Set response header before starting data sending to avoid overriding content type

1 files changed, 4 insertions, 5 deletions

diff --git a/restful_document/document.py b/restful_document/document.py
index 791c39d..786aa7d 100644
--- a/restful_document/document.py
+++ b/restful_document/document.py
@@ -103,6 +103,10 @@ class Document(ad.Document):
                     reply.append(name)
             return self.all_properties(reply)
         elif isinstance(self.metadata[prop], ad.BlobProperty):
+            stat = self.stat_blob(prop)
+            if stat and stat['size']:
+                env.responce['Content-Length'] = stat['size']
+            env.responce['Content-Type'] = self.metadata[prop].mime_type
             return self.send_blob(prop)
         else:
             return self[prop]
@@ -118,11 +122,6 @@ class Document(ad.Document):
         self.set_blob(prop, stream)
 
     def send_blob(self, prop):
-        stat = self.stat_blob(prop)
-        if stat and stat['size']:
-            env.responce['Content-Length'] = stat['size']
-        env.responce['Content-Type'] = self.metadata[prop].mime_type
-
         stream = self.get_blob(prop)
         while True:
             chunk = stream.read(_PAGE_SIZE)