added portfolio view

cao_blogr/models/portfolio.py

@@ -1,5 +1,6 @@
 import datetime #<- will be used to set default dates on models
 from cao_blogr.models.meta import Base  #<- we need to import our sqlalchemy metadata from which model classes will inherit
+from sqlalchemy.orm import relationship
 from sqlalchemy import (
     Column,
     Integer,
@@ -38,14 +39,17 @@ class Actifs(Base):
 class Allocation(Base):
     __tablename__ = 'allocation'
     no_cat = Column(Integer, primary_key=True)
-    classe = Column(Unicode(45), nullable=False)
+    classe_id = Column(Unicode(45), ForeignKey('classes.classe'))
     pc_cible = Column(Integer)
     pc_atteint = Column(Float)
     valeur = Column(Float)
 
+    # relationship
+    classe = relationship('Classes', backref="allocation")
+ 
 class Classes(Base):
     __tablename__ = 'classes'
-    classe = Column(Unicode, primary_key=True)
+    classe = Column(Unicode(45), primary_key=True)
     type = Column(Unicode(45), default='ACTION')
     ordre = Column(Integer)
     bg_color = Column(Unicode(45))