Remove a bunch of imports from tables.py.

[zzz-pokedex.git] / pokedex / db / tables.py

diff --git a/pokedex/db/tables.py b/pokedex/db/tables.py
index ae3cb99..f0e60bf 100644 (file)
--- a/pokedex/db/tables.py
+++ b/pokedex/db/tables.py
@@ -30,22 +30,14 @@ import collections
 from functools import partial
 
 from sqlalchemy import Column, ForeignKey, MetaData, PrimaryKeyConstraint, Table, UniqueConstraint
 from functools import partial
 
 from sqlalchemy import Column, ForeignKey, MetaData, PrimaryKeyConstraint, Table, UniqueConstraint

-from sqlalchemy.ext.declarative import (
-        declarative_base, declared_attr, DeclarativeMeta,
-    )
+from sqlalchemy.ext.declarative import declarative_base

 from sqlalchemy.ext.associationproxy import association_proxy
 from sqlalchemy.ext.associationproxy import association_proxy

-from sqlalchemy.orm import (
-        backref, compile_mappers, eagerload_all, relation, class_mapper, synonym, mapper,
-    )
-from sqlalchemy.orm.session import Session, object_session
+from sqlalchemy.orm import backref, relation
+from sqlalchemy.orm.session import Session

 from sqlalchemy.orm.interfaces import AttributeExtension
 from sqlalchemy.orm.interfaces import AttributeExtension

-from sqlalchemy.orm.collections import attribute_mapped_collection, MappedCollection, collection, collection_adapter
-from sqlalchemy.ext.associationproxy import _AssociationDict, association_proxy

 from sqlalchemy.sql import and_
 from sqlalchemy.sql import and_

-from sqlalchemy.sql.expression import ColumnOperators, bindparam

 from sqlalchemy.schema import ColumnDefault
 from sqlalchemy.types import *
 from sqlalchemy.schema import ColumnDefault
 from sqlalchemy.types import *

-from inspect import isclass

 
 from pokedex.db import markdown, multilang
 
 
 from pokedex.db import markdown, multilang
 


@@ -99,7 +91,7 @@ class Language(TableBase):
 
 create_translation_table = partial(multilang.create_translation_table, language_class=Language)
 
 
 create_translation_table = partial(multilang.create_translation_table, language_class=Language)
 

-create_translation_table('language_texts', Language, 'names',
+create_translation_table('language_names', Language, 'names',

     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -118,7 +110,7 @@ class Ability(TableBase):
     generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False,
         info=dict(description="The ID of the generation this ability was introduced in", detail=True))
 
     generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False,
         info=dict(description="The ID of the generation this ability was introduced in", detail=True))
 

-create_translation_table('ability_texts', Ability, 'names',
+create_translation_table('ability_names', Ability, 'names',

     name = Column(Unicode(24), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(24), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -195,7 +187,7 @@ class BerryFirmness(TableBase):
     identifier = Column(Unicode(10), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 
     identifier = Column(Unicode(10), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 

-create_translation_table('berry_firmness_texts', BerryFirmness, 'names',
+create_translation_table('berry_firmness_names', BerryFirmness, 'names',

     name = Column(Unicode(10), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(10), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -233,10 +225,10 @@ class ContestEffect(TableBase):
         info=dict(description="The base number of hearts the user's opponent loses"))
 
 create_translation_table('contest_effect_prose', ContestEffect, 'prose',
         info=dict(description="The base number of hearts the user's opponent loses"))
 
 create_translation_table('contest_effect_prose', ContestEffect, 'prose',

-    effect = Column(Unicode(255), nullable=False,
-        info=dict(description="A detailed description of the effect", format='plaintext')),

     flavor_text = Column(Unicode(64), nullable=False,
         info=dict(description="The in-game description of this effect", official=True, format='gametext')),
     flavor_text = Column(Unicode(64), nullable=False,
         info=dict(description="The in-game description of this effect", official=True, format='gametext')),

