wheel creation windows compatibility fix

src/Python/CMakeLists.txt

@@ -28,6 +28,7 @@ if (NOT PYTHON_EXECUTABLE)
     # find_package(PythonInterp REQUIRED) returns the system python
     # find_program will returns the python executable in current PATH, which
     # works with virtualenv
+    # Note: make sure to run `cmake ..` within your virtual environment!
     find_program(PYTHON_IN_PATH "python")
     set(PYTHON_EXECUTABLE ${PYTHON_IN_PATH})
 endif()
@@ -70,7 +71,7 @@ add_custom_target(python-package
     COMMAND ${CMAKE_COMMAND}
             -DPYTHON_PACKAGE_SRC_DIR=${CMAKE_CURRENT_SOURCE_DIR}/Package
             -DPYTHON_PACKAGE_DST_DIR=${PYTHON_PACKAGE_DST_DIR}
-            -DPYTHON_COMPILED_MODULE_PATH=${PYTHON_COMPILED_MODULE_DIR}/$<TARGET_FILE_NAME:${PACKAGE_NAME}>
+            -DPYTHON_COMPILED_MODULE_PATH=$<TARGET_FILE:${PACKAGE_NAME}>
             -DPROJECT_EMAIL=${PROJECT_EMAIL}
             -DPROJECT_HOME=${PROJECT_HOME}
             -DPROJECT_DOCS=${PROJECT_DOCS}
@@ -90,10 +91,10 @@ add_custom_target(pip-wheel
 
 # Use `make install-pip-wheel` to install pip wheel package to the current
 # python environment.
-# Note: Since `make python-package` clears PYTHON_COMPILED_MODULE_DIR every time,
-#       it is guaranteed that there is only one wheel in ${PYTHON_PACKAGE_DST_DIR}/dist/*.whl
 add_custom_target(install-pip-wheel
-    COMMAND pip install ${PYTHON_PACKAGE_DST_DIR}/dist/*.whl
+    COMMAND ${CMAKE_COMMAND}
+            -DPYTHON_PACKAGE_DST_DIR=${PYTHON_PACKAGE_DST_DIR}
+            -P ${CMAKE_CURRENT_SOURCE_DIR}/install_pip_wheel.cmake
     DEPENDS pip-wheel
 )
 
@@ -106,7 +107,7 @@ add_custom_target(all-pip-wheels
     COMMAND ${CMAKE_COMMAND}
         -DPYTHON_PACKAGE_SRC_DIR=${CMAKE_CURRENT_SOURCE_DIR}/Package
         -DPYTHON_PACKAGE_DST_DIR=${PYTHON_PACKAGE_DST_DIR}
-        -DPYTHON_COMPILED_MODULE_PATH=${PYTHON_COMPILED_MODULE_DIR}/$<TARGET_FILE_NAME:${PACKAGE_NAME}>
+        -DPYTHON_COMPILED_MODULE_PATH=$<TARGET_FILE:${PACKAGE_NAME}>
         -DPYTHON_EXECUTABLE=${PYTHON_EXECUTABLE}
         -DPROJECT_EMAIL=${PROJECT_EMAIL}
         -DPROJECT_HOME=${PROJECT_HOME}

src/Python/install_pip_wheel.cmake

@@ -0,0 +1,33 @@
+# ----------------------------------------------------------------------------
+# -                        Open3D: www.open3d.org                            -
+# ----------------------------------------------------------------------------
+# The MIT License (MIT)
+#
+# Copyright (c) 2018 www.open3d.org
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+# IN THE SOFTWARE.
+# ----------------------------------------------------------------------------
+
+# We need this file for cross-platform support on Windows
+# For Ubuntu/Mac, we can simply do `pip install ${PYTHON_PACKAGE_DST_DIR}/dist/*.whl -U`
+
+# Note: Since `make python-package` clears PYTHON_COMPILED_MODULE_DIR every time,
+#       it is guaranteed that there is only one wheel in ${PYTHON_PACKAGE_DST_DIR}/dist/*.whl
+file(GLOB WHEEL_FILE "${PYTHON_PACKAGE_DST_DIR}/dist/*.whl")
+execute_process(COMMAND pip install ${WHEEL_FILE} -U)

src/Python/make_all_pip_wheels.cmake

@@ -24,10 +24,10 @@
 # IN THE SOFTWARE.
 # ----------------------------------------------------------------------------
 
-# Create python pacakge. It contains
-# 1) Pure-python code and misc files, copied from src/Python/Package
-# 2) The compiled python-C++ module, i.e. open3d.so (or the equivalents)
-# 3) Configured files and supporting files
+# Warning: Internal use only, consider droping this in the future
+# Use `make all-pip-wheels` to create the pip package in the build directory
+# This creates: open3d-python, py3d, open3d-original, open3d-official, open-3d
+#               pip wheels
 
 # Clean up directory
 file(REMOVE_RECURSE ${PYTHON_PACKAGE_DST_DIR})