diff options
Diffstat (limited to 'sugar/presence/Service.py')
| -rw-r--r-- | sugar/presence/Service.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sugar/presence/Service.py b/sugar/presence/Service.py index 4e1d72f..9219b80 100644 --- a/sugar/presence/Service.py +++ b/sugar/presence/Service.py @@ -42,6 +42,10 @@ def _txt_to_dict(txt): return prop_dict def compose_service_type(stype, activity_uid): + if not activity_uid: + return stype + if not stype or (type(stype) != type("") and type(stype) != type(u"")): + raise ValueError("stype must be a valid string.") return "_%s_%s" % (activity_uid, stype) def _decompose_service_type(stype): |