Merge pull request #775 from HiddenData/ticket-18899

Fixed #18899 -- FileSystemStorage.save should support any file-like objects

django/core/files/storage.py

@@ -37,13 +37,17 @@ class Storage(object):
 
     def save(self, name, content):
         """
-        Saves new content to the file specified by name. The content should be a
-        proper File object, ready to be read from the beginning.
+        Saves new content to the file specified by name. The content should be
+        a proper File object or any python file-like object, ready to be read
+        from the beginning.
         """
         # Get the proper name for the file, as it will actually be saved.
         if name is None:
             name = content.name
 
+        if not hasattr(content, 'chunks'):
+            content = File(content)
+
         name = self.get_available_name(name)
         name = self._save(name, content)
 

tests/modeltests/files/tests.py

@@ -2,6 +2,7 @@ from __future__ import absolute_import
 
 import gzip
 import shutil
+import StringIO
 import tempfile
 
 from django.core.cache import cache
@@ -102,6 +103,35 @@ class FileStorageTests(TestCase):
         obj4.random.save("random_file", ContentFile("random content"))
         self.assertTrue(obj4.random.name.endswith("/random_file"))
 
+    def test_file_object(self):
+        # Create sample file
+        temp_storage.save('tests/example.txt', ContentFile('some content'))
+
+        # Load it as python file object
+        file_obj = open(temp_storage.path('tests/example.txt'))
+
+        # Save it using storage and read its content
+        temp_storage.save('tests/file_obj', file_obj)
+        self.assertTrue(temp_storage.exists('tests/file_obj'))
+        self.assertEqual(
+            temp_storage.open('tests/file_obj').read(),
+            'some content')
+
+
+    def test_stringio(self):
+        # Test passing StringIO instance as content argument to save
+        output = StringIO.StringIO()
+        output.write('content')
+        output.seek(0)
+
+        # Save it and read written file
+        temp_storage.save('tests/stringio', output)
+        self.assertTrue(temp_storage.exists('tests/stringio'))
+        self.assertEqual(
+            temp_storage.open('tests/stringio').read(),
+            'content')
+
+
 
 class FileTests(unittest.TestCase):
     def test_context_manager(self):