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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[RFC] Add frozen python Lib to WASM build","articleBody":"## Summary\r\n\r\nIn the current WASM build we can import the stdlib libraries written in Rust (`time`, `hashlib` for example) but we cannot import any python libs  (`collections` for example). I would suggest to freeze all the modules in the `Lib/` folder to allow them to be imported in WASM.\r\n\r\n## Detailed Explanation\r\n\r\nWhen building the WASM build we will add all the modules in `Lib/` to the hashmap in `frozen.rs`.\r\n\r\n## Drawbacks, Rationale, and Alternatives\r\n\r\n- This will increase the WASM build size.\r\n\r\n## Unresolved Questions\r\n\r\n- Should we add libraries like `io` and `os`?\r\n- Should we add this as a feature flag to the regular build?","author":{"url":"https://github.com/palaviv","@type":"Person","name":"palaviv"},"datePublished":"2019-07-13T13:34:21.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/1142/RustPython/issues/1142"}