Merge branch 'main' into add-cygwin-to-ci

Tests/test_file_ppm.py

@@ -145,6 +145,19 @@ def test_truncated_file(tmp_path):
             im.load()
 
 
+@pytest.mark.parametrize("maxval", (0, 65536))
+def test_invalid_maxval(maxval, tmp_path):
+    path = str(tmp_path / "temp.ppm")
+    with open(path, "w") as f:
+        f.write("P6\n3 1 " + str(maxval))
+
+    with pytest.raises(ValueError) as e:
+        with Image.open(path):
+            pass
+
+    assert str(e.value) == "maxval must be greater than 0 and less than 65536"
+
+
 def test_neg_ppm():
     # Storage.c accepted negative values for xsize, ysize.  the
     # internal open_ppm function didn't check for sanity but it

Tests/test_file_tiff.py

@@ -92,17 +92,33 @@ class TestFileTiff:
             assert_image_equal_tofile(im, "Tests/images/hopper.tif")
 
     @pytest.mark.parametrize(
-        "file_name,mode,size,offset",
+        "file_name,mode,size,tile",
         [
-            ("tiff_wrong_bits_per_sample.tiff", "RGBA", (52, 53), 160),
+            (
-            ("tiff_wrong_bits_per_sample_2.tiff", "RGB", (16, 16), 8),
+                "tiff_wrong_bits_per_sample.tiff",
+                "RGBA",
+                (52, 53),
+                [("raw", (0, 0, 52, 53), 160, ("RGBA", 0, 1))],
+            ),
+            (
+                "tiff_wrong_bits_per_sample_2.tiff",
+                "RGB",
+                (16, 16),
+                [("raw", (0, 0, 16, 16), 8, ("RGB", 0, 1))],
+            ),
+            (
+                "tiff_wrong_bits_per_sample_3.tiff",
+                "RGBA",
+                (512, 256),
+                [("libtiff", (0, 0, 512, 256), 0, ("RGBA", "tiff_lzw", False, 48782))],
+            ),
         ],
     )
-    def test_wrong_bits_per_sample(self, file_name, mode, size, offset):
+    def test_wrong_bits_per_sample(self, file_name, mode, size, tile):
         with Image.open("Tests/images/" + file_name) as im:
             assert im.mode == mode
             assert im.size == size
-            assert im.tile == [("raw", (0, 0) + size, offset, (mode, 0, 1))]
+            assert im.tile == tile
             im.load()
 
     def test_set_legacy_api(self):

Tests/test_imagefile.py

@@ -2,7 +2,15 @@ from io import BytesIO
 
 import pytest
 
-from PIL import BmpImagePlugin, EpsImagePlugin, Image, ImageFile, _binary, features
+from PIL import (
+    BmpImagePlugin,
+    EpsImagePlugin,
+    Image,
+    ImageFile,
+    UnidentifiedImageError,
+    _binary,
+    features,
+)
 
 from .helper import (
     assert_image,
@@ -377,3 +385,7 @@ class TestPyEncoder(CodecsTest):
 
         with pytest.raises(NotImplementedError):
             encoder.encode_to_file(None, None)
+
+    def test_zero_height(self):
+        with pytest.raises(UnidentifiedImageError):
+            Image.open("Tests/images/zero_height.j2k")

Tests/test_imagetk.py

@@ -26,6 +26,8 @@ def setup_module():
         # setup tk
         tk.Frame()
         # root = tk.Tk()
+    except RuntimeError as v:
+        pytest.skip(f"RuntimeError: {v}")
     except tk.TclError as v:
         pytest.skip(f"TCL Error: {v}")
 

setup.py

@@ -250,15 +250,21 @@ def _cmd_exists(cmd):
 
 
 def _pkg_config(name):
-    try:
     command = os.environ.get("PKG_CONFIG", "pkg-config")
+    for keep_system in (True, False):
+        try:
             command_libs = [command, "--libs-only-L", name]
             command_cflags = [command, "--cflags-only-I", name]
+            stderr = None
+            if keep_system:
+                command_libs.append("--keep-system-libs")
+                command_cflags.append("--keep-system-cflags")
+                stderr = subprocess.DEVNULL
             if not DEBUG:
                 command_libs.append("--silence-errors")
                 command_cflags.append("--silence-errors")
             libs = (
-            subprocess.check_output(command_libs)
+                subprocess.check_output(command_libs, stderr=stderr)
                 .decode("utf8")
                 .strip()
                 .replace("-L", "")

src/PIL/ImageFile.py

@@ -123,7 +123,7 @@ class ImageFile(Image.Image):
             ) as v:
                 raise SyntaxError(v) from v
 
-            if not self.mode or self.size[0] <= 0:
+            if not self.mode or self.size[0] <= 0 or self.size[1] <= 0:
                 raise SyntaxError("not identified by this driver")
         except BaseException:
             # close the file only if we have opened it this constructor

src/PIL/PpmImagePlugin.py

@@ -116,6 +116,10 @@ class PpmImageFile(ImageFile.ImageFile):
                     break
             elif ix == 2:  # token is maxval
                 maxval = token
+                if not 0 < maxval < 65536:
+                    raise ValueError(
+                        "maxval must be greater than 0 and less than 65536"
+                    )
                 if maxval > 255 and mode == "L":
                     self.mode = "I"
 

src/PIL/TiffImagePlugin.py

@@ -1355,19 +1355,19 @@ class TiffImageFile(ImageFile.ImageFile):
             bps_count = 1
         bps_count += len(extra_tuple)
         bps_actual_count = len(bps_tuple)
-        if bps_count < bps_actual_count:
-            # If a file has more values in bps_tuple than expected,
-            # remove the excess.
-            bps_tuple = bps_tuple[:bps_count]
-        elif bps_count > bps_actual_count and bps_actual_count == 1:
-            # If a file has only one value in bps_tuple, when it should have more,
-            # presume it is the same number of bits for all of the samples.
-            bps_tuple = bps_tuple * bps_count
-
         samples_per_pixel = self.tag_v2.get(
             SAMPLESPERPIXEL,
             3 if self._compression == "tiff_jpeg" and photo in (2, 6) else 1,
         )
+        if samples_per_pixel < bps_actual_count:
+            # If a file has more values in bps_tuple than expected,
+            # remove the excess.
+            bps_tuple = bps_tuple[:samples_per_pixel]
+        elif samples_per_pixel > bps_actual_count and bps_actual_count == 1:
+            # If a file has only one value in bps_tuple, when it should have more,
+            # presume it is the same number of bits for all of the samples.
+            bps_tuple = bps_tuple * samples_per_pixel
+
         if len(bps_tuple) != samples_per_pixel:
             raise SyntaxError("unknown data organization")
 

winbuild/build_prepare.py

@@ -186,9 +186,9 @@ deps = {
         "libs": [r"libpng16.lib"],
     },
     "freetype": {
-        "url": "https://download.savannah.gnu.org/releases/freetype/freetype-2.12.0.tar.gz",  # noqa: E501
+        "url": "https://download.savannah.gnu.org/releases/freetype/freetype-2.12.1.tar.gz",  # noqa: E501
-        "filename": "freetype-2.12.0.tar.gz",
+        "filename": "freetype-2.12.1.tar.gz",
-        "dir": "freetype-2.12.0",
+        "dir": "freetype-2.12.1",
         "patch": {
             r"builds\windows\vc2010\freetype.vcxproj": {
                 # freetype setting is /MD for .dll and /MT for .lib, we need /MD