BLD: Temporarily pin setuptools-scm<10

This is currently causing warnings at runtime in the editable install, which breaks almost all tests.
QuLogic · Mar 27, 2026 · Mar 24, 2026 · Mar 20, 2026 · Mar 26, 2026 · Mar 27, 2026
commit 5e1c1ca5a5d6e84d2388e54c622b7f2b835b0ab8
diff --git a/.github/workflows/cygwin.yml b/.github/workflows/cygwin.yml
@@ -182,7 +182,7 @@ jobs:
           export PATH="/usr/local/bin:$PATH"
           python -m pip install --no-build-isolation 'contourpy>=1.0.1'
           python -m pip install --upgrade cycler fonttools \
-              packaging pyparsing python-dateutil setuptools-scm \
+              packaging pyparsing python-dateutil 'setuptools-scm<10' \
               -r requirements_test.txt sphinx ipython
           python -m pip install --upgrade pycairo 'cairocffi>=0.8' PyGObject &&
              python -c 'import gi; gi.require_version("Gtk", "3.0"); from gi.repository import Gtk' &&

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
@@ -256,7 +256,7 @@ jobs:
           # Preinstall build requirements to enable no-build-isolation builds.
           python -m pip install --upgrade $PRE \
             'contourpy>=1.0.1' cycler fonttools kiwisolver importlib_resources \
-            packaging pillow 'pyparsing!=3.1.0' python-dateutil setuptools-scm \
+            packaging pillow 'pyparsing!=3.1.0' python-dateutil 'setuptools-scm<10' \
             'meson-python>=0.13.1' 'pybind11>=2.13.2' \
             -r requirements/testing/all.txt \
             ${{ matrix.extra-requirements }}

diff --git a/pyproject.toml b/pyproject.toml
@@ -49,7 +49,7 @@ requires-python = ">=3.11"
 dev = [
     "meson-python>=0.13.2,!=0.17.*",
     "pybind11>=2.13.2,!=2.13.3",
-    "setuptools_scm>=7",
+    "setuptools_scm>=7,<10",
     # Not required by us but setuptools_scm without a version, cso _if_
     # installed, then setuptools_scm 8 requires at least this version.
     # Unfortunately, we can't do a sort of minimum-if-installed dependency, so
@@ -75,7 +75,7 @@ requires = [
     # you really need it and aren't using an sdist.
     "meson-python>=0.13.2,!=0.17.*",
     "pybind11>=2.13.2,!=2.13.3",
-    "setuptools_scm>=7",
+    "setuptools_scm>=7,<10",
 ]
 
 [tool.meson-python.args]

diff --git a/requirements/dev/build-requirements.txt b/requirements/dev/build-requirements.txt
@@ -1,3 +1,3 @@
 pybind11>=2.13.2,!=2.13.3
 meson-python
-setuptools-scm
+setuptools-scm<10
diff --git a/requirements/testing/mypy.txt b/requirements/testing/mypy.txt
@@ -22,5 +22,5 @@ packaging>=20.0
 pillow>=9
 pyparsing>=3
 python-dateutil>=2.7
-setuptools_scm>=7
+setuptools_scm>=7,<10
 setuptools>=64