From b727be3f9a3165a7a659ed6249ec33d9c44ea8eb Mon Sep 17 00:00:00 2001
From: Roman Mogylatov <rmogilatov@gmail.com>
Date: Wed, 24 Jun 2020 12:41:18 -0400
Subject: [PATCH] Add overriding logic for Container provider

---
 src/dependency_injector/providers.c   | 1030 ++++++++++++++++---------
 src/dependency_injector/providers.pyx |   15 +-
 2 files changed, 664 insertions(+), 381 deletions(-)

diff --git a/src/dependency_injector/providers.c b/src/dependency_injector/providers.c
index d6680501..20138d6f 100644
--- a/src/dependency_injector/providers.c
+++ b/src/dependency_injector/providers.c
@@ -2820,7 +2820,6 @@ static const char __pyx_k_Incompatible_checksums_s_vs_0xd8[] = "Incompatible che
 static const char __pyx_k_Incompatible_checksums_s_vs_0xea[] = "Incompatible checksums (%s vs 0xea40b5d = (__children, __last_overriding, __linked, __name, __overridden, __provides))";
 static const char __pyx_k_Incompatible_checksums_s_vs_0xf1[] = "Incompatible checksums (%s vs 0xf1f5217 = (__instance_of, __last_overriding, __overridden))";
 static const char __pyx_k_Package_asyncio_is_not_available[] = "Package asyncio is not available";
-static const char __pyx_k_Provider_0_can_not_be_overridden[] = "Provider {0} can not be overridden";
 static const char __pyx_k_Provider_0_could_not_be_overridd[] = "Provider {0} could not be overridden with itself";
 static const char __pyx_k_Provider_0_expected_to_get_calla[] = "Provider {0} expected to get callable, got {0}";
 static const char __pyx_k_Provider_0_expected_to_get_corou[] = "Provider {0} expected to get coroutine function, got {1}";
@@ -2897,7 +2896,6 @@ static PyObject *__pyx_kp_s_Package_asyncio_is_not_available;
 static PyObject *__pyx_n_s_PickleError;
 static PyObject *__pyx_n_s_PositionalInjection;
 static PyObject *__pyx_n_s_Provider;
-static PyObject *__pyx_kp_s_Provider_0_can_not_be_overridden;
 static PyObject *__pyx_kp_s_Provider_0_could_not_be_overridd;
 static PyObject *__pyx_kp_s_Provider_0_expected_to_get_calla;
 static PyObject *__pyx_kp_s_Provider_0_expected_to_get_corou;
@@ -3289,10 +3287,12 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_4List_16__setstate_cy
 static int __pyx_pf_19dependency_injector_9providers_9Container___init__(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self, PyObject *__pyx_v_container_cls, PyObject *__pyx_v_container, PyObject *__pyx_v_overriding_providers); /* proto */
 static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_2__deepcopy__(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self, PyObject *__pyx_v_memo); /* proto */
 static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_4__getattr__(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self, PyObject *__pyx_v_name); /* proto */
-static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_6override(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_provider); /* proto */
-static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_8_provide(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self, PyObject *__pyx_v_args, PyObject *__pyx_v_kwargs); /* proto */
-static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_10__reduce_cython__(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_12__setstate_cython__(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */
+static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_6override(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self, PyObject *__pyx_v_provider); /* proto */
+static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_8reset_last_overriding(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_10reset_override(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_12_provide(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self, PyObject *__pyx_v_args, PyObject *__pyx_v_kwargs); /* proto */
+static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_14__reduce_cython__(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_16__setstate_cython__(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */
 static PyObject *__pyx_pf_19dependency_injector_9providers_9Injection___reduce_cython__(struct __pyx_obj_19dependency_injector_9providers_Injection *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_19dependency_injector_9providers_9Injection_2__setstate_cython__(struct __pyx_obj_19dependency_injector_9providers_Injection *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */
 static int __pyx_pf_19dependency_injector_9providers_19PositionalInjection___init__(struct __pyx_obj_19dependency_injector_9providers_PositionalInjection *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
@@ -37824,7 +37824,7 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_2__deepcop
  *             deepcopy(self.container, memo),
  *             **deepcopy(self.overriding_providers, memo),             # <<<<<<<<<<<<<<
  *         )
- *         # self._copy_overridings(copied, memo)
+ *         self._copy_overridings(copied, memo)
  */
   __pyx_t_4 = __pyx_v_self->overriding_providers;
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@@ -37863,8 +37863,19 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_2__deepcop
   __Pyx_DECREF_SET(__pyx_v_copied, __pyx_t_8);
   __pyx_t_8 = 0;
 
