36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
# Copyright 2019 (c) Anna Schumaker.
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class Playlist(list):
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notifications = dict()
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def __init__(self, name):
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self.name = name
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def add(self, track):
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if track is not None:
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self.append(track)
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self.notify("on-add", track)
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def never_mind(name, func):
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cb = Playlist.notifications.get(name, [])
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if func in cb:
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cb.remove(func)
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def notify_me(name, func):
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Playlist.notifications.setdefault(name, []).append(func)
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def notify(self, name, *args):
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for cb in Playlist.notifications.get(name, []):
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cb(self, *args)
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def runtime(self):
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m, s = divmod(sum([ track.length for track in self ]), 60)
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h, m = divmod(m, 60)
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d, h = divmod(h, 24)
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res = [ ]
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if d > 0: res.append(f"{int(d)} day{'s' if d != 1 else ''}")
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if h > 0: res.append(f"{int(h)} hour{'s' if h != 1 else ''}")
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if m > 0: res.append(f"{int(m)} minute{'s' if m != 1 else ''}")
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if s > 0: res.append(f"{int(s)} second{'s' if s != 1 else ''}")
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return ", ".join(res)
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