[EMAIL PROTECTED] a écrit : > Christophe > > >>Same reason that there is a warning in the "os.access" manual > > > I understand the if file exists open it code. > > I looked at the os.access documentation and see no "warning" or "not > reliable" wording there. > 6.1.4 Files and Directories > access(path, mode) > > > Olaf >
6.1.4 Files and Directories access( path, mode) Use the real uid/gid to test for access to path. Note that most operations will use the effective uid/gid, therefore this routine can be used in a suid/sgid environment to test if the invoking user has the specified access to path. mode should be F_OK to test the existence of path, or it can be the inclusive OR of one or more of R_OK, W_OK, and X_OK to test permissions. Return True if access is allowed, False if not. See the Unix man page access(2) for more information. Availability: Macintosh, Unix, Windows. Note: Using access() to check if a user is authorized to e.g. open a file before actually doing so using open() creates a security hole, because the user might exploit the short time interval between checking and opening the file to manipulate it. I call that note a warning. -- http://mail.python.org/mailman/listinfo/python-list
