| Name | polywrap-wasm JSON |
| Version |
0.1.0
JSON |
| download |
| home_page | |
| Summary | Polywrap Wasm |
| upload_time | 2023-09-02 11:49:18 |
| maintainer | |
| docs_url | None |
| author | Cesar |
| requires_python | >=3.10,<4.0 |
| license | |
| keywords |
|
| VCS |
|
| bugtrack_url |
|
| requirements |
No requirements were recorded.
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|
Polywrap Wasm
=============
This package contains the runtime for executing Wasm wrappers.
Quickstart
----------
The following code snippet demonstrates how to use the runtime to execute a Wasm wrapper.
Imports
~~~~~~~
>>> import os
>>> from typing import cast
>>> from polywrap_core import Uri, FileReader, InvokerClient
>>> from polywrap_wasm import WasmWrapper
>>> from polywrap_msgpack import msgpack_decode
>>> from polywrap_manifest import deserialize_wrap_manifest, AnyWrapManifest
Create a Wasm wrapper
~~~~~~~~~~~~~~~~~~~~~
>>> path_to_wrapper = os.path.join(os.path.dirname(__file__), "..", "tests", "cases", "simple")
>>> assert os.path.exists(path_to_wrapper)
>>> with open(os.path.join(path_to_wrapper, "wrap.wasm"), "rb") as f:
... wasm_module = f.read()
>>> assert isinstance(wasm_module, bytes)
>>> with open(os.path.join(path_to_wrapper, "wrap.info"), "rb") as f:
... manifest = deserialize_wrap_manifest(f.read())
>>> assert isinstance(manifest, AnyWrapManifest)
>>> wrapper = WasmWrapper(
... cast(FileReader, NotImplemented),
... wasm_module,
... manifest
... )
>>> assert isinstance(wrapper, WasmWrapper)
Invocation
~~~~~~~~~~
>>> message = "Hello, World!"
>>> args = {"arg": message}
>>> result = wrapper.invoke(
... uri=Uri.from_str("wrap://authority/path"),
... method="simpleMethod",
... args=args,
... client=cast(InvokerClient, NotImplemented),
... )
>>> assert result.encoded is True
>>> assert msgpack_decode(cast(bytes, result.result)) == message
Raw data
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