feat: django compatibility field name (#2160)

Author: waketzheng

tests/fields/test_common.py

@@ -27,3 +27,12 @@ async def test_if_has_non_null_default_then_not_required():
 @pytest.mark.asyncio
 async def test_if_null_default_then_required():
     assert fields.TextField(default=None).required is True
+
+
+def test_django_field_name_compatibility():
+    assert fields.IntegerField is fields.IntField
+    assert fields.BigIntegerField is fields.BigIntField
+    assert fields.SmallIntegerField is fields.SmallIntField
+    assert fields.DateTimeField is fields.DatetimeField
+    assert fields.DurationField is fields.TimeDeltaField
+    assert fields.ForeignKey is fields.ForeignKeyField

tortoise/fields/__init__.py

@@ -80,4 +80,18 @@
     "OneToOneNullableRelation",
     "OneToOneRelation",
     "ReverseRelation",
+    "IntegerField",
+    "SmallIntegerField",
+    "DurationField",
+    "BigIntegerField",
+    "DateTimeField",
+    "ForeignKey",
 ]
+
+# Django field name compatibility
+from tortoise.fields.data import BigIntField as BigIntegerField
+from tortoise.fields.data import DatetimeField as DateTimeField
+from tortoise.fields.data import IntField as IntegerField
+from tortoise.fields.data import SmallIntField as SmallIntegerField
+from tortoise.fields.data import TimeDeltaField as DurationField
+from tortoise.fields.relational import ForeignKeyField as ForeignKey