Check python if system already equipped one

.travis.yml

@@ -21,13 +21,14 @@ addons:
     packages:
       - gcc-4.8
       - g++-4.8
-      - wget
       - git
       - build-essential
       - libatlas-base-dev
       - python
       - python-pip
       - python2.7-dev
+      - python-numpy
+      - python-wheel
       - curl
       - swig
       - graphviz
@@ -48,8 +49,7 @@ before_install:
     fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then paddle/scripts/travis/before_install.osx.sh; fi
   - if [[ "$JOB" == "PRE_COMMIT" ]]; then sudo ln -s /usr/bin/clang-format-3.8 /usr/bin/clang-format; fi
-  - pip install --upgrade pip
-  - pip install wheel protobuf sphinx recommonmark sphinx_rtd_theme virtualenv pre-commit requests==2.9.2 LinkChecker
+  - pip install numpy wheel protobuf sphinx recommonmark sphinx_rtd_theme virtualenv pre-commit requests==2.9.2 LinkChecker
 script:
   - paddle/scripts/travis/main.sh
 notifications:

cmake/configure.cmake

@@ -12,6 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+if(NOT WITH_PYTHON)
+    add_definitions(-DPADDLE_NO_PYTHON)
+endif(NOT WITH_PYTHON)
+
 if(WITH_DSO)
     add_definitions(-DPADDLE_USE_DSO)
 endif(WITH_DSO)

paddle/api/CMakeLists.txt

@@ -94,17 +94,19 @@ add_dependencies(python_api_wheel python_swig_sources
   paddle_cuda)
 
 if(WITH_TESTING)
-    SET(PIP_SOURCES_DIR ${PYTHON_SOURCES_DIR}/pip)
-    ExternalProject_Add(pip
-        ${EXTERNAL_PROJECT_LOG_ARGS}
-        GIT_REPOSITORY      https://github.com/pypa/pip.git
-        GIT_TAG             9.0.1
-        PREFIX              ${PIP_SOURCES_DIR}
-        CONFIGURE_COMMAND   ""
-        BUILD_COMMAND       ""
-        INSTALL_COMMAND     env ${py_env} ${PYTHON_EXECUTABLE} setup.py install
-        BUILD_IN_SOURCE     1
-        DEPENDS python setuptools python_api_wheel
-    )
+    IF(NOT PY_PIP_FOUND)
+        SET(PIP_SOURCES_DIR ${PYTHON_SOURCES_DIR}/pip)
+        ExternalProject_Add(pip
+            ${EXTERNAL_PROJECT_LOG_ARGS}
+            GIT_REPOSITORY      https://github.com/pypa/pip.git
+            GIT_TAG             9.0.1
+            PREFIX              ${PIP_SOURCES_DIR}
+            CONFIGURE_COMMAND   ""
+            BUILD_COMMAND       ""
+            INSTALL_COMMAND     env ${py_env} ${PYTHON_EXECUTABLE} setup.py install
+            BUILD_IN_SOURCE     1
+            DEPENDS python setuptools python_api_wheel
+        )
+    ENDIF()
     add_subdirectory(test)
 endif()

paddle/scripts/travis/before_install.osx.sh

@@ -1,4 +1,6 @@
 #!/bin/bash
 brew update
 brew tap homebrew/science
-brew install openblas md5sha1sum 
+brew install python
+sudo pip install --upgrade protobuf
+brew install swig openblas md5sha1sum protobuf

paddle/scripts/travis/build_and_test.sh

@@ -1,23 +1,19 @@
 #!/bin/bash
 source ./common.sh
 
-python -c 'import pip; print(pip.pep425tags.get_supported())'
-
-if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
-  CMAKE_EXTRA="-DWITH_SWIG_PY=OFF"
-else
-  CMAKE_EXTRA="-DWITH_SWIG_PY=ON"
-fi
-
-cmake .. -DWITH_GPU=OFF -DWITH_DOC=OFF -DWITH_TESTING=ON -DON_TRAVIS=ON -DON_COVERALLS=ON ${CMAKE_EXTRA}
-
 NPROC=1
 if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
+  export PYTHONPATH=/opt/python/2.7.12/lib/python2.7/site-packages
+  export PYTHONHOME=/opt/python/2.7.12
+  export PATH=/opt/python/2.7.12/bin:${PATH}
+  cmake .. -DON_TRAVIS=ON -DON_COVERALLS=ON -DCOVERALLS_UPLOAD=ON
   NRPOC=`nproc`
   make -j $NPROC
   make coveralls
   sudo make install
 elif [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
+  export PYTHONPATH=/usr/local/lib/python2.7/site-packages
+  cmake .. -DON_TRAVIS=ON -DON_COVERALLS=ON -DCOVERALLS_UPLOAD=ON -DWITH_SWIG_PY=ON
   NPROC=`sysctl -n hw.ncpu`
   make -j $NPROC
   env CTEST_OUTPUT_ON_FAILURE=1 make test ARGS="-j $NPROC"

paddle/utils/PythonUtil.cpp.in

@@ -195,8 +195,10 @@ extern const char enable_virtualenv_py[];
 }
 void initPython(int argc, char** argv) {
 #ifndef PADDLE_NO_PYTHON
-  char PythonHome[] = "@PYTHON_INSTALL_DIR@"; // NOLINT
-  Py_SetPythonHome(PythonHome);
+  char pyHome[] = "@PYTHON_INSTALL_DIR@"; // NOLINT
+  if (strlen(pyHome)) {
+    Py_SetPythonHome(pyHome);
+  }
   Py_SetProgramName(argv[0]);
   Py_Initialize();
   PySys_SetArgv(argc, argv);