All work on supply query and area.csv

.gitignore

@@ -1 +1,3 @@
 developers.sqlite
+__pycache__
+env

area.csv

@@ -0,0 +1,9 @@
+Film Format,Area (mm^2)
+35mm x 36 exp, 47880
+35mm x 24 exp, 31920
+120 (std), 49200
+120 (min), 45600
+120 (max), 51000
+4x5, 12827
+4x5 x 6 exp, 76962
+8x10, 51612

area.py

@@ -0,0 +1,28 @@
+import sqlite3
+import csv
+import os
+from uuid import uuid4
+from os import path
+from argparse import ArgumentParser
+
+parser = ArgumentParser()
+
+args = parser.parse_args()
+
+STANDARD_AREA=None
+STANDARD_ML=100
+
+AREA='./area.csv'
+
+with open(AREA, newline='') as csvfile:
+	reader = csv.reader(csvfile, delimiter=',', quotechar='|')
+	for row in reader:
+		if row[0] == 'Film Format' :
+			continue
+		name = row[0]
+		area = float(row[1].strip())
+		if STANDARD_AREA is None :
+			STANDARD_AREA = area
+		ml = area * (STANDARD_ML / STANDARD_AREA)
+		print(f'{name} [{area}] = {ml}ml')
+

import.py

@@ -1,5 +1,3 @@
-#!/bin/bash
-
 import sqlite3
 import csv
 import os
@@ -64,12 +62,15 @@ def displayCost (ml) :
 	for row in rows:
 		recipe = row[1]
 		print(f"{recipe}: {ml/1000} liters")
-		query = """SELECT a.name, (c.grams * (s.price/s.grams)) / c.makes, (c.grams/c.makes) FROM components AS c 
+		query = """SELECT a.name AS name, (c.grams * (s.price/s.grams)) / c.makes AS cost, (c.grams/c.makes) FROM components AS c 
 			INNER JOIN supply AS s 
 				ON c.chemical_id = s.chemical_id 
 			INNER JOIN chemicals AS a 
 				ON c.chemical_id = a.chemical_id
-			WHERE c.recipe_id = ?;"""
+			WHERE c.recipe_id = ?
+			GROUP BY name
+			ORDER BY cost ASC;
+			"""
 
 		cursor.execute(query, (row[0],))
 		components = cursor.fetchall()
@@ -118,4 +119,4 @@ print('----')
 print('COST')
 print('----')
 
-displayCost(3785) #gallon
+displayCost(125) #gallon

supply.py

@@ -40,7 +40,7 @@ class Supply :
 			print(row)
 
 	def display (self, supply_id, chemical) :
-		query="SELECT round((price/100.0)/grams, 2) as ppg FROM supply WHERE (supply_id = ?) ORDER BY ppg ASC;"
+		query="SELECT round((price/100.0)/grams, 2) as ppg FROM supply WHERE (supply_id = ?);" # ORDER BY ppg ASC
 		res = self.cursor.execute(query, (supply_id,))
 		data = self.cursor.fetchone()
 		ratio = data[0]