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def my_local(init): | |
key = object() | |
def getter(): | |
t = _app_ctx_stack.top | |
l = getattr(t, 'my_locals') | |
if l is None: | |
t.my_locals = l = {} | |
if key not in l: | |
l[key] = init() | |
return l[key] | |
return LocalProxy(getter) | |
db = my_local(get_database) |
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