File Path retrieving problem

Steve Holden steve at holdenweb.com
Wed Feb 25 17:59:32 CET 2009


music24by7 at gmail.com wrote:
> On Feb 25, 8:57 pm, Steve Holden <st... at holdenweb.com> wrote:
>> music24... at gmail.com wrote:
>>> Hi all,
>>> I am new to Python, i have installed python 2.5.4 and it is my
>>> requirement.
>>> I need to retrieve the path of filename in python.
>>> I have found some API's to get this:
>>> from os.path import realpath
>>> print realpath("NEWS.txt")  # here NEWS.txt exists and it shows the
>>> path of the file as C:\Python25\WorkSpace\NEWS.txt
>>> print realpath("abc.txt") # here abc.txt does not exist but still it
>>> shows C:\Python25\WorkSpace\abc.txt
>>> can anybody tell the reason why????
>>> Now took some safety measures:
>>> found = lexists(realpath(filename))
>>>         if found == 0:
>>>             print "Not Found"
>>>         else:
>>>             print realpath(filename)
>>> i have given the filename as "NEWS.txt" and "abc.txt" but i am always
>>> getting the output as "Not Found"
>>> Can anyone please tell me where am i doing wrong????
>> It seems pretty apparent that lexists() nevert returns a true result.
>>
>> Why not just
>>
>> if os.path.exists(filename):
>>     print os.path.realpath(filename)
>> else:
>>     print "Not found"
>>
>>> also any suggestions to retrieve the filepath from a given filename is
>>> highly appreciated.
>> Well, realpath returns the path of the file targeted after any symbolic
>> links have been evaluated, which may or may not be what you want. Have
>> you looked at os.path.abspath?
>>
>> regards
>>  Steve
>> --
>> Steve Holden        +1 571 484 6266   +1 800 494 3119
>> Holden Web LLC              http://www.holdenweb.com/
> 
> 
> 
> Hi Steve,
> 
> I have tried your suggested code and also replaced os.path.realpath
> with os.path.abspath but still getting the same result.
> I want to know is there any workaround for retrieving the filepaths
> given only filename
> 
What, you are saying that

  os.path.exists(filename)

is returning false when the file exists? I find that hard to believe.

Please display some evidence so I can understand this.

regards
 Steve
-- 
Steve Holden        +1 571 484 6266   +1 800 494 3119
Holden Web LLC              http://www.holdenweb.com/




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