accept spaces in container names

handle non-existent event plugin directory gracefully

src/cryptobox/core/container.py

@@ -108,7 +108,7 @@ class CryptoBoxContainer:
         ## is the same as the volume name
         if self.is_mounted():
             raise CBVolumeIsActive("the container must not be active during renaming")
-        if not re.search(r'^[a-zA-Z0-9_\.\-]+$', new_name):
+        if not re.match(r'[a-zA-Z0-9_\.\- ]+$', new_name):
             raise CBInvalidName("the supplied new name contains illegal characters")
         ## check for another partition with the same name
         if self.cbox.get_container_list(filter_name=new_name):

src/cryptobox/core/main.py

@@ -272,7 +272,12 @@ class CryptoBox:
     def send_event_notification(self, event, event_infos):
         """call all available scripts in the event directory with some event information"""
         event_dir = self.prefs["Locations"]["EventDir"]
-        for fname in os.listdir(event_dir):
+        try:
+            event_scripts = os.listdir(event_dir)
+        except OSError:
+            ## the directory does not seem to exist - we fail silently
+            return
+        for fname in event_scripts:
             real_fname = os.path.join(event_dir, fname)
             if os.path.isfile(real_fname) and os.access(real_fname, os.X_OK):
                 cmd_args = [ self.prefs["Programs"]["super"],