diff --git a/3rdparty/ext_python/CMakeLists.txt b/3rdparty/ext_python/CMakeLists.txt
new file mode 100644
index 0000000000..6f50dc49ed
--- /dev/null
+++ b/3rdparty/ext_python/CMakeLists.txt
@@ -0,0 +1,76 @@
+SET(PREFIX_ext_python "${EXTPREFIX}" )
+if (UNIX)
+    if (APPLE)
+        set(PYTHON_VERSION "3.8")
+        ExternalProject_Add( ext_python
+            DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
+            URL https://www.python.org/ftp/python/3.8.1/Python-3.8.1.tar.xz
+            URL_MD5 b3fb85fd479c0bf950c626ef80cacb57
+            
+            PATCH_COMMAND ${PATCH_COMMAND} -p1 -i ${CMAKE_CURRENT_SOURCE_DIR}/osx_fixappinstall.diff
+
+            CONFIGURE_COMMAND <SOURCE_DIR>/configure MACOSX_DEPLOYMENT_TARGET=10.13 --prefix=${PREFIX_ext_python} ${GLOBAL_AUTOMAKE_PROFILE}
+                --without-ensurepip --enable-framework=${PREFIX_ext_python}/lib --enable-optimizations
+            BUILD_COMMAND make
+            INSTALL_COMMAND make install
+                COMMAND ${CMAKE_COMMAND} -E copy ${PREFIX_ext_python}/bin/python3 ${PREFIX_ext_python}/bin/python
+                COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/sitecustomize.py ${PREFIX_ext_python}/lib/Python.framework/Versions/Current/lib/python${PYTHON_VERSION}/
+                COMMAND ${CMAKE_COMMAND} -E create_symlink ./lib/python${PYTHON_VERSION}/site-packages ${PREFIX_ext_python}/lib/Python.framework/Versions/Current/site-packages
+                # CMake FindPythonLib can't find framework libraries, lack of maintainer for Python
+                COMMAND find ${PREFIX_ext_python}/lib/Python.framework/Versions/Current/lib -type l -d 1
+                | grep -o "[^/]*$"
+                | xargs -I FILE ${CMAKE_COMMAND} -E create_symlink ./Python.framework/Python ${PREFIX_ext_python}/lib/FILE
+
+            UPDATE_COMMAND ""
+            ALWAYS 0
+        )
+    else()
+
+    ExternalProject_Add( ext_python
+	    DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
+        URL https://www.python.org/ftp/python/3.8.1/Python-3.8.1.tar.xz
+        URL_MD5 b3fb85fd479c0bf950c626ef80cacb57
+        
+        CONFIGURE_COMMAND <SOURCE_DIR>/configure --prefix=${PREFIX_ext_python} ${GLOBAL_AUTOMAKE_PROFILE} --enable-shared
+        BUILD_COMMAND make
+        INSTALL_COMMAND make install
+                        COMMAND ${CMAKE_COMMAND} -E copy ${PREFIX_ext_python}/bin/python3 ${PREFIX_ext_python}/bin/python
+
+        UPDATE_COMMAND ""
+	    ALWAYS 0
+    )
+    endif()
+elseif(MINGW)
+    if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
+        ExternalProject_Add( ext_python
+            DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
+            URL https://www.python.org/ftp/python/3.8.1/python-3.8.1-embed-amd64.zip
+            URL_MD5 4d091857a2153d9406bb5c522b211061
+
+            INSTALL_DIR ${PREFIX_ext_python}
+            CONFIGURE_COMMAND ""
+            BUILD_COMMAND ${CMAKE_COMMAND} -E echo deploying python3 64-bit binary
+            INSTALL_COMMAND ${CMAKE_COMMAND} -E copy_directory <SOURCE_DIR>/ ${PREFIX_ext_python}/python
+                    COMMAND ${CMAKE_COMMAND} -E copy <SOURCE_DIR>/python3.dll ${PREFIX_ext_python}/bin
+                    COMMAND ${CMAKE_COMMAND} -E copy <SOURCE_DIR>/python38.dll ${PREFIX_ext_python}/bin
+                    COMMAND ${CMAKE_COMMAND} -E copy <SOURCE_DIR>/vcruntime140.dll ${PREFIX_ext_python}/bin
+            UPDATE_COMMAND ""
+        )
+    else("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
+        ExternalProject_Add( ext_python
+            DOWNLOAD_DIR ${EXTERNALS_DOWNLOAD_DIR}
+            URL https://www.python.org/ftp/python/3.8.1/python-3.8.1-embed-win32.zip
+            URL_MD5 980d5745a7e525be5abf4b443a00f734
+
+            INSTALL_DIR ${PREFIX_ext_python}
+            CONFIGURE_COMMAND ""
+            BUILD_COMMAND ${CMAKE_COMMAND} -E echo deploying python3 32-bit binary
+            INSTALL_COMMAND ${CMAKE_COMMAND} -E copy_directory <SOURCE_DIR>/ ${PREFIX_ext_python}/python
+                    COMMAND ${CMAKE_COMMAND} -E copy <SOURCE_DIR>/python3.dll ${PREFIX_ext_python}/bin
+                    COMMAND ${CMAKE_COMMAND} -E copy <SOURCE_DIR>/python38.dll ${PREFIX_ext_python}/bin
+                    COMMAND ${CMAKE_COMMAND} -E copy <SOURCE_DIR>/vcruntime140.dll ${PREFIX_ext_python}/bin
+            UPDATE_COMMAND ""
+        )
+    endif("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
+
+endif()