Add test files and require Pillow 6.0

Author: saimn

setup.cfg

@@ -32,7 +32,7 @@ install_requires =
     click
     Jinja2
     Markdown
-    Pillow>=4.0.0
+    Pillow>=6.0.0
     pilkit
     natsort
 

sigal/image.py

@@ -41,15 +41,10 @@
 from PIL import Image as PILImage
 from PIL import ImageFile, ImageOps, IptcImagePlugin
 from PIL.ExifTags import GPSTAGS, TAGS
+from PIL.Image import Exif
 from pilkit.processors import Transpose
 from pilkit.utils import save_image
 
-try:
-    # Pillow 6.0 added a class allowing to write Exif data
-    from PIL.Image import Exif
-except ImportError:
-    Exif = None
-
 from . import signals, utils
 from .settings import Status
 
@@ -78,7 +73,7 @@ def _read_image(file_path):
         im = PILImage.open(file_path)
 
     for w in caught_warnings:
-        logger.warning(
+        logger.info(
             f'PILImage reported a warning for file {file_path}\n'
             f'{w.category}: {w.message}'
         )
@@ -125,15 +120,8 @@ def generate_image(source, outname, settings, options=None):
             pass
         else:
             if copy_exif and 'exif' in options:
-                if Exif is not None:
-                    # reset the orientation flag
-                    options['exif'][0x0112] = 1
-                else:
-                    logger.warning(
-                        "'autorotate_images' and 'copy_exif_data' settings "
-                        "are not compatible when using Pillow < 6.0, because "
-                        "Sigal can't save the modified Orientation tag."
-                    )
+                # reset the orientation flag
+                options['exif'][0x0112] = 1
 
     # Resize the image
     if settings['img_processor']:

tests/sample/pictures/exifTest/lamas.jpg

@@ -5,6 +5,7 @@
 keep_orig = True
 thumb_video_delay = 5
 # img_format = 'jpeg'
+copy_exif_data = True
 
 links = [
     ("Example link", "http://example.org"),

tests/sample/sigal.conf.py

@@ -21,7 +21,7 @@ def test_save_cache(settings, tmpdir):
 
     assert cache["exifTest/21.jpg"] == gal.albums["exifTest"].medias[0].exif
     assert cache["exifTest/22.jpg"] == gal.albums["exifTest"].medias[1].exif
-    assert cache["exifTest/noexif.png"] == gal.albums["exifTest"].medias[2].exif
+    assert cache["exifTest/noexif.png"] is None
 
 
 def test_restore_cache(settings, tmpdir):