Sync mtime with updated time

gcloud/storage/key.py

@@ -17,6 +17,8 @@
 import copy
 import mimetypes
 import os
+import time
+import datetime
 from StringIO import StringIO
 import urllib
 
@@ -254,6 +256,13 @@ def download_to_filename(self, filename):
         with open(filename, 'wb') as file_obj:
             self.download_to_file(file_obj)
 
+        mtime = time.mktime(
+            datetime.datetime.strptime(
+                self.properties['updated'],
+                '%Y-%m-%dT%H:%M:%S.%fz').timetuple()
+        )
+        os.utime(file_obj.name, (mtime, mtime))
+
     # NOTE: Alias for boto-like API.
     get_contents_to_filename = download_to_filename
 

gcloud/storage/test_key.py

@@ -215,6 +215,9 @@ def test_download_to_file(self):
 
     def test_download_to_filename(self):
         import httplib
+        import os
+        import time
+        import datetime
         from tempfile import NamedTemporaryFile
         KEY = 'key'
         chunk1_response = {'status': httplib.PARTIAL_CONTENT,
@@ -227,15 +230,23 @@ def test_download_to_filename(self):
         )
         bucket = _Bucket(connection)
         MEDIA_LINK = 'http://example.com/media/'
-        properties = {'mediaLink': MEDIA_LINK}
+        properties = {'mediaLink': MEDIA_LINK,
+                      'updated': '2014-12-06T13:13:50.690Z'}
         key = self._makeOne(bucket, KEY, properties)
         key.CHUNK_SIZE = 3
         with NamedTemporaryFile() as f:
             key.download_to_filename(f.name)
             f.flush()
             with open(f.name) as g:
                 wrote = g.read()
+                mtime = os.path.getmtime(f.name)
+                updatedTime = time.mktime(
+                    datetime.datetime.strptime(
+                        key.properties['updated'],
+                        '%Y-%m-%dT%H:%M:%S.%fz').timetuple()
+                )
         self.assertEqual(wrote, 'abcdef')
+        self.assertEqual(mtime, updatedTime)
 
     def test_download_as_string(self):
         import httplib