[azure] Add method to set ContentDisposition

storages/backends/azure_storage.py

@@ -239,10 +239,17 @@ def size(self, name):
             timeout=self.timeout).properties
         return properties.content_length
 
+    def content_disposition(self, name):
+        """
+        Override this method to adjust this on a per-object basis to set ContentDisposition.
+        """
+        return None
+
     def _save(self, name, content):
         cleaned_name = clean_name(name)
         name = self._get_valid_path(name)
         guessed_type, content_encoding = mimetypes.guess_type(name)
+        content_disposition = self.content_disposition(name)
         content_type = (
             _content_type(content) or
             guessed_type or
@@ -260,6 +267,7 @@ def _save(self, name, content):
             content_settings=ContentSettings(
                 content_type=content_type,
                 content_encoding=content_encoding,
+                content_disposition=content_disposition,
                 cache_control=self.cache_control),
             max_connections=self.upload_max_conn,
             timeout=self.timeout)

tests/test_azure.py

@@ -297,6 +297,7 @@ def test_storage_save(self):
             c_mocked.assert_called_once_with(
                 content_type='text/plain',
                 content_encoding=None,
+                content_disposition=None,
                 cache_control=None)
 
     def test_storage_open_write(self):