Transfer errors module to Cython

docs/main/changelog.rst

@@ -10,6 +10,7 @@ follows `Semantic versioning`_
 Development version
 -------------------
 - Add ``dependency_injector.injections`` module (C extension).
+- Transfer ``dependency_injector.errors`` module to Cython (C extension).
 - Remove ``@inject`` decorator.
 - Add makefile (``clean``, ``test``, ``build``, ``install``, ``uninstall`` 
   & ``publish`` commands).

setup.py

@@ -50,6 +50,10 @@ setup(name='dependency-injector',
                     ['src/dependency_injector/injections.c'],
                     define_macros=defined_macros,
                     extra_compile_args=['-O2']),
+          Extension('dependency_injector.errors',
+                    ['src/dependency_injector/errors.c'],
+                    define_macros=defined_macros,
+                    extra_compile_args=['-O2']),
       ],
       package_data={
           'dependency_injector': ['*.pxd'],

src/dependency_injector/errors.pxd

@@ -0,0 +1,8 @@
+"""Dependency injector errors.
+
+Powered by Cython.
+"""
+
+
+cdef class Error(Exception):
+    pass

src/dependency_injector/errors.pyx

@@ -1,7 +1,10 @@
-"""Dependency injector errors module."""
+"""Dependency injector errors.
+
+Powered by Cython.
+"""
 
 
-class Error(Exception):
+cdef class Error(Exception):
     """Base error.
 
     All dependency injector errors extend this error class.

src/dependency_injector/injections.pxd

@@ -1,6 +1,6 @@
 """Dependency injector injections.
 
-Cython optimized code.
+Powered by Cython.
 """
 
 cimport cython

src/dependency_injector/injections.pyx

@@ -1,6 +1,6 @@
 """Dependency injector injections.
 
-Cython optimized code.
+Powered by Cython.
 """
 
 cimport cython