Merge extension modules (#314)

There were `_packer.so` and `_unpacker.so`.
But single module is simpler than double module.

Merge extension module into single `_msgpack.so`.

6 files changed, 17 insertions, 22 deletions

diff --git a/.travis.yml b/.travis.yml
index fd6125d..822ca9a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -21,7 +21,7 @@ matrix:
       install:
         - pip install -U pip
         - pip install cython
-        - cython --cplus msgpack/_packer.pyx msgpack/_unpacker.pyx
+        - make cython
         - docker pull $DOCKER_IMAGE
       script:
         - docker run --rm -v `pwd`:/io -w /io $DOCKER_IMAGE /io/docker/runtests.sh
@@ -34,19 +34,19 @@ matrix:
       install:
         - pip install -e .
       script:
-        - py.test -v test
+        - pytest -v test
 
 
 install:
   - pip install -U pip
   - pip install cython
-  - cython --cplus msgpack/_packer.pyx msgpack/_unpacker.pyx
+  - make cython
   - pip install -e .
 
 script:
   - python -c 'import sys; print(hex(sys.maxsize))'
-  - python -c 'from msgpack import _packer, _unpacker'
-  - py.test -v test
-  - MSGPACK_PUREPYTHON=x py.test -v test
+  - python -c 'from msgpack import _msgpack'
+  - pytest -v test
+  - MSGPACK_PUREPYTHON=x pytest -v test
 
 # vim: sw=2 ts=2
diff --git a/Makefile b/Makefile
index 124f243..ff9a482 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ all: cython
 
 .PHONY: cython
 cython:
-	cython --cplus msgpack/*.pyx
+	cython --cplus msgpack/_msgpack.pyx
 
 .PHONY: test
 test:
@@ -18,8 +18,7 @@ serve-doc: all
 .PHONY: clean
 clean:
 	rm -rf build
-	rm -f msgpack/_packer.cpp
-	rm -f msgpack/_unpacker.cpp
+	rm -f msgpack/_msgpack.cpp
 	rm -rf msgpack/__pycache__
 	rm -rf test/__pycache__
 
diff --git a/docker/runtests.sh b/docker/runtests.sh
index 113b630..f6c2c68 100755
--- a/docker/runtests.sh
+++ b/docker/runtests.sh
@@ -8,7 +8,7 @@ for V in cp36-cp36m cp35-cp35m cp27-cp27m cp27-cp27mu; do
     $PYBIN/pip install pytest
     pushd test          # prevent importing msgpack package in current directory.
     $PYBIN/python -c 'import sys; print(hex(sys.maxsize))'
-    $PYBIN/python -c 'from msgpack import _packer, _unpacker'
+    $PYBIN/python -c 'from msgpack import _msgpack'  # Ensure extension is available
     $PYBIN/pytest -v .
     popd
 done
diff --git a/msgpack/__init__.py b/msgpack/__init__.py
index 3955a41..7c5d4c0 100644
--- a/msgpack/__init__.py
+++ b/msgpack/__init__.py
@@ -22,8 +22,7 @@ if os.environ.get('MSGPACK_PUREPYTHON'):
     from msgpack.fallback import Packer, unpackb, Unpacker
 else:
     try:
-        from msgpack._packer import Packer
-        from msgpack._unpacker import unpackb, Unpacker
+        from msgpack._msgpack import Packer, unpackb, Unpacker
     except ImportError:
         from msgpack.fallback import Packer, unpackb, Unpacker
 
diff --git a/msgpack/_msgpack.pyx b/msgpack/_msgpack.pyx
new file mode 100644
index 0000000..4381394
--- /dev/null
+++ b/msgpack/_msgpack.pyx
@@ -0,0 +1,4 @@
+# coding: utf-8
+#cython: embedsignature=True, c_string_encoding=ascii
+include "_packer.pyx"
+include "_unpacker.pyx"
diff --git a/setup.py b/setup.py
index c252d81..8b8f7bd 100755
--- a/setup.py
+++ b/setup.py
@@ -68,8 +68,7 @@ if len(version) > 3 and version[3] != 'final':
 if have_cython:
     class Sdist(sdist):
         def __init__(self, *args, **kwargs):
-            for src in glob('msgpack/*.pyx'):
-                cythonize(src)
+            cythonize('msgpack/_msgpack.pyx')
             sdist.__init__(self, *args, **kwargs)
 else:
     Sdist = sdist
@@ -85,14 +84,8 @@ else:
 
 ext_modules = []
 if not hasattr(sys, 'pypy_version_info'):
-    ext_modules.append(Extension('msgpack._packer',
-                                 sources=['msgpack/_packer.cpp'],
-                                 libraries=libraries,
-                                 include_dirs=['.'],
-                                 define_macros=macros,
-                                 ))
-    ext_modules.append(Extension('msgpack._unpacker',
-                                 sources=['msgpack/_unpacker.cpp'],
+    ext_modules.append(Extension('msgpack._msgpack',
+                                 sources=['msgpack/_msgpack.cpp'],
                                  libraries=libraries,
                                  include_dirs=['.'],
                                  define_macros=macros,