32 lines
1.0 KiB
Python
32 lines
1.0 KiB
Python
# Copyright 2024 (c) Anna Schumaker.
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"""Our ListenBrainz operation priority queue."""
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class Queue:
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"""A queue for prioritizing ListenBrainz operations."""
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def __init__(self):
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"""Initialize the task Queue."""
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self._set_token = None
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self._now_playing = None
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def clear(self, op: str) -> None:
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"""Clear a pending operation."""
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match op:
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case "clear-token" | "set-token": self._set_token = None
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case "now-playing": self._now_playing = None
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def push(self, op: str, *args) -> None:
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"""Push an operation onto the queue."""
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match op:
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case "clear-token" | "set-token": self._set_token = (op, *args)
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case "now-playing": self._now_playing = (op, *args)
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def pop(self) -> tuple:
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"""Pop an operation off the queue."""
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if (res := self._set_token) is not None:
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self._set_token = None
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elif (res := self._now_playing) is not None:
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self._now_playing = None
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return res
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