Some slight tweaks to work done by @tonycoz for #1839

eos/const.py

@@ -0,0 +1,26 @@
+from eos.enum import Enum
+
+
+
+class Slot(Enum):
+    # These are self-explanatory
+    LOW = 1
+    MED = 2
+    HIGH = 3
+    RIG = 4
+    SUBSYSTEM = 5
+    # not a real slot, need for pyfa display rack separation
+    MODE = 6
+    # system effects. They are projected "modules" and pyfa assumes all modules
+    # have a slot. In this case, make one up.
+    SYSTEM = 7
+    # used for citadel services
+    SERVICE = 8
+    # fighter 'slots'. Just easier to put them here...
+    F_LIGHT = 10
+    F_SUPPORT = 11
+    F_HEAVY = 12
+    # fighter 'slots' (for structures)
+    FS_LIGHT = 13
+    FS_SUPPORT = 14
+    FS_HEAVY = 15