added back lost code: safe and unsafe str

asyncron/base/models.py

@@ -1,5 +1,6 @@
 from django.db import models
 from django.contrib.contenttypes.fields import GenericRelation
+from django.core.exceptions import SynchronousOnlyOperation
 from asgiref.sync import sync_to_async
 
 from asyncron.utils import rgetattr
@@ -47,6 +48,17 @@ class BaseModel( models.Model ):
 		if fields:
 			await sync_to_async(lambda: [ rgetattr(self, f) for f in fields ])()
 
+	def __str__( self ):
+
+		if hasattr( self, '__str_unsafe__' ):
+			try: return self.__str_unsafe__()
+			except SynchronousOnlyOperation: pass
+
+		if hasattr( self, '__str_safe__' ):
+			return self.__str_safe__()
+
+		return super().__str__()
+
 
 	@classmethod
 	def presentation( cls, name ):