87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
#!/usr/bin/python3
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from . import WBZM3UData
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class WobuzzM3U:
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sort_orders = {
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"Title": WBZM3UData.SortOrder.track_title,
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"Artist": WBZM3UData.SortOrder.track_artist,
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"Album": WBZM3UData.SortOrder.track_album,
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"Genre": WBZM3UData.SortOrder.track_genre,
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"Custom": WBZM3UData.SortOrder.custom_sorting
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}
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sort_order_names = {
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WBZM3UData.SortOrder.track_title: "Title",
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WBZM3UData.SortOrder.track_artist: "Artist",
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WBZM3UData.SortOrder.track_album: "Album",
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WBZM3UData.SortOrder.track_genre: "Genre",
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WBZM3UData.SortOrder.custom_sorting: "Custom"
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}
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def __init__(self, filename: str):
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self.filename = filename
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def parse_line(self, line: str) -> WBZM3UData | None:
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if line.startswith("#"): # comments and EXTM3U/WOBUZZM3U
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if line.startswith("#WOBUZZM3U"):
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return WBZM3UData.Header()
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elif line.startswith("#SORT: "): # sort
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sorting_params = line[6:] # delete "#SORT: " from the line
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sorting = sorting_params.split(", ") # split into the sort column specifier and the sort order
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# e.g. ["Title", "Ascending"]
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if not sorting[0] in self.sort_orders:
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return None
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sort_by = self.sort_orders[sorting[0]]
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order = sorting[1] == "Ascending"
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return WBZM3UData.SortOrder(sort_by, order)
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elif line.startswith("#TRACK_TITLE: "):
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return WBZM3UData.TrackMetadata.TrackTitle(line[14:])
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elif line.startswith("#TRACK_ARTIST: "):
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return WBZM3UData.TrackMetadata.TrackArtist(line[15:])
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elif line.startswith("#TRACK_ALBUM: "):
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return WBZM3UData.TrackMetadata.TrackAlbum(line[14:])
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return None
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elif line.startswith("http"):
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return WBZM3UData.URL("URLs currently aren't supported.")
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# line contains a path
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return WBZM3UData.Path(line)
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def assemble_line(self, data: WBZM3UData) -> str | None:
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if isinstance(data, WBZM3UData.Header):
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return "#WOBUZZM3U\n"
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if isinstance(data, WBZM3UData.Path):
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return f"{data}\n"
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if isinstance(data, WBZM3UData.URL):
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return None
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if isinstance(data, WBZM3UData.SortOrder):
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direction = "Ascending" if data.ascending else "Descending"
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return f"#SORT: {self.sort_order_names[data.sort_by]}, {direction}\n"
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if isinstance(data, WBZM3UData.TrackMetadata.TrackTitle):
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return f"#TRACK_TITLE: {data}\n"
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if isinstance(data, WBZM3UData.TrackMetadata.TrackArtist):
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return f"#TRACK_ARTIST: {data}\n"
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if isinstance(data, WBZM3UData.TrackMetadata.TrackAlbum):
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return f"#TRACK_ALBUM: {data}\n"
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if isinstance(data, WBZM3UData.TrackMetadata.TrackGenre):
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return f"#TRACK_GENRE: {data}\n"
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