42 lines
1.1 KiB
Python
42 lines
1.1 KiB
Python
import inspect
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import os
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from config import Config
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from contextlib import contextmanager
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker, scoped_session
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from typing import Generator
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from log import log
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MYSQL_CONNECT = os.environ.get("MM_DB")
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if MYSQL_CONNECT is None:
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raise ValueError("MYSQL_CONNECT is undefined")
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else:
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dbname = MYSQL_CONNECT.split("/")[-1]
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log.debug(f"Database: {dbname}")
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engine = create_engine(
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MYSQL_CONNECT,
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echo=Config.DISPLAY_SQL,
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pool_pre_ping=True,
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future=True,
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connect_args={"charset": "utf8mb4"},
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)
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@contextmanager
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def Session() -> Generator[scoped_session, None, None]:
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frame = inspect.stack()[2]
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file = frame.filename
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function = frame.function
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lineno = frame.lineno
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Session = scoped_session(sessionmaker(bind=engine))
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log.debug(f"SqlA: session acquired [{hex(id(Session))}]")
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log.debug(
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f"Session acquisition: {file}:{function}:{lineno} " f"[{hex(id(Session))}]"
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)
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yield Session
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log.debug(f" SqlA: session released [{hex(id(Session))}]")
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Session.commit()
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Session.close()
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