Start implementing support for mutaplasmids.

* There's a new table `mutators` that has an FK back to a module, and links to an attribute ID with it's new value
* Fixes an issue in the item state where the "base" value showed the literal base value for the attribute, regardless of override / mutators
* If there is an override and a mutated attribute, mutated value takes effect

eos/db/__init__.py

@@ -77,7 +77,7 @@ sd_lock = threading.RLock()
 from eos.db.gamedata import alphaClones, attribute, category, effect, group, icon, item, marketGroup, metaData, metaGroup, queries, traits, unit
 # noinspection PyPep8
 from eos.db.saveddata import booster, cargo, character, damagePattern, databaseRepair, drone, fighter, fit, implant, implantSet, loadDefaultDatabaseValues, \
-    miscData, module, override, price, queries, skill, targetResists, user
+    miscData, mutator, module, override, price, queries, skill, targetResists, user
 
 # Import queries
 # noinspection PyPep8

eos/db/saveddata/__init__.py

@@ -1,6 +1,7 @@
 __all__ = [
     "character",
     "fit",
+    "mutator",
     "module",
     "user",
     "skill",

eos/db/saveddata/module.py

@@ -23,6 +23,7 @@ import datetime
 
 from eos.db import saveddata_meta
 from eos.saveddata.module import Module
+from eos.saveddata.mutator import Mutator
 from eos.saveddata.fit import Fit
 
 modules_table = Table("modules", saveddata_meta,
@@ -39,4 +40,11 @@ modules_table = Table("modules", saveddata_meta,
                       CheckConstraint('("dummySlot" = NULL OR "itemID" = NULL) AND "dummySlot" != "itemID"'))
 
 mapper(Module, modules_table,
-       properties={"owner": relation(Fit)})
+       properties={
+           "owner": relation(Fit),
+           "mutators": relation(
+                   Mutator,
+                   backref="module",
+                   cascade="all,delete-orphan"
+           )
+       })

eos/db/saveddata/mutator.py

@@ -0,0 +1,35 @@
+# ===============================================================================
+# Copyright (C) 2010 Diego Duclos
+#
+# This file is part of eos.
+#
+# eos is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# eos is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with eos.  If not, see <http://www.gnu.org/licenses/>.
+# ===============================================================================
+
+from sqlalchemy import Table, Column, Integer, ForeignKey, Boolean, DateTime, Float
+from sqlalchemy.orm import mapper
+import datetime
+
+from eos.db import saveddata_meta
+from eos.saveddata.mutator import Mutator
+
+mutator_table = Table("mutators", saveddata_meta,
+                        Column("moduleID", Integer, ForeignKey("modules.ID"), nullable=False, index=True),
+                        Column("attrID", Integer, primary_key=True, index=True),
+                        Column("value", Float, nullable=False),
+                        Column("created", DateTime, nullable=True, default=datetime.datetime.now),
+                        Column("modified", DateTime, nullable=True, onupdate=datetime.datetime.now)
+                        )
+
+mapper(Mutator, mutator_table)