Fix CI: pin rpds-py for PyPy in test extras

GitHub Actions installs .[test], not tox-only pins. Newer rpds-py builds
with maturin/PyO3 and rejects PyPy 3.10. Add PEP 508 markers in
requirements/test.pip so PyPy resolves wheel versions; drop redundant
tox deps overrides.

Made-with: Cursor

Author: Peter Doggart

CHANGELOG.rst

@@ -37,7 +37,7 @@ Enhancements
    * Drop support for Python 3.9 (EOL); require Python 3.10 or newer. [python-restx]
    * Declare and test support for Python 3.13 and 3.14 (CPython). [python-restx]
    * Expand GitHub Actions and tox coverage: PyPy 3.10 and 3.11 with both Flask 2.x and Flask 3.x; exclude Flask 2 on 3.13/3.14 where unsupported. [python-restx]
-   * Refresh test and release tooling (pytest, pytest-benchmark, pytest-profiling, twine) for newer interpreters; PyPy test envs use tox-only dependency pins where needed. [python-restx]
+   * Refresh test and release tooling (pytest, pytest-benchmark, pytest-profiling, twine) for newer interpreters; constrain transitive ``rpds-py`` on PyPy via test extras so CI and tox resolve installable wheels. [python-restx]
 
 .. _bug_fixes-1.3.3
 Bug Fixes

requirements/test.pip

@@ -10,3 +10,7 @@ pytest-profiling==1.8.1
 invoke==2.2.0
 twine==6.2.0;platform_python_implementation!="PyPy"
 setuptools
+# PyPy + jsonschema/referencing: keep rpds-py on versions that publish wheels. Newer
+# rpds-py sdists need maturin/PyO3 (PyPy 3.11+ only), which breaks CI on PyPy 3.10.
+rpds-py<0.28;platform_python_implementation=="PyPy" and python_version<"3.11"
+rpds-py<0.30;platform_python_implementation=="PyPy" and python_version>="3.11"

tox.ini

@@ -22,15 +22,9 @@ deps =
     -r{toxinidir}/requirements/develop.pip
 
 [testenv:pypy3.10-flask{2,3}]
-deps =
-    {[testenv]deps}
-    rpds-py<0.28
 commands = {posargs:inv test}
 
 [testenv:pypy3.11-flask{2,3}]
-deps =
-    {[testenv]deps}
-    rpds-py<0.30
 commands = {posargs:inv test}
 
 [testenv:doc]