Refactor PackageLoader to use importlib_resources

CHANGES.rst

@@ -9,6 +9,7 @@ Unreleased
 -   Use modern packaging metadata with ``pyproject.toml`` instead of ``setup.cfg``.
     :pr:`1793`
 -   Use ``flit_core`` instead of ``setuptools`` as build backend.
+-   Refactor ``PackageLoader`` to use ``importlib_resources`` to fix ``PackageLoader.list_templates()`` for Python 3.13.
 
 
 Version 3.1.5

requirements/dev.txt

@@ -1,39 +1,44 @@
 #
-# This file is autogenerated by pip-compile with Python 3.12
+# This file is autogenerated by pip-compile with Python 3.13
 # by the following command:
 #
 #    pip-compile dev.in
 #
 alabaster==0.7.16
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
 attrs==23.2.0
     # via
+    #   -r tests.txt
     #   outcome
     #   trio
 babel==2.15.0
-    # via sphinx
-build==1.2.1
-    # via pip-tools
+    # via
+    #   -r docs.txt
+    #   sphinx
 cachetools==5.3.3
     # via tox
 certifi==2024.2.2
-    # via requests
+    # via
+    #   -r docs.txt
+    #   requests
 cfgv==3.4.0
     # via pre-commit
 chardet==5.2.0
     # via tox
 charset-normalizer==3.3.2
-    # via requests
-click==8.1.7
     # via
-    #   pip-compile-multi
-    #   pip-tools
+    #   -r docs.txt
+    #   requests
 colorama==0.4.6
     # via tox
 distlib==0.3.8
     # via virtualenv
 docutils==0.21.2
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
 filelock==3.14.0
     # via
     #   tox
@@ -42,107 +47,138 @@ identify==2.5.36
     # via pre-commit
 idna==3.7
     # via
+    #   -r docs.txt
+    #   -r tests.txt
     #   requests
     #   trio
 imagesize==1.4.1
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
+importlib-resources==6.4.0
+    # via -r tests.txt
 iniconfig==2.0.0
-    # via pytest
+    # via
+    #   -r tests.txt
+    #   pytest
 jinja2==3.1.4
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
 markupsafe==2.1.5
-    # via jinja2
+    # via
+    #   -r docs.txt
+    #   jinja2
 mypy==1.10.0
-    # via -r typing.in
+    # via -r typing.txt
 mypy-extensions==1.0.0
-    # via mypy
+    # via
+    #   -r typing.txt
+    #   mypy
 nodeenv==1.8.0
     # via pre-commit
 outcome==1.3.0.post0
-    # via trio
+    # via
+    #   -r tests.txt
+    #   trio
 packaging==24.0
     # via
-    #   build
+    #   -r docs.txt
+    #   -r tests.txt
     #   pallets-sphinx-themes
     #   pyproject-api
     #   pytest
     #   sphinx
     #   tox
 pallets-sphinx-themes==2.1.3
-    # via -r docs.in
-pip-compile-multi==2.6.3
-    # via -r dev.in
-pip-tools==7.4.1
-    # via pip-compile-multi
+    # via -r docs.txt
 platformdirs==4.2.1
     # via
     #   tox
     #   virtualenv
 pluggy==1.5.0
     # via
+    #   -r tests.txt
     #   pytest
     #   tox
 pre-commit==3.7.1
     # via -r dev.in
 pygments==2.18.0
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
 pyproject-api==1.6.1
     # via tox
-pyproject-hooks==1.1.0
-    # via
-    #   build
-    #   pip-tools
 pytest==8.2.0
-    # via -r tests.in
+    # via -r tests.txt
 pyyaml==6.0.1
     # via pre-commit
 requests==2.31.0
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
 sniffio==1.3.1
-    # via trio
+    # via
+    #   -r tests.txt
+    #   trio
 snowballstemmer==2.2.0
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
 sortedcontainers==2.4.0
-    # via trio
+    # via
+    #   -r tests.txt
+    #   trio
 sphinx==7.3.7
     # via
-    #   -r docs.in
+    #   -r docs.txt
     #   pallets-sphinx-themes
     #   sphinx-issues
     #   sphinxcontrib-log-cabinet
 sphinx-issues==4.1.0
-    # via -r docs.in
+    # via -r docs.txt
 sphinxcontrib-applehelp==1.0.8
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
 sphinxcontrib-devhelp==1.0.6
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
 sphinxcontrib-htmlhelp==2.0.5
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
 sphinxcontrib-jsmath==1.0.1
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
 sphinxcontrib-log-cabinet==1.0.1
-    # via -r docs.in
+    # via -r docs.txt
 sphinxcontrib-qthelp==1.0.7
-    # via sphinx
+    # via
+    #   -r docs.txt
+    #   sphinx
 sphinxcontrib-serializinghtml==1.1.10
-    # via sphinx
-toposort==1.10
-    # via pip-compile-multi
+    # via
+    #   -r docs.txt
+    #   sphinx
 tox==4.15.0
     # via -r dev.in
 trio==0.25.0
-    # via -r tests.in
+    # via -r tests.txt
 typing-extensions==4.11.0
-    # via mypy
+    # via
+    #   -r typing.txt
+    #   mypy
 urllib3==2.2.1
-    # via requests
+    # via
+    #   -r docs.txt
+    #   requests
 virtualenv==20.26.1
     # via
     #   pre-commit
     #   tox
-wheel==0.43.0
-    # via pip-tools
 
