mirror of https://github.com/pyodide/pyodide.git
59 lines
1.7 KiB
Markdown
59 lines
1.7 KiB
Markdown
# Pyodide
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[](https://circleci.com/gh/iodide-project/pyodide)
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The Python scientific stack, compiled to WebAssembly.
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It provides transparent conversion of objects between Javascript and Python.
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When inside a browser, this means Python has full access to the Web APIs.
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**While closely related to the [iodide project](https://iodide.io), Pyodide may
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be used standalone in any context where you want to run Python inside a web
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browser.**
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See [the demo](https://iodide.io/pyodide-demo/python.html)
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# Building
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These instructions were tested on Linux. OSX should be mostly the same.
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Make sure the prerequisites for [emsdk](https://github.com/juj/emsdk) are
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installed. Pyodide will build a custom, patched version of emsdk, so there is no
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need to build it yourself prior.
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Additional build prerequisites are:
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- A working native compiler toolchain, enough to build CPython.
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- A native Python 3.7 to run the build scripts.
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- PyYAML
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- [lessc](https://lesscss.org/) to compile less to css.
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- [uglifyjs](https://github.com/mishoo/UglifyJS) to minify Javascript builds.
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- [ccache](https://ccache.samba.org) (optional) recommended for much faster rebuilds.
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`make`
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# Testing
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Install the following dependencies into the default Python installation:
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`pip install pytest selenium pytest-instafail`
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Install [geckodriver](https://github.com/mozilla/geckodriver/releases) and
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[chromedriver](https://sites.google.com/a/chromium.org/chromedriver/downloads) somewhere
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on your `PATH`.
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`pytest test/`
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# Benchmarking
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Install the same dependencies as for testing.
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`make benchmark`
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# Linting
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Python is linted with `flake8`. C and Javascript are linted with `clang-format`.
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`make lint`
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