We've received user feedback recently that Python => JS calls are a bit slow when
the arguments...

It was failing since PR #4033

Rendering the destroyed error messages for PyProxies is pretty inefficient.
This adds a setting...

A descriptor is *writable* if either writable is true or it has a setter.
A descriptor is *dele...

This removes several confusing `static` markers and fixes the xrefs for
the async functions def...

`finalizationRegistry.register` is expensive. This PR avoids calling it when converting function...

This reverts commit 9e1086c4381fe883fdc9f9c351a901df04be459e.

This adds `check_wasm_magic_number` to`pyodide_build` which checks whether a file starts
with ...

Thanks #tomasr8!

[skip ci]

[skip ci]

Co-authored-by: Hood Chatham <[email protected]>
Co-authored-by: pre-commit-ci[bot] <...

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

I added tools/constraints.txt and set it into the PIP_CONSTRAINT environment variable.

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+d...

When we call a Python function from JavaScript, if the result is a coroutine
we have logic to a...

Upgrades scipy to its latest release 1.11.1 (released 28 June 2023).

I ran the scipy test sui...

The previous logic raised an OSError if a response returned a status code of 400
or greater but...

This change allows users to customize where wheels are cached in Node.
This is important in the...

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

This is a minor optimization in `JsObject_GetString`. We only need to check if `key in obj`
whe...

More fixes for scipy functions with incorrect signatures that are only called in try blocks

Relocates methods that are related to the build environment management (common.py ==> build_env.py)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

In C++
```
try {
some_func(arg1, arg2, ...);
} catch (SomeException e) {
// ...
}
```
...

This is dead code.

pyodide-http (0.2.1) includes a bug fix for Firefox

Resolves #3924. Some code checks whether an object is callable with `instanceof Function`.
The ...

This is some cleanup after #3883.

- Make the `PYODIDE_ROOT` be modified only inside the `init...

Removes some of the compatibility break introduced in #3617.
Update faq too.

This reverts commit 59bb655957b07082d70609dcc72d2bb723dd30ff.

This should make Python updates a little easier and more secure.

See: python.org/download/sig...

Tskit release 0.5.5 is a minor bugfix release containing a fix for for 32bit binaries.
See htt...

Prior to this commit:
```js
pyodide.registerJsModule("xx", {a: 2});
pyodide.runPython("from x...

This also updates the command line runner to pass in all ambient environment
variables except t...

In Python 3.12 it's required to use designated initializers for `_PyArg_Parser`.

Using `Py_SIZE` on `PyLongObject` is no longer allowed in Python 3.12. Less
importantly, we are...

This makes things work correctly if `PYVERSION` is set equal to e.g., `3.12.0b2`

Prior to this PR, internal Python code paths that use `PySequence_*` methods
directly would fa...

This adds a test PyO3 module which intentionally panics and checks that it
gets properly caught...

This fixes benchmark-stack-size which seems to have been broken by the upgrade to pytest-pyodide...

See upstream PR:
emscripten-core/emscripten#19402

This only affects development, it is not a...

These flags are not needed when building packages.

Work towards making a pyproxy of a list a drop-in replacement for an array.
This can't be done ...