+    effect = Column(Unicode(255), nullable=False,
+        info=dict(description="A detailed description of the effect", format='plaintext')),

 )
 
 class ContestType(TableBase):
 )
 
 class ContestType(TableBase):


@@ -249,13 +241,13 @@ class ContestType(TableBase):
     identifier = Column(Unicode(6), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 
     identifier = Column(Unicode(6), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 

-create_translation_table('contest_type_texts', ContestType, 'names',
+create_translation_table('contest_type_names', ContestType, 'names',
+    name = Column(Unicode(6), nullable=False, index=True,
+        info=dict(description="The name", format='plaintext', official=True)),

     flavor = Column(Unicode(6), nullable=False,
         info=dict(description="The name of the corresponding Berry flavor", official=True, format='plaintext')),
     color = Column(Unicode(6), nullable=False,
         info=dict(description=u"The name of the corresponding Pokéblock color", official=True, format='plaintext')),
     flavor = Column(Unicode(6), nullable=False,
         info=dict(description="The name of the corresponding Berry flavor", official=True, format='plaintext')),
     color = Column(Unicode(6), nullable=False,
         info=dict(description=u"The name of the corresponding Pokéblock color", official=True, format='plaintext')),

-    name = Column(Unicode(6), nullable=False, index=True,
-        info=dict(description="The name", format='plaintext', official=True)),

 )
 
 class EggGroup(TableBase):
 )
 
 class EggGroup(TableBase):


@@ -446,7 +438,7 @@ class Generation(TableBase):
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description=u'An identifier', format='identifier'))
 
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description=u'An identifier', format='identifier'))
 

-create_translation_table('generation_texts', Generation, 'names',
+create_translation_table('generation_names', Generation, 'names',

     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -492,7 +484,7 @@ class Item(TableBase):
         """
         return any(flag.identifier == u'underground' for flag in self.flags)
 
         """
         return any(flag.identifier == u'underground' for flag in self.flags)
 

-create_translation_table('item_texts', Item, 'names',
+create_translation_table('item_names', Item, 'names',

     name = Column(Unicode(20), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(20), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -574,15 +566,15 @@ create_translation_table('item_fling_effect_prose', ItemFlingEffect, 'prose',
         info=dict(description="Description of the effect", format='plaintext')),
 )
 
         info=dict(description="Description of the effect", format='plaintext')),
 )
 

-class ItemInternalID(TableBase):
+class ItemGameIndex(TableBase):

     u"""The internal ID number a game uses for an item
     """
     u"""The internal ID number a game uses for an item
     """

-    __tablename__ = 'item_internal_ids'
+    __tablename__ = 'item_game_indices'

     item_id = Column(Integer, ForeignKey('items.id'), primary_key=True, autoincrement=False, nullable=False,
         info=dict(description="The database ID of the item"))
     generation_id = Column(Integer, ForeignKey('generations.id'), primary_key=True, autoincrement=False, nullable=False,
         info=dict(description="ID of the generation of games"))
     item_id = Column(Integer, ForeignKey('items.id'), primary_key=True, autoincrement=False, nullable=False,
         info=dict(description="The database ID of the item"))
     generation_id = Column(Integer, ForeignKey('generations.id'), primary_key=True, autoincrement=False, nullable=False,
         info=dict(description="ID of the generation of games"))

-    internal_id = Column(Integer, nullable=False,
+    game_index = Column(Integer, nullable=False,

         info=dict(description="Internal ID of the item in the generation"))
 
 class ItemPocket(TableBase):
         info=dict(description="Internal ID of the item in the generation"))
 
 class ItemPocket(TableBase):


@@ -595,7 +587,7 @@ class ItemPocket(TableBase):
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description="An identifier of this pocket", format='identifier'))
 
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description="An identifier of this pocket", format='identifier'))
 

-create_translation_table('item_pocket_texts', ItemPocket, 'names',
+create_translation_table('item_pocket_names', ItemPocket, 'names',

