WIP super dirty - change to descriptors and different tries

ormar/models/helpers/models.py

@@ -67,6 +67,11 @@ def populate_default_options_values(
         for name, field in new_model.Meta.model_fields.items()
         if field.__type__ == pydantic.Json
     }
+    new_model._bytes_fields = {
+        name
+        for name, field in new_model.Meta.model_fields.items()
+        if field.__type__ == bytes
+    }
 
 
 class Connection(sqlite3.Connection):

ormar/models/helpers/relations.py

@@ -3,6 +3,7 @@ from typing import TYPE_CHECKING, Type, cast
 import ormar
 from ormar import ForeignKey, ManyToMany
 from ormar.fields import Through
+from ormar.models.descriptors import RelationDescriptor
 from ormar.models.helpers.sqlalchemy import adjust_through_many_to_many_model
 from ormar.relations import AliasManager
 
@@ -130,6 +131,8 @@ def register_reverse_model_fields(model_field: "ForeignKeyField") -> None:
             orders_by=model_field.related_orders_by,
             skip_field=model_field.skip_reverse,
         )
+    if not model_field.skip_reverse:
+        setattr(model_field.to, related_name, RelationDescriptor(name=related_name))
 
 
 def register_through_shortcut_fields(model_field: "ManyToManyField") -> None:
@@ -160,6 +163,8 @@ def register_through_shortcut_fields(model_field: "ManyToManyField") -> None:
         owner=model_field.to,
         nullable=True,
     )
+    setattr(model_field.owner, through_name, RelationDescriptor(name=through_name))
+    setattr(model_field.to, through_name, RelationDescriptor(name=through_name))
 
 
 def register_relation_in_alias_manager(field: "ForeignKeyField") -> None:

ormar/models/helpers/sqlalchemy.py

@@ -4,6 +4,7 @@ from typing import Dict, List, Optional, TYPE_CHECKING, Tuple, Type, Union
 import sqlalchemy
 
 import ormar  # noqa: I100, I202
+from ormar.models.descriptors import RelationDescriptor
 from ormar.models.helpers.pydantic import create_pydantic_field
 from ormar.models.helpers.related_names_validation import (
     validate_related_names_in_relations,
@@ -33,6 +34,7 @@ def adjust_through_many_to_many_model(model_field: "ManyToManyField") -> None:
         ondelete="CASCADE",
         owner=model_field.through,
     )
+
     model_fields[child_name] = ormar.ForeignKey(  # type: ignore
         model_field.owner,
         real_name=child_name,
@@ -50,6 +52,9 @@ def adjust_through_many_to_many_model(model_field: "ManyToManyField") -> None:
     create_pydantic_field(parent_name, model_field.to, model_field)
     create_pydantic_field(child_name, model_field.owner, model_field)
 
+    setattr(model_field.through, parent_name, RelationDescriptor(name=parent_name))
+    setattr(model_field.through, child_name, RelationDescriptor(name=child_name))
+
 
 def create_and_append_m2m_fk(
     model: Type["Model"], model_field: "ManyToManyField", field_name: str

ormar/models/helpers/validation.py

@@ -1,3 +1,4 @@
+import base64
 import datetime
 import decimal
 import numbers
@@ -77,7 +78,10 @@ def convert_choices_if_needed(  # noqa: CCR001
         )
         choices = [round(float(o), precision) for o in choices]
     elif field.__type__ == bytes:
-        value = value if isinstance(value, bytes) else value.encode("utf-8")
+        if field.represent_as_base64_str:
+            value = value if isinstance(value, bytes) else base64.b64decode(value)
+        else:
+            value = value if isinstance(value, bytes) else value.encode("utf-8")
 
     return value, choices