adding photoflow.py

photoflow.py

@@ -0,0 +1,25 @@
+from __future__ import print_function
+import boto3
+import os
+import sys
+import uuid
+from PIL import Image
+import PIL.Image
+
+s3_client = boto3.client('s3')
+
+def resize_image(image_path, resized_path):
+    with Image.open(image_path) as image:
+        image.thumbnail(tuple(x / 2 for x in image.size))
+        image.save(resized_path)
+
+def handler(event, context):
+    for record in event['Records']:
+        bucket = record['s3']['bucket']['name']
+        key = record['s3']['object']['key']
+        download_path='/tmp/{}{}'.format(uuid.uuid4(), key)
+        upload_path='/tmp/resized-{}'.format(key)
+
+        s3_client.download_file(bucket, key, download_path)
+        resize_image(download_path, upload_path)
+        s3_client.upload_file(upload_path, '{}resized'.format(bucket), key)