diff options
| -rw-r--r-- | dns/name.py | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/dns/name.py b/dns/name.py index 5f8f213..0d9b4f2 100644 --- a/dns/name.py +++ b/dns/name.py @@ -88,8 +88,10 @@ _escaped = { '$' : True } -def _escapify(label): +def _escapify(label, whitespaces_only=False): """Escape the characters in label which need it. + @param whitespaces_only: escapify only special and whitespace (ord < 0x20) + characters @returns: the escaped string @rtype: string""" text = '' @@ -99,7 +101,10 @@ def _escapify(label): elif ord(c) > 0x20 and ord(c) < 0x7F: text += c else: - text += '\\%03d' % ord(c) + if whitespaces_only and ord(c) >= 0x7F: + text += c + else: + text += '\\%03d' % ord(c) return text def _validate_labels(labels): @@ -352,7 +357,7 @@ class Name(object): l = self.labels[:-1] else: l = self.labels - s = u'.'.join([encodings.idna.ToUnicode(_escapify(x)) for x in l]) + s = u'.'.join([_escapify(encodings.idna.ToUnicode(x), whitespaces_only=True) for x in l]) return s def to_digestable(self, origin=None): |