diff options
Diffstat (limited to 'Lib/encodings/idna.py')
| -rw-r--r-- | Lib/encodings/idna.py | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/Lib/encodings/idna.py b/Lib/encodings/idna.py index ea40585..bf98f51 100644 --- a/Lib/encodings/idna.py +++ b/Lib/encodings/idna.py @@ -39,23 +39,21 @@ def nameprep(label): # Check bidi RandAL = [stringprep.in_table_d1(x) for x in label] - for c in RandAL: - if c: - # There is a RandAL char in the string. Must perform further - # tests: - # 1) The characters in section 5.8 MUST be prohibited. - # This is table C.8, which was already checked - # 2) If a string contains any RandALCat character, the string - # MUST NOT contain any LCat character. - if any(stringprep.in_table_d2(x) for x in label): - raise UnicodeError("Violation of BIDI requirement 2") - - # 3) If a string contains any RandALCat character, a - # RandALCat character MUST be the first character of the - # string, and a RandALCat character MUST be the last - # character of the string. - if not RandAL[0] or not RandAL[-1]: - raise UnicodeError("Violation of BIDI requirement 3") + if any(RandAL): + # There is a RandAL char in the string. Must perform further + # tests: + # 1) The characters in section 5.8 MUST be prohibited. + # This is table C.8, which was already checked + # 2) If a string contains any RandALCat character, the string + # MUST NOT contain any LCat character. + if any(stringprep.in_table_d2(x) for x in label): + raise UnicodeError("Violation of BIDI requirement 2") + # 3) If a string contains any RandALCat character, a + # RandALCat character MUST be the first character of the + # string, and a RandALCat character MUST be the last + # character of the string. + if not RandAL[0] or not RandAL[-1]: + raise UnicodeError("Violation of BIDI requirement 3") return label |