Created
September 20, 2010 14:02
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#!/bin/env python | |
# -*- coding: iso-8859-15 -*- | |
from sqlalchemy import create_engine, ForeignKey, MetaData, Column, Integer, String, Numeric, DateTime, Boolean | |
from sqlalchemy.orm import mapper, sessionmaker, validates, relation, synonym | |
from sqlalchemy.ext.declarative import declarative_base | |
from datetime import datetime | |
from factura import config as config_ini | |
Base = declarative_base() | |
engine = create_engine(config_ini["DB"]["url"]) | |
session = sessionmaker( bind = engine )() | |
class Factura(Base): | |
__tablename__ = "facturas" | |
id = Column( Integer, primary_key = True ) | |
folio = Column( Integer, unique = True ) | |
fecha = Column( DateTime ) | |
aprobacion = Column( Integer ) | |
ano_aprobacion = Column( Integer ) | |
certificado = Column(String(20)) | |
cliente = Column( Integer , ForeignKey( "clientes.id")) | |
porcentaje_iva = Column( Numeric(6,3)) | |
porcentaje_retencion_iva = Column( Numeric(6,3)) | |
porcentaje_retencion_isr = Column( Numeric(6,3)) | |
porcentaje_descuento = Column( Numeric(6,3)) | |
forma_de_pago = Column( String(50)) | |
generada = Column( Boolean, default = False) # sirve de bandera para saber si se genero la factura electronica o no | |
partidas = relation("PartidaFactura", backref="mi_factura") | |
porcentaje = synonym("porcentaje_iva") | |
@property | |
def fecha_iso(self): | |
return self.fecha.isoformat().split(".")[0] | |
@property | |
def fecha_reporte(self): | |
fecha = "{0:02d}/{1:02d}/{2:04d} {3:02d}:{4:02d}:{5:02d}".format(self.fecha.day, self.fecha.month, self.fecha.year, self.fecha.minute, self.fecha.minute, self.fecha.second) | |
return fecha | |
def __init__(self, folio = 1, fecha = datetime.now(), aprobacion = None, ano_aprobacion = None, certificado = None, cliente = 1, porcentaje_iva = None, forma_de_pago = None, porcentaje_descuento = None, porcentaje_retencion_iva = None, porcentaje_retencion_isr = None): | |
g = session.query(General).order_by(General.id.desc()).one() | |
self.folio = folio | |
self.fecha = fecha |
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