[#1354] update swig to latest version

Removes some system wide swig warning suppressions

Author: schaubh

.github/workflows/requirements_dev.txt

@@ -4,9 +4,7 @@ conan
 packaging
 setuptools
 setuptools-scm
-# TODO: The SWIG 4.4.X is incompatible with Basilisk. Pin to SWIG 4.3.1 until
-# Basilisk is updated to support SWIG 4.4.X
-swig<=4.3.1,>=4.2.1
+swig
 libclang
 
 pytest

pyproject.toml

@@ -13,7 +13,7 @@ requires = [
     # Requirements for building Basilisk through conanfile
     "conan>=2.0.5,<=2.23.0",
     "cmake>=3.26,<4.0",
-    "swig>=4.2.1,<=4.3.1",  # Known to work with https://github.com/nightlark/swig-pypi/pull/120
+    "swig>=4.2.1,<5",  # Support Basilisk's established SWIG baseline while allowing the latest 4.4.x releases.
     "libclang>=15.0.6.1,<=18.1.1"  # Required by generatePayloadMetaJson.py (message code generation)
 ]
 
@@ -105,8 +105,3 @@ markers = [
   "scenarioTest: mark a test as a tutorial scenario test.",
   "ciSkip: mark a test that should be skipped on the CI test runs",
 ]
-filterwarnings = [
-  "ignore:builtin type SwigPyPacked has no __module__ attribute:DeprecationWarning",
-  "ignore:builtin type SwigPyObject has no __module__ attribute:DeprecationWarning",
-  "ignore:builtin type swigvarlink has no __module__ attribute:DeprecationWarning",
-]

requirements_dev.txt

@@ -4,7 +4,7 @@ conan>=2.0.5,<=2.23.0
 packaging>=24,<26
 setuptools>=70.1.0,<=80.9.0
 setuptools-scm>=8.0,<=9.2.2
-swig<=4.3.1,>=4.2.1
+swig>=4.2.1,<5
 libclang>=15.0.6.1,<=18.1.1
 
 pytest>=8.3.5,<=9.0.1

setup.py

@@ -88,7 +88,7 @@ def finalize_options(self) -> None:
 
         # Set limited ABI compatibility by default, targeting the minimum required Python version.
         # See https://docs.python.org/3/c-api/stable.html
-        # NOTE: Swig 4.2.1 or higher is required, see https://github.com/swig/swig/pull/2727
+        # NOTE: Swig 4.2.1 or higher is required. Newer 4.4.x releases avoid deprecated wrapper warnings on newer Python.
         min_version = next(self.distribution.python_requires.filter([f"3.{i}" for i in range(2, 100)])).replace(".", "")
         wheel_py_limited = f"cp{min_version}"
         bdist_wheel = self.reinitialize_command("bdist_wheel", py_limited_api=wheel_py_limited)

src/CMakeLists.txt

@@ -71,7 +71,7 @@ if(PY_LIMITED_API AND NOT PY_LIMITED_API STREQUAL "")
   # compatibility (basically, we can build a single Python wheel to
   # support all future Python versions).
   # See https://docs.python.org/3/c-api/stable.html
-  # NOTE: Swig 4.2.0 is required, see https://github.com/swig/swig/pull/2727
+  # NOTE: Swig 4.2.0 is required. Swig 4.4.x avoids the deprecated wrapper warnings on newer Python releases.
   add_definitions("-DPy_LIMITED_API=${PY_LIMITED_API}")  # Support for current Python version
 
   # Force libraries to link to the Stable ABI module instead.

src/conftest.py

@@ -21,19 +21,12 @@
 import shutil
 import subprocess
 import sys
-import warnings
 from datetime import date
 
 import matplotlib as mpl
 import matplotlib.pyplot as plt
 import pytest
 
-warnings.filterwarnings(
-    "ignore",
-    message="builtin type swigvarlink has no __module__ attribute",
-    category=DeprecationWarning,
-)
-
 SHOW_PLOTS_REMOVAL_DATE = date(2027, 2, 12)
 SHOW_PLOTS_DEPRECATION_MESSAGE = (
     "The pytest option '--show_plots' is deprecated and will be removed after February 12, 2027."

src/pytest.ini

@@ -4,8 +4,3 @@ markers =
     slowtest: mark a test as a slow unit test.
     scenarioTest: mark a test as a tutorial scenario test.
     ciSkip: mark a test that should be skipped on the CI test runs
-
-filterwarnings =
-    ignore:builtin type SwigPyPacked has no __module__ attribute:DeprecationWarning
-    ignore:builtin type SwigPyObject has no __module__ attribute:DeprecationWarning
-    ignore:builtin type swigvarlink has no __module__ attribute:DeprecationWarning