     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -612,7 +604,7 @@ class Location(TableBase):
     identifier = Column(Unicode(64), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 
     identifier = Column(Unicode(64), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 

-create_translation_table('location_texts', Location, 'names',
+create_translation_table('location_names', Location, 'names',

     name = Column(Unicode(64), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(64), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -626,7 +618,7 @@ class LocationArea(TableBase):
         info=dict(description="A numeric ID"))
     location_id = Column(Integer, ForeignKey('locations.id'), nullable=False,
         info=dict(description="ID of the location this area is part of"))
         info=dict(description="A numeric ID"))
     location_id = Column(Integer, ForeignKey('locations.id'), nullable=False,
         info=dict(description="ID of the location this area is part of"))

-    internal_id = Column(Integer, nullable=False,
+    game_index = Column(Integer, nullable=False,

         info=dict(description="ID the games ude for this area"))
     identifier = Column(Unicode(64), nullable=True,
         info=dict(description="An identifier", format='identifier'))
         info=dict(description="ID the games ude for this area"))
     identifier = Column(Unicode(64), nullable=True,
         info=dict(description="An identifier", format='identifier'))


@@ -648,15 +640,15 @@ class LocationAreaEncounterRate(TableBase):
     rate = Column(Integer, nullable=True,
         info=dict(description="The encounter rate"))  # units?
 
     rate = Column(Integer, nullable=True,
         info=dict(description="The encounter rate"))  # units?
 

-class LocationInternalID(TableBase):
+class LocationGameIndex(TableBase):

     u"""IDs the games use internally for locations
     """
     u"""IDs the games use internally for locations
     """

-    __tablename__ = 'location_internal_ids'
+    __tablename__ = 'location_game_indices'

     location_id = Column(Integer, ForeignKey('locations.id'), nullable=False, primary_key=True,
         info=dict(description="Database ID of the locaion"))
     generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False, primary_key=True,
         info=dict(description="ID of the generation this entry to"))
     location_id = Column(Integer, ForeignKey('locations.id'), nullable=False, primary_key=True,
         info=dict(description="Database ID of the locaion"))
     generation_id = Column(Integer, ForeignKey('generations.id'), nullable=False, primary_key=True,
         info=dict(description="ID of the generation this entry to"))

-    internal_id = Column(Integer, nullable=False,
+    game_index = Column(Integer, nullable=False,

         info=dict(description="Internal game ID of the location"))
 
 class Machine(TableBase):
         info=dict(description="Internal game ID of the location"))
 
 class Machine(TableBase):


@@ -855,7 +847,7 @@ class MoveMetaAilment(TableBase):
     identifier = Column(Unicode(24), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 
     identifier = Column(Unicode(24), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 

-create_translation_table('move_meta_ailment_texts', MoveMetaAilment, 'names',
+create_translation_table('move_meta_ailment_names', MoveMetaAilment, 'names',

     name = Column(Unicode(24), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(24), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -935,7 +927,7 @@ class Move(TableBase):
     super_contest_effect_id = Column(Integer, ForeignKey('super_contest_effects.id'), nullable=True,
         info=dict(description="ID of the move's Super Contest effect"))
 
     super_contest_effect_id = Column(Integer, ForeignKey('super_contest_effects.id'), nullable=True,
         info=dict(description="ID of the move's Super Contest effect"))
 

-create_translation_table('move_texts', Move, 'names',
+create_translation_table('move_names', Move, 'names',

     name = Column(Unicode(24), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True))
 )
     name = Column(Unicode(24), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True))
 )


@@ -987,7 +979,7 @@ class Nature(TableBase):
         """
         return self.increased_stat_id == self.decreased_stat_id
 
         """
         return self.increased_stat_id == self.decreased_stat_id
 

-create_translation_table('nature_texts', Nature, 'names',
+create_translation_table('nature_names', Nature, 'names',

     name = Column(Unicode(8), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(8), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -1029,7 +1021,7 @@ class PokeathlonStat(TableBase):
     identifier = Column(Unicode(8), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 
     identifier = Column(Unicode(8), nullable=False,
         info=dict(description="An identifier", format='identifier'))
 

