Add the VersionGroupPokemonMoveMethod table

pokedex/data/csv/version_group_pokemon_move_methods.csv

@@ -0,0 +1,54 @@
+version_group_id,pokemon_move_method_id
+1,1
+1,4
+1,5
+2,1
+2,4
+2,5
+3,1
+3,2
+3,4
+4,1
+4,2
+4,3
+4,4
+5,1
+5,2
+5,4
+5,6
+6,1
+6,2
+6,3
+6,4
+6,6
+7,1
+7,2
+7,3
+7,4
+7,6
+8,1
+8,2
+8,3
+8,4
+8,6
+9,1
+9,2
+9,3
+9,4
+9,6
+9,10
+10,1
+10,2
+10,3
+10,4
+10,6
+10,10
+11,1
+11,2
+11,3
+11,4
+11,6
+11,10
+12,1
+13,1
+13,3

pokedex/db/tables.py

@@ -1590,6 +1590,18 @@ class VersionGroup(TableBase):
     order = Column(Integer, nullable=True,
         info=dict(description=u"Order for sorting. Almost by date of release, except similar versions are grouped together."))
 
+class VersionGroupPokemonMoveMethod(TableBase):
+    u"""Maps a version group to a move learn methods it supports.
+
+    "Supporting" means simply that the method appears in the game.
+    For example, Breeding didn't exist in Gen.I, so it's not in this table.
+    """
+    __tablename__ = 'version_group_pokemon_move_methods'
+    version_group_id = Column(Integer, ForeignKey('version_groups.id'), primary_key=True, nullable=False,
+        info=dict(description=u"The ID of the version group."))
+    pokemon_move_method_id = Column(Integer, ForeignKey('pokemon_move_methods.id'), primary_key=True, nullable=False,
+        info=dict(description=u"The ID of the move method."))
+
 class VersionGroupRegion(TableBase):
     u"""Maps a version group to a region that appears in it."""
     __tablename__ = 'version_group_regions'
@@ -2109,3 +2121,14 @@ VersionGroup.generation = relationship(Generation,
 VersionGroup.version_group_regions = relationship(VersionGroupRegion,
     backref='version_group')
 VersionGroup.regions = association_proxy('version_group_regions', 'region')
+VersionGroup.pokemon_move_methods = relationship(PokemonMoveMethod,
+    secondary=VersionGroupPokemonMoveMethod.__table__,
+    primaryjoin=and_(VersionGroup.id == VersionGroupPokemonMoveMethod.version_group_id),
+    secondaryjoin=and_(PokemonMoveMethod.id == VersionGroupPokemonMoveMethod.pokemon_move_method_id),
+    backref="version_groups")
+
+
+VersionGroupPokemonMoveMethod.version_group = relationship(VersionGroup,
+    backref='version_group_move_methods')
+VersionGroupPokemonMoveMethod.pokemon_move_method = relationship(PokemonMoveMethod,
+    backref='version_group_move_methods')

scripts/version-group-pokemon-move-methods.py

@@ -0,0 +1,35 @@
+# Encoding: UTF-8
+"""Fill the version_group_pokemon_move_methods table
+
+This is an unmaintained one-shot script, only included in the repo for reference.
+
+
+"""
+
+
+from sqlalchemy.sql import exists, func
+from sqlalchemy.orm import lazyload
+from sqlalchemy import and_, or_, not_
+
+from pokedex.db import connect, tables, load
+
+session = connect()
+
+session.query(tables.VersionGroupPokemonMoveMethod).delete()
+
+q = session.query(tables.VersionGroup, tables.PokemonMoveMethod)
+q = q.filter(exists().where(and_(
+        tables.PokemonMove.pokemon_move_method_id == tables.PokemonMoveMethod.id,
+        tables.PokemonMove.version_group_id == tables.VersionGroup.id)))
+q = q.options(lazyload('*'))
+for version_group, pokemon_move_method in q:
+    entry = tables.VersionGroupPokemonMoveMethod(
+            version_group=version_group,
+            pokemon_move_method=pokemon_move_method,
+        )
+    session.add(entry)
+
+
+load.dump(session, tables=['version_group_pokemon_move_methods'])
+print "Dumped to CSV, rolling back transaction"
+session.rollback()