add wedpr-python-gateway-sdk

cpp/cmake/TargetSettings.cmake

@@ -138,7 +138,8 @@ set(WEDPR_TRANSPORT_SDK_TARGET wedpr-transport-sdk)
 
 # ==== the swig wrapper ===== 
 set(WEDPR_PYTHON_TRANSPORT "wedpr_python_transport")
-set(WEDPR_PYTHON_TRANSPORT_DIR ${PROJECT_BINARY_DIR}/python/${WEDPR_PYTHON_TRANSPORT})
+set(WEDPR_PYTHON_TRANSPORT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/python/generated/${WEDPR_PYTHON_TRANSPORT})
+set(WEDPR_PYTHON_TRANSPORT_LIB_DIR ${CMAKE_CURRENT_SOURCE_DIR}/wedpr-transport/sdk-wrapper/python/bindings/libs)
 
 set(WEDPR_JAVA_TRANSPORT "wedpr_java_transport_jni")
 set(WEDPR_JAVA_TRANSPORT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/java/generated/${WEDPR_JAVA_TRANSPORT})

cpp/cmake/python.cmake

@@ -19,7 +19,13 @@ if(UNIX AND NOT APPLE)
 endif()
 
 # Find Python 3
-find_package(Python3 REQUIRED COMPONENTS Interpreter Development.Module)
+find_package(Python REQUIRED COMPONENTS Interpreter Development)
+message("Python_FOUND:${Python_FOUND}")
+message("Python_VERSION:${Python_VERSION}")
+message("Python_Development_FOUND:${Python_Development_FOUND}")
+message("Python_LIBRARIES:${Python_LIBRARIES}")
+message("Python_INCLUDE_DIRS:${Python_INCLUDE_DIRS}")
+
 list(APPEND CMAKE_SWIG_FLAGS "-py3" "-DPY3")
 
 function(search_python_module)

cpp/wedpr-transport/sdk-wrapper/java/CMakeLists.txt

@@ -1,4 +1,5 @@
 option(AUTO_GENERATE "Auto generate the targes" OFF)
+# Note: use SWIG Version 4.2.1
 if(AUTO_GENERATE)
     if(WIN32)
       message(STATUS "Getting SWIG for Windows: ...")

cpp/wedpr-transport/sdk-wrapper/python/CMakeLists.txt

@@ -1,54 +1,50 @@
-file(GLOB_RECURSE SRCS *.i)
-set_source_files_properties(${SRCS} PROPERTIES CPLUSPLUS ON)
+option(AUTO_GENERATE "Auto generate the targes" OFF)
+# Note: use SWIG Version 4.2.1
+if(AUTO_GENERATE)
+    file(GLOB_RECURSE SRCS *.i)
+    set_source_files_properties(${SRCS} PROPERTIES CPLUSPLUS ON)
 
-swig_add_library(
-        ${WEDPR_PYTHON_TRANSPORT} 
-        TYPE MODULE
-        LANGUAGE python
-        OUTPUT_DIR ${WEDPR_PYTHON_TRANSPORT_DIR}
-        SOURCES ${SRCS}
-)
-
-message("#### Python3_INCLUDE_DIRS: ${Python3_INCLUDE_DIRS}")
-target_include_directories(
-        ${WEDPR_PYTHON_TRANSPORT}
-        PRIVATE
-        ../include
-        ${Python3_INCLUDE_DIRS}
-  )
-set_property(TARGET ${WEDPR_PYTHON_TRANSPORT} PROPERTY SWIG_USE_TARGET_INCLUDE_DIRECTORIES ON)
+    file(MAKE_DIRECTORY ${WEDPR_PYTHON_TRANSPORT_DIR})
+    file(MAKE_DIRECTORY ${WEDPR_PYTHON_TRANSPORT_LIB_DIR})
+
+    swig_add_library(
+            ${WEDPR_PYTHON_TRANSPORT} 
+            TYPE MODULE
+            LANGUAGE python
+            OUTPUT_DIR ${WEDPR_PYTHON_TRANSPORT_DIR}
+            SOURCES ${SRCS}
+    )
+    set_property(TARGET ${WEDPR_PYTHON_TRANSPORT} PROPERTY SWIG_USE_TARGET_INCLUDE_DIRECTORIES ON)
+else()
+    file(GLOB_RECURSE SRCS src/*.cxx)
+    add_library(${WEDPR_PYTHON_TRANSPORT} SHARED ${SRCS})
+endif()  
+
+target_include_directories(${WEDPR_PYTHON_TRANSPORT} PRIVATE ${Python_INCLUDE_DIRS})
 
