fixed issue with dictionary collection

CHANGELOG.md

@@ -1,6 +1,9 @@
+1.0.3 - 2022/07/24
+* Fixed issue with dictionary collection: https://github.com/anikolaienko/py-automapper/issues/4
+
 1.0.2 - 2022/07/24
 * Bug fix: pass parameters override in MappingWrapper.map
-* Added support for mapping fields with different names
+* Added support for mapping fields with different names: https://github.com/anikolaienko/py-automapper/issues/3
 
 1.0.1 - 2022/01/05
 * Bug fix

automapper/mapper.py

@@ -237,7 +237,7 @@ def _map_subobject(
                         k: self._map_subobject(
                             v, _visited_stack, skip_none_values=skip_none_values
                         )
-                        for k, v in obj
+                        for k, v in obj.items()
                     }
                 else:
                     result = type(obj)(  # type: ignore [call-arg]

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "py-automapper"
-version = "1.0.0"
+version = "1.0.3"
 description = "Library for automatically mapping one object to another"
 authors = ["Andrii Nikolaienko <anikolaienko14@gmail.com>"]
 license = "MIT"

tests/test_automapper_dict_field.py

@@ -0,0 +1,47 @@
+from copy import deepcopy
+from typing import Any, Dict
+
+from automapper import mapper
+
+
+class Candy:
+    def __init__(self, name: str, brand: str):
+        self.name = name
+        self.brand = brand
+
+
+class Shop:
+    def __init__(self, products: Dict[str, Any], annual_income: int):
+        self.products: Dict[str, Any] = deepcopy(products)
+        self.annual_income = annual_income
+
+
+class ShopPublicInfo:
+    def __init__(self, products: Dict[str, Any]):
+        self.products: Dict[str, Any] = deepcopy(products)
+
+
+def test_map__with_dict_field():
+    products = {
+        "magazines": ["Forbes", "Time", "The New Yorker"],
+        "candies": [
+            Candy("Reese's cups", "The Hershey Company"),
+            Candy("Snickers", "Mars, Incorporated"),
+        ],
+    }
+    shop = Shop(products=products, annual_income=10000000)
+
+    public_info = mapper.to(ShopPublicInfo).map(shop)
+
+    assert public_info.products["magazines"] == shop.products["magazines"]
+    assert id(public_info.products["magazines"]) != id(shop.products["magazines"])
+
+    assert public_info.products["candies"] != shop.products["candies"]
+    assert public_info.products["candies"][0] != shop.products["candies"][0]
+    assert public_info.products["candies"][1] != shop.products["candies"][1]
+
+    assert public_info.products["candies"][0].name == "Reese's cups"
+    assert public_info.products["candies"][0].brand == "The Hershey Company"
+
+    assert public_info.products["candies"][1].name == "Snickers"
+    assert public_info.products["candies"][1].brand == "Mars, Incorporated"