Problem with os.chdir()

Tim Golden mail at timgolden.me.uk
Wed Mar 11 13:02:47 CET 2009


venutaurus539 at gmail.com wrote:
> On Mar 11, 11:08 am, Tim Golden <m... at timgolden.me.uk> wrote:
>> venutaurus... at gmail.com wrote:
>>> Hello all,
>>>            I am writing a python script which has to access deep paths
>>> then supported normally by the Windows OS (>255). So I am appending "\
>>> \?\" to do so. But when I use the path in the above fashion with
>>> os.chdir() it is unable to recognize my folder and throwing an error:
>>> Traceback (most recent call last):
>>>   File "C:\JPDump\test.py", line 31, in <module>
>>>     renameStubs(file)
>>>   File "C:\JPDump\test.py", line 15, in renameStubs
>>>     os.chdir (path)
>>> WindowsError: [Error 123] The filename, directory name, or volume
>>> label syntax is incorrect: '\\?\\C:\\TestDataSet\
>>> \Many_Files_10000_1KB_FIles\\001_0009_1000 FILES\\'
>>> The value of my path variable is
>>> \?\C:\TestDataSet\Many_Files_10000_1KB_FIles\001_0009_1000 FILES\
>> There need to be two backslashes at the beginning:
>>
>> \\?\C:\TEST.....FILES\
>>
>> Note the double backslash before the question mark.
>>
>> TJG
> 
> I've another situation where os.chdir() function failed. Please find
> the traceback pasted below:
> Traceback (most recent call last):
>   File "C:\JPDump\test.py", line 29, in <module>
>     renameStubs(file)
>   File "C:\JPDump\test.py", line 12, in renameStubs
>     os.chdir (path)
> WindowsError: [Error 206] The filename or extension is too long: '\\?\
> \C:\\TestDataSet\\DeepPaths\\DeepPathLevel01\\DeepPathLevel02\
> \DeepPathLevel03\\DeepPathLevel04\\DeepPathLevel05\\DeepPathLevel06\
> \DeepPathLevel07\\DeepPathLevel08\\DeepPathLevel09\\DeepPathLevel10\
> \DeepPathLevel11\\DeepPathLevel12\\DeepPathLevel13\\DeepPathLevel14\
> \DeepPathLevel15\\DeepPathLevel16\\'

Try it as a unicode string:

os.chdir (ur"\\?\c:\test...\deep...")

TJG



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