Repo created

tools/unix/diff_size.py

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+#!/usr/bin/env python3
+import os, sys
+
+if len(sys.argv) < 3:
+  print('This tool shows very different file sizes')
+  print('Usage: {0} <newdir> <olddir> [threshold_in_%]'.format(sys.argv[0]))
+  sys.exit(0)
+
+new_path = sys.argv[1]
+old_path = sys.argv[2]
+threshold = (int(sys.argv[3]) if len(sys.argv) > 3 else 10) / 100.0 + 1
+min_diff = 1024 * 1024
+
+for f in sorted(os.listdir(old_path)):
+  new_file = os.path.join(new_path, f)
+  old_file = os.path.join(old_path, f)
+  if '.mwm' not in new_file:
+    continue
+  if os.path.isfile(new_file) and os.path.isfile(old_file):
+    new_size = os.path.getsize(new_file)
+    old_size = os.path.getsize(old_file)
+    if new_size + old_size > 0:
+      if new_size == 0 or old_size == 0 or max(new_size, old_size) / float(min(new_size, old_size)) > threshold and abs(new_size - old_size) > min_diff:
+        print('{0}: {1} {2} to {3} MB'.format(f, old_size / 1024 / 1024, 'up' if new_size > old_size else 'down', new_size / 1024 / 1024))
+  else:
+    print('Not found a mirror for {0}'.format(f))