from sqlalchemy import Column, ForeignKey, MetaData, Table
from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.ext.associationproxy import association_proxy
from sqlalchemy.orm import backref, relation
from sqlalchemy.types import *
from sqlalchemy.databases.mysql import *
version_group_id = Column(Integer, ForeignKey('version_groups.id'), nullable=False)
name = Column(Unicode(32), nullable=False)
+ generation = association_proxy('version_group', 'generation')
+
### Relations down here, to avoid ordering problems
Encounter.pokemon = relation(Pokemon, backref='encounters')
EvolutionChain.growth_rate = relation(GrowthRate, backref='evolution_chains')
+Generation.versions = relation(Version, secondary=VersionGroup.__table__)
+
LocationArea.location = relation(Location, backref='areas')
Machine.generation = relation(Generation)
==TypeEfficacy.target_type_id,
backref='target_type')
-Version.generation = relation(Generation, secondary=VersionGroup.__table__,
- backref='versions')
Version.version_group = relation(VersionGroup, backref='versions')
VersionGroup.generation = relation(Generation, backref='version_groups')