Define backref for boosters manually

eos/db/saveddata/booster.py

@@ -24,11 +24,12 @@ import datetime
 from eos.db import saveddata_meta
 from eos.saveddata.booster import Booster
 from eos.saveddata.boosterSideEffect import BoosterSideEffect
+from eos.saveddata.fit import Fit
 
 boosters_table = Table("boosters", saveddata_meta,
                        Column("ID", Integer, primary_key=True),
                        Column("itemID", Integer),
-                       Column("fitID", Integer, ForeignKey("fits.ID"), nullable=False),
+                       Column("fitID", Integer, ForeignKey("fits.ID"), nullable=False, index=True),
                        Column("active", Boolean),
                        Column("created", DateTime, nullable=True, default=datetime.datetime.now),
                        Column("modified", DateTime, nullable=True, onupdate=datetime.datetime.now),
@@ -44,6 +45,7 @@ booster_side_effect_table = Table("boosterSideEffects", saveddata_meta,
 
 mapper(Booster, boosters_table,
        properties={
+        "owner": relation(Fit),
         "_Booster__sideEffects": relation(
             BoosterSideEffect,
             backref="booster",

eos/db/saveddata/fit.py

@@ -191,7 +191,6 @@ mapper(es_Fit, fits_table,
                    Booster,
                    collection_class=HandledBoosterList,
                    cascade='all, delete, delete-orphan',
-                   backref='owner',
                    single_parent=True),
            "_Fit__drones": relation(
                    Drone,

eos/saveddata/mode.py

@@ -23,7 +23,6 @@ from eos.modifiedAttributeDict import ModifiedAttributeDict, ItemAttrShortcut
 
 class Mode(ItemAttrShortcut, HandledItem):
 
-
     def __init__(self, item, owner=None):
         if item.group.name != "Ship Modifiers":
             raise ValueError(
@@ -34,7 +33,6 @@ class Mode(ItemAttrShortcut, HandledItem):
         self.__itemModifiedAttributes.original = self.item.attributes
         self.__itemModifiedAttributes.overrides = self.item.overrides
 
-
     @property
     def item(self):
         return self.__item