 # The following packages are considered to be unsafe in a requirements file:
-# pip
 # setuptools

requirements/docs.in

@@ -1,3 +1,4 @@
 pallets-sphinx-themes
 sphinx
 sphinxcontrib-log-cabinet
+importlib-resources

requirements/docs.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.12
+# This file is autogenerated by pip-compile with Python 3.13
 # by the following command:
 #
 #    pip-compile docs.in
@@ -18,6 +18,8 @@ idna==3.7
     # via requests
 imagesize==1.4.1
     # via sphinx
+importlib-resources==6.4.0
+    # via -r docs.in
 jinja2==3.1.4
     # via sphinx
 markupsafe==2.1.5
@@ -38,10 +40,7 @@ sphinx==7.3.7
     # via
     #   -r docs.in
     #   pallets-sphinx-themes
-    #   sphinx-issues
     #   sphinxcontrib-log-cabinet
-sphinx-issues==4.1.0
-    # via -r docs.in
 sphinxcontrib-applehelp==1.0.8
     # via sphinx
 sphinxcontrib-devhelp==1.0.6

requirements/tests.in

@@ -1,2 +1,3 @@
 pytest
 trio
+importlib-resources

requirements/tests.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.12
+# This file is autogenerated by pip-compile with Python 3.13
 # by the following command:
 #
 #    pip-compile tests.in
@@ -10,6 +10,8 @@ attrs==23.2.0
     #   trio
 idna==3.7
     # via trio
+importlib-resources==6.4.0
+    # via -r tests.in
 iniconfig==2.0.0
     # via pytest
 outcome==1.3.0.post0

requirements/tests37.in

@@ -1,2 +1,3 @@
 pytest
 trio==0.22.2
+importlib-resources

requirements/tests37.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.7
+# This file is autogenerated by pip-compile with Python 3.13
 # by the following command:
 #
 #    pip-compile tests37.in
@@ -8,17 +8,10 @@ attrs==23.2.0
     # via
     #   outcome
     #   trio
-exceptiongroup==1.2.1
-    # via
-    #   pytest
-    #   trio
 idna==3.7
     # via trio
-importlib-metadata==6.7.0
-    # via
-    #   attrs
-    #   pluggy
-    #   pytest
+importlib-resources==6.4.0
+    # via -r tests37.in
 iniconfig==2.0.0
     # via pytest
 outcome==1.3.0.post0
@@ -33,11 +26,5 @@ sniffio==1.3.1
     # via trio
 sortedcontainers==2.4.0
     # via trio
-tomli==2.0.1
-    # via pytest
 trio==0.22.2
     # via -r tests37.in
-typing-extensions==4.7.1
-    # via importlib-metadata
-zipp==3.15.0
-    # via importlib-metadata

requirements/typing.in

@@ -1,3 +1,4 @@
 mypy
 pyright
 pytest
+importlib-resources

requirements/typing.txt

@@ -1,12 +1,29 @@
 #
-# This file is autogenerated by pip-compile with Python 3.12
+# This file is autogenerated by pip-compile with Python 3.13
 # by the following command:
 #
 #    pip-compile typing.in
 #
+importlib-resources==6.4.0
+    # via -r typing.in
+iniconfig==2.0.0
+    # via pytest
 mypy==1.10.0
     # via -r typing.in
 mypy-extensions==1.0.0
     # via mypy
+nodeenv==1.8.0
+    # via pyright
+packaging==24.0
+    # via pytest
+pluggy==1.5.0
+    # via pytest
+pyright==1.1.363
+    # via -r typing.in
+pytest==8.2.1
+    # via -r typing.in
 typing-extensions==4.11.0
     # via mypy
+
+# The following packages are considered to be unsafe in a requirements file:
+# setuptools