Preliminary implementation of PIL for images.

PIL (Python Image Library) is used to open, then save
images, in order to remove unknown metadata.

1 files changed, 27 insertions, 0 deletions

diff --git a/libmat/pillow.py b/libmat/pillow.py
new file mode 100644
index 0000000..556d58a
--- /dev/null
+++ b/libmat/pillow.py
@@ -0,0 +1,27 @@
+''' Care about images with help of PIL.
+This class doesn't remove metadata in the "conventional way";
+it opens, then saves the image. This should remove unknown metadata.
+'''
+
+# FIXME Implement this with a decorator instead
+
+import parser
+
+
+class PillowStripper(object):
+    ''' This class implements a single method, "open_and_save".
+        It's a class instead of a function so it can be inherited.
+    '''
+    def open_and_save(self):
+        ''' Open and save the image with PIL.
+        This should remove a lot of unknown metadata.
+        '''
+        try:
+            from PIL import Image
+        except ImportError:
+            logging.error('Unable to import PIL, image support degraded. Be careful.')
+
+        try:
+            Image.open(self.filename).save(self.filename)
+        except IOError:
+            logging.error('Can not save %s.' % self.filename)