Opening a file, second attempt

[Janos Blazi]

I'd like to open a file for writing using the os.open function call. But if
the file is already in use, the OS denies access to the file. How do I find
out about this in my Python program? I do tno know the name of the exception
that is raised. I have tried

    if os.access(filename_trunk,os.W_OK)==0:
       print "file not open"
       return

but this does not work, access returns 1, though the file ist not
accessible.

Janos Blazi




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