68 lines
1.7 KiB
Python
68 lines
1.7 KiB
Python
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from sqlite3 import Row
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from typing import Any, Generator, Generic, ItemsView, TypeVar, TYPE_CHECKING
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from .fields import BrickRecordFields
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from .sql import BrickSQL
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if TYPE_CHECKING:
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from .minifigure import BrickMinifigure
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from .part import BrickPart
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from .set import BrickSet
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from .wish import BrickWish
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T = TypeVar('T', 'BrickSet', 'BrickPart', 'BrickMinifigure', 'BrickWish')
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# SQLite records
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class BrickRecordList(Generic[T]):
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select_query: str
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records: list[T]
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# Fields
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fields: BrickRecordFields
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def __init__(self, /):
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self.fields = BrickRecordFields()
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self.records = []
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# Shorthand to field items
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def items(self, /) -> ItemsView[str, Any]:
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return self.fields.__dict__.items()
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# Get all from the database
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def select(
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self,
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/,
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override_query: str | None = None,
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order: str | None = None,
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limit: int | None = None,
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) -> list[Row]:
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# Select the query
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if override_query:
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query = override_query
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else:
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query = self.select_query
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return BrickSQL().fetchall(
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query,
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parameters=self.sql_parameters(),
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order=order,
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limit=limit,
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)
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# Generic SQL parameters from fields
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def sql_parameters(self, /) -> dict[str, Any]:
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parameters: dict[str, Any] = {}
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for name, value in self.items():
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parameters[name] = value
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return parameters
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# Make the list iterable
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def __iter__(self, /) -> Generator[T, Any, Any]:
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for record in self.records:
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yield record
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# Make the sets measurable
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def __len__(self, /) -> int:
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return len(self.records)
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