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Lerking/micropython

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Author	SHA1	Message	Date
Damien George	24f395b5db	tests/ports/webassembly: Move JsProxy identity test to separate file. This test is not a PyProxy test, rather it's a JsProxy test. Signed-off-by: Damien George <damien@micropython.org>	2025-09-26 14:02:11 +10:00
Damien George	ffa98cb014	webassembly/proxy_js: Reuse JsProxy ref if object matches. 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cancelled Details This reduces memory use by reusing objects, and improves identity/equality relationships of JavaScript objects on the Python side. In `77bd8fe5b8` PyProxy's were reused when the same Python object was proxied across to JavaScript. This commit does the same thing but for JsProxy's going from JS to Python. If an existing JsProxy reference exists for the JS object about to be proxied across, then it's reused. This helps reduce the number of alive objects (memory use), and, more importantly, improves equality relationships of JavaScript objects on the Python side. Eg we now get, on the Python side: import js print(js.Object == js.Object) that prints True. Previously it was False. Note that this change does not make identity work with `is`, for example `js.Object is js.Object` is actually False. With more work that could be made True but for now we leave that as-is. The behaviour with this commit matches Pyodide semantics. Signed-off-by: Damien George <damien@micropython.org>	2025-07-31 11:40:50 +10:00
Damien George	77bd8fe5b8	webassembly: Reuse PyProxy objects when they are the same Python object. 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For example, proxying the same Python function to JavaScript, the same PyProxy instance is now used. This means that if `foo` is a Python function then accessing it on the JavaScript side such as `api.globals().get("foo")` has the property that: api.globals().get("foo") === api.globals().get("foo") Prior to this commit the above was not true because new PyProxy instances were created each time `foo` was accessed. Signed-off-by: Damien George <damien@micropython.org>	2024-07-19 11:55:24 +10:00