Merge pull request #7 from RKrahl/pillow

Document and enforce minimal version for Pillow
hydrargyrum · Sep 5, 2023 · 7234c3d · 7234c3d
2 parents cd17083 + 50d7455
commit 7234c3d
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Showing 3 changed files with 5 additions and 2 deletions.
diff --git a/README.rst b/README.rst
@@ -101,7 +101,7 @@ Backends are divided in 2 types:
 
 Vignette currently has thumbnail/metadata backends supporting:
 
-* Python Imaging Library (PIL)
+* Python Imaging Library (PIL), e.g. `Pillow <https://python-pillow.org/>`_ >= 6.0
 * PyQt
 * PythonMagick
 

diff --git a/pyproject.toml b/pyproject.toml
@@ -45,7 +45,7 @@ email = "dev@indigo.re"
 
 [project.optional-dependencies]
 pillow = [
-    "Pillow",
+    "Pillow>=6.0",
 ]
 pythonmagick = [
     "PythonMagick",

diff --git a/vignette/__init__.py b/vignette/__init__.py
@@ -554,8 +554,11 @@ def is_available(cls):
 		try:
 			import PIL.Image
 			import PIL.PngImagePlugin
+			import PIL.ImageOps
 		except ImportError:
 			return False
+		if not hasattr(PIL.ImageOps, 'exif_transpose'):
+			return False
 
 		cls.mod = PIL.Image
 		cls.png = PIL.PngImagePlugin