[libcloud] 06/08: Bail early if pricing data hasn't changed.

[to...@apache.org]

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tomaz pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/libcloud.git

commit 75887e8b5c885dc5f1b9b8d9a90ac6ee56aa7a89
Author: Tomaz Muraus <to...@tomaz.me>
AuthorDate: Sat Jul 11 17:12:04 2020 +0200

    Bail early if pricing data hasn't changed.
---
 contrib/scrape-ec2-prices.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/contrib/scrape-ec2-prices.py b/contrib/scrape-ec2-prices.py
index 51ca346..554f745 100755
--- a/contrib/scrape-ec2-prices.py
+++ b/contrib/scrape-ec2-prices.py
@@ -20,6 +20,7 @@
 import os
 import re
 import json
+import copy
 import time
 from collections import defaultdict, OrderedDict
 
@@ -233,9 +234,17 @@ def update_pricing_file(pricing_file_path, pricing_data):
         content = fp.read()
 
     data = json.loads(content)
-    data['updated'] = int(time.time())
+    original_data = copy.deepcopy(data)
+
     data['compute'].update(pricing_data)
 
+    if data == original_data:
+        # Nothing has changed, bail out early and don't update "updated" attribute
+        print("Nothing has changed, skipping update.")
+        return
+
+    data['updated'] = int(time.time())
+
     # Always sort the pricing info
     data = sort_nested_dict(data)