def prepare(self):
"""This method is called when relation is ready to create it's
PrimaryTable"""
if self.foreign_class is None:
self.foreign_class = self.owner_class
self.owner_fk = camel2underscore(self.owner_class.__name__)
self.foreign_fk = camel2underscore(self.foreign_class.__name__)
if self.owner_fk == self.foreign_fk:
self.owner_fk = self.owner_fk + '1'
self.foreign_fk = self.foreign_fk + '2'
primary_table_clsname = (
self.owner_class.__name__ + self.foreign_class.__name__
)
primary_table_name = '{0}_{1}'.format(
self.owner_class.__table_name__, self.foreign_class.__table_name__
)
self.PrimaryTable = ObjectMeta(
primary_table_clsname, (ep.Object,), {
'__table_name__': primary_table_name,
self.owner_fk: ManyToOne(self.owner_class),
self.foreign_fk: ManyToOne(self.foreign_class),
'__pk__': (self.owner_fk + '_id', self.foreign_fk + '_id'),
}
)
def prepare(self):
"""Called when ready to create a ManyToOne on the other side"""
self.backref = self.backref or camel2underscore(
self.owner_class.__name__
)
self.foreign_field = self.foreign_class.add_field(
self.backref,
ListToOne(
foreign_class=self.owner_class
),
)
def prepare(self):
"""Called when ready to create a ManyToOne on the other side"""
self.backref = self.backref or camel2underscore(
self.owner_class.__name__
)
self.foreign_field = None
for field in self.foreign_class.fields:
if field.name == self.backref:
self.foreign_field = field
break
if not self.foreign_field:
self.foreign_field = self.foreign_class.add_field(
self.backref,
ManyToOne(
foreign_class=self.owner_class, dependent=self.dependent
),
)
