61 lines
1.6 KiB
Python
61 lines
1.6 KiB
Python
'''
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Simple location provider, serving as a fallback when more detailed data isn't available
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'''
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from dataclasses import dataclass
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from datetime import datetime, date
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from functools import lru_cache
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from typing import Optional, Sequence, Tuple, Union
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from ..core.common import fromisoformat
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from my.config import location as L
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user_config = L.home
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DateIsh = Union[datetime, str]
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# todo hopefully reasonable? might be nice to add name or something too
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LatLon = Tuple[float, float]
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@dataclass
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class home(user_config):
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# TODO could make current Optional and somehow determine from system settings?
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# todo possibly also could be core config.. but not sure
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current: LatLon
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'''
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First element is location, the second is the date when you left it (datetime/ISO string)
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'''
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past: Sequence[Tuple[LatLon, DateIsh]] = ()
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# todo test for proper localized/not localized handling as well
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# todo make sure they are increasing
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@property
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def _past(self) -> Sequence[Tuple[LatLon, datetime]]:
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# todo cache?
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res = []
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for loc, x in self.past:
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dt: datetime
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if isinstance(x, str):
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dt = fromisoformat(x)
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else:
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dt = x
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res.append((loc, dt))
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return res
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from ..core.cfg import make_config
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config = make_config(home)
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@lru_cache(maxsize=None)
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def get_location(dt: datetime) -> LatLon:
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'''
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Interpolates the location at dt
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'''
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for loc, pdt in config._past:
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if dt <= pdt:
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return loc
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return config.current
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