pybind.cpp

chronolaw · chronolaw · commit 9e1987abe771 · 2020-03-18T15:36:44.000+08:00
diff --git a/section4/demo.py b/section4/demo.py
@@ -0,0 +1,6 @@
+#!/usr/bin/python3
+
+import pydemo
+
+x = pydemo.add(1,2)
+print(x)
diff --git a/section4/pybind.cpp b/section4/pybind.cpp
@@ -0,0 +1,35 @@
+// Copyright (c) 2020 by Chrono
+//
+// apt install python3-pip
+// pip3 install pybind11
+//
+// apt install python3-dev
+// mkdir build && cd build
+// cmake .. -DPYBIND11_TEST=OFF
+//
+// g++ -shared -std=c++11 -fPIC `python3 -m pybind11 --includes` pybind.cpp -o pydemo`python3-config --extension-suffix`
+
+#include <pybind11/pybind11.h>
+
+int add(int a, int b)
+{
+    return a + b;
+}
+
+PYBIND11_MODULE(pydemo, m)
+{
+    m.doc() = "pybind11 doc";
+    m.def("add", &add, "add func");
+}
+
+#if 0
+
+#include <iostream>
+
+int main()
+{
+    using namespace std;
+
+    cout << "pybind demo" << endl;
+}
+#endif
