Remove restriction to wire a dynamic container

Author: rmk135

src/dependency_injector/wiring.py

@@ -322,9 +322,6 @@ def wire( # noqa: C901
  packages: Optional[Iterable[ModuleType]] = None,
 ) -> None:
  """Wire container providers with provided packages and modules."""
- if not _is_declarative_container_instance(container):
- raise Exception('Can wire only an instance of the declarative container')
-
  if not modules:
  modules = []
 
@@ -655,12 +652,6 @@ def _is_patched(fn):
  return getattr(fn, '__wired__', False) is True
 
 
-def _is_declarative_container_instance(instance: Any) -> bool:
- return (not isinstance(instance, type)
- and getattr(instance, '__IS_CONTAINER__', False) is True
- and getattr(instance, 'declarative_parent', None) is not None)
-
-
 def _is_declarative_container(instance: Any) -> bool:
  return (isinstance(instance, type)
  and getattr(instance, '__IS_CONTAINER__', False) is True

tests/unit/wiring/test_wiring_string_ids_py36.py

@@ -7,7 +7,7 @@
  Provider,
  Closing,
 )
-from dependency_injector import errors
+from dependency_injector import containers, providers, errors
 
 # Runtime import to avoid syntax errors in samples on Python < 3.5
 import os
@@ -335,6 +335,27 @@ def test_closing_resource_bypass_marker_injection(self):
  self.assertIsNot(result_1, result_2)
 
 
+class WireDynamicContainerTest(unittest.TestCase):
+
+ def test_wire(self):
+ sub = containers.DynamicContainer()
+ sub.int_object = providers.Object(1)
+
+ container = containers.DynamicContainer()
+ container.config = providers.Configuration()
+ container.service = providers.Factory(Service)
+ container.sub = sub
+
+ container.wire(
+ modules=[module],
+ packages=[package],
+ )
+ self.addCleanup(container.unwire)
+
+ service = module.test_function()
+ self.assertIsInstance(service, Service)
+
+
 class WiringAsyncInjectionsTest(AsyncTestCase):
 
  def test_async_injections(self):