added aws/lambda sample

aws/lambda/example_handler/__init__.py

@@ -0,0 +1,27 @@
+import ifcopenshell
+import ifcopenshell.util.element
+import boto3
+
+s3 = boto3.resource('s3')
+
+def handler(event, context):
+    print("Hello from lambda")
+    print("Event: {}".format(event))
+    print("Context: {}".format(context))
+
+    filename = event['body']['filename']
+    
+    s3.Bucket('my_ifc_files').download_file(filename, f'/tmp/{filename}')
+    ifc_file = ifcopenshell.open(f'/tmp/{filename}')
+    walls = ifc_file.by_type('IfcWall')
+    
+    psets = []
+    for wall in walls:
+        wall_data = ifcopenshell.util.element.get_psets(wall)
+        wall_data['id'] = wall.GlobalId
+        psets.append(wall_data)
+
+    return {
+        'statusCode': 200,
+        'body': psets
+    }