Fixed #100 - update the code to treat '+' as a valid charachter for

filenmae.

Author: chinyeungli

about_code_tool/about.py

@@ -1016,7 +1016,7 @@ def invalid_chars_in_about_file_name(file_path):
             <li> uppercase and lowercase letters from A to Z</li>
             <li> the _ underscore, - dash and . period signs. </li>
         """
-        supported = string.digits + string.ascii_letters + '_-.'
+        supported = string.digits + string.ascii_letters + '_-.+'
         # Using the resource_name(file_path) will yield the following error on
         # windows:
         # Field: None, Value: [':', '\\', '\\', '\\', '\\', '\\', '\\'],

about_code_tool/tests/test_about.py

@@ -185,14 +185,14 @@ def test_result_space_in_field_name(self):
 
     def test_valid_chars_in_file_name(self):
         about_obj = about.AboutFile()
-        name = string.digits + string.ascii_letters + '_-.'
+        name = string.digits + string.ascii_letters + '_-.+'
         result = about_obj.invalid_chars_in_about_file_name(name)
         expected = []
         self.assertEqual(expected, result)
 
     def test_result_chars_in_file_name(self):
         about_obj = about.AboutFile()
-        result = about_obj.invalid_chars_in_about_file_name('_$as/afg:')
+        result = about_obj.invalid_chars_in_about_file_name('_$a+s/afg:')
         expected = [':']
         self.assertEqual(expected, result)