⬆️ Add support for Python 3.12 (#41)

Co-authored-by: Chris Sewell <chrisj_sewell@hotmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: 3 people

.github/workflows/tests.yml

@@ -27,7 +27,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
 
     runs-on: ${{ matrix.os }}
 

pyproject.toml

@@ -19,6 +19,7 @@ classifiers = [
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: Implementation :: CPython",
   "Operating System :: OS Independent",
   "License :: OSI Approved :: BSD License",
@@ -27,6 +28,7 @@ requires-python = "~=3.8"
 dependencies = [
   "pytest>=3.5.0",
   "attrs<23,>=19",
+  "importlib-metadata~=6.0;python_version<'3.10'",
   "importlib-resources~=5.0;python_version<'3.9'",
   "nbclient~=0.5.10",
   "nbdime",

pytest_notebook/plugin.py

@@ -11,7 +11,6 @@
 - https://docs.pytest.org/en/latest/_modules/_pytest/hookspec.html
 
 """
-from distutils.util import strtobool as _str2bool
 import os
 import shlex
 
@@ -135,7 +134,26 @@ def str2bool(string):
     """
     if isinstance(string, bool):
         return string
-    return bool(_str2bool(string))
+
+    _map = {
+        "y": True,
+        "yes": True,
+        "t": True,
+        "true": True,
+        "on": True,
+        "1": True,
+        "n": False,
+        "no": False,
+        "f": False,
+        "false": False,
+        "off": False,
+        "0": False,
+    }
+
+    try:
+        return _map[string.lower()]
+    except KeyError:
+        raise ValueError(f'"{string}" is not a valid bool value')
 
 
 def strip_quotes(string):

pytest_notebook/post_processors.py

@@ -11,7 +11,12 @@
 from typing import Tuple
 
 from nbformat import NotebookNode
-import pkg_resources
+
+try:
+    # python <= 3.9
+    from importlib_metadata import entry_points
+except ImportError:
+    from importlib.metadata import entry_points
 
 logger = logging.getLogger(__name__)
 
@@ -21,22 +26,19 @@
 @functools.lru_cache()
 def list_processor_names():
     """List entry point names for  post-processors."""
-    return [ep.name for ep in pkg_resources.iter_entry_points(ENTRY_POINT_NAME)]
+    return [ep.name for ep in entry_points().select(group=ENTRY_POINT_NAME)]
 
 
 @functools.lru_cache()
 def load_processor(name: str):
     """Get a post-processors for an entry point name."""
-    matches = [
-        ep
-        for ep in pkg_resources.iter_entry_points(ENTRY_POINT_NAME)
-        if ep.name == name
-    ]
-    if not matches:
+    try:
+        (entry_point,) = entry_points().select(group=ENTRY_POINT_NAME, name=name)
+    except ValueError:
         raise ValueError(
             "entry point '{}' for group '{}' not found".format(name, ENTRY_POINT_NAME)
         )
-    return matches[0].load()
+    return entry_point.load()
 
 
 def document_processors():