Fix test suite for Matplotlib 3.7.

Author: anntzer

examples/circle_markers.py

@@ -29,7 +29,8 @@ def generate(X, Y, phi):
 for i, phi in enumerate(np.linspace(0, 180. / np.pi, 100)):
     if not Gcf.get_num_fig_managers():
         break
-    ax.lines.clear()
+    for line in [*ax.lines]:
+        line.remove()
     Z = generate(X, Y, phi)
     ax.plot(X.flat, Z.flat, "ok")
     plt.pause(.001)

examples/square_markers.py

@@ -29,7 +29,8 @@ def generate(X, Y, phi):
 for i, phi in enumerate(np.linspace(0, 180. / np.pi, 100)):
     if not Gcf.get_num_fig_managers():
         break
-    ax.lines.clear()
+    for line in [*ax.lines]:
+        line.remove()
     Z = generate(X, Y, phi)
     ax.plot(X.flat, Z.flat, "sk")
     plt.pause(.001)

run-mpl-test-suite.py

@@ -157,6 +157,8 @@ def pytest_collection_modifyitems(session, config, items):
                 "test_backend_pdf.py::test_savefig_metadata",
                 # cairo doesn't emit HiResBoundingBox.
                 "test_backend_ps.py::test_bbox",
+                # Different tight bbox.
+                "test_backend_ps.py::test_colorbar_shift[",
                 # cairo doesn't support setting fonttype.
                 "test_backend_ps.py::test_fonttype[",
                 # We're fine with partial usetex.
@@ -174,6 +176,7 @@ def pytest_collection_modifyitems(session, config, items):
                 # skips emitting clips that don't intersect paths).
                 "test_backend_svg.py::test_count_bitmaps",
                 # cairo doesn't support custom gids or metadata.
+                "test_backend_svg.py::test_annotationbbox_gid",
                 "test_backend_svg.py::test_gid",
                 "test_backend_svg.py::test_svg_clear_all_metadata",
                 "test_backend_svg.py::test_svg_clear_default_metadata",
@@ -195,6 +198,8 @@ def pytest_collection_modifyitems(session, config, items):
                 # cairo uses a different representation for ps images (but
                 # compositing is correct, see e.g. SVG output).
                 "test_image.py::test_composite[",
+                # Different legend positioning.
+                "test_legend.py::test_figure_legend_outside",
                 # Different tight bbox.
                 "test_polar.py::test_get_tightbbox_polar",
                 # cairo does not have an explicit rendering complexity limit.

tools/ensure-mpl-test-data.py

@@ -2,13 +2,13 @@
 
 # Ensure that the current Matplotlib install includes test data.
 
+import importlib
 from pathlib import Path
 import shutil
 from tempfile import TemporaryDirectory
 import urllib.request
 
 import matplotlib as mpl
-import mpl_toolkits
 
 
 try:
@@ -22,12 +22,13 @@
              Path(tmpdir, "matplotlib.tar.gz").open("wb") as file:
             file.write(request.read())
         shutil.unpack_archive(file.name, tmpdir)
-        for pkg in [mpl, mpl_toolkits]:
-            shutil.rmtree(
-                Path(list(pkg.__path__)[0], "tests"), ignore_errors=True)
-            shutil.move(
-                str(Path(tmpdir, f"matplotlib-{mpl.__version__}",
-                         "lib", pkg.__name__, "tests")),  # bpo#32689 (Py<3.9).
-                list(pkg.__path__)[0])
+        libdir = Path(tmpdir, f"matplotlib-{mpl.__version__}", "lib")
+        for testdir in libdir.glob("**/tests"):
+            pkgdir = testdir.relative_to(libdir).parent  # Drop "tests".
+            pkgpath = list(
+                importlib.import_module(pkgdir.as_posix().replace("/", "."))
+                .__path__)[0]
+            shutil.rmtree(Path(pkgpath, "tests"), ignore_errors=True)
+            shutil.move(str(testdir), pkgpath)  # bpo#32689 (Py<3.9).
 else:
     print("Matplotlib test data already present.")