__init__.py 文件源码

def _remote_checksum(self, path, all_vars, follow=False):
        '''
        Produces a remote checksum given a path,
        Returns a number 0-4 for specific errors instead of checksum, also ensures it is different
        0 = unknown error
        1 = file does not exist, this might not be an error
        2 = permissions issue
        3 = its a directory, not a file
        4 = stat module failed, likely due to not finding python
        '''
        x = "0"  # unknown error has occured
        try:
            remote_stat = self._execute_remote_stat(path, all_vars, follow=follow)
            if remote_stat['exists'] and remote_stat['isdir']:
                x = "3"  # its a directory not a file
            else:
                x = remote_stat['checksum']  # if 1, file is missing
        except AnsibleError as e:
            errormsg = to_text(e)
            if errormsg.endswith(u'Permission denied'):
                x = "2"  # cannot read file
            elif errormsg.endswith(u'MODULE FAILURE'):
                x = "4"  # python not found or module uncaught exception
        finally:
            return x