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From: Roland Mas <roland.mas@entierement.net>
Date: Fri, 2 Jan 2026 14:13:13 +0100
Subject: Python 3.14 compatibility
Partial backport of upstream's pull request at
https://github.com/pyapp-kit/magicgui/pull/721
---
.github/workflows/deploy_docs.yml | 1 +
.github/workflows/test_and_deploy.yml | 10 +++++-----
pyproject.toml | 7 +++++--
src/magicgui/signature.py | 17 +++++++++++------
tests/conftest.py | 12 ++++++++++++
5 files changed, 34 insertions(+), 13 deletions(-)
diff --git a/.github/workflows/deploy_docs.yml b/.github/workflows/deploy_docs.yml
index f8f3ad2..7767233 100644
--- a/.github/workflows/deploy_docs.yml
+++ b/.github/workflows/deploy_docs.yml
@@ -17,6 +17,7 @@ jobs:
fetch-depth: 0
- uses: astral-sh/setup-uv@v6
with:
+ python-version: "3.13"
enable-cache: true
- name: Deploy docs to GitHub Pages
diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index d20e606..bf007d2 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -23,7 +23,7 @@ jobs:
strategy:
fail-fast: false
matrix:
- python-version: ["3.10", "3.11"]
+ python-version: ["3.10", "3.13"]
os: [ubuntu-latest, macos-latest, windows-latest]
add-group: [pyqt6, pyside6]
include:
@@ -37,11 +37,11 @@ jobs:
- python-version: "3.9"
os: ubuntu-latest
add-group: pyside2
- - python-version: "3.11"
+ - python-version: "3.12"
os: windows-latest
add-group: pyqt5
- python-version: "3.10"
- os: ubuntu-latest
+ os: windows-latest
add-group: pyside2
- python-version: "3.12"
os: ubuntu-latest
@@ -49,10 +49,10 @@ jobs:
- python-version: "3.12"
os: ubuntu-latest
add-group: pyside6
- - python-version: "3.13"
+ - python-version: "3.14"
os: ubuntu-latest
add-group: pyside6
- - python-version: "3.13"
+ - python-version: "3.14"
os: windows-latest
add-group: pyqt6
steps:
diff --git a/pyproject.toml b/pyproject.toml
index bfb954c..ad3b82e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,7 @@ classifiers = [
"Programming Language :: Python :: 3.11",
"Programming Language :: Python :: 3.12",
"Programming Language :: Python :: 3.13",
+ "Programming Language :: Python :: 3.14",
"Topic :: Desktop Environment",
"Topic :: Software Development",
"Topic :: Software Development :: User Interfaces",
@@ -65,6 +66,7 @@ third-party-support = [
"attrs>=25.3.0",
"ipykernel>=6.29.5",
"matplotlib>=3.9.4",
+ "numpy>=2.1.0; python_version >= '3.13'",
"numpy>=1.26.4",
"pandas>=2.2.3; python_version >= '3.11'",
"pandas>=2.1",
@@ -81,7 +83,7 @@ test = [
test-qt = [{ include-group = "test" }, "pytest-qt >=4.3.0"]
pyqt5 = ["magicgui[pyqt5]", { include-group = "test-qt" }]
pyqt6 = ["magicgui[pyqt6]", { include-group = "test-qt" }]
-pyside2 = ["magicgui[pyside2]", { include-group = "test-qt" }]
+pyside2 = ["magicgui[pyside2]", { include-group = "test-qt" }, "numpy<2; python_version < '3.13'"]
pyside6 = ["magicgui[pyside6]", { include-group = "test-qt" }]
dev = [
{ include-group = "test" },
@@ -131,7 +133,7 @@ line-length = 88
target-version = "py39"
src = ["src", "tests"]
fix = true
-# unsafe-fixes = true
+unsafe-fixes = true
[tool.ruff.lint]
pydocstyle = { convention = "numpy" }
@@ -179,6 +181,7 @@ filterwarnings = [
"ignore:Jupyter is migrating:DeprecationWarning",
"ignore:The `ipykernel.comm.Comm` class has been deprecated",
"ignore:.*read_binary is deprecated:",
+ "ignore::DeprecationWarning:matplotlib",
]
# https://mypy.readthedocs.io/en/stable/config_file.html
diff --git a/src/magicgui/signature.py b/src/magicgui/signature.py
index d67ed6a..3a84cb8 100644
--- a/src/magicgui/signature.py
+++ b/src/magicgui/signature.py
@@ -182,14 +182,19 @@ class MagicParameter(inspect.Parameter):
rep = rep.replace(": NoneType = ", "=")
return rep
- def __str__(self) -> str:
- """Return string representation of the Parameter in a signature."""
+ def _format(self, *, quote_annotation_strings: bool = True) -> str:
+ """Return formatted string for use in Signature.format() (Python 3.14+)."""
hint, _ = get_args(self.annotation)
- return str(
- inspect.Parameter(
- self.name, self.kind, default=self.default, annotation=hint
- )
+ param = inspect.Parameter(
+ self.name, self.kind, default=self.default, annotation=hint
)
+ if hasattr(param, "_format"): # python 3.14+
+ return param._format(quote_annotation_strings=quote_annotation_strings) # type: ignore[no-any-return]
+ return str(param)
+
+ def __str__(self) -> str:
+ """Return string representation of the Parameter in a signature."""
+ return self._format()
def to_widget(
self,
diff --git a/tests/conftest.py b/tests/conftest.py
index b2ed66d..23c6a48 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,7 +1,19 @@
+import os
+
import pytest
from magicgui.application import use_app
+# Disable tqdm's TMonitor thread to prevent race conditions with Qt threading
+# that can cause intermittent segfaults on CI (especially with PySide6 on Linux).
+# See: https://github.com/tqdm/tqdm/issues/469
+try:
+ from tqdm import tqdm as _tqdm_std
+
+ _tqdm_std.monitor_interval = 0
+except ImportError:
+ pass
+
@pytest.fixture(scope="session")
def qapp():
|
