Clean up pybind11 section

Author: jima80525

python-bindings/overview_article/pybind11_test.py

@@ -1,13 +1,10 @@
 #!/usr/bin/env python
-""" Simple examples of calling C functions through ctypes module. """
 import pybind11_example
 
 
 if __name__ == "__main__":
     # sample data for our call:
-    x = 6
-    y = 2.3
+    x, y = 6, 2.3
 
     answer = pybind11_example.cpp_function(x, y)
     print(f"    In Python: int: {x} float {y:.1f} return val {answer:.1f}")
-

python-bindings/overview_article/pybind11_wrapper.cpp

@@ -1,9 +1,7 @@
 #include <pybind11/pybind11.h>
 #include <cppmult.hpp>
 
-
 PYBIND11_MODULE(pybind11_example, m) {
     m.doc() = "pybind11 example plugin"; // optional module docstring
     m.def("cpp_function", &cppmult, "A function which multiplies two numbers");
 }
-

python-bindings/overview_article/tasks.py

@@ -57,20 +57,17 @@ def test_cffi(c):
 @invoke.task()
 def build_pybind11(c):
     """ Compile and link the shared library (DLL) for the sample C++ code."""
-    # compile and link the c++ library
-    invoke.run("g++ -O3 -Wall -Werror -shared -std=c++11 -fPIC " \
-               "-I /usr/include/python3.7 " \
-               "cppmult.cpp " \
-               "-o libcppmult.so "
+    # compile and link the cmult c++ library
+    invoke.run("g++ -O3 -Wall -Werror -shared -std=c++11 -fPIC "
+               "cppmult.cpp -o libcppmult.so "
               )
     # compile and link the pybind11 wrapper library
     invoke.run("g++ -O3 -Wall -Werror -shared -std=c++11 -fPIC "
                "`python3 -m pybind11 --includes` "
                "-I /usr/include/python3.7 -I . "
                "pybind11_wrapper.cpp "
                "-o pybind11_example`python3.7-config --extension-suffix` "
-               "-L. -lcppmult "
-               "-Wl,-rpath,. "
+               "-L. -lcppmult -Wl,-rpath,. "
               )
 
 @invoke.task()