May 18, 2025 · May 18, 2025 · May 18, 2025 · May 18, 2025 · May 19, 2025
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
            ~/.cache/matplotlib
            !~/.cache/matplotlib/tex.cache
            !~/.cache/matplotlib/test_cache
          key:6-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-${{ github.ref }}-${{ github.sha }}
          key:7-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-${{ github.ref }}-${{ github.sha }}
          restore-keys: |
 6-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-${{ github.ref }}-
 6-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-
 7-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-${{ github.ref }}-
 7-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-

      - name: Install Python dependencies
        run: |
diff --git a/lib/matplotlib/testing/compare.py b/lib/matplotlib/testing/compare.py

 import numpy as np
 from PIL import Image
 import packaging.version

 import matplotlib as mpl
 from matplotlib import cbook

    if Path(path).suffix == '.pdf':
        sha256.update(str(mpl._get_executable_info("gs").version).encode('utf-8'))
        sha256.update(b"antialiasing")  # invalidate old cache entries
    elif Path(path).suffix == '.svg':
        sha256.update(str(mpl._get_executable_info("inkscape").version).encode('utf-8'))

 class _GSConverter(_Converter):
    def __call__(self, orig, dest):
        if not self._proc:
            if mpl._get_executable_info("gs").version < packaging.version.parse("9.57"):
                antialias = [
                    "-sDEVICE=png16m",
                    "-r150",
                    "-dGraphicsAlphaBits=4",
                    "-dTextAlphaBits=4",
                ]
            else:
                antialias = ["-sDEVICE=png16malpha", "-r600", "-dDownScaleFactor=4"]
            self._proc = subprocess.Popen(
                [mpl._get_executable_info("gs").executable,
                 "-dNOSAFER", "-dNOPAUSE", "-dEPSCrop", "-sDEVICE=png16m"],
                 "-dNOSAFER",
                 "-dNOPAUSE",
                 "-dEPSCrop",
                 *antialias],
                # As far as I can see, ghostscript never outputs to stderr.
                stdin=subprocess.PIPE, stdout=subprocess.PIPE)
            try:
diff --git a/lib/matplotlib/tests/baseline_images/test_axes/canonical.pdf b/lib/matplotlib/tests/baseline_images/test_axes/canonical.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_axes/nonfinite_limits.pdf b/lib/matplotlib/tests/baseline_images/test_axes/nonfinite_limits.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_axes/single_point.pdf b/lib/matplotlib/tests/baseline_images/test_axes/single_point.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_axes/symlog.pdf b/lib/matplotlib/tests/baseline_images/test_axes/symlog.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_axes/symlog2.pdf b/lib/matplotlib/tests/baseline_images/test_axes/symlog2.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_axes/test_alpha.pdf b/lib/matplotlib/tests/baseline_images/test_axes/test_alpha.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_backend_pdf/truetype-conversion.pdf b/lib/matplotlib/tests/baseline_images/test_backend_pdf/truetype-conversion.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_bbox_tight/bbox_inches_tight_suptile_legend.pdf b/lib/matplotlib/tests/baseline_images/test_bbox_tight/bbox_inches_tight_suptile_legend.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_image/image_clip.pdf b/lib/matplotlib/tests/baseline_images/test_image/image_clip.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_image/image_cliprect.pdf b/lib/matplotlib/tests/baseline_images/test_image/image_cliprect.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_image/imshow_masked_interpolation.pdf b/lib/matplotlib/tests/baseline_images/test_image/imshow_masked_interpolation.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_image/interp_nearest_vs_none.pdf b/lib/matplotlib/tests/baseline_images/test_image/interp_nearest_vs_none.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_lines/line_collection_dashes.pdf b/lib/matplotlib/tests/baseline_images/test_lines/line_collection_dashes.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_lines/scaled_lines.pdf b/lib/matplotlib/tests/baseline_images/test_lines/scaled_lines.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_00.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_00.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_01.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_01.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_02.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_02.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_03.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_03.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_04.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_04.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_05.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_05.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_06.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_06.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_07.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_cm_07.pdf
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diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_73.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_73.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_74.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_74.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_75.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_75.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_76.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_76.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_78.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_78.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_79.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_79.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_80.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_80.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_81.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_81.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_82.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_dejavuserif_82.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_00.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_00.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_01.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_01.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_02.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_02.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_03.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_03.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_04.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_04.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_05.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_05.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_06.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_06.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_07.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_07.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_08.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_08.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_09.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_09.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_10.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_10.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_11.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_11.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_12.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_12.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_13.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_13.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_14.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_14.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_15.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_15.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_16.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_16.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_17.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_17.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_18.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_18.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_19.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_19.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_20.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_20.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_21.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_21.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_23.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_23.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_24.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_24.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_25.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_25.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_26.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_26.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_27.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_27.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_28.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_28.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_29.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_29.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_31.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_31.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_32.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_32.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_33.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_33.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_35.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_35.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_36.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_36.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_37.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_37.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_38.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_38.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_39.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_39.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_40.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_40.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_41.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_41.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_42.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_42.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_43.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_43.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_44.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_44.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_45.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_45.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_46.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_46.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_47.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_47.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_48.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_48.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_49.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_49.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_50.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_50.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_51.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_51.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_52.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_52.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_53.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_53.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_54.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_54.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_55.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_55.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_56.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_56.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_57.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_57.pdf
diff --git a/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_58.pdf b/lib/matplotlib/tests/baseline_images/test_mathtext/mathtext_stix_58.pdf
Original file line number	Diff line number	Diff line change
Expand Up		@@ -206,10 +206,10 @@ jobs:
		~/.cache/matplotlib
		!~/.cache/matplotlib/tex.cache
		!~/.cache/matplotlib/test_cache
		key:6-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-${{ github.ref }}-${{ github.sha }}
		key:7-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-${{ github.ref }}-${{ github.sha }}
		restore-keys: \|
		6-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-${{ github.ref }}-
		6-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-
		7-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-${{ github.ref }}-
		7-${{ matrix.os }}-py${{ matrix.python-version }}-mpl-

