backslash woes........

[Roman Suzi]

On Tue, 10 Jul 2001, Martin Franklin wrote:

> Hi all,
> 
> 
> I am having trouble with windows path names (i'm a UNIX'ite)
> I want to replace the common prefix of a list of file names
> with a relative stub (./) I have this...
> 
>     def _removePrefix(self, fullfile):
>         print r'%s' %fullfile

what about 

re.escape(fullfile)
re.escape(os.sep)

? Does it cure the situation?

>         filename=re.sub(r'%s' %self.prefix, r'%s' %os.sep, r'%s' %fullfile)
>         print filename
>         return filename
> 
> 
> Where fullfile is the - full filename...
> and self.prefix is the os.commonprefix()
> 
> 
> Currently I get an error:-
> 
> traceback (most recent call last):
>   File "c:\python21\lib\lib-tk\Tkinter.py", line 1285, in __call__
>     return apply(self.func, args)
>   File "r:\src\python\squeeze\dev\makesqueeze.py", line 161, in Finish
>     Squeeze(platFileList, open(filename, 'w'), self.prefix_or_path.get(),
> config)
>   File "r:\src\python\squeeze\dev\Squeeze.py", line 58, in __init__
>     self._apply(file)
>   File "r:\src\python\squeeze\dev\Squeeze.py", line 137, in _apply
>     file = self._removePrefix(fullfile)
>   File "r:\src\python\squeeze\dev\Squeeze.py", line 151, in _removePrefix
>     filename=re.sub(r'%s' %self.prefix, r'%s' %os.sep, r'%s' %fullfile)
>   File "c:\python21\lib\sre.py", line 63, in sub
>     return _compile(pattern, 0).sub(repl, string, count)
>   File "c:\python21\lib\sre.py", line 136, in _compile
>     raise error, v # invalid expression
> error: bogus escape: '\\x'
> 
> 
> I don't understand this as I am (trying) to use raw strings everywhere.....
> (that's what the DOC's told me to do...)
> 
> 
> 'Course on UNIX it all works perfectly well with or without the raw strings;-)
> 
> 
> 
> 
> Hope _you_ can help
> 
> Martin
> 

Sincerely yours, Roman A.Suzi
-- 
 - Petrozavodsk - Karelia - Russia - mailto:rnd at onego.ru -