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feat: pyemscripten platform tag (PEP 783), 314.0a1, pyodide-eol flag, and maintenance updates (#2812)

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* Use `pyodide config get emscripten_dir`

* Update constraints

* Updates for `pyemscripten` platform tag

* Weird constraints stuff...

* Revert "Weird constraints stuff..."

This reverts commit 4bd785de872269c0b27362ee800f17288b2b4789.

* Add some special constraints for pyodide

* Wheel pyemscripten collision

* Put delocate back in constraints (not needed tho)

* Drop Pyodide 0.27.7 (cp312-pyodide_wasm32)

* Add Pyodide 314.0.0a1 (cp314-pyodide_wasm32)

* Delete no-longer-needed Pyodide 312 constraints

* Update Pyodide 313 and 314 constraints

* Add back prerelease stuff and update tests

* Fix `test_pyodide_on_windows`

* Update and fix tests some more

* Also enable pyodide-prerelease in GHA sample build

* Update tests yet again (`SINGLE_PYTHON_VERSION` changes)

* Add a Pyodide-specific maintenance guide

* Add suggestions from Hood and Gyeongjae

Co-Authored-By: Hood Chatham <roberthoodchatham@gmail.com>
Co-Authored-By: Gyeongjae Choi <def6488@gmail.com>

* Add "Last updated: May 2026" to Pyodide document

* Add a Pyodide EOL filter

* Fix typo

* Update maintenance docs about EoL Pyodide

* Add Pyodide 312 constraints back

* Update Pyodide 313 and 314 constraints

* Remove "experimental" note about Pyodide

* Remove another experimental Pyodide sentence

* Add docs about the `pyodide-eol` enable option

---------

Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Co-authored-by: Gyeongjae Choi <def6488@gmail.com>
Co-authored-by: Henry Schreiner <henryfs@princeton.edu>
This commit is contained in:
agriya khetarpal
2026-05-09 14:01:41 -04:00
committed by GitHub
co-authored by Hood Chatham Gyeongjae Choi Henry Schreiner
parent 542335fb4a
commit d2c0e59833
20 changed files with 343 additions and 99 deletions
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test/test_dependency_versions.py
+17 -8
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@@ -77,13 +77,13 @@ def get_versions_from_constraint_file(constraint_file: Path) -> dict[str, str]:
return dict(re.findall(VERSION_REGEX, constraint_file_text))
@pytest.mark.parametrize("python_version", ["3.8", "3.12"])
@pytest.mark.parametrize("python_version", ["3.8", "3.13"])
def test_pinned_versions(
tmp_path: Path, python_version: str, build_frontend_env_nouv: dict[str, str]
) -> None:
if utils.get_platform() == "linux":
pytest.skip("linux doesn't pin individual tool versions, it pins manylinux images instead")
if python_version != "3.12" and utils.get_platform() == "pyodide":
if python_version != "3.13" and utils.get_platform() == "pyodide":
pytest.skip(f"pyodide does not support Python {python_version}")
if (
python_version == "3.8"
@@ -124,7 +124,7 @@ def test_pinned_versions(
expected_wheels = [
w
for w in utils.expected_wheels("spam", "0.1.0")
if f"-cp{version_no_dot}" in w or f"-pp{version_no_dot}" in w
if f"-cp{version_no_dot}-cp{version_no_dot}-" in w or f"-pp{version_no_dot}-" in w
]
assert set(actual_wheels) == set(expected_wheels)
@@ -140,11 +140,20 @@ def test_dependency_constraints(
project_dir = tmp_path / "project"
test_projects.new_c_project().generate(project_dir)
tool_versions = {
"pip": "23.1.2",
"build": "1.2.2",
"delocate": "0.10.3",
}
if utils.get_platform() == "pyodide":
# pyodide-build 0.34+ requires build~=1.4.0, so we must use a
# compatible version here. delocate is macOS-only and not used on pyodide.
tool_versions = {
"pip": "23.1.2",
"build": "1.4.2",
"delocate": "0.10.3",
}
else:
tool_versions = {
"pip": "23.1.2",
"build": "1.2.2",
"delocate": "0.10.3",
}
if method == "file":
constraints_file = tmp_path / "constraints file.txt"