Restrict more characters (Closes #566)

test/test_utils.py

@@ -18,6 +18,7 @@ if sys.version_info < (3,0):
 else:
     _compat_str = lambda s: s
 
+
 class TestUtil(unittest.TestCase):
     def test_timeconvert(self):
         self.assertTrue(timeconvert('') is None)
@@ -66,7 +67,7 @@ class TestUtil(unittest.TestCase):
         self.assertEqual(sanitize_filename(tests, restricted=True), 'a_b_c')
         self.assertTrue(sanitize_filename(_compat_str('\xf6'), restricted=True) != '')  # No empty filename
 
-        forbidden = '"\0\\/&!: \'\t\n'
+        forbidden = '"\0\\/&!: \'\t\n()[]{}$;`^,#'
         for fc in forbidden:
             for fbc in forbidden:
                 self.assertTrue(fbc not in sanitize_filename(fc, restricted=True))

youtube_dl/utils.py

@@ -330,7 +330,7 @@ def sanitize_filename(s, restricted=False):
             return '_-' if restricted else ' -'
         elif char in '\\/|*<>':
             return '_'
-        if restricted and (char in '!&\'' or char.isspace()):
+        if restricted and (char in '!&\'()[]{}$;`^,#' or char.isspace()):
             return '_'
         if restricted and ord(char) > 127:
             return '_'