45 lines
832 B
Python
45 lines
832 B
Python
def find(store, item_id: str):
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q = {'id': item_id}
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try:
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return store.find_one(q)
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except ValueError:
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pass
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return None
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class Model:
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def __init__(self, provider, store, file):
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super().__init__()
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self.provider = provider
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self.store = store
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self.file = file
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self.id = None
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self.url = None
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self.hash = None
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self.init()
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def init(self):
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pass
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def bake(self):
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return None
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async def is_changed(self):
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i = find(self.store, self.id)
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return self._is_changed_hash(i)
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def _is_changed_hash(self, item):
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if not item:
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return True
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if 'hash' not in item:
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return True
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return not (self.hash == item['hash'])
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async def save(self):
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pass
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