From c9ecd07cbfffaa740e5c471fd5dacc9efde9dd3e Mon Sep 17 00:00:00 2001
From: Brett Anthoine <brett.anthoine@keylemon.com>
Date: Mon, 18 Jul 2016 11:27:51 +0200
Subject: [PATCH] Add italian ordinals.

---
 num2words/lang_IT.py | 15 ++++++++++++++-
 tests/test_it.py     | 14 ++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/num2words/lang_IT.py b/num2words/lang_IT.py
index a46a29c..00dfebf 100644
--- a/num2words/lang_IT.py
+++ b/num2words/lang_IT.py
@@ -196,9 +196,22 @@ class Num2Word_IT(object):
         pass
 
     def to_ordinal(self,value):
-        raise NotImplementedError()
+        if 0 <= value <= 10:
+            return ["primo", "secondo", "terzo", "quarto", "quinto", "sesto", "settimo", "ottavo", "nono", "decimo"][value - 1]
+        else:
+            as_word = self._toWords(value)
+            if as_word.endswith("dici"):
+                return re.sub("dici$", "dicesimo", as_word)
+            elif as_word.endswith("to"):
+                return re.sub("to$", "tesimo", as_word)
+            elif as_word.endswith("ta"):
+                return re.sub("ta$", "tesimo", as_word)
+            else:
+                return as_word + "simo"
+
 
 n2w = Num2Word_IT()
 to_card = n2w.to_cardinal
 to_ord = n2w.to_ordinal
 to_ordnum = n2w.to_ordinal_num
+
diff --git a/tests/test_it.py b/tests/test_it.py
index 07cd3a2..57bf646 100644
--- a/tests/test_it.py
+++ b/tests/test_it.py
@@ -35,6 +35,7 @@ class Num2WordsITTest(TestCase):
             (20,'venti'),
             (21,'ventuno'),
             (26,'ventisei'),
+            (28,'ventotto'),
             (30,'trenta'),
             (31,'trentuno'),
             (40,'quaranta'),
@@ -80,3 +81,16 @@ class Num2WordsITTest(TestCase):
         for test in test_cases:
             self.assertEqual(num2words(test[0], lang='it'), test[1])
 
+    def test_ordinal(self):
+
+        test_cases = (
+            (1,'primo'),
+            (8,'ottavo'),
+            (12,'dodicesimo'),
+            (14,'quattordicesimo'),
+            (28,'ventottesimo'),
+            (100,'centesimo'),
+        )
+
+        for test in test_cases:
+            self.assertEqual(num2words(test[0], lang='it', ordinal=True), test[1])