 # note: macOS is APPLE and also UNIX !
 if(APPLE)
   set_property(TARGET ${WEDPR_PYTHON_TRANSPORT} APPEND PROPERTY
     LINK_FLAGS "-flat_namespace -undefined suppress"
     )
-    set_target_properties(${WEDPR_PYTHON_TRANSPORT} PROPERTIES
-      SUFFIX ".so"
-      INSTALL_RPATH "@loader_path;@loader_path/../../${WEDPR_PYTHON_TRANSPORT}/.libs"
+  set_target_properties(${WEDPR_PYTHON_TRANSPORT} PROPERTIES
+    INSTALL_RPATH "@loader_path;@loader_path/../../${WEDPR_PYTHON_TRANSPORT}/.libs"
     )
 elseif(UNIX)
   set_target_properties(${WEDPR_PYTHON_TRANSPORT} PROPERTIES
     INSTALL_RPATH "$ORIGIN:$ORIGIN/../../${WEDPR_PYTHON_TRANSPORT}/.libs"
     )
 endif()
-target_link_libraries(${WEDPR_PYTHON_TRANSPORT} PRIVATE ${WEDPR_TRANSPORT_SDK_TARGET})
-
-SET(LIBRARY_OUTPUT_PATH ${WEDPR_PYTHON_TRANSPORT_DIR}/)
-
 # Variable PYTHON_LIBRARIES can contains keyword `optimized`
 # which won't be interpreted inside a generator expression.
 # i.e. we can't use: $<$<PLATFORM_ID:Windows>:${PYTHON_LIBRARIES}>
 # see: https://cmake.org/cmake/help/git-stage/command/target_link_libraries.html#command:target_link_libraries
 if(MSVC)
   target_link_libraries(${WEDPR_PYTHON_TRANSPORT} PRIVATE ${Python3_LIBRARIES})
+else()
+  target_link_libraries(${WEDPR_PYTHON_TRANSPORT} PRIVATE ${WEDPR_TRANSPORT_SDK_TARGET} ${Python_LIBRARIES})
 endif()
-
-# Configure setup.py and copy to output directory
-file(GENERATE OUTPUT ${WEDPR_PYTHON_TRANSPORT_DIR}/__init__.py CONTENT "__version__ = \"${PYTHON_TOOLKIT_VERSION}\"\n")
-set(SETUP_PY_IN ${CMAKE_CURRENT_SOURCE_DIR}/setup.py.in)
-set(SETUP_PY_OUT ${WEDPR_PYTHON_TRANSPORT_DIR}/setup.py)
-configure_file(${SETUP_PY_IN} ${SETUP_PY_OUT})
+SET(LIBRARY_OUTPUT_PATH ${WEDPR_PYTHON_TRANSPORT_LIB_DIR})
 
 message(STATUS "CMAKE_INSTALL_INCLUDEDIR => ${CMAKE_INSTALL_INCLUDEDIR}")
 message(STATUS "CMAKE_CURRENT_SOURCE_DIR => ${CMAKE_CURRENT_SOURCE_DIR}")

cpp/wedpr-transport/sdk-wrapper/python/bindings/setup.py

@@ -0,0 +1,62 @@
+import sys
+
+from setuptools import find_packages, setup
+from setuptools.command.bdist_egg import bdist_egg
+
+
+class bdist_egg_disabled(bdist_egg):
+    """Disabled version of bdist_egg
+
+    Prevents setup.py install from performing setuptools' default easy_install,
+    which it should never ever do.
+    """
+
+    def run(self):
+        sys.exit(
+            "Aborting implicit building of eggs. Use `pip install .` to install from source."
+        )
+
+
+setup_args = dict(
+    name='wedpr-python-gateway-sdk',
+    packages=find_packages(),
+    version="1.0.0-rc1",
+    description="wedpr-python-gateway-sdk: The gateway sdk for WeDPR",
+    long_description_content_type="text/markdown",
+    author="WeDPR Development Team",
+    author_email="[email protected]",
+    url="https://github.com/WeBankBlockchain/WeDPR-Component",
+    license="Apache-2.0",
+    platforms="Linux, Mac OS X",
+    keywords=['Interactive', 'Interpreter', 'Shell', 'Web'],
+    python_requires=">=3.8",
+    include_package_data=True,
+    classifiers=[
+        'Intended Audience :: Developers',
+        'Intended Audience :: System Administrators',
+        'Intended Audience :: Science/Research',
+        'License :: OSI Approved :: Apache License',
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 3',
+    ],
+)
+
+setup_args['cmdclass'] = {
+    'bdist_egg': bdist_egg if 'bdist_egg' in sys.argv else bdist_egg_disabled,
+}
+
+setup_args['install_requires'] = install_requires = []
+with open('requirements.txt') as f:
+    for line in f.readlines():
+        req = line.strip()
+        if not req or req.startswith(('-e', '#')):
+            continue
+        install_requires.append(req)
+
+
+def main():
+    setup(**setup_args)
+
+
+if __name__ == '__main__':
+    main()

