trav
549c5bf94f
Groundwork for Cassette (friend library sharing) that stands on its own: - A brand-new library (fresh data dir, or a fresh iTunes import) starts with a "New Tracks" smart playlist: added in the last 3 months, newest first. Fixed persistent id, so two machines seeding one unsynced share merge into a single playlist. - Every non-flat button, the sidebar Library button and the transport boxes get a very slight top-lit gradient computed from the live palette, with the chosen color kept exactly at its midpoint. - Tests pin that individual imports stamp date added = now even for an old file, and that the iTunes migration keeps the XML's dates.
46 lines
1.8 KiB
Python
46 lines
1.8 KiB
Python
"""Playlists a brand-new library starts with.
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Seeded once, when a library is born: a fresh empty data dir (``run_gui``) or a
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fresh iTunes import. An existing library never gains one, and a seeded playlist
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is an ordinary smart playlist afterwards — rename it, edit it, delete it.
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The persistent id is **fixed**, not random: two machines that each start a new
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library in the same (not yet synced) share both seed it, and the conflict merge
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then sees one playlist with two copies instead of two playlists both called
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"New Tracks".
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"""
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from lintunes.models import Playlist, PlaylistType
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from lintunes.models.playlist import PlaylistSettings
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from lintunes.smart import SmartCriteria, SmartGroup, SmartRule
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NEW_TRACKS_NAME = "New Tracks"
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NEW_TRACKS_PID = "4E4557545241434B" # "NEWTRACK" in hex
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def new_tracks_playlist() -> Playlist:
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"""Smart playlist of everything added in the last three months, newest
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first."""
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criteria = SmartCriteria(root=SmartGroup(conjunction="all", children=[
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SmartRule(field="date_added", operator="in_last", value=3,
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unit="months"),
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]))
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return Playlist(
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name=NEW_TRACKS_NAME,
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persistent_id=NEW_TRACKS_PID,
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playlist_type=PlaylistType.SMART,
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smart_criteria=criteria,
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settings=PlaylistSettings(sort_column="date_added",
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sort_ascending=False),
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)
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def seed_new_library(playlists: dict) -> list[Playlist]:
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"""Add the seed playlists to ``playlists`` (persistent id → Playlist)
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unless a playlist with that id is already there. Returns what was added."""
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added = []
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for playlist in (new_tracks_playlist(),):
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if playlist.persistent_id not in playlists:
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playlists[playlist.persistent_id] = playlist
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added.append(playlist)
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return added
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