wasm-micro-runtime/language-bindings/python/wamr-api/samples/native-symbol

Native Symbol

This sample demonstrates how to declare a Python function as NativeSymbol.

Steps of the example:

1. Load WASM from Python
2. Call c_func from WASM.
3. c_func calls python_func from Python.
4. python_func calls add from WASM.
5. Result shown by Python.

Build

Follow instructions build wamr Python package.

Compile WASM app example,

./compile.sh

Run sample

python main.py

Output:

python: calling c_func(10)
c: in c_func with input: 10
c: calling python_func(11)
python: in python_func with input: 11
python: calling add(11, 1000)
python: result from add: 1011
c: result from python_func: 1012
c: returning 1013
python: result from c_func: 1013
deleting ExecEnv
deleting Instance
deleting Module
deleting Engine