Merge branch 'release/3.14.3' into master

docs/main/changelog.rst

@@ -7,6 +7,13 @@ that were made in every particular version.
 From version 0.7.6 *Dependency Injector* framework strictly 
 follows `Semantic versioning`_
 
+3.14.3
+------
+- Fix issue with copying providers that have  system streams injections
+  (``sys.stdin``, ``sys.stdout`` and ``sys.stderr``).
+- Add support of six 1.12.0.
+- Regenerate C sources using Cython 0.29.2.
+
 3.14.2
 ------
 - Set Cython ``language_level=2``.

requirements-dev.txt

@@ -1,4 +1,4 @@
-cython==0.29
+cython==0.29.2
 tox
 unittest2
 coverage

requirements.txt

@@ -1 +1 @@
-six>=1.7.0,<=1.11.0
+six>=1.7.0,<=1.12.0

src/dependency_injector/__init__.py

@@ -1,6 +1,6 @@
 """Dependency injector top-level package."""
 
-__version__ = '3.14.2'
+__version__ = '3.14.3'
 """Version number that follows semantic versioning.
 
 :type: str

src/dependency_injector/containers.c

@@ -1,4 +1,4 @@
-/* Generated by Cython 0.29 */
+/* Generated by Cython 0.29.2 */
 
 #define PY_SSIZE_T_CLEAN
 #include "Python.h"
@@ -7,8 +7,8 @@
 #elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000)
     #error Cython requires Python 2.6+ or Python 3.3+.
 #else
-#define CYTHON_ABI "0_29"
-#define CYTHON_HEX_VERSION 0x001D00F0
+#define CYTHON_ABI "0_29_2"
+#define CYTHON_HEX_VERSION 0x001D02F0
 #define CYTHON_FUTURE_DIVISION 0
 #include <stddef.h>
 #ifndef offsetof
@@ -197,6 +197,9 @@
   #undef SHIFT
   #undef BASE
   #undef MASK
+  #ifdef SIZEOF_VOID_P
+    enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) };
+  #endif
 #endif
 #ifndef __has_attribute
   #define __has_attribute(x) 0
@@ -1902,7 +1905,7 @@ static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args,
   #include "frameobject.h"
   #define __Pxy_PyFrame_Initialize_Offsets()\
     ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\
-     (void)(__pyx_pyframe_localsplus_offset = PyFrame_Type.tp_basicsize - Py_MEMBER_SIZE(PyFrameObject, f_localsplus)))
+     (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus)))
   #define __Pyx_PyFrame_GetLocalsplus(frame)\
     (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset))
 #endif
@@ -10325,17 +10328,6 @@ static CYTHON_SMALL_CODE int __Pyx_InitCachedConstants(void) {
   __Pyx_GOTREF(__pyx_slice_);
   __Pyx_GIVEREF(__pyx_slice_);
 
-  /* "dependency_injector/containers.pyx":338
- *             raise Error('Container {0} is not overridden'.format(cls))
- * 
- *         cls.overridden = cls.overridden[:-1]             # <<<<<<<<<<<<<<
- * 
- *         for provider in six.itervalues(cls.providers):
- */
-  __pyx_slice_ = PySlice_New(Py_None, __pyx_int_neg_1, Py_None); if (unlikely(!__pyx_slice_)) __PYX_ERR(0, 338, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_slice_);
-  __Pyx_GIVEREF(__pyx_slice_);
-
   /* "dependency_injector/containers.pyx":365
  *     :rtype: callable(:py:class:`DeclarativeContainer`)
  *     """
@@ -10876,11 +10868,13 @@ static CYTHON_SMALL_CODE int __Pyx_check_single_interpreter(void) {
     }
     return 0;
 }
-static CYTHON_SMALL_CODE int __Pyx_copy_spec_to_module(PyObject *spec, PyObject *moddict, const char* from_name, const char* to_name) {
+static CYTHON_SMALL_CODE int __Pyx_copy_spec_to_module(PyObject *spec, PyObject *moddict, const char* from_name, const char* to_name, int allow_none) {
     PyObject *value = PyObject_GetAttrString(spec, from_name);
     int result = 0;
     if (likely(value)) {
-        result = PyDict_SetItemString(moddict, to_name, value);
+        if (allow_none || value != Py_None) {
+            result = PyDict_SetItemString(moddict, to_name, value);
+        }
         Py_DECREF(value);
     } else if (PyErr_ExceptionMatches(PyExc_AttributeError)) {
         PyErr_Clear();
@@ -10902,10 +10896,10 @@ static CYTHON_SMALL_CODE PyObject* __pyx_pymod_create(PyObject *spec, CYTHON_UNU
     if (unlikely(!module)) goto bad;
     moddict = PyModule_GetDict(module);
     if (unlikely(!moddict)) goto bad;
-    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "loader", "__loader__") < 0)) goto bad;
-    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "origin", "__file__") < 0)) goto bad;
-    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "parent", "__package__") < 0)) goto bad;
-    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "submodule_search_locations", "__path__") < 0)) goto bad;
+    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "loader", "__loader__", 1) < 0)) goto bad;
+    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "origin", "__file__", 1) < 0)) goto bad;
+    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "parent", "__package__", 1) < 0)) goto bad;
+    if (unlikely(__Pyx_copy_spec_to_module(spec, moddict, "submodule_search_locations", "__path__", 0) < 0)) goto bad;
     return module;
 bad:
     Py_XDECREF(module);
@@ -14608,7 +14602,7 @@ void __Pyx_Coroutine_ExceptionClear(__Pyx_ExcInfoStruct *exc_state) {
 #define __Pyx_Coroutine_AlreadyRunningError(gen)  (__Pyx__Coroutine_AlreadyRunningError(gen), (PyObject*)NULL)
 static void __Pyx__Coroutine_AlreadyRunningError(CYTHON_UNUSED __pyx_CoroutineObject *gen) {
     const char *msg;
-    if (0) {
+    if ((0)) {
     #ifdef __Pyx_Coroutine_USED
     } else if (__Pyx_Coroutine_Check((PyObject*)gen)) {
         msg = "coroutine already executing";
@@ -14625,7 +14619,7 @@ static void __Pyx__Coroutine_AlreadyRunningError(CYTHON_UNUSED __pyx_CoroutineOb
 #define __Pyx_Coroutine_NotStartedError(gen)  (__Pyx__Coroutine_NotStartedError(gen), (PyObject*)NULL)
 static void __Pyx__Coroutine_NotStartedError(CYTHON_UNUSED PyObject *gen) {
     const char *msg;
-    if (0) {
+    if ((0)) {
     #ifdef __Pyx_Coroutine_USED
     } else if (__Pyx_Coroutine_Check(gen)) {
         msg = "can't send non-None value to a just-started coroutine";

