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Docstring may also be prefixed with U and R. #878

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Docstring may also be prefixed with U and R. #878

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2 changes: 1 addition & 1 deletion pycodestyle.py
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Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,7 @@ def lru_cache(maxsize=128): # noqa as it's a fake implementation.
RAISE_COMMA_REGEX = re.compile(r'raise\s+\w+\s*,')
RERAISE_COMMA_REGEX = re.compile(r'raise\s+\w+\s*,.*,\s*\w+\s*$')
ERRORCODE_REGEX = re.compile(r'\b[A-Z]\d{3}\b')
DOCSTRING_REGEX = re.compile(r'u?r?["\']')
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russian strings (ru'foo') are not valid -- could you also add a test case to demonstrate your change while you're at it -- thanks!

$ python2
Python 2.7.15+ (default, Nov 27 2018, 23:36:35) 
[GCC 7.3.0] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> ru'foo'
  File "<stdin>", line 1
    ru'foo'
          ^
SyntaxError: invalid syntax
>>> 
$ python3
Python 3.6.8 (default, Jan 14 2019, 11:02:34) 
[GCC 8.0.1 20180414 (experimental) [trunk revision 259383]] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> ru'foo'
  File "<stdin>", line 1
    ru'foo'
          ^
SyntaxError: invalid syntax

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@xuhdev I'm looking at the PR diff here and am not seeing a test or change that matches what @asottile asked for

DOCSTRING_REGEX = re.compile(r'u?r?["\']', re.IGNORECASE)
EXTRANEOUS_WHITESPACE_REGEX = re.compile(r'[\[({] | [\]}),;:]')
WHITESPACE_AFTER_COMMA_REGEX = re.compile(r'[,;:]\s*(?: |\t)')
COMPARE_SINGLETON_REGEX = re.compile(r'(\bNone|\bFalse|\bTrue)?\s*([=!]=)'
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