def cmd_tags(self, *args): parser = argparse.ArgumentParser(prog='tags', description="Modify tags of the opened file") parser.add_argument('-a', '--add', metavar='TAG', help="Add tags to the opened file (comma separated)") parser.add_argument('-d', '--delete', metavar='TAG', help="Delete a tag from the opened file") try: args = parser.parse_args(args) except: return # This command requires a session to be opened. if not __sessions__.is_set(): self.log('error', "No session opened") parser.print_usage() return # If no arguments are specified, there's not much to do. # However, it could make sense to also retrieve a list of existing # tags from this command, and not just from the "find" command alone. if args.add is None and args.delete is None: parser.print_usage() return # TODO: handle situation where addition or deletion of a tag fail. db = Database() if not db.find(key='sha256', value=__sessions__.current.file.sha256): self.log('error', "The opened file is not stored in the database. " "If you want to add it use the `store` command.") return if args.add: # Add specified tags to the database's entry belonging to # the opened file. db.add_tags(__sessions__.current.file.sha256, args.add) self.log('info', "Tags added to the currently opened file") # We refresh the opened session to update the attributes. # Namely, the list of tags returned by the 'info' command # needs to be re-generated, or it wouldn't show the new tags # until the existing session is closed a new one is opened. self.log('info', "Refreshing session to update attributes...") __sessions__.new(__sessions__.current.file.path) if args.delete: # Delete the tag from the database. db.delete_tag(args.delete, __sessions__.current.file.sha256) # Refresh the session so that the attributes of the file are # updated. self.log('info', "Refreshing session to update attributes...") __sessions__.new(__sessions__.current.file.path)