Add patches to allow overriding Python versions better.

scripts/configure.sh

@@ -22,13 +22,13 @@ if ! is-set PYTHON; then
     PYTHON=python
 fi
 frameworks=("pyqt5" "pyqt6" "pyside6")
-have_pyside=$(PYTHON -c 'import sys; print(sys.version_info < (3, 11))')
+have_pyside=$(${PYTHON} -c 'import sys; print(sys.version_info < (3, 11))')
 if [[ "${have_pyside}" == "True" ]]; then
     frameworks+=("pyside2")
 fi
 
 # NOTE: We need to make sure the scripts directory is added to the path
-python_home=$(PYTHON -c 'import site; print(site.getsitepackages()[0])')
+python_home=$(${PYTHON} -c 'import site; print(site.getsitepackages()[0])')
 scripts_dir="${python_home}/scripts"
 uname_s="$(uname -s)"
 if [[ "${uname_s}" == MINGW* ]]; then
@@ -37,13 +37,13 @@ if [[ "${uname_s}" == MINGW* ]]; then
 fi
 export PATH="${scripts_dir}:${PATH}"
 for framework in "${frameworks[@]}"; do
-    "${PYTHON}" "${project_home}/configure.py" \
+    ${PYTHON} "${project_home}/configure.py" \
         --styles=all \
         --extensions=all \
         --qt-framework "${framework}" \
         --output-dir "${project_home}/dist/ci" \
         --resource "breeze_${framework}.qrc" \
         --compiled-resource "${project_home}/dist/ci/breeze_${framework}.py"
     # this will auto-fail due to pipefail, checks the imports work
-    "${PYTHON}" -c "import os; os.chdir('dist/ci'); import breeze_${framework}"
+    ${PYTHON} -c "import os; os.chdir('dist/ci'); import breeze_${framework}"
 done

scripts/theme.sh

@@ -13,10 +13,10 @@ cd "${project_home}/example"
 if ! is-set PYTHON; then
     PYTHON=python
 fi
-theme=$("${PYTHON}" -c "import breeze_theme; print(breeze_theme.get_theme())")
+theme=$(${PYTHON} -c "import breeze_theme; print(breeze_theme.get_theme())")
 if [[ "${theme}" != Theme.* ]]; then
     >&2 echo "Unable to get the correct theme."
     exit 1
 fi
-"${PYTHON}" -c "import breeze_theme; print(breeze_theme.is_light())"
-"${PYTHON}" -c "import breeze_theme; print(breeze_theme.is_dark())"
+${PYTHON} -c "import breeze_theme; print(breeze_theme.is_light())"
+${PYTHON} -c "import breeze_theme; print(breeze_theme.is_dark())"