Add windows build to travis (#32)

Author: scaramallion

.travis.yml

@@ -14,6 +14,13 @@ matrix:
           env:
             - TEST_SUITE=osx
             - TRAVIS_PYTHON_VERSION=3.6.8
+        # Windows
+        - name: "Python 3.6, Windows + pydicom"
+          os: windows
+          language: shell
+          env:
+            - TEST_SUITE=windows
+            - TRAVIS_PYTHON_VERSION=3.6.8
         # Conda next, also takes a while
         - name: "Python 3.6, Ubuntu + conda + pydicom"
           os: linux

build_tools/travis/install.sh

@@ -47,6 +47,18 @@ elif [[ "$TEST_SUITE" == 'conda' ]]; then
     conda activate test-environment
     conda install --yes nose pytest pytest-cov setuptools
     conda install --yes -c conda-forge pydicom
+elif [[ "$TEST_SUITE" == 'windows' ]]; then
+    choco install python --version $TRAVIS_PYTHON_VERSION
+    #ls /c
+    #echo ""
+    #echo "chocolatey installs:"
+    #ls /c/ProgramData/chocolatey/bin/
+    #ls /c/Python36  # make this generic
+    #echo $PATH
+    #echo $CL
+    export PATH="/c/Python36:/c/Python36/Scripts:$PATH"  # make this generic
+    python -m pip install --upgrade pip
+    python -m pip install pydicom pytest pytest-cov
 else
     pip install pytest pytest-cov
 fi

pylibjpeg/tests/test_environment.py

@@ -43,6 +43,8 @@ def test_os(self):
         elif os_name == 'linux':
             assert platform.system() == 'Linux'
             assert "CPython" in platform.python_implementation()
+        elif os_name == 'windows':
+            assert platform.system() == 'Windows'
         else:
             raise NotImplementedError("Unknown 'TRAVIS_OS_NAME' value")
 

setup.py

@@ -114,7 +114,9 @@ def get_source_files():
 extra_compile_args = []
 extra_link_args = []
 if platform.system() == 'Windows':
-    os.environ['LIB'] == os.path.join(sys.executable, '../', 'libs')
+    os.environ['LIB'] = os.path.abspath(
+        os.path.join(sys.executable, '../', 'libs')
+    )
     extra_compile_args = get_mscv_args()
 elif platform.system() in ['Darwin', 'Linux']:
     opts = get_gcc_args()