added a fallback for rendering the website locally, where /var/www/stream does not exist

stream/stream.py

@@ -2,14 +2,23 @@
 # -*- coding: utf-8 -*- #
 
 from pelican import signals
-from os import listdir
+from os import listdir, path
-from os.path import isfile, join
+import time
-# import os
+from datetime import datetime
+
+def getCreationTime(img):
+	creationtime = time.ctime(path.getctime(img))
+	date = datetime(creationtime).strftime('%y%m%d')
+	print('creationtime', date)
+	return date
 
 def getStream(generator):
 	for page in generator.pages:
 		dir = "/var/www/stream"
-		images = [f for f in listdir(dir) if isfile(join(dir, f))]
+		if path.exists(dir): 
+			images = [(getCreationTime(dir+'/'+f), f) for f in listdir(dir) if path.isfile(path.join(dir, f))]
+		else: # if the website is generated locally
+			images = ['placeholder.png']
 		print('>>> The stream is streaming!', images)
 		page.stream = images