app.backbone.entities.strategy

View Source

 1from sqlalchemy import Column, Integer, String
 2from . import Base
 3from sqlalchemy.orm import relationship
 4
 5# Clase que representa una tabla en la base de datos
 6class Strategy(Base):
 7    __tablename__ = 'Strategies'  # Nombre de la tabla en la BD
 8
 9    Id = Column(Integer, primary_key=True, autoincrement=True)
10    Name = Column(String, nullable=False) 
11    Description = Column(String, nullable=False)
12    MetaTraderName = Column(String(length=16), nullable=False)
13
14    Bot = relationship('Bot', back_populates='Strategy', lazy='select')
15
16
17    def __repr__(self):
18        return f"<Strategy(id={self.Id}, name='{self.Name}', description={self.Description})>"

class Strategy(sqlalchemy.orm.decl_api._DynamicAttributesType, sqlalchemy.inspection.Inspectable[sqlalchemy.orm.mapper.Mapper[typing.Any]]): View Source

 7class Strategy(Base):
 8    __tablename__ = 'Strategies'  # Nombre de la tabla en la BD
 9
10    Id = Column(Integer, primary_key=True, autoincrement=True)
11    Name = Column(String, nullable=False) 
12    Description = Column(String, nullable=False)
13    MetaTraderName = Column(String(length=16), nullable=False)
14
15    Bot = relationship('Bot', back_populates='Strategy', lazy='select')
16
17
18    def __repr__(self):
19        return f"<Strategy(id={self.Id}, name='{self.Name}', description={self.Description})>"

The base class of the class hierarchy.

When called, it accepts no arguments and returns a new featureless instance that has no instance attributes and cannot be given any.

Strategy(**kwargs)

A simple constructor that allows initialization from kwargs.

Sets attributes on the constructed instance using the names and values in kwargs.

Only keys that are present as attributes of the instance's class are allowed. These could be, for example, any mapped columns or relationships.

Name

Description

MetaTraderName

Bot