Simplify handling block and item ids

items.py

@@ -67,34 +67,25 @@ LOGS = [
     'dark_oak_log',
 ]
 
-BED_IDS = set()
-for item_name in BEDS:
-    BED_IDS.add(ITEMS['minecraft:'+item_name]['protocol_id'])
 
-SHOVEL_IDS = set()
-for item_name in SHOVELS:
-    SHOVEL_IDS.add(ITEMS['minecraft:'+item_name]['protocol_id'])
+def get_set(ids):
+    result = set()
+    for item_name in ids:
+        result.add(ITEMS['minecraft:'+item_name]['protocol_id'])
+    return result
 
-AXE_IDS = set()
-for item_name in AXES:
-    AXE_IDS.add(ITEMS['minecraft:'+item_name]['protocol_id'])
-
-FOOD_IDS = set()
-for item_name in FOOD:
-    FOOD_IDS.add(ITEMS['minecraft:'+item_name]['protocol_id'])
-
-SAPLING_IDS = set()
-for item_name in SAPLINGS:
-    SAPLING_IDS.add(ITEMS['minecraft:'+item_name]['protocol_id'])
-
-LOG_IDS = set()
-for item_name in LOGS:
-    LOG_IDS.add(ITEMS['minecraft:'+item_name]['protocol_id'])
+BED_IDS = get_set(BEDS)
+SHOVEL_IDS = get_set(SHOVELS)
+AXE_IDS = get_set(AXES)
+FOOD_IDS = get_set(FOOD)
+SAPLING_IDS = get_set(SAPLINGS)
+LOG_IDS = get_set(LOGS)
 
 ITEM_NAMES = {}
 for item_name, item in ITEMS.items():
     ITEM_NAMES[ITEMS[item_name]['protocol_id']] = item_name.replace('minecraft:', '')
 
+
 def get_id(name):
     return ITEMS['minecraft:' + name]['protocol_id']
 
@@ -115,7 +106,9 @@ BERRIES_ID = get_id('sweet_berries')
 IRON_INGOT_ID = get_id('iron_ingot')
 
 
-INIT_NEEDED_ITEMS = BED_IDS | FOOD_IDS | set([CHEST_ID])
+INIT_NEEDED_ITEMS = BED_IDS | FOOD_IDS
+INIT_NEEDED_ITEMS.add(CHEST_ID)
+
 NEEDED_ITEMS = INIT_NEEDED_ITEMS
 
 INIT_WANTED_ITEMS = set()