Do not fail on broken symlink

kittengroomer/helpers.py

@@ -37,6 +37,10 @@ class FileBase(object):
         self.log_string = ''
         a, self.extension = os.path.splitext(self.src_path)
 
+        if os.path.islink(self.src_path):
+            # magic will throw an IOError on a broken symlink
+            self.mimetype = 'inode/symlink'
+        else:
             mt = magic.from_file(self.src_path, mime=True)
             try:
                 self.mimetype = mt.decode("utf-8")