Add price_by_measure member to Item object

item.py

@@ -3,11 +3,12 @@ class Item:
     A class representing a product in some supermarket.
     """
 
-    def __init__(self, name: str, price: float, manufacturer: str, code: str):
+    def __init__(self, name: str, price: float, price_by_measure: float, code: str, manufacturer: str):
         self.name: str = name
         self.price: float = price
+        self.price_by_measure = price_by_measure
         self.manufacturer: str = manufacturer
         self.code: str = code
 
     def __repr__(self):
-        return str((self.name, self.price, self.manufacturer, self.code))
+        return f"\nשם: {self.name}\nמחיר: {self.price}\nיצרן: {self.manufacturer}\nקוד: {self.code}\n"

supermarket_chain.py

@@ -120,9 +120,6 @@ class SupermarketChain(object, metaclass=Meta):
         """
         This function returns a string containing important information about a given supermarket's product.
         """
-        return Item(
-            name=item.find(re.compile(r'ItemN[a]?m[e]?')).text,
-            price=float(item.find('ItemPrice').text),
-            manufacturer=item.find(re.compile(r'Manufacture[r]?Name')).text,
-            code=item.find('ItemCode').text
-        )
+        return Item(name=item.find(re.compile(r'ItemN[a]?m[e]?')).text, price=float(item.find('ItemPrice').text),
+                    price_by_measure=float(item.find('UnitOfMeasurePrice').text), code=item.find('ItemCode').text,
+                    manufacturer=item.find(re.compile(r'Manufacture[r]?Name')).text)

tests/test_promotions_parsing.py

@@ -19,7 +19,7 @@ def test_shufersal_promo_type_1():
         discount_rate=discount_rate,
         discounted_price=discounted_price,
     )
-    item = Item('פטה פיראוס 20%', 113, '', '')
+    item = Item('פטה פיראוס 20%', 113, 1, '', '')
     assert promo_func(item) == 100
 
 
@@ -38,7 +38,7 @@ def test_shufersal_promo_type_2():
         discount_rate=discount_rate,
         discounted_price=discounted_price,
     )
-    item = Item('חגיגת גרנולה פ.יבשים500ג', 26.9, '', '')
+    item = Item('חגיגת גרנולה פ.יבשים500ג', 26.9, 1, '', '')
     assert promo_func(item) == 21.52
 
 
@@ -57,7 +57,7 @@ def test_shufersal_promo_type_6_1():
         discount_rate=discount_rate,
         discounted_price=discounted_price,
     )
-    item = Item('פסטרמה מקסיקנית במשקל', 89, '', '')
+    item = Item('פסטרמה מקסיקנית במשקל', 89, 1, '', '')
     assert promo_func(item) == 89
 
 
@@ -76,7 +76,7 @@ def test_shufersal_promo_type_6_2():
         discount_rate=discount_rate,
         discounted_price=discounted_price,
     )
-    item = Item('מכונת לוואצה ג\'ולי אדומה', 449, '', '')
+    item = Item('מכונת לוואצה ג\'ולי אדומה', 449, 1, '', '')
     assert promo_func(item) == 449
 
 
@@ -95,7 +95,7 @@ def test_shufersal_promo_type_7_1():
         discount_rate=discount_rate,
         discounted_price=discounted_price,
     )
-    item = Item('פינצטה 2011 שחורה/כסופה', 14.9, '', '')
+    item = Item('פינצטה 2011 שחורה/כסופה', 14.9, 1, '', '')
     assert promo_func(item) == 7.45
 
 
@@ -114,7 +114,7 @@ def test_shufersal_promo_type_7_2():
         discount_rate=discount_rate,
         discounted_price=discounted_price,
     )
-    item = Item('יוגורט עיזים 500 גרם', 12.9, '', '')
+    item = Item('יוגורט עיזים 500 גרם', 12.9, 1, '', '')
     assert promo_func(item) == 12.9 * 0.75
 
 
@@ -133,7 +133,7 @@ def test_shufersal_promo_type_9_1():
         discount_rate=discount_rate,
         discounted_price=discounted_price,
     )
-    item = Item('זיתים מבוקעים פיקנטי540ג', 9.3, '', '')
+    item = Item('זיתים מבוקעים פיקנטי540ג', 9.3, 1, '', '')
     assert promo_func(item) == 9.3 * 0.75
 
 
@@ -152,7 +152,7 @@ def test_shufersal_promo_type_9_2():
         discount_rate=discount_rate,
         discounted_price=discounted_price,
     )
-    item = Item('שעועית לבנה שופרסל 800גר', 18.9, '', '')
+    item = Item('שעועית לבנה שופרסל 800גר', 18.9, 1, '', '')
     assert promo_func(item) == (18.9 + 10) / 2
 
 
@@ -171,7 +171,7 @@ def test_shufersal_promo_type_9_3():
         discount_rate=discount_rate,
         discounted_price=discounted_price,
     )
-    item = Item('גומיות שחורות 12 יח', 9.9, '', '')
+    item = Item('גומיות שחורות 12 יח', 9.9, 1, '', '')
     assert promo_func(item) == 9.9 * 0.75
 
 
@@ -190,7 +190,7 @@ def test_shufersal_promo_type_10_1():
         discount_rate=discount_rate,
         discounted_price=discounted_price
     )
-    item = Item('טופו טעם טבעי  300 גרם', 10.9, '', '7296073345763')
+    item = Item('טופו טעם טבעי  300 גרם', 10.9, 1, '7296073345763', '')
     assert promo_func(item) == 5
 
 
@@ -209,7 +209,7 @@ def test_shufersal_promo_type_10_2():
         discount_rate=discount_rate,
         discounted_price=discounted_price
     )
-    item = Item('טופו טעם טבעי  300 גרם', 10.9, 'כפרי בריא משק ויילר', '7296073345763')
+    item = Item('טופו טעם טבעי  300 גרם', 10.9, 1, '7296073345763', 'כפרי בריא משק ויילר')
     assert promo_func(item) == 7
 
 
@@ -225,7 +225,7 @@ def assert_discount(discounted_price, item_barcode, item_manufacturer, item_name
         discount_rate=discount_rate,
         discounted_price=discounted_price
     )
-    item = Item(item_name, orig_price, item_manufacturer, item_barcode)
+    item = Item(item_name, orig_price, 1, item_barcode, item_manufacturer)
     assert abs(promo_func(item) - price_after_discount) <= 1e-5, promo_description