add get_modified_time for sftp storage

CHANGELOG.rst

@@ -19,13 +19,19 @@ Azure
 - Add ``mode`` kwarg to ``.url()`` to support creation of signed URLs for upload (`#1414`_)
 - Fix fetching user delegation key when custom domain is enabled (`#1418`_)
 
+SFTP
+----
+
+- Add implementations of ``get_(modified|accessed)_time`` (`#1347`_)
+
 .. _#1399: https://github.com/jschneier/django-storages/pull/1399
 .. _#1381: https://github.com/jschneier/django-storages/pull/1381
 .. _#1402: https://github.com/jschneier/django-storages/pull/1402
 .. _#1403: https://github.com/jschneier/django-storages/pull/1403
 .. _#1414: https://github.com/jschneier/django-storages/pull/1414
 .. _#1417: https://github.com/jschneier/django-storages/pull/1417
 .. _#1418: https://github.com/jschneier/django-storages/pull/1418
+.. _#1347: https://github.com/jschneier/django-storages/pull/1347
 
 
 1.14.3 (2024-05-04)

storages/backends/sftpstorage.py

@@ -9,10 +9,12 @@
 import os
 import posixpath
 import stat
+from datetime import datetime
 from urllib.parse import urljoin
 
 import paramiko
 from django.core.files.base import File
+from django.utils import timezone
 from django.utils.deconstruct import deconstructible
 from paramiko.util import ClosingContextManager
 
@@ -190,6 +192,18 @@ def size(self, name):
         remote_path = self._remote_path(name)
         return self.sftp.stat(remote_path).st_size
 
+    def get_accessed_time(self, name):
+        remote_path = self._remote_path(name)
+        utime = self.sftp.stat(remote_path).st_atime
+        ts = datetime.fromtimestamp(utime)
+        return timezone.make_aware(ts) if setting("USE_TZ") else ts
+
+    def get_modified_time(self, name):
+        remote_path = self._remote_path(name)
+        utime = self.sftp.stat(remote_path).st_mtime
+        ts = datetime.fromtimestamp(utime)
+        return timezone.make_aware(ts) if setting("USE_TZ") else ts
+
     def url(self, name):
         if self._base_url is None:
             raise ValueError("This file is not accessible via a URL.")