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WebAssembly (WASM) Support

Compiling a pure Python application to a standalone .wasm binary that can run unmodified across different environments (browsers, WASI runtimes) is challenging due to the need for a bundled Python interpreter (like Pyodide or MicroPython) inside the WASM binary.

Current Status

Is WASM support possible? Yes, using py2wasm. Is it implemented? Yes. A build_wasm target exists in Makefile which compiles the CLI to a standalone .wasm binary.

To build it manually:

pip install py2wasm
make build_wasm

This produces bin/cdd-python-all.wasm.