src/dependency_injector/providers.pyx

@@ -2075,4 +2075,19 @@ cpdef str represent_provider(object provider, object provides):
 
 cpdef object deepcopy(object instance, dict memo=None):
     """Return full copy of provider or container with providers."""
+    if memo is None:
+        memo = dict()
+
+    __add_sys_streams(memo)
+
     return copy.deepcopy(instance, memo)
+
+def __add_sys_streams(memo):
+    """Add system streams to memo dictionary.
+
+    This helps to avoid copying of system streams while making a deepcopy of
+    objects graph.
+    """
+    memo[id(sys.stdin)] = sys.stdin
+    memo[id(sys.stdout)] = sys.stdout
+    memo[id(sys.stderr)] = sys.stderr

tests/unit/providers/test_callables_py2_py3.py

@@ -1,5 +1,7 @@
 """Dependency injector callable providers unit tests."""
 
+import sys
+
 import unittest2 as unittest
 
 from dependency_injector import (
@@ -167,6 +169,18 @@ class CallableTests(unittest.TestCase):
         self.assertIsNot(object_provider, object_provider_copy)
         self.assertIsInstance(object_provider_copy, providers.Object)
 
+    def test_deepcopy_with_sys_streams(self):
+        provider = providers.Callable(_example)
+        provider.add_args(sys.stdin)
+        provider.add_kwargs(a2=sys.stdout)
+
+        provider_copy = providers.deepcopy(provider)
+
+        self.assertIsNot(provider, provider_copy)
+        self.assertIsInstance(provider_copy, providers.Callable)
+        self.assertIs(provider.args[0], sys.stdin)
+        self.assertIs(provider.kwargs['a2'], sys.stdout)
+
     def test_repr(self):
         provider = providers.Callable(_example)
 

tests/unit/providers/test_factories_py2_py3.py

@@ -1,5 +1,7 @@
 """Dependency injector factory providers unit tests."""
 
+import sys
+
 import unittest2 as unittest
 
 from dependency_injector import (
@@ -321,6 +323,20 @@ class FactoryTests(unittest.TestCase):
         self.assertIsNot(object_provider, object_provider_copy)
         self.assertIsInstance(object_provider_copy, providers.Object)
 
+    def test_deepcopy_with_sys_streams(self):
+        provider = providers.Factory(Example)
+        provider.add_args(sys.stdin)
+        provider.add_kwargs(a2=sys.stdout)
+        provider.add_attributes(a3=sys.stderr)
+
+        provider_copy = providers.deepcopy(provider)
+
+        self.assertIsNot(provider, provider_copy)
+        self.assertIsInstance(provider_copy, providers.Factory)
+        self.assertIs(provider.args[0], sys.stdin)
+        self.assertIs(provider.kwargs['a2'], sys.stdout)
+        self.assertIs(provider.attributes['a3'], sys.stderr)
+
     def test_repr(self):
         provider = providers.Factory(Example)
 

tests/unit/providers/test_singletons_py2_py3.py

@@ -1,5 +1,7 @@
 """Dependency injector singleton providers unit tests."""
 
+import sys
+
 import unittest2 as unittest
 
 from dependency_injector import (
@@ -322,6 +324,20 @@ class _BaseSingletonTestCase(object):
         self.assertIsNot(object_provider, object_provider_copy)
         self.assertIsInstance(object_provider_copy, providers.Object)
 
+    def test_deepcopy_with_sys_streams(self):
+        provider = providers.Singleton(Example)
+        provider.add_args(sys.stdin)
+        provider.add_kwargs(a2=sys.stdout)
+        provider.add_attributes(a3=sys.stderr)
+
+        provider_copy = providers.deepcopy(provider)
+
+        self.assertIsNot(provider, provider_copy)
+        self.assertIsInstance(provider_copy, providers.Singleton)
+        self.assertIs(provider.args[0], sys.stdin)
+        self.assertIs(provider.kwargs['a2'], sys.stdout)
+        self.assertIs(provider.attributes['a3'], sys.stderr)
+
     def test_reset(self):
         provider = self.singleton_cls(object)