26 lines
791 B
Python
26 lines
791 B
Python
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from dataclasses import asdict, is_dataclass
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def collect_configs(*confs):
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"""
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Collect instances of dataclasses to a single dict mapping the
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classname to the values. If any of the passed objects is not a
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dataclass or if two instances of the same config class are passed,
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an error will be raised.
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:param confs: dataclasses
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:return: Dictionary mapping class names to their instances.
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"""
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result = {}
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for conf in confs:
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if not is_dataclass(conf):
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raise ValueError(f"Object {conf.__class__.__name__} is not a dataclass.")
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if conf.__class__.__name__ in result:
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raise ValueError(f"Duplicate instance of {conf.__class__.__name__} found.")
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result[conf.__class__.__name__] = asdict(conf)
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return result
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