a Šxd=ã@sdd„Zdd„ZdS)c Cs„z\t|tƒr|}n6t|tƒr8| d¡\}}|| ¡f}n|jj|jjf}t|ƒdksXJ‚|WSt t fy~t d|ƒ‚Yn0dS)zã Take a model or a string of the form "app_label.ModelName" and return a corresponding ("app_label", "modelname") tuple. If a tuple is passed in, assume it's a valid model tuple already and return it unchanged. Ú.éz`Invalid model reference '%s'. String model references must be of the form 'app_label.ModelName'.N) Ú isinstanceÚtupleÚstrÚsplitÚlowerZ_metaÚ app_labelÚ model_nameÚlenÚ ValueErrorÚAssertionError)ÚmodelZ model_tuplerr ©rúN/var/www/html/Ranjet/env/lib/python3.9/site-packages/django/db/models/utils.pyÚmake_model_tuples  ÿÿrccs.| ¡D] \}}|t|ƒr |ƒn|fVqdS)zp Generate key/value pairs for the given mapping where the values are evaluated if they're callable. N)ÚitemsÚcallable)ÚmappingÚkÚvrrrÚresolve_callablessrN)rrrrrrÚs