[Python-Dev] Difference in RE between 3.2 and 3.3 (or Aaron Swartz memorial)

[MRAB]

On 05/05/2013 23:01, Matej Cepl wrote:
> ----- Original Message -----
>> From: "Armin Rigo" <arigo at tunes.org>
>> To: "Matej Cepl" <mcepl at redhat.com>
>> Cc: python-dev at python.org
>> Sent: Saturday, May 4, 2013 11:59:42 AM
>> Subject: Re: [Python-Dev] Difference in RE between 3.2 and 3.3 (or Aaron Swartz memorial)
>>
>> Hi Matej,
>>
>> On Thu, Mar 7, 2013 at 11:08 AM, Matej Cepl <mcepl at redhat.com> wrote:
>> >          if c is not ' ' and c is not '  ':
>> >             if c != ' ' and c != ' ':
>>
>> Sorry for the delay in answering, but I just noticed what is wrong in
>> this "fix": it compares c with the same single-character ' ' twice,
>> whereas the original compared it with ' ' and with the two-character '
>
> Comments on https://github.com/mcepl/html2text/commit/f511f3c78e60d7734d677f8945580f52ef7ef742#L0R765 (perhaps in https://github.com/aaronsw/html2text/pull/77) are more than welcome. When using
>
> SPACE_RE = re.compile(r'\s\+')
>
That will match a whitespace character followed by a '+'.

> for checking, whole onlywhite function is not needed anymore (and it still made me wonder what Aaron meant when he wrote it). Why line.isspace() doesn't work is weird though.
>
What do you mean by "doesn't work"?