bugfix braces

CHANGELOG

@@ -1,3 +1,4 @@
+* FIX: if title contained multiples words in braces (#34)
 * ENH: Removed comma after last key-value pair by faph (#28)
 * ENH: optional keys sanitising by faph (#29)
 * FIX: missing coma at the end of a record (#24)

CONTRIBUTORS.txt

@@ -17,4 +17,7 @@
   String replacement
 
 - faph
-  coma fixes, optional keys sanitising and other improvements
+  coma fixes, optional keys sanitising, refactoring and other improvements
+
+- Steven M. Bellovin
+  Fix braces detection

bibtexparser/bparser.py

@@ -329,10 +329,24 @@ def _strip_braces(self, val):
         """
         logger.debug('Strip braces')
         val = val.strip()
-        if val.startswith('{') and val.endswith('}'):
+        if val.startswith('{') and val.endswith('}') and self._full_span(val):
             return val[1:-1]
         return val
 
+    def _full_span(self, val):
+        cnt = 0
+        for i in range(0, len(val)):
+                if val[i] == '{':
+                        cnt += 1
+                elif val[i] == '}':
+                        cnt -= 1
+                if cnt == 0:
+                        break
+        if i == len(val) - 1:
+                return True
+        else:
+                return False
+
     def _string_subst(self, val):
         """ Substitute string definitions
 
@@ -368,10 +382,10 @@ def repl(m):
         logger.debug('Substitute string definitions inside larger expressions')
         if '#' not in val:
             return val
-    
+
         # TODO?: Does not match two subsequent variables or strings, such as  "start" # foo # bar # "end"  or  "start" # "end".
         # TODO:  Does not support braces instead of quotes, e.g.: {start} # foo # {bar}
-        # TODO:  Does not support strings like: "te#s#t"        
+        # TODO:  Does not support strings like: "te#s#t"
         return self.replace_all_re.sub(repl, val)
 
     def _add_val(self, val):

bibtexparser/tests/data/traps.bib

@@ -1,7 +1,7 @@
 @ARTICLE{Laide2013,
   author = {Jean Laid{\'e},
   Ben Loaeb},
-  title = {An amazing title},
+  title = {{An} amazing {title}},
   year = {2013},
   month = jan,
   volume = {12},

bibtexparser/tests/test_bparser.py

@@ -285,7 +285,7 @@ def test_traps(self):
                          'journal': 'Nice Journal',
                          'id': 'Laide2013',
                          'pages': '12-23',
-                         'title': 'An amazing title',
+                         'title': '{An} amazing {title}',
                          'comments': 'A comment',
                          'author': 'Jean Laid{\\\'e}, Ben Loaeb',
                          'volume': '12',