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Groups > comp.lang.python > #76391

Re: string encoding regex problem

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On 2014-08-16 00:48:46 +0000, Roy Smith said:

> In article <lsm8ic$j90$1@online.de>,
>  Philipp Kraus <philipp.kraus@flashpixx.de> wrote:
> 
>> found = re.search( "<a
>> href=\"/projects/boost/files/latest/download\?source=files\"
>> title=\"/boost/(.*)",
>> Utilities.URLReader("http://sourceforge.net/projects/boost/files/boost/")
>> )
>> if found == None :
>> 	raise MyError.StopError("Boost Download URL not found")
>> 
>> But found is always None, so I cannot get the correct match. I didn't
>> find the error in my code.
> 
> I would start by breaking this down into pieces.  Something like:
> 
>> data = 
>> Utilities.URLReader("http://sourceforge.net/projects/boost/files/boost/") 
>> 
>> )
>> print data
>> found = re.search( "<a
>> href=\"/projects/boost/files/latest/download\?source=files\"
>> title=\"/boost/(.*)",
>> data)
>> if found == None :
>> raise MyError.StopError("Boost Download URL not found")
> 
> Now at least you get to look at what URLReader() returned.  Did it
> return what you expected?  If not, then there might be something wrong
> in your URLReader() function.

I have check the result of the (sorry, I forgot this information on my 
first post). The URLReader
returns the HTML code of the URL, so this seems to work correctly

>  If it is what you expected, then I would
> start looking at the pattern to see if it's correct.  Either way, you've
> managed to halve the size of the problem.

The code works till last week correctly, I don't change the pattern. My 
question is, can it be
a problem with string encoding? Did I mask the question mark and quotes 
correctly?

Phil

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Thread

string encoding regex problem Philipp Kraus <philipp.kraus@flashpixx.de> - 2014-08-16 02:27 +0200
  Re: string encoding regex problem Roy Smith <roy@panix.com> - 2014-08-15 20:48 -0400
    Re: string encoding regex problem Philipp Kraus <philipp.kraus@flashpixx.de> - 2014-08-16 04:08 +0200
      Re: string encoding regex problem Roy Smith <roy@panix.com> - 2014-08-15 22:14 -0400
      Re: string encoding regex problem Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-08-16 14:35 +1000
      Re: string encoding regex problem Peter Otten <__peter__@web.de> - 2014-08-16 11:01 +0200
        Re: string encoding regex problem Philipp Kraus <philipp.kraus@flashpixx.de> - 2014-08-23 22:46 +0200
          Re: string encoding regex problem Peter Otten <__peter__@web.de> - 2014-08-23 23:13 +0200

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