72 lines
1.5 KiB
Python
Executable file
72 lines
1.5 KiB
Python
Executable file
'''
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Last.fm scrobbles
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'''
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from ..core.common import Paths
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from dataclasses import dataclass
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from my.config import lastfm as user_config
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@dataclass
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class lastfm(user_config):
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"""
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Uses [[https://github.com/karlicoss/lastfm-backup][lastfm-backup]] outputs
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"""
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export_path: Paths
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from ..core.cfg import make_config
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config = make_config(lastfm)
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from datetime import datetime
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import json
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from pathlib import Path
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from typing import NamedTuple, Any, Sequence, Iterable
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import pytz
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from ..core.common import mcachew, Json, get_files
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def inputs() -> Sequence[Path]:
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return get_files(config.export_path)
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# TODO memoised properties?
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# TODO lazy mode and eager mode?
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# lazy is a bit nicer in terms of more flexibility and less processing?
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# eager is a bit more explicit for error handling
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class Scrobble(NamedTuple):
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raw: Json
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# TODO mm, no timezone? hopefuly it's UTC
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@property
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def dt(self) -> datetime:
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ts = int(self.raw['date'])
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return datetime.fromtimestamp(ts, tz=pytz.utc)
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@property
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def artist(self) -> str:
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return self.raw['artist']
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@property
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def name(self) -> str:
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return self.raw['name']
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@property
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def track(self) -> str:
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return f'{self.artist} — {self.name}'
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# TODO __repr__, __str__
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# TODO could also be nice to make generic? maybe even depending on eagerness
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@mcachew(hashf=lambda: inputs())
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def scrobbles() -> Iterable[Scrobble]:
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last = max(inputs())
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j = json.loads(last.read_text())
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for raw in reversed(j):
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yield Scrobble(raw=raw)
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