+  /* "dependency_injector/providers.pyx":2163
+ *             **deepcopy(self.overriding_providers, memo),
+ *         )
+ *         self._copy_overridings(copied, memo)             # <<<<<<<<<<<<<<
+ * 
+ *         return copied
+ */
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+  if (!(likely(PyDict_CheckExact(__pyx_v_memo))||((__pyx_v_memo) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "dict", Py_TYPE(__pyx_v_memo)->tp_name), 0))) __PYX_ERR(1, 2163, __pyx_L1_error)
+  ((struct __pyx_vtabstruct_19dependency_injector_9providers_Container *)__pyx_v_self->__pyx_base.__pyx_vtab)->__pyx_base._copy_overridings(((struct __pyx_obj_19dependency_injector_9providers_Provider *)__pyx_v_self), ((struct __pyx_obj_19dependency_injector_9providers_Provider *)__pyx_v_copied), ((PyObject*)__pyx_v_memo), 0);
+
   /* "dependency_injector/providers.pyx":2165
- *         # self._copy_overridings(copied, memo)
+ *         self._copy_overridings(copied, memo)
  * 
  *         return copied             # <<<<<<<<<<<<<<
  * 
@@ -38099,7 +38110,7 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_4__getattr
  * 
  *     def override(self, provider):             # <<<<<<<<<<<<<<
  *         """Override provider with another provider."""
- *         raise Error('Provider {0} can not be overridden'.format(self))
+ *         self.container.override(provider)
  */
 
 /* Python wrapper */
@@ -38116,14 +38127,12 @@ static PyObject *__pyx_pw_19dependency_injector_9providers_9Container_7override(
   return __pyx_r;
 }
 
-static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_6override(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v_provider) {
+static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_6override(struct __pyx_obj_19dependency_injector_9providers_Container *__pyx_v_self, PyObject *__pyx_v_provider) {
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@@ -38132,55 +38141,76 @@ static PyObject *__pyx_pf_19dependency_injector_9providers_9Container_6override(
   /* "dependency_injector/providers.pyx":2178
  *     def override(self, provider):
  *         """Override provider with another provider."""
- *         raise Error('Provider {0} can not be overridden'.format(self))             # <<<<<<<<<<<<<<
+ *         self.container.override(provider)             # <<<<<<<<<<<<<<
+ *         return super(Container, self).override(provider)
  * 
- *     cpdef object _provide(self, tuple args, dict kwargs):
  */
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+  /* "dependency_injector/providers.pyx":2179
+ *         """Override provider with another provider."""
+ *         self.container.override(provider)
+ *         return super(Container, self).override(provider)             # <<<<<<<<<<<<<<
+ * 
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+ */
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   /* "dependency_injector/providers.pyx":2176
  *         return getattr(self.container, name)
  * 
  *     def override(self, provider):             # <<<<<<<<<<<<<<
  *         """Override provider with another provider."""
- *         raise Error('Provider {0} can not be overridden'.format(self))
+ *         self.container.override(provider)
  */
 