		- name: Install Python dependencies
		run: \|
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -17,6 +17,7 @@

		import numpy as np
		from PIL import Image
		import packaging.version

		import matplotlib as mpl
		from matplotlib import cbook
Expand DownExpand Up		@@ -56,6 +57,7 @@ def get_file_hash(path, block_size=2 ** 20):

		if Path(path).suffix == '.pdf':
		sha256.update(str(mpl._get_executable_info("gs").version).encode('utf-8'))
		sha256.update(b"antialiasing") # invalidate old cache entries
		elif Path(path).suffix == '.svg':
		sha256.update(str(mpl._get_executable_info("inkscape").version).encode('utf-8'))

Expand DownExpand Up		@@ -110,9 +112,21 @@ def __call__(self, orig, dest):
		class _GSConverter(_Converter):
		def __call__(self, orig, dest):
		if not self._proc:
		if mpl._get_executable_info("gs").version < packaging.version.parse("9.57"):
		antialias = [
		"-sDEVICE=png16m",
		"-r150",
		"-dGraphicsAlphaBits=4",
		"-dTextAlphaBits=4",
		]
		else:
		antialias = ["-sDEVICE=png16malpha", "-r600", "-dDownScaleFactor=4"]
		self._proc = subprocess.Popen(
		[mpl._get_executable_info("gs").executable,
		"-dNOSAFER", "-dNOPAUSE", "-dEPSCrop", "-sDEVICE=png16m"],
		"-dNOSAFER",
		"-dNOPAUSE",
		"-dEPSCrop",
		*antialias],
		# As far as I can see, ghostscript never outputs to stderr.
		stdin=subprocess.PIPE, stdout=subprocess.PIPE)
		try:
Expand Down