Make sure an image exists before trying to transform it

2015-06-09 20:23:40 -04:00
parent 0d6438d01a
commit 632656b8ce
1 changed files with 6 additions and 0 deletions
--- a/mayan/apps/converter/classes.py
+++ b/mayan/apps/converter/classes.py
@@ -165,9 +165,15 @@ class ConverterBase(object):
                pass

    def transform(self, transformation):
+        if not self.image:
+            self.seek(0)
+
        self.image = transformation.execute_on(self.image)

    def transform_many(self, transformations):
+        if not self.image:
+            self.seek(0)
+
        for transformation in transformations:
            self.image = transformation.execute_on(self.image)