cpp/wedpr-transport/sdk-wrapper/python/bindings/utils/lib_loader.py

@@ -0,0 +1,89 @@
+# -*- coding: utf-8 -*-
+
+import platform
+import os
+from enum import Enum
+import sys
+import ctypes
+
+
+class OSType(Enum):
+    MACOS_X64 = 1
+    MACOS_ARM64 = 2
+    WINDOWS = 3
+    LINUX_X64 = 4
+    LINUX_ARM64 = 5
+
+
+class ArchType(Enum):
+    ARM64 = 1
+    X86_64 = 2
+
+
+class LibLoader:
+    # the library information
+    TRANSPORT_LIB_PATH = "libs"
+    TRANSPORT_LIB_NAME = "wedpr_python_transport"
+    LIB_PREFIX = "lib"
+    MACOS_LIB_POSTFIX = "dylib"
+    WINDOWS_LIB_POSTFIX = "dll"
+    LINUX_LIB_PORSTFIX = "so"
+    # the OS name
+    MACOS_OS = "darwin"
+    WINDOWS_OS = "windows"
+    LINUX_OS = "linux"
+
+    AARCH64 = "aarch64"
+    ARM64 = "arm64"
+    X86_64 = "x86_64"
+
+    @staticmethod
+    def get_arch_type():
+        arch_type = platform.machine().lower()
+        if LibLoader.AARCH64 in arch_type or LibLoader.ARM64 in arch_type:
+            return ArchType.ARM64
+        if LibLoader.X86_64 in arch_type:
+            return ArchType.X86_64
+        raise Exception(f"Unsupported arch type: {arch_type}")
+
+    @staticmethod
+    def get_os_type():
+        os_type = platform.system().lower()
+        arch_type = LibLoader.get_arch_type()
+        if LibLoader.MACOS_OS in os_type:
+            if arch_type == ArchType.ARM64:
+                return OSType.MACOS_ARM64
+            else:
+                return OSType.MACOS_X64
+        if LibLoader.LINUX_OS in os_type:
+            if arch_type == ArchType.ARM64:
+                return OSType.LINUX_ARM64
+            else:
+                return OSType.LINUX_X64
+        if LibLoader.WINDOWS_OS in os_type:
+            return OSType.WINDOWS
+        raise Exception(f"Unsupported os {os_type}, arch: {arch_type}")
+
+    @staticmethod
+    def get_lib_name():
+        os_type = LibLoader.get_os_type()
+        if os_type == OSType.WINDOWS:
+            return "{}{}.{}".format(LibLoader.LIB_PREFIX, LibLoader.TRANSPORT_LIB_NAME, LibLoader.WINDOWS_LIB_POSTFIX)
+        if os_type == OSType.MACOS_ARM64:
+            return "{}{}-arm64.{}".format(LibLoader.LIB_PREFIX, LibLoader.TRANSPORT_LIB_NAME, LibLoader.MACOS_LIB_POSTFIX)
+        if os_type == OSType.MACOS_X64:
+            return "{}{}.{}".format(LibLoader.LIB_PREFIX, LibLoader.TRANSPORT_LIB_NAME, LibLoader.MACOS_LIB_POSTFIX)
+        if os_type == OSType.LINUX_ARM64:
+            return "{}{}.{}-arm64".format(LibLoader.LIB_PREFIX, LibLoader.TRANSPORT_LIB_NAME, LibLoader.LINUX_LIB_PORSTFIX)
+        if os_type == OSType.LINUX_X64:
+            return "{}{}.{}".format(LibLoader.LIB_PREFIX, LibLoader.TRANSPORT_LIB_NAME, LibLoader.LINUX_LIB_PORSTFIX)
+        raise Exception(
+            f"get_lib_name failed for not support the os_type: {os_type}")
+
+    @staticmethod
+    def load_lib():
+        lib_path = os.path.join(
+            LibLoader.TRANSPORT_LIB_PATH, LibLoader.get_lib_name())
+        print(f"#### lib_path: {lib_path}")
+        lib = ctypes.cdll.LoadLibrary(lib_path)
+        return lib

cpp/wedpr-transport/sdk-wrapper/python/bindings/utils/tests/test_lib_loader.py

@@ -0,0 +1,12 @@
+# -*- coding: utf-8 -*-
+import unittest
+
+
+class TestLibLoader(unittest.TestCase):
+    def test_load_lib(self):
+        from utils.lib_loader import LibLoader
+        _wedpr_python_transport = LibLoader.load_lib()
+
+
+if __name__ == '__main__':
+    unittest.main()