Support building with MSVC

Fixes apache#7

### Motivation

The Python client cannot be built with MSVC.

### Modifications

Add `vcpkg.json` to download the Boost.Python dependency.

Author: BewareMyPower

.gitignore

@@ -13,4 +13,6 @@ __pycache__
 .pulsar-mac-wheels-cache
 .DS_Store
 wheelhouse
-.pulsar-mac-build
+.pulsar-mac-build
+vcpkg_installed/
+*.pyd

CMakeLists.txt

@@ -21,6 +21,11 @@ project (pulsar-client-python)
 cmake_minimum_required(VERSION 3.18)
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake_modules")
 
+if (VCPKG_TRIPLET)
+    message(STATUS "Use vcpkg, triplet is ${VCPKG_TRIPLET}")
+    set(CMAKE_PREFIX_PATH "${CMAKE_SOURCE_DIR}/vcpkg_installed/${VCPKG_TRIPLET}" ${CMAKE_PREFIX_PATH})
+    message(STATUS "Use CMAKE_PREFIX_PATH: ${CMAKE_PREFIX_PATH}")
+endif ()
 option(LINK_STATIC "Link against static libraries" OFF)
 MESSAGE(STATUS "LINK_STATIC:  " ${LINK_STATIC})
 
@@ -29,10 +34,22 @@ set(THREADS_PREFER_PTHREAD_FLAG TRUE)
 find_package(Threads REQUIRED)
 MESSAGE(STATUS "Threads library: " ${CMAKE_THREAD_LIBS_INIT})
 
+if (MSVC)
+    add_compile_options(/wd4819)
+endif ()
+
 if (LINK_STATIC)
-    find_library(PULSAR_LIBRARY NAMES libpulsar.a)
+    if (MSVC)
+        find_library(PULSAR_LIBRARY NAMES pulsarWithDeps.lib)
+        string(REGEX REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_DEBUG ${CMAKE_CXX_FLAGS_DEBUG})
+        string(REGEX REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_RELEASE ${CMAKE_CXX_FLAGS_RELEASE})
+        string(REGEX REPLACE "/MD" "/MT" CMAKE_CXX_FLAGS_RELWITHDEBINFO ${CMAKE_CXX_FLAGS_RELWITHDEBINFO})
+    else ()
+        find_library(PULSAR_LIBRARY NAMES libpulsar.a)
+    endif ()
+    add_definitions("-DPULSAR_STATIC")
 else()
-    find_library(PULSAR_LIBRARY NAMES libpulsar.so  libpulsar.dylib)
+    find_library(PULSAR_LIBRARY NAMES pulsar libpulsar)
 endif()
 message(STATUS "PULSAR_LIBRARY: ${PULSAR_LIBRARY}")
 
@@ -44,10 +61,29 @@ SET(CMAKE_CXX_STANDARD 11)
 find_package (Python3 REQUIRED COMPONENTS Development.Module)
 MESSAGE(STATUS "PYTHON: " ${Python3_VERSION} " - " ${Python3_INCLUDE_DIRS})
 
+find_package(Boost REQUIRED ${Boost_INCLUDE_DIRS})
+message(STATUS "Boost_INCLUDE_DIRS: ${Boost_INCLUDE_DIRS}")
+
 SET(Boost_USE_STATIC_LIBS   ${LINK_STATIC})
-find_package(Boost REQUIRED COMPONENTS python3)
-MESSAGE(STATUS "Boost Python3: " ${Boost_PYTHON3_LIBRARY})
-MESSAGE(STATUS "Boost_INCLUDE_DIRS: ${Boost_INCLUDE_DIRS}")
+
+set(BOOST_PYTHON_NAME_LIST python3 python310)
+foreach (BOOST_PYTHON_NAME IN LISTS BOOST_PYTHON_NAME_LIST)
+    find_package(Boost QUIET COMPONENTS ${BOOST_PYTHON_NAME})
+    if (${Boost_FOUND})
+        set(BOOST_PYTHON_NAME_FOUND ${BOOST_PYTHON_NAME})
+        message(STATUS "Found Boost COMPONENTS " ${BOOST_PYTHON_NAME_FOUND})
+        break ()
+    endif ()
+endforeach ()
+if (NOT BOOST_PYTHON_NAME_FOUND)
+    message(FATAL_ERROR "Could not find Boost Python library")
+endif ()
+find_package(Boost REQUIRED COMPONENTS ${BOOST_PYTHON_NAME_FOUND})
+set(Boost_PYTHON3_LIBRARIES
+    ${Boost_PYTHON3_LIBRARY}
+    ${Boost_PYTHON310_LIBRARY}
+    )
+MESSAGE(STATUS "Boost Python3: " ${Boost_PYTHON3_LIBRARIES})
 
 ########################################################################################################################
 
@@ -68,8 +104,11 @@ ADD_LIBRARY(_pulsar SHARED src/pulsar.cc
                            src/utils.cc
         )
 
-SET(CMAKE_SHARED_LIBRARY_PREFIX )
-SET(CMAKE_SHARED_LIBRARY_SUFFIX .so)
+if (MSVC)
+    set(CMAKE_SHARED_LIBRARY_SUFFIX .pyd)
+else ()
+    set(CMAKE_SHARED_LIBRARY_SUFFIX .so)
+endif ()
 
 if (NOT APPLE AND NOT MSVC)
     SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS_PYTHON}")
@@ -80,12 +119,17 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
 endif()
 
 # Try all possible boost-python variable namings
-set(PYTHON_WRAPPER_LIBS ${PULSAR_LIBRARY}
-                        ${Boost_PYTHON3_LIBRARY})
+set(PYTHON_WRAPPER_LIBS
+    ${PULSAR_LIBRARY}
+    ${Boost_PYTHON3_LIBRARIES})
+if (MSVC)
+    message(STATUS "Python3_LIBRARIES: " ${Python3_LIBRARIES})
+    set(PYTHON_WRAPPER_LIBS ${PYTHON_WRAPPER_LIBS} ${Python3_LIBRARIES})
+endif ()
 
 message(STATUS "All libraries: ${PYTHON_WRAPPER_LIBS}")
 
-if (LINK_STATIC)
+if (LINK_STATIC AND NOT MSVC)
     set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
 
     # We need to include all the static libs individually because we cannot easily create a universal2 libpulsar.a

setup.py

@@ -21,6 +21,7 @@
 from setuptools import setup
 from distutils.core import Extension
 from os import environ, path
+import platform
 
 from distutils.command import build_ext
 
@@ -58,7 +59,10 @@ def build_extension(self, ext):
         except OSError as e:
             if e.errno != 17:  # already exists
                 raise
-        shutil.copyfile('_pulsar.so', self.get_ext_fullpath(ext.name))
+        if 'Windows' in platform.platform():
+            shutil.copyfile('_pulsar.pyd', self.get_ext_fullpath(ext.name))
+        else:
+            shutil.copyfile('_pulsar.so', self.get_ext_fullpath(ext.name))
 
 
 # Core Client dependencies

vcpkg.json

@@ -0,0 +1,8 @@
+{
+  "name": "pulsar-cpp",
+  "version": "3.0.0",
+  "description": "Pulsar Python SDK",
+  "dependencies": [
+    "boost-python"
+  ]
+}