├── impy.py
├── index.js
├── README.md
├── package.json
├── CMakeLists.txt
└── binding.cc


/impy.py:
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1 | def main():
2 |     return "I'm impy.main"
3 | 


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/index.js:
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1 | const addon = require("bindings")("pythonMethod");
2 | 
3 | const str = addon.pythonMethod();
4 | 
5 | console.log(str);


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/README.md:
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 1 | # pcn
 2 | > Python to C/C++ to Node
 3 | 
 4 | Ref: https://aerocode.net/341
 5 | 
 6 | 
 7 | # How?
 8 | 
 9 | ## Deps
10 | ```sh
11 | npm install -g node-gyp
12 | npm install -g cmake-js
13 | 
14 | npm init -y
15 | npm install bindings
16 | npm install node-addon-api
17 | ```
18 | 
19 | ## Compile
20 | ```sh
21 | cmake-js compile
22 | ```
23 | 
24 | 
25 | 


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/package.json:
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 1 | {
 2 |   "name": "ncp",
 3 |   "version": "1.0.0",
 4 |   "description": "Node-C/C++-Python",
 5 |   "main": "index.js",
 6 |   "scripts": {
 7 |     "test": "echo \"Error: no test specified\" && exit 1"
 8 |   },
 9 |   "repository": {
10 |     "type": "git",
11 |     "url": "git+https://github.com/SaidBySolo/ncp.git"
12 |   },
13 |   "keywords": [],
14 |   "author": "",
15 |   "license": "ISC",
16 |   "bugs": {
17 |     "url": "https://github.com/SaidBySolo/ncp/issues"
18 |   },
19 |   "homepage": "https://github.com/SaidBySolo/ncp#readme",
20 |   "dependencies": {
21 |     "bindings": "^1.5.0",
22 |     "node-addon-api": "^4.0.0"
23 |   }
24 | }
25 | 


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/CMakeLists.txt:
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 1 | # https://aerocode.net/341
 2 | 
 3 | cmake_minimum_required(VERSION 2.8.12.2)
 4 | set (CMAKE_CXX_STANDARD 11)
 5 | 
 6 | # 프로젝트 설정
 7 | project (pythonMethod)
 8 | include_directories(${CMAKE_JS_INC})
 9 | 
10 | 
11 | # C파일 등등 성정
12 | file(GLOB SOURCE_FILES "binding.cc")
13 | add_library(${PROJECT_NAME} SHARED ${SOURCE_FILES} ${CMAKE_JS_SRC})
14 | set_target_properties(${PROJECT_NAME} PROPERTIES PREFIX "" SUFFIX ".node")
15 | target_link_libraries(${PROJECT_NAME} ${CMAKE_JS_LIB})
16 | 
17 | # 애드온 설정
18 | execute_process(COMMAND node -p "require('node-addon-api').include"
19 |         WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
20 |         OUTPUT_VARIABLE NODE_ADDON_API_DIR
21 |         )
22 | string(REPLACE "\n" "" NODE_ADDON_API_DIR ${NODE_ADDON_API_DIR})
23 | string(REPLACE "\"" "" NODE_ADDON_API_DIR ${NODE_ADDON_API_DIR})
24 | target_include_directories(${PROJECT_NAME} PRIVATE ${NODE_ADDON_API_DIR})
25 | 
26 | # 파이썬 설정
27 | find_package(PythonLibs REQUIRED)
28 | include_directories(${PYTHON_INCLUDE_DIRS})
29 | target_link_libraries(${PROJECT_NAME} ${PYTHON_LIBRARIES})
30 | target_include_directories(${PROJECT_NAME} PRIVATE ${PYTHON_INCLUDE_DIRS})
31 | 
32 | # 애드온 버전?
33 | add_definitions(-DNAPI_VERSION=3)


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/binding.cc:
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 1 | #include <napi.h>
 2 | #include <Python.h>
 3 | 
 4 | // 파이썬 바인딩
 5 | std::string py()
 6 | {
 7 | 
 8 |     PyObject *pName, *pModule, *pDict, *pFunc, *presult;
 9 | 
10 |     Py_Initialize();
11 | 
12 |     // c실행파일 기준 path append
13 |     PyRun_SimpleString("import sys, os");
14 |     PyRun_SimpleString("sys.path.append(os.getcwd())");
15 |     // 모듈이름
16 |     pName = PyUnicode_FromString("impy");
17 |     // 임포트
18 |     pModule = PyImport_Import(pName);
19 | 
20 |     pDict = PyModule_GetDict(pModule);
21 | 
22 |     pFunc = PyObject_GetAttrString(pModule, (char *)"main");
23 | 
24 |     presult = PyObject_CallObject(pFunc, NULL);
25 | 
26 |     Py_DECREF(pName);
27 |     Py_DECREF(pModule);
28 |     Py_FinalizeEx();
29 | 
30 |     return PyUnicode_AsUTF8(presult);
31 | }
32 | 
33 | //바인딩
34 | Napi::String pythonToJSString(const Napi::CallbackInfo &info)
35 | {
36 |     Napi::Env env = info.Env();
37 |     return Napi::String::New(env, py());
38 | }
39 | 
40 | // export 지정
41 | Napi::Object init(Napi::Env env, Napi::Object exports)
42 | {
43 |     exports.Set(Napi::String::New(env, "pythonMethod"), Napi::Function::New(env, pythonToJSString));
44 |     return exports;
45 | };
46 | 
47 | NODE_API_MODULE(pythonBinding, init);


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