Fixed #10497 -- Added a few time-related methods to the storage API. Thanks for the report and patch to Stephan Jaekel.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14012 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/files/storage.py

@@ -2,6 +2,7 @@ import os
 import errno
 import urlparse
 import itertools
+from datetime import datetime
 
 from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured, SuspiciousOperation
@@ -120,6 +121,27 @@ class Storage(object):
         """
         raise NotImplementedError()
 
+    def accessed_time(self, name):
+        """
+        Returns the last accessed time (as datetime object) of the file
+        specified by name.
+        """
+        raise NotImplementedError()
+
+    def created_time(self, name):
+        """
+        Returns the creation time (as datetime object) of the file
+        specified by name.
+        """
+        raise NotImplementedError()
+
+    def modified_time(self, name):
+        """
+        Returns the last modified time (as datetime object) of the file
+        specified by name.
+        """
+        raise NotImplementedError()
+
 class FileSystemStorage(Storage):
     """
     Standard filesystem storage
@@ -220,6 +242,15 @@ class FileSystemStorage(Storage):
             raise ValueError("This file is not accessible via a URL.")
         return urlparse.urljoin(self.base_url, name).replace('\\', '/')
 
+    def accessed_time(self, name):
+        return datetime.fromtimestamp(os.path.getatime(self.path(name)))
+
+    def created_time(self, name):
+        return datetime.fromtimestamp(os.path.getctime(self.path(name)))
+
+    def modified_time(self, name):
+        return datetime.fromtimestamp(os.path.getmtime(self.path(name)))
+
 def get_storage_class(import_path=None):
     if import_path is None:
         import_path = settings.DEFAULT_FILE_STORAGE