   /* function exit code */
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+/* "dependency_injector/providers.pyx":2181
+ *         return super(Container, self).override(provider)
+ * 
+ *     def reset_last_overriding(self):             # <<<<<<<<<<<<<<
+ *         """Reset last overriding provider."""
+ *         self.container.reset_last_overriding()
+ */
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-  /* "dependency_injector/providers.pyx":2367
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-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type_19dependency_injector_9providers_Injection) < 0) __PYX_ERR(1, 2185, __pyx_L1_error)
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s_Injection, (PyObject *)&__pyx_type_19dependency_injector_9providers_Injection) < 0) __PYX_ERR(1, 2196, __pyx_L1_error)
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-  if (PyType_Ready(&__pyx_type_19dependency_injector_9providers_PositionalInjection) < 0) __PYX_ERR(1, 2189, __pyx_L1_error)
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   #endif
@@ -64641,7 +64913,7 @@ static int __Pyx_modinit_type_init_code(void) {
   }
   #if CYTHON_COMPILING_IN_CPYTHON
   {
-    PyObject *wrapper = PyObject_GetAttrString((PyObject *)&__pyx_type_19dependency_injector_9providers_PositionalInjection, "__init__"); if (unlikely(!wrapper)) __PYX_ERR(1, 2189, __pyx_L1_error)
+    PyObject *wrapper = PyObject_GetAttrString((PyObject *)&__pyx_type_19dependency_injector_9providers_PositionalInjection, "__init__"); if (unlikely(!wrapper)) __PYX_ERR(1, 2200, __pyx_L1_error)
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       __pyx_wrapperbase_19dependency_injector_9providers_19PositionalInjection___init__.doc = __pyx_doc_19dependency_injector_9providers_19PositionalInjection___init__;
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   }
   #endif
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-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type_19dependency_injector_9providers_PositionalInjection) < 0) __PYX_ERR(1, 2189, __pyx_L1_error)
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s_PositionalInjection, (PyObject *)&__pyx_type_19dependency_injector_9providers_PositionalInjection) < 0) __PYX_ERR(1, 2200, __pyx_L1_error)
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-  if (PyType_Ready(&__pyx_type_19dependency_injector_9providers_NamedInjection) < 0) __PYX_ERR(1, 2217, __pyx_L1_error)
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   __pyx_type_19dependency_injector_9providers_NamedInjection.tp_print = 0;
   #endif
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   }
   #if CYTHON_COMPILING_IN_CPYTHON
   {
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-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type_19dependency_injector_9providers_NamedInjection) < 0) __PYX_ERR(1, 2217, __pyx_L1_error)
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   PyType_Modified(__pyx_ptype_19dependency_injector_9providers_DelegatedThreadLocalSingleton);
 
-  /* "dependency_injector/providers.pyx":2356
+  /* "dependency_injector/providers.pyx":2367
  *     return copy.deepcopy(instance, memo)
  * 
  * def __add_sys_streams(memo):             # <<<<<<<<<<<<<<
  *     """Add system streams to memo dictionary.
  * 
  */
-  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_19dependency_injector_9providers_15__add_sys_streams, NULL, __pyx_n_s_dependency_injector_providers); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 2356, __pyx_L1_error)
+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_19dependency_injector_9providers_15__add_sys_streams, NULL, __pyx_n_s_dependency_injector_providers); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 2367, __pyx_L1_error)
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-  if (PyDict_SetItem(__pyx_d, __pyx_n_s_add_sys_streams, __pyx_t_1) < 0) __PYX_ERR(1, 2356, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_d, __pyx_n_s_add_sys_streams, __pyx_t_1) < 0) __PYX_ERR(1, 2367, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "dependency_injector/providers.pyx":2367
+  /* "dependency_injector/providers.pyx":2378
  * 
  * 
  * def merge_dicts(dict1, dict2):             # <<<<<<<<<<<<<<
  *     """Merge dictionaries recursively.
  * 
  */
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+  __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_19dependency_injector_9providers_17merge_dicts, NULL, __pyx_n_s_dependency_injector_providers); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 2378, __pyx_L1_error)
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-  if (PyDict_SetItem(__pyx_d, __pyx_n_s_merge_dicts, __pyx_t_1) < 0) __PYX_ERR(1, 2367, __pyx_L1_error)
+  if (PyDict_SetItem(__pyx_d, __pyx_n_s_merge_dicts, __pyx_t_1) < 0) __PYX_ERR(1, 2378, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
   /* "(tree fragment)":1
diff --git a/src/dependency_injector/providers.pyx b/src/dependency_injector/providers.pyx
index a8d57f2b..988748fc 100644
--- a/src/dependency_injector/providers.pyx
+++ b/src/dependency_injector/providers.pyx
@@ -2160,7 +2160,7 @@ cdef class Container(Provider):
             deepcopy(self.container, memo),
             **deepcopy(self.overriding_providers, memo),
         )
-        # self._copy_overridings(copied, memo)
+        self._copy_overridings(copied, memo)
 
         return copied
 
@@ -2175,7 +2175,18 @@ cdef class Container(Provider):
 
     def override(self, provider):
         """Override provider with another provider."""
-        raise Error('Provider {0} can not be overridden'.format(self))
+        self.container.override(provider)
+        return super(Container, self).override(provider)
+
+    def reset_last_overriding(self):
+        """Reset last overriding provider."""
+        self.container.reset_last_overriding()
+        return super(Container, self).reset_last_overriding()
+
+    def reset_override(self):
+        """Reset all overriding providers."""
+        self.container.reset_override()
+        return super(Container, self).reset_override()
 
     cpdef object _provide(self, tuple args, dict kwargs):
         """Return single instance."""