You can use the 'contentRestrictions.readOnly' field on a `file' resource to lock a file and prevent modifications to the title, uploading a new revision, and addition of comments.
Lock file content
To lock file content, use the
files.update method with the
contentRestrictions.readOnly field set to true. Add an optional reason to indicate
the reason for locking the file, such as "Finalized contract."
The following shows how to lock file content:
Python
service.files().update(fileId=fileId,
body={"contentRestrictions":
[{"readOnly": "true", "reason": "Finalized contract."}]
})
Unlock file content
To unlock file content, use the
files.update method with the
contentRestrictions.readOnly field set to false. The following shows how to
unlock file content:
Python
service.files().update(fileId=fileId,
body={"contentRestrictions":
[{"readOnly": "false"}]
})
Check a file lock
To check a file lock, use the
files.get method with the
contentRestrictions returned field. The following shows how check the
status of a file lock:
Python
service.files()
.get(fileId=fileId, fields="contentRestrictions").execute()