Melding."""

class BaseRepository(Generic[T, T_co], metaclass=ABCMeta):
@abstractmethod
def add(self, melding: Melding) -> None:
def add(self, obj: T) -> None:
...

@abstractmethod
def list(self, *, limit: int | None = None, offset: int | None = None) -> list[Melding]:
def list(self, *, limit: int | None = None, offset: int | None = None) -> list[T_co]:
...

@abstractmethod
def retrieve(self, pk: int) -> Melding | None:
def retrieve(self, pk: int) -> T_co | None:
...


class BaseMeldingRepository(BaseRepository[Melding, Melding], metaclass=ABCMeta):
"""Repository for Melding."""