-create_translation_table('pokeathlon_stat_texts', PokeathlonStat, 'names',
+create_translation_table('pokeathlon_stat_names', PokeathlonStat, 'names',

     name = Column(Unicode(8), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(8), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -1175,7 +1167,7 @@ class Pokemon(TableBase):
         else:
             return None
 
         else:
             return None
 

-create_translation_table('pokemon_texts', Pokemon, 'names',
+create_translation_table('pokemon_names', Pokemon, 'names',

     name = Column(Unicode(20), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
     species = Column(Unicode(16), nullable=False,
     name = Column(Unicode(20), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
     species = Column(Unicode(16), nullable=False,


@@ -1209,7 +1201,7 @@ class PokemonColor(TableBase):
     identifier = Column(Unicode(6), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
 
     identifier = Column(Unicode(6), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
 

-create_translation_table('pokemon_color_texts', PokemonColor, 'names',
+create_translation_table('pokemon_color_names', PokemonColor, 'names',

     name = Column(Unicode(6), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(6), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -1337,7 +1329,7 @@ class PokemonForm(TableBase):
         else:
             return self.form_base_pokemon.name
 
         else:
             return self.form_base_pokemon.name
 

-create_translation_table('pokemon_form_texts', PokemonForm, 'names',
+create_translation_table('pokemon_form_names', PokemonForm, 'names',

     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -1384,20 +1376,20 @@ class PokemonHabitat(TableBase):
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
 
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
 

-create_translation_table('pokemon_habitat_texts', PokemonHabitat, 'names',
+create_translation_table('pokemon_habitat_names', PokemonHabitat, 'names',

     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
 
     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
 

-class PokemonInternalID(TableBase):
+class PokemonGameIndex(TableBase):

     u"""The number of a Pokémon a game uses internally
     """
     u"""The number of a Pokémon a game uses internally
     """

-    __tablename__ = 'pokemon_internal_ids'
+    __tablename__ = 'pokemon_game_indices'

     pokemon_id = Column(Integer, ForeignKey('pokemon.id'), primary_key=True, autoincrement=False, nullable=False,
         info=dict(description=u"Database ID of the Pokémon"))
     generation_id = Column(Integer, ForeignKey('generations.id'), primary_key=True, autoincrement=False, nullable=False,
         info=dict(description=u"Database ID of the generation"))
     pokemon_id = Column(Integer, ForeignKey('pokemon.id'), primary_key=True, autoincrement=False, nullable=False,
         info=dict(description=u"Database ID of the Pokémon"))
     generation_id = Column(Integer, ForeignKey('generations.id'), primary_key=True, autoincrement=False, nullable=False,
         info=dict(description=u"Database ID of the generation"))

-    internal_id = Column(Integer, nullable=False,
+    game_index = Column(Integer, nullable=False,

         info=dict(description=u"Internal ID the generation's games use for the Pokémon"))
 
 class PokemonItem(TableBase):
         info=dict(description=u"Internal ID the generation's games use for the Pokémon"))
 
 class PokemonItem(TableBase):


@@ -1464,10 +1456,10 @@ class PokemonShape(TableBase):
         info=dict(description=u"An identifier", format='identifier'))
 
 create_translation_table('pokemon_shape_prose', PokemonShape, 'prose',
         info=dict(description=u"An identifier", format='identifier'))
 
 create_translation_table('pokemon_shape_prose', PokemonShape, 'prose',

-    awesome_name = Column(Unicode(16), nullable=False,
-        info=dict(description=u"A splendiferous name of the body shape", format='plaintext')),

     name = Column(Unicode(24), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=False)),
     name = Column(Unicode(24), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=False)),

+    awesome_name = Column(Unicode(16), nullable=False,
+        info=dict(description=u"A splendiferous name of the body shape", format='plaintext')),

 )
 
 class PokemonStat(TableBase):
 )
 
 class PokemonStat(TableBase):


