emmental/lib/tagstore.py

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# Copyright 2021 (c) Anna Schumaker.
from . import tag
class TagStore:
def __init__(self):
self.store = dict()
def add(self, name, track):
name = name.strip()
if (t := self.store.get(name)) == None:
t = tag.Tag(name)
self.store[name] = t
t.add_track(track)
return t
def remove(self, t, track):
t.remove_track(track)
if len(t) == 0 and t in self.store.values():
self.store.pop(t.name)