53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
"""Static depository fetcher.
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This module does not represent an API or other integration. This module
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contains aggregators and static depositories.
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"""
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import dataclasses
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import datetime
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import logging
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from decimal import Decimal
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import fin_defs
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from .data import DepoFetcher, DepoGroup, DepoSingle
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logger = logging.getLogger(__name__)
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@dataclasses.dataclass(frozen=True)
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class StaticDepoFetcher(DepoFetcher):
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"""Depository "fetcher" that doesn't do any fetching.
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Is given a static set of assets and will always return these directly.
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"""
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name: str
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depo_assets: dict[fin_defs.Asset, Decimal]
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last_updated: datetime.datetime = dataclasses.field(
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default_factory=lambda: datetime.datetime.now(tz=datetime.UTC),
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)
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def get_depo(self) -> DepoSingle:
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return DepoSingle(
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name=self.name,
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_assets=self.depo_assets,
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updated_time=self.last_updated,
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)
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@dataclasses.dataclass(frozen=True)
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class AggregateDepoFetcher(DepoFetcher):
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"""Depository "fetcher" that delegates to the aggregated fetchers."""
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name: str
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aggregated: list[DepoFetcher]
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def get_depo(self) -> DepoGroup:
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return DepoGroup(
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name=self.name,
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nested=[fetcher.get_depo() for fetcher in self.aggregated],
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updated_time=datetime.datetime.now(tz=datetime.UTC),
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)
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