* S3/S3.py: Re-upload when Amazon doesn't send ETag

  in PUT response. It happens from time to time for
  unknown reasons. Thanks "Burtc" for report and
  "hermzz" for fix. Fixes #1990387



git-svn-id: https://s3tools.svn.sourceforge.net/svnroot/s3tools/s3cmd/trunk@204 830e0280-6d2a-0410-9c65-932aecc39d9d

ChangeLog

@@ -1,3 +1,10 @@
+2008-06-30  Michal Ludvig  <michal@logix.cz>
+
+	* S3/S3.py: Re-upload when Amazon doesn't send ETag
+	  in PUT response. It happens from time to time for
+	  unknown reasons. Thanks "Burtc" for report and
+	  "hermzz" for fix.
+
 2008-06-27  Michal Ludvig  <michal@logix.cz>
 
 	* Released version 0.9.8.1

S3/S3.py

@@ -381,6 +381,11 @@ def send_file(self, request, file, throttle = 0, retries = 3):
 			info("Redirected to: %s" % (redir_hostname))
 			return self.send_file(request, file)
 
+		# S3 from time to time doesn't send ETag back in a response :-(
+		# Force re-upload here.
+		if not response['headers'].has_key('etag'):
+			response['headers']['etag'] = '' 
+
 		debug("MD5 sums: computed=%s, received=%s" % (md5_computed, response["headers"]["etag"]))
 		if response["headers"]["etag"].strip('"\'') != md5_hash.hexdigest():
 			warning("MD5 Sums don't match!")