MNT: Compat with pytest 8.1

.github/workflows/test_and_publish.yml

@@ -13,6 +13,10 @@ on:
   # Allow manual runs through the web UI
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   test:
     uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
@@ -42,8 +46,7 @@ jobs:
         - linux: py311-test-mpl36
         - linux: py311-test-mpl37
         # Test different versions of pytest
-        # Skip pytestdev until hook wrapper issue is fixed
-        # - linux: py312-test-mpldev-pytestdev
+        - linux: py312-test-mpldev-pytestdev
         - linux: py39-test-mpl33-pytest62
         - linux: py38-test-mpl31-pytest54
       coverage: 'codecov'

pytest_mpl/plugin.py

@@ -128,7 +128,7 @@ def wrapper(*args, **kwargs):
         item.obj = figure_interceptor(plugin, item.obj)
 
 
-def pytest_report_header(config, startdir):
+def pytest_report_header():
     import matplotlib
     import matplotlib.ft2font
     return ["Matplotlib: {0}".format(matplotlib.__version__),
@@ -803,67 +803,76 @@ def pytest_runtest_call(self, item):  # noqa
 
             # Run test and get figure object
             wrap_figure_interceptor(self, item)
-            yield
-            if test_name not in self.return_value:
-                # Test function did not complete successfully
-                summary['status'] = 'failed'
-                summary['status_msg'] = ('Test function raised an exception '
-                                         'before returning a figure.')
-                self._test_results[test_name] = summary
-                return
-            fig = self.return_value[test_name]
-
-            if remove_text:
-                remove_ticks_and_titles(fig)
-
-            result_dir = self.make_test_results_dir(item)
-
-            # What we do now depends on whether we are generating the
-            # reference images or simply running the test.
-            if self.generate_dir is not None:
-                summary['status'] = 'skipped'
-                summary['image_status'] = 'generated'
-                summary['status_msg'] = 'Skipped test, since generating image.'
-                generate_image = self.generate_baseline_image(item, fig)
-                if self.results_always:  # Make baseline image available in HTML
-                    result_image = (result_dir / f"baseline.{ext}").absolute()
-                    shutil.copy(generate_image, result_image)
-                    summary['baseline_image'] = \
-                        result_image.relative_to(self.results_dir).as_posix()
-
-            if self.generate_hash_library is not None:
-                summary['hash_status'] = 'generated'
-                image_hash = self.generate_image_hash(item, fig)
-                self._generated_hash_library[test_name] = image_hash
-                summary['baseline_hash'] = image_hash
-
-            # Only test figures if not generating images
-            if self.generate_dir is None:
-                # Compare to hash library
-                if self.hash_library or compare.kwargs.get('hash_library', None):
-                    msg = self.compare_image_to_hash_library(item, fig, result_dir, summary=summary)
-
-                # Compare against a baseline if specified
-                else:
-                    msg = self.compare_image_to_baseline(item, fig, result_dir, summary=summary)
 
-                close_mpl_figure(fig)
-
-                if msg is None:
-                    if not self.results_always:
-                        shutil.rmtree(result_dir)
-                        for image_type in ['baseline_image', 'diff_image', 'result_image']:
-                            summary[image_type] = None  # image no longer exists
-                else:
+            # See https://github.com/pytest-dev/pytest/issues/11714
+            result = yield
+            try:
+                if test_name not in self.return_value:
+                    # Test function did not complete successfully
+                    summary['status'] = 'failed'
+                    summary['status_msg'] = ('Test function raised an exception '
+                                             'before returning a figure.')
                     self._test_results[test_name] = summary
-                    pytest.fail(msg, pytrace=False)
+                    return
+                fig = self.return_value[test_name]
+
+                if remove_text:
+                    remove_ticks_and_titles(fig)
+
+                result_dir = self.make_test_results_dir(item)
+
+                # What we do now depends on whether we are generating the
+                # reference images or simply running the test.
+                if self.generate_dir is not None:
+                    summary['status'] = 'skipped'
+                    summary['image_status'] = 'generated'
+                    summary['status_msg'] = 'Skipped test, since generating image.'
+                    generate_image = self.generate_baseline_image(item, fig)
+                    if self.results_always:  # Make baseline image available in HTML
+                        result_image = (result_dir / f"baseline.{ext}").absolute()
+                        shutil.copy(generate_image, result_image)
+                        summary['baseline_image'] = \
+                            result_image.relative_to(self.results_dir).as_posix()
+
+                if self.generate_hash_library is not None:
+                    summary['hash_status'] = 'generated'
+                    image_hash = self.generate_image_hash(item, fig)
+                    self._generated_hash_library[test_name] = image_hash
+                    summary['baseline_hash'] = image_hash
+
+                # Only test figures if not generating images
+                if self.generate_dir is None:
+                    # Compare to hash library
+                    if self.hash_library or compare.kwargs.get('hash_library', None):
+                        msg = self.compare_image_to_hash_library(item, fig, result_dir, summary=summary)
+
+                    # Compare against a baseline if specified
+                    else:
+                        msg = self.compare_image_to_baseline(item, fig, result_dir, summary=summary)
+
+                    close_mpl_figure(fig)
+
+                    if msg is None:
+                        if not self.results_always:
+                            shutil.rmtree(result_dir)
+                            for image_type in ['baseline_image', 'diff_image', 'result_image']:
+                                summary[image_type] = None  # image no longer exists
+                    else:
+                        self._test_results[test_name] = summary
+                        pytest.fail(msg, pytrace=False)
 
-            close_mpl_figure(fig)
+                close_mpl_figure(fig)
 
-            self._test_results[test_name] = summary
+                self._test_results[test_name] = summary
 
-            if summary['status'] == 'skipped':
-                pytest.skip(summary['status_msg'])
+                if summary['status'] == 'skipped':
+                    pytest.skip(summary['status_msg'])
+            except BaseException as e:
+                if hasattr(result, "force_exception"):  # pluggy>=1.2.0
+                    result.force_exception(e)
+                else:
+                    result._result = None
+                    result._excinfo = (type(e), e, e.__traceback__)
 
     def generate_summary_json(self):
         json_file = self.results_dir / 'results.json'

setup.cfg

@@ -55,11 +55,11 @@ filterwarnings =
     ignore:The NumPy module was reloaded
 
 [flake8]
-max-line-length = 100
-ignore = W504
+max-line-length = 120
+ignore = W503,W504
 
 [pycodestyle]
-max_line_length = 100
+max_line_length = 120
 
 [isort]
 balanced_wrapping = True