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01ae22ef57
* Replace OpenDevin with OpenHands * Update CONTRIBUTING.md * Update README.md * Update README.md * update poetry lock; move opendevin folder to openhands * fix env var * revert image references in docs * revert permissions * revert permissions --------- Co-authored-by: Xingyao Wang <xingyao6@illinois.edu>
38 lines
1.5 KiB
Python
38 lines
1.5 KiB
Python
import dataclasses
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from openhands.core import logger
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class Singleton(type):
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_instances: dict = {}
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def __call__(cls, *args, **kwargs):
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if cls not in cls._instances:
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cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
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else:
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# allow updates, just update existing instance
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# perhaps not the most orthodox way to do it, though it simplifies client code
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# useful for pre-defined groups of settings
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instance = cls._instances[cls]
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for key, value in kwargs.items():
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if hasattr(instance, key):
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setattr(instance, key, value)
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else:
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logger.openhands_logger.warning(
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f'Unknown key for {cls.__name__}: "{key}"'
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)
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return cls._instances[cls]
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@classmethod
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def reset(cls):
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# used by pytest to reset the state of the singleton instances
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for instance_type, instance in cls._instances.items():
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print('resetting... ', instance_type)
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for field_info in dataclasses.fields(instance_type):
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if dataclasses.is_dataclass(field_info.type):
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setattr(instance, field_info.name, field_info.type())
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elif field_info.default_factory is not dataclasses.MISSING:
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setattr(instance, field_info.name, field_info.default_factory())
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else:
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setattr(instance, field_info.name, field_info.default)
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