mgmt: allow functions to return None if no data is to be returned

Don't force `return ''` everywhere. QubesOS/qubes-issues#2622
2017-03-17 12:49:28 +01:00 · 2017-03-17 12:49:28 +01:00 · 2c115bb648
commit 2c115bb648
parent 6924ec3b85
1 changed files with 2 additions and 1 deletions
--- a/qubes/tools/qubesd.py
+++ b/qubes/tools/qubesd.py
@ -117,7 +117,8 @@ class QubesDaemonProtocol(asyncio.Protocol):

    def send_response(self, content):
        self.send_header(0x30)
-        self.transport.write(content.encode('utf-8'))
+        if content is not None:
+            self.transport.write(content.encode('utf-8'))

    def send_event(self, subject, event, **kwargs):
        self.send_header(0x31)