egutierrez
aef8791151
- Added Appshell component with responsive navbar and main content area - Integrated ColorSchemeToggle for light/dark mode switching - Created Welcome component with styled title and introductory text - Developed ChatPage for LLM interaction with WebSocket support - Implemented Biblioteca for managing notes with rich text editor - Added LoginPage for user authentication with error handling - Introduced MessageList and MessageBubble components for chat messages - Styled components with CSS modules for consistent design
39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
from abc import ABC, abstractmethod
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from datetime import datetime, timezone
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from sqlalchemy.orm import Session, sessionmaker
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from sqlalchemy.engine import Engine
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from sqlalchemy import create_engine, text
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from sqlalchemy.exc import SQLAlchemyError
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class ConexionBase(ABC):
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def __init__(self, uri: str):
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self.estado = "pendiente"
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self.timestamp = datetime.now(timezone.utc)
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self._engine: Engine = create_engine(uri)
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self._Session = sessionmaker(bind=self._engine)
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self._session_instance: Session | None = None
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@abstractmethod
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def get_session(self) -> Session:
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if self._session_instance is None:
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self._session_instance = self._Session()
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return self._session_instance
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@abstractmethod
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def get_engine(self) -> Engine:
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return self._engine
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def probar_conexion(self) -> bool:
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try:
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with self._engine.connect() as connection:
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connection.execute(text("SELECT 1"))
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self.estado = "exito"
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return True
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except SQLAlchemyError:
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self.estado = "fallo"
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return False
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def close(self):
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if self._session_instance is not None:
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self._session_instance.close()
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self._session_instance = None |