45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
from typing import Optional
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from sqlalchemy import create_engine
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from sqlalchemy.engine import Engine
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from actions.env.env_config_loader import EnvConfigLoader
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class Firebird:
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_engine: Optional[Engine] = None
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@classmethod
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def get_engine(cls) -> Engine:
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# Instancia o loader com o prefixo correto
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env_database = EnvConfigLoader(prefix="ORIUS_API_FDB")
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print(env_database)
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# Cria a engine apenas uma vez
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if cls._engine is None:
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# DSN para o SQLAlchemy usando firebird-driver
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dsn = (
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f"firebird+firebird://{env_database.user}:"
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f"{env_database.password}@"
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f"{env_database.host}:"
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f"{env_database.port}/"
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f"{env_database.name}"
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)
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# Criação da engine SQLAlchemy
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cls._engine = create_engine(
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dsn,
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connect_args={"charset": env_database.charset},
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pool_pre_ping=bool(env_database.pool_pre_ping),
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pool_size=env_database.pool_size,
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max_overflow=env_database.pool_max_overflow,
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)
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return cls._engine
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@classmethod
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def dispose(cls):
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if cls._engine:
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cls._engine.dispose()
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cls._engine = None
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