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#!/usr/bin/env python3
#
# Copyright (C) 2019 Intel Corporation. All rights reserved.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
import ctypes
from wamr import *
def hello_callback():
print("Calling back...")
print("> Hello World!")
def main():
print("Initializing...")
engine = Engine()
store = Store(engine)
print("Loading binary...")
print("Compiling module...")
module = Module.from_file(engine, "./hello.wasm")
print("Creating callback...")
hello = Func(store, FuncType([], []), hello_callback)
print("Instantiating module...")
instance = Instance(store, module, [hello])
print("Extracting export...")
run = instance.exports(store)["run"]
print("Calling export...")
run(store)
print("Shutting down...")
print("Done.")
if __name__ == "__main__":
main()
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