2021-06-21 12:36:46 -04:00
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# Copyright 2021 (c) Anna Schumaker.
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2021-06-28 11:12:14 -04:00
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from . import publisher
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import threading
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class Tag:
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def __init__(self, name, sort=None):
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self.name = name
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self.sort = sort.lower() if sort else str(name).lower()
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self.tracks = [ ]
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self.widgets = None
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self.lock = threading.Lock()
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self.TrackAdded = publisher.Publisher()
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self.TrackRemoved = publisher.Publisher()
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def __getstate__(self):
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with self.lock:
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return { "name" : self.name,
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"sort" : self.sort,
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"tracks" : [ t.trackid for t in self.tracks ] }
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def __len__(self):
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with self.lock:
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return len(self.tracks)
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def __lt__(self, rhs):
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if not isinstance(rhs, SuperTag):
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return self.sort < rhs.sort
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if self == rhs.parent:
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return True
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return self.sort < rhs.parent.sort
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def __setstate__(self, state):
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self.name = state["name"]
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self.sort = state["sort"]
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self.tracks = state["tracks"]
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self.widgets = None
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self.lock = threading.Lock()
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self.TrackAdded = publisher.Publisher()
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self.TrackRemoved = publisher.Publisher()
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def __str__(self):
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return self.name
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def add_track(self, track):
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with self.lock:
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self.tracks.append(track)
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self.TrackAdded.publish(self, track)
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def get_header(self):
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return self.sort[0].upper() if len(self.sort) > 0 else ""
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def init_track(self, track):
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with self.lock:
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try:
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i = self.tracks.index(track.trackid)
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self.tracks[i] = track
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except Exception as e:
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pass
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def remove_track(self, track):
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with self.lock:
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self.tracks.remove(track)
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self.TrackRemoved.publish(self, track)
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class SuperTag(Tag):
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def __init__(self, parent, name, sort=None):
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Tag.__init__(self, name, sort)
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self.parent = parent
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def __getstate__(self):
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with self.lock:
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return { "name" : self.name,
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"sort" : self.sort,
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"tracks" : [ t.trackid for t in self.tracks ],
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"parent" : self.parent }
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def __lt__(self, rhs):
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if not isinstance(rhs, SuperTag):
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return self.parent.sort < rhs.sort
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if self.parent != rhs.parent:
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return self.parent < rhs.parent
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return self.sort < rhs.sort
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def __setstate__(self, state):
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Tag.__setstate__(self, state)
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self.parent = state["parent"]
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