def _upload_file(self,connection,bucket,localfile,bucketfile,ignoredates):
		s3key = bucket.get_key(bucketfile)
		if not s3key:
			s3key = Key(bucket)
			s3key.key = bucketfile
		s3date = s3key.get_metadata("date")
		if s3date: s3date = int(s3date)
		lcdate = int(os.path.getmtime(localfile))
		upload = False
		if not s3date: upload = True
		if s3date and lcdate > s3date: upload = True
		if ignoredates: upload = True
		if not upload: return ## don't upload, return
		if self.dryrun: print ("dry-run. %s : %s => %s" % (bucket.name,localfile,bucketfile))
		else: print ("%s : %s => %s" % (bucket.name,localfile,bucketfile))
		filetype = localfile.split(".")[-1]
		meta = self.get_metadata_for_filtetype(filetype)
		if meta:
			for metadata in meta:
				for key in metadata:
					print ("    => metdata: %s:%s" % (key,metadata[key]))
					if not self.dryrun:
						s3key.set_metadata(key,metadata[key])
		if not self.dryrun:
			s3key.set_metadata("date",str(int(time.time())))
			s3key.set_contents_from_filename(localfile)