From 129c8b736dce8ad9a7364cf4c32fd8a8ebd5ffcb Mon Sep 17 00:00:00 2001
From: Matthias Vogelgesang <matthias.vogelgesang@gmail.com>
Date: Tue, 30 Jul 2013 17:32:13 +0200
Subject: [PATCH] Preserve EXIF tags when resizing

---
 sigal/image.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sigal/image.py b/sigal/image.py
index 94a98f4..bba8634 100644
--- a/sigal/image.py
+++ b/sigal/image.py
@@ -43,6 +43,15 @@ def generate_image(source, outname, size, format, options=None,
     img = PILImage.open(source)
     original_format = img.format
 
+    # Preserve EXIF data
+    if hasattr(img, 'info') and 'exif' in img.info:
+        raw_exif = img.info['exif']
+
+        if options:
+            options['exif'] = raw_exif
+        else:
+            options = {'exif': raw_exif}
+
     # Rotate the img, and catch IOError when PIL fails to read EXIF
     try:
         img = Transpose().process(img)