57 lines
1.9 KiB
Python
57 lines
1.9 KiB
Python
"""
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Shared controller resources module
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Each of the objects in this module should be instantiated ONCE
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and only ONCE!
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"""
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from argparse import Namespace
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from typing import Optional
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from legendary.core import LegendaryCore
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from rare.models.apiresults import ApiResults
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from rare.models.signals import GlobalSignals
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_legendary_core_singleton: Optional[LegendaryCore] = None
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_global_signals_singleton: Optional[GlobalSignals] = None
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_arguments_singleton: Optional[Namespace] = None
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_api_results_singleton: Optional[ApiResults] = None
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def LegendaryCoreSingleton(init: bool = False) -> LegendaryCore:
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global _legendary_core_singleton
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if _legendary_core_singleton is None and not init:
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raise RuntimeError("Uninitialized use of LegendaryCoreSingleton")
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if _legendary_core_singleton is None:
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_legendary_core_singleton = LegendaryCore()
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return _legendary_core_singleton
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def GlobalSignalsSingleton(init: bool = False) -> GlobalSignals:
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global _global_signals_singleton
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if _global_signals_singleton is None and not init:
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raise RuntimeError("Uninitialized use of GlobalSignalsSingleton")
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if _global_signals_singleton is None:
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_global_signals_singleton = GlobalSignals()
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return _global_signals_singleton
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def ArgumentsSingleton(args: Namespace = None) -> Optional[Namespace]:
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global _arguments_singleton
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if _arguments_singleton is None and args is None:
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raise RuntimeError("Uninitialized use of ArgumentsSingleton")
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if _arguments_singleton is None:
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_arguments_singleton = args
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return _arguments_singleton
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def ApiResultsSingleton(res: ApiResults = None) -> Optional[ApiResults]:
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global _api_results_singleton
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if _api_results_singleton is None and res is None:
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raise RuntimeError("Uninitialized use of ApiResultsSingleton")
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if _api_results_singleton is None:
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_api_results_singleton = res
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return _api_results_singleton
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