more improvements to the ingredient parser + tests

cookbook/helper/ingredient_parser.py

@@ -23,6 +23,7 @@ def parse_fraction(x):
 def parse_amount(x):
     amount = 0
     unit = ''
+    note = ''
 
     did_check_frac = False
     end = 0
@@ -52,9 +53,10 @@ def parse_amount(x):
             except ValueError:
                 unit = x[end:]
 
-    if unit.startswith('('):  # i dont know any unit that starts with ( so its likely an alternative like 1L (500ml) Water
+    if unit.startswith('(') or unit.startswith('-'):  # i dont know any unit that starts with ( or - so its likely an alternative like 1L (500ml) Water or 2-3
         unit = ''
-    return amount, unit
+        note = x
+    return amount, unit, note
 
 
 def parse_ingredient_with_comma(tokens):
@@ -105,6 +107,7 @@ def parse(x):
     unit = ''
     ingredient = ''
     note = ''
+    unit_note = ''
 
     # if the string contains parenthesis early on remove it and place it at the end
     # because its likely some kind of note
@@ -119,8 +122,7 @@ def parse(x):
     else:
         try:
             # try to parse first argument as amount
-            amount, unit = parse_amount(tokens[0])
+            amount, unit, unit_note = parse_amount(tokens[0])
-            print('test', unit)
             # only try to parse second argument as amount if there are at least
             # three arguments if it already has a unit there can't be
             # a fraction for the amount
@@ -167,6 +169,9 @@ def parse(x):
                 ingredient, note = parse_ingredient(tokens)
             except ValueError:
                 ingredient = ' '.join(tokens[1:])
+
+    if unit_note not in note:
+        note += ' ' + unit_note
     return amount, unit.strip(), ingredient.strip(), note.strip()
 
 

cookbook/tests/other/_recipes.py

@@ -773,7 +773,7 @@ COOKPAD = {
                 "text": "Water",
                 "id": 49092
             },
-            "note": "",
+            "note": "2-3",
             "original": "2-3 c Water"
         },
         {
@@ -1498,10 +1498,10 @@ GIALLOZAFFERANO = {
                 "id": 64900
             },
             "ingredient": {
-                "text": "Pane (raffermo o secco) 80 g",
+                "text": "Pane 80 g",
                 "id": 24720
             },
-            "note": "",
+            "note": "(raffermo o secco)",
             "original": "Pane (raffermo o secco) 80 g"
         },
         {

cookbook/tests/other/test_ingredient_parser.py

@@ -57,6 +57,8 @@ def test_ingredient_parser():
         "400g unsalted butter": (400, "g", "butter", "unsalted"),
         "2L Wasser": (2, "L", "Wasser", ""),
         "1 (16 ounce) package dry lentils, rinsed": (1, "package", "dry lentils, rinsed", "16 ounce"),
+        "2-3 c Water": (2, "c", "Water", "2-3"),
+        "Pane (raffermo o secco) 80 g": (0, "", "Pane 80 g", "raffermo o secco"), #TODO this is actually not a good result but currently expected
     }
     # for German you could say that if an ingredient does not have
     # an amount # and it starts with a lowercase letter, then that

cookbook/views/views.py

@@ -14,7 +14,7 @@ from django.contrib.auth.password_validation import validate_password
 from django.core.exceptions import ValidationError
 from django.db import IntegrityError
 from django.db.models import Avg, Q, Sum
-from django.http import HttpResponseRedirect
+from django.http import HttpResponseRedirect, JsonResponse
 from django.shortcuts import get_object_or_404, render, redirect
 from django.urls import reverse, reverse_lazy
 from django.utils import timezone
@@ -27,6 +27,7 @@ from cookbook.filters import RecipeFilter
 from cookbook.forms import (CommentForm, Recipe, RecipeBookEntryForm, User,
                             UserCreateForm, UserNameForm, UserPreference,
                             UserPreferenceForm, SpaceJoinForm, SpaceCreateForm, AllAuthSignupForm)
+from cookbook.helper.ingredient_parser import parse
 from cookbook.helper.permission_helper import group_required, share_link_valid, has_group_permission
 from cookbook.models import (Comment, CookLog, InviteLink, MealPlan,
                              RecipeBook, RecipeBookEntry, ViewLog, ShoppingList, Space, Keyword, RecipeImport, Unit,
@@ -542,6 +543,7 @@ def offline(request):
 def test(request):
     if not settings.DEBUG:
         return HttpResponseRedirect(reverse('index'))
+    return JsonResponse(parse('Pane (raffermo o secco) 80 g'), safe=False)
 
 
 def test2(request):