Exception: version mismatch in the bindings section

[whb07]

Running strictly from the example it looks like something in the instantiate function within wasmtime broke.

Traceback (most recent call last):
  File "run.py", line 7, in <module>
    import markdown
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "/private/tmp/wasmtime-demos/python/venv/lib/python3.7/site-packages/wasmtime/__init__.py", line 46, in exec_module
    res = instantiate(data, imports)
Exception: version mismatch in the bindings section: wasm file has `0.5.0` and this library supports `0.4.0`

[jmfrank63]

@whb07 Ran into the same issue. @tschneidereit did not publish any source code but you can find it at https://wasmtime.dev/. Clone the source and inside the misc/wasmtime-py directory you'll find instructions how to build the python wasmtime module.
Once build you can simply overwrite the .so file in your local installation or add the build/lib/ directory to your PYTHONPATH. Hih.

[zababurinsv]

I created
lib_wasmtime.cpython-37m-x86_64-linux-gnu.so
How i can add this file in PYTHONPATH ? or where find *.so for overwriting ?

[jmfrank63]

@zababurinsv It is in your site-packages/wasmtime directory. Which site-packages depends on your platform and if you installed wasmtime as system or user package.
To add it to your PYTHONPATH add the path of the file to an environment variable called PYTHONPATH.

[vladikoff]

Did anyone have luck with the js examples #7 ?

[alexcrichton]

I'm going to now that we've temporarily removed interface types support, but stay tuned to bytecodealliance/wasmtime#677 for future updates!