flask_iiif: addition of TIFF format default support

* NEW Adds TIFF image support to the default config.

Signed-off-by: Alexander Ioannidis <[email protected]>

AUTHORS

@@ -12,3 +12,4 @@ Contributors
 * Harris Tzovanakis <[email protected]>
 * Jiri Kuncar <[email protected]>
 * Tibor Simko <[email protected]>
+* Alexander Ioannidis <[email protected]>

flask_iiif/api.py

@@ -351,7 +351,7 @@ def save(self, path, image_format="jpeg", quality=90):
         """Store the image to the specific path.
 
         :param str path: absolute path
-        :param str image_format: (gif, jpeg, pdf, png)
+        :param str image_format: (gif, jpeg, pdf, png, tif)
         :param int quality: The image quality; [1, 100]
 
         .. note::
@@ -367,7 +367,7 @@ def save(self, path, image_format="jpeg", quality=90):
     def serve(self, image_format="png", quality=90):
         """Return a BytesIO object to easily serve it thought HTTTP.
 
-        :param str image_format: (gif, jpeg, pdf, png)
+        :param str image_format: (gif, jpeg, pdf, png, tif)
         :param int quality: The image quality; [1, 100]
 
         .. note::

flask_iiif/config.py

@@ -83,6 +83,7 @@
     'jpg': 'image/jpeg',
     'pdf': 'application/pdf',
     'png': 'image/png',
+    'tif': 'image/tiff',
 }
 
 # Regular expressions to validate each parameter
@@ -107,7 +108,7 @@
         },
         "image_format": {
             "ignore": "",
-            "validate": "(jpg|png|gif|jp2|jpeg|pdf)"
+            "validate": "(jpg|png|gif|jp2|jpeg|pdf|tif)"
         }
     },
     "v2": {
@@ -130,7 +131,7 @@
         },
         "image_format": {
             "ignore": "",
-            "validate": "(jpg|png|gif|jp2|jpeg|pdf)"
+            "validate": "(jpg|png|gif|jp2|jpeg|pdf|tif)"
         }
     }
 }

tests/test_multimedia_image_api.py

@@ -58,6 +58,13 @@ def setUp(self):
         tmp_file.seek(0)
         self.image_p_mode = MultimediaImage.from_string(tmp_file)
 
+        # TIFF Image
+        tmp_file = BytesIO()
+        image = Image.new("RGBA", (1280, 1024), (255, 0, 0, 0))
+        image.save(tmp_file, 'tiff')
+        tmp_file.seek(0)
+        self.image_tiff = MultimediaImage.from_string(tmp_file)
+
     def test_image_resize(self):
         """Test image resize function."""
         # Test image size before
@@ -184,3 +191,7 @@ def test_image_saving(self):
         self.assertEqual(tmp_file.getvalue(), compare_file.getvalue())
         self.image_save.save(tmp_file)
         self.assertNotEqual(str(tmp_file.getvalue()), compare_file.getvalue())
+
+    def test_image_tiff_support(self):
+        """Test TIFF image support."""
+        self.assertEqual(self.image_tiff.image.format, 'TIFF')