commit 7ce1466e5bc18319469f77ba794bce59b42fd253
Author: Raphael Roberts <raphael.roberts48@gmail.com>
Date:   Sun Dec 2 17:26:02 2018 -0600

    Initial commit untested

diff --git a/total_cost.py b/total_cost.py
new file mode 100644
index 0000000..b9ec3a5
--- /dev/null
+++ b/total_cost.py
@@ -0,0 +1,60 @@
+import re
+compound = {}
+base_comp = set()
+
+def get_input(comp):
+    ret = {}
+    ret['type'] = input('type: ').lower()
+    ret['parents'] = set()
+    if type == 'compound':
+        ret['sub'] = {}
+        first = True
+        while True:
+            i = input('sub: ' if first else '>').lower()
+            if i == 'end':
+                break
+            if i != ''
+                s = re.split(r' *\* ',i)
+                if len(s) == 2:
+                    name,count = s
+                else:
+                    name = s[0]
+                    count = 0
+                ret[name] = int(count)
+                first = False
+    return ret
+
+def get_sub(comp):
+    # either not base component or not entered yet
+    if comp not in base_comp:
+        try:
+            # check to see if it is already entered
+            subs = compound[comp]
+        except KeyError:
+            # entry
+            subs = get_input(comp)
+
+            if subs['type'] == 'base':
+                base_comp.add(comp)
+            else:
+                compound[comp] = subs
+                return subs
+
+
+def __inner__(comp,count,bases,components,prev = None):
+    component_data = get_sub(comp)
+    if prev:
+        component_data['parents'].add(prev)
+    # not a compound component
+    if component_data is None:
+        prev = bases.get(comp,0)
+        bases[comp] = prev + count
+    else:
+        prev = components.get(comp,0)
+        components[comp] = prev + count
+        for sub,count in component_data['sub']:
+            __inner__(sub,count,bases,components,comp)
+
+def get_overall_usage(comp):
+    ret_bases = {}
+    ret_components = {}