@@ -1504,7 +1496,7 @@ class Region(TableBase):
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
 
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
 

-create_translation_table('region_texts', Region, 'names',
+create_translation_table('region_names', Region, 'names',

     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -1521,7 +1513,7 @@ class Stat(TableBase):
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
 
     identifier = Column(Unicode(16), nullable=False,
         info=dict(description=u"An identifier", format='identifier'))
 

-create_translation_table('stat_texts', Stat, 'names',
+create_translation_table('stat_names', Stat, 'names',

     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(16), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -1539,7 +1531,7 @@ class StatHint(TableBase):
     gene_mod_5 = Column(Integer, nullable=False, index=True,
         info=dict(description=u"Value of the highest stat modulo 5"))
 
     gene_mod_5 = Column(Integer, nullable=False, index=True,
         info=dict(description=u"Value of the highest stat modulo 5"))
 

-create_translation_table('stat_hint_texts', StatHint, 'names',
+create_translation_table('stat_hint_names', StatHint, 'names',

     message = Column(Unicode(24), nullable=False, index=True,
         info=dict(description=u"The text displayed", official=True, format='plaintext')),
 )
     message = Column(Unicode(24), nullable=False, index=True,
         info=dict(description=u"The text displayed", official=True, format='plaintext')),
 )


@@ -1594,7 +1586,7 @@ class Type(TableBase):
     damage_class_id = Column(Integer, ForeignKey('move_damage_classes.id'), nullable=True,
         info=dict(description=u"The ID of the damage class this type's moves had before Generation IV, null if not applicable (e.g. ???)."))
 
     damage_class_id = Column(Integer, ForeignKey('move_damage_classes.id'), nullable=True,
         info=dict(description=u"The ID of the damage class this type's moves had before Generation IV, null if not applicable (e.g. ???)."))
 

-create_translation_table('type_texts', Type, 'names',
+create_translation_table('type_names', Type, 'names',

     name = Column(Unicode(12), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(12), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -1630,7 +1622,7 @@ class Version(TableBase):
     identifier = Column(Unicode(32), nullable=False,
         info=dict(description=u'And identifier', format='identifier'))
 
     identifier = Column(Unicode(32), nullable=False,
         info=dict(description=u'And identifier', format='identifier'))
 

-create_translation_table('version_texts', Version, 'names',
+create_translation_table('version_names', Version, 'names',

     name = Column(Unicode(32), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )
     name = Column(Unicode(32), nullable=False, index=True,
         info=dict(description="The name", format='plaintext', official=True)),
 )


@@ -1726,8 +1718,8 @@ ItemCategory.pocket = relation(ItemPocket)
 ItemFlavorText.version_group = relation(VersionGroup)
 ItemFlavorText.language = relation(Language)
 
 ItemFlavorText.version_group = relation(VersionGroup)
 ItemFlavorText.language = relation(Language)
 

-ItemInternalID.item = relation(Item, backref='internal_ids')
-ItemInternalID.generation = relation(Generation)
+ItemGameIndex.item = relation(Item, backref='game_indices')
+ItemGameIndex.generation = relation(Generation)

 
 ItemPocket.categories = relation(ItemCategory, order_by=ItemCategory.identifier)
 
 
 ItemPocket.categories = relation(ItemCategory, order_by=ItemCategory.identifier)
 


@@ -1735,8 +1727,8 @@ Location.region = relation(Region, backref='locations')
 
 LocationArea.location = relation(Location, backref='areas')
 
 
 LocationArea.location = relation(Location, backref='areas')
 

-LocationInternalID.location = relation(Location, backref='internal_ids')
-LocationInternalID.generation = relation(Generation)
+LocationGameIndex.location = relation(Location, backref='game_indices')
+LocationGameIndex.generation = relation(Generation)

 
 Machine.item = relation(Item)
 Machine.version_group = relation(VersionGroup)
 
 Machine.item = relation(Item)
 Machine.version_group = relation(VersionGroup)