os.chflags(path, flags, *, follow_symlinks=True) 
Set the flags of path to the numeric flags. flags may take a combination (bitwise OR) of the following values (as defined in the stat module):
stat.UF_NODUMPstat.UF_IMMUTABLEstat.UF_APPENDstat.UF_OPAQUEstat.UF_NOUNLINKstat.UF_COMPRESSEDstat.UF_HIDDENstat.SF_ARCHIVEDstat.SF_IMMUTABLEstat.SF_APPENDstat.SF_NOUNLINKstat.SF_SNAPSHOT
This function can support not following symlinks.
Availability: Unix.
New in version 3.3: The follow_symlinks argument.
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