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I am trying to change permission of a file access:
os.chmod(path, mode) I want to make it read-only:
os.chmod(path, 0444) Is there any other way make a file read-only?
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chown() method in Python is used to change the owner and group id of the specified path to the specified numeric owner id (UID) and group id (GID). Note: os. chown() method is available only on UNIX platforms and the functionality of this method is typically available only to the superuser or a privileged user.
If you are not the owner of the file or directory, become superuser or assume an equivalent role. Only the current owner or superuser can use the chmod command to change file permissions on a file or directory. Change permissions in absolute mode by using the chmod command.
stat is the right way to get more general info about a file, including permissions per user, group, and others. The st_mode attribute of the object that os. stat returns has the permission bits for the file.
chmod() method in Python is used to change the mode of path to the numeric mode. mode – mode may take one of the following values: stat. S_ISUID : Set user ID on execution.
os.chmod(path, stat.S_IRUSR | stat.S_IRGRP | stat.S_IROTH) stat
The following flags can also be used in the mode argument of os.chmod():
stat.S_ISUIDSet UID bit.
stat.S_ISGIDSet-group-ID bit. This bit has several special uses. For a directory it indicates that BSD semantics is to be used for that directory: files created there inherit their group ID from the directory, not from the effective group ID of the creating process, and directories created there will also get the S_ISGID bit set. For a file that does not have the group execution bit (S_IXGRP) set, the set-group-ID bit indicates mandatory file/record locking (see also S_ENFMT).
stat.S_ISVTXSticky bit. When this bit is set on a directory it means that a file in that directory can be renamed or deleted only by the owner of the file, by the owner of the directory, or by a privileged process.
stat.S_IRWXUMask for file owner permissions.
stat.S_IRUSROwner has read permission.
stat.S_IWUSROwner has write permission.
stat.S_IXUSROwner has execute permission.
stat.S_IRWXGMask for group permissions.
stat.S_IRGRPGroup has read permission.
stat.S_IWGRPGroup has write permission.
stat.S_IXGRPGroup has execute permission.
stat.S_IRWXOMask for permissions for others (not in group).
stat.S_IROTHOthers have read permission.
stat.S_IWOTHOthers have write permission.
stat.S_IXOTHOthers have execute permission.
stat.S_ENFMTSystem V file locking enforcement. This flag is shared with S_ISGID: file/record locking is enforced on files that do not have the group execution bit (S_IXGRP) set.
stat.S_IREADUnix V7 synonym for S_IRUSR.
stat.S_IWRITEUnix V7 synonym for S_IWUSR.
stat.S_IEXECUnix V7 synonym for S_IXUSR.
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