Fix bug in run_python_tests.sh

* Also, test_plot cannot run in MacOS because of matplotlib & ipython's
  limit.
* Add missing dependency in setup.py.
* fix #2264

cmake/util.cmake

@@ -149,8 +149,9 @@ endfunction()
 # Create a python unittest using run_python_tests.sh,
 # which takes care of making correct running environment
 function(add_python_test TEST_NAME)
-    add_test(NAME ${TEST_NAME}
-        COMMAND bash ${PROJ_ROOT}/paddle/scripts/run_python_tests.sh
+  add_test(NAME ${TEST_NAME}
+        COMMAND env PADDLE_PACKAGE_DIR=${PADDLE_PYTHON_PACKAGE_DIR}
+        bash ${PROJ_ROOT}/paddle/scripts/run_python_tests.sh
         ${USE_VIRTUALENV_FOR_TEST} ${PYTHON_EXECUTABLE} ${ARGN}
         WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 endfunction()

paddle/scripts/run_python_tests.sh

@@ -28,8 +28,13 @@ if [ $USE_VIRTUALENV_FOR_TEST -ne 0 ]; then
    PYTHON=python
 fi
 
-export PYTHONPATH=$SCRIPTPATH/../../python/
-$PYTHON -m pip install $SCRIPTPATH/../dist/*.whl requests matplotlib opencv-python ipython==5.3
+$PYTHON -m pip install $SCRIPTPATH/../dist/*.whl
+
+if [ "X${PADDLE_PACKAGE_DIR}" != "X" ]; then
+   $PYTHON -m pip install ${PADDLE_PACKAGE_DIR}/*.whl
+fi
+
+$PYTHON -m pip install ipython==5.3
 
 for fn in "$@"
 do

python/CMakeLists.txt

@@ -23,7 +23,9 @@ add_custom_command(OUTPUT ${OUTPUT_DIR}/.timestamp
 add_custom_target(paddle_python ALL DEPENDS
     ${OUTPUT_DIR}/.timestamp)
 
+set(PADDLE_PYTHON_PACKAGE_DIR ${CMAKE_CURRENT_BINARY_DIR}/dist/)
 add_subdirectory(paddle/trainer_config_helpers/tests)
+
 if (WITH_SWIG_PY)
   # enable v2 API unittest only when paddle swig api is compiled
   add_subdirectory(paddle/v2/tests)
@@ -31,6 +33,6 @@ if (WITH_SWIG_PY)
   add_subdirectory(paddle/v2/plot/tests)
 endif()
 
-install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/dist/
+install(DIRECTORY ${PADDLE_PYTHON_PACKAGE_DIR}
     DESTINATION opt/paddle/share/wheels
 )

python/paddle/v2/plot/tests/CMakeLists.txt

-add_python_test(test_ploter test_ploter.py)
+if (NOT APPLE)
+  # The Mac OS X backend will not be able to function correctly if Python is
+  # not installed as a framework.
+  add_python_test(test_ploter test_ploter.py)
+endif()

python/setup.py.in

@@ -18,6 +18,7 @@ setup(name='paddle',
           "numpy",
           "protobuf==${PROTOBUF_VERSION}",
           "matplotlib",
+          "opencv-python"
       ],
       packages=packages,
       package_dir={