Fix Ukrainian EDRPOU check digit calculation

arthurdejong · arthurdejong · commit bb20121c4e71 · 2024-03-17T14:20:48.000+01:00
This fixes the case where the weighted sum woud be 10 which should result in a check digit of 0. Closes arthurdejong#429
diff --git a/stdnum/ua/edrpou.py b/stdnum/ua/edrpou.py
@@ -64,7 +64,7 @@ def calc_check_digit(number):
     # Calculate again with other weights
     weights = tuple(w + 2 for w in weights)
     total = sum(w * int(n) for w, n in zip(weights, number))
-    return str(total % 11)
+    return str(total % 11 % 10)
 
 
 def validate(number):
diff --git a/tests/test_ua_edrpou.doctest b/tests/test_ua_edrpou.doctest
@@ -190,6 +190,7 @@ These have been found online and should all be valid numbers.
 ... 22800735
 ... 22815333
 ... 23226362
+... 23246880
 ... 23293513
 ... 23505151
 ... 23541342
@@ -198,6 +199,7 @@ These have been found online and should all be valid numbers.
 ... 24976272
 ... 24978555
 ... 25042882
+... 25083040
 ... 25836018
 ... 26112972
 ... 26255795
@@ -279,10 +281,12 @@ These have been found online and should all be valid numbers.
 ... 40108625
 ... 40108866
 ... 40109173
+... 40599600
 ... 41399586
 ... 41436842
 ... 41475043
 ... 41617928
+... 41761770
 ... 41800368
 ... 41810109
 ... 42258617
@@ -292,12 +296,15 @@ These have been found online and should all be valid numbers.
 ... 42588390
 ... 42598807
 ... 43178370
+... 43328020
 ... 43476227
 ... 43518172
 ... 43529818
+... 43573920
 ... 43586656
 ... 43618792
 ... 43629317
+... 43808820
 ...
 ... '''
 >>> [x for x in numbers.splitlines() if x and not edrpou.is_valid(x)]
