gsutil cp hyp evolution bug fix (#876)

utils/google_utils.py

@@ -4,12 +4,19 @@
 
 import os
 import platform
+import subprocess
 import time
 from pathlib import Path
 
 import torch
 
 
+def gsutil_getsize(url=''):
+    # gs://bucket/file size https://cloud.google.com/storage/docs/gsutil/commands/du
+    s = subprocess.check_output('gsutil du %s' % url, shell=True).decode('utf-8')
+    return eval(s.split(' ')[0]) if len(s) else 0  # bytes
+
+
 def attempt_download(weights):
     # Attempt to download pretrained weights if not found locally
     weights = weights.strip().replace("'", '')