18 lines
552 B
Python
18 lines
552 B
Python
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def singleton(cls):
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"""
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Decorator for making a class a singleton.
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This ensures that only one instance of the class exists.
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"""
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instances = {} # Dictionary to store the instance of the singleton class
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def get_instance(*args, **kwargs):
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"""
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If an instance of the class does not exist, create one and store it.
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If it exists, return the existing instance.
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"""
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if cls not in instances:
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instances[cls] = cls(*args, **kwargs)
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return instances[cls]
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return get_instance
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