Added error handling to lxmf.delivery announce handler. Fixes #30. Hopefully.

nomadnet/Directory.py

@@ -34,16 +34,21 @@ class Directory:
     aspect_filter = "nomadnetwork.node"
     @staticmethod
     def received_announce(destination_hash, announced_identity, app_data):
-        app = nomadnet.NomadNetworkApp.get_shared_instance()
+        try:
+            app = nomadnet.NomadNetworkApp.get_shared_instance()
 
-        if not destination_hash in app.ignored_list:
-            associated_peer = RNS.Destination.hash_from_name_and_identity("lxmf.delivery", announced_identity)
+            if not destination_hash in app.ignored_list:
+                associated_peer = RNS.Destination.hash_from_name_and_identity("lxmf.delivery", announced_identity)
 
-            app.directory.node_announce_received(destination_hash, app_data, associated_peer)
-            app.autoselect_propagation_node()
-            
-        else:
-            RNS.log("Ignored announce from "+RNS.prettyhexrep(destination_hash), RNS.LOG_DEBUG)
+                app.directory.node_announce_received(destination_hash, app_data, associated_peer)
+                app.autoselect_propagation_node()
+                
+            else:
+                RNS.log("Ignored announce from "+RNS.prettyhexrep(destination_hash), RNS.LOG_DEBUG)
+
+        except Exception as e:
+            RNS.log("Error while evaluating LXMF destination announce, ignoring announce.", RNS.LOG_DEBUG)
+            RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG)
 
 
     def __init__(self, app):

setup.py

@@ -30,6 +30,6 @@ setuptools.setup(
     entry_points= {
         'console_scripts': ['nomadnet=nomadnet.nomadnet:main']
     },
-    install_requires=["rns>=0.5.5", "lxmf>=0.3.2", "urwid>=2.1.2", "qrcode"],
+    install_requires=["rns>=0.5.7", "lxmf>=0.3.2", "urwid>=2.1.2", "qrcode"],
     python_requires=">=3.6",
 )