Merge pull request #86 from vaneseltine/improve-single-quote-handling

Prevent false nicknames due to multiple quotes

Author: derek73

nameparser/config/regexes.py

@@ -23,7 +23,7 @@
     ("word", re.compile(r"(\w|\.)+", re.U)),
     ("mac", re.compile(r'^(ma?c)(\w{2,})', re.I | re.U)),
     ("initial", re.compile(r'^(\w\.|[A-Z])?$', re.U)),
-    ("quoted_word", re.compile(r'\'([^\s]*?)\'', re.U)),
+    ("quoted_word", re.compile(r'(?<!\w)\'([^\s]*?)\'(?!\w)', re.U)),
     ("double_quotes", re.compile(r'\"(.*?)\"', re.U)),
     ("parenthesis", re.compile(r'\((.*?)\)', re.U)),
     ("roman_numeral", re.compile(r'^(X|IX|IV|V?I{0,3})$', re.I | re.U)),

nameparser/parser.py

@@ -413,9 +413,9 @@ def parse_nicknames(self):
         The content of parenthesis or quotes in the name will be added to the 
         nicknames list. This happens before any other processing of the name.
         
-        Single quotes cannot span white space characters to allow for single
-        quotes in names like O'Connor. Double quotes and parenthesis can span
-        white space.
+        Single quotes cannot span white space characters and must border
+        white space to allow for quotes in names like O'Connor and Kawai'ae'a.
+        Double quotes and parenthesis can span white space.
         
         Loops through 3 :py:data:`~nameparser.config.regexes.REGEXES`; 
         `quoted_word`, `double_quotes` and `parenthesis`.

tests.py

@@ -1431,6 +1431,34 @@ def test_single_quotes_on_end_of_last_name_not_treated_as_nickname(self):
         self.m(hn.last, "Aube'", hn)
         self.m(hn.nickname, "", hn)
 
+    def test_okina_inside_name_not_treated_as_nickname(self):
+        hn = HumanName("Harrieta Keōpūolani Nāhiʻenaʻena")
+        self.m(hn.first, "Harrieta", hn)
+        self.m(hn.middle, "Keōpūolani", hn)
+        self.m(hn.last, "Nāhiʻenaʻena", hn)
+        self.m(hn.nickname, "", hn)
+
+    def test_single_quotes_not_treated_as_nickname_Hawaiian_example(self):
+        hn = HumanName("Harietta Keopuolani Nahi'ena'ena")
+        self.m(hn.first, "Harietta", hn)
+        self.m(hn.middle, "Keopuolani", hn)
+        self.m(hn.last, "Nahi'ena'ena", hn)
+        self.m(hn.nickname, "", hn)
+
+    def test_single_quotes_not_treated_as_nickname_Kenyan_example(self):
+        hn = HumanName("Naomi Wambui Ng'ang'a")
+        self.m(hn.first, "Naomi", hn)
+        self.m(hn.middle, "Wambui", hn)
+        self.m(hn.last, "Ng'ang'a", hn)
+        self.m(hn.nickname, "", hn)
+
+    def test_single_quotes_not_treated_as_nickname_Samoan_example(self):
+        hn = HumanName("Va'apu'u Vitale")
+        self.m(hn.first, "Va'apu'u", hn)
+        self.m(hn.middle, "", hn)
+        self.m(hn.last, "Vitale", hn)
+        self.m(hn.nickname, "", hn)
+
     # http://code.google.com/p/python-nameparser/issues/detail?id=17
     def test_parenthesis_are_removed_from_name(self):
         hn = HumanName("John Jones (Unknown)")