Don't quote simple strings that don't need it

Makefile

@@ -163,7 +163,7 @@ test-uzbl-core-sandbox: sandbox uzbl-core sandbox-install-uzbl-core sandbox-inst
 	rm -rf ./sandbox/usr
 
 test-uzbl-browser-sandbox: sandbox uzbl-browser sandbox-install-uzbl-browser sandbox-install-example-data
-	./sandbox/env.sh ${PYTHON} -m uzbl.event_manager restart -navv &
+	./sandbox/env.sh ${PYTHON} -m uzbl.event_manager restart -navvv &
 	sleep 1
 	./sandbox/env.sh uzbl-browser http://www.uzbl.org --verbose
 	./sandbox/env.sh ${PYTHON} -m uzbl.event_manager stop -vv -o /dev/null

tests/event-manager/testonevent.py

@@ -15,15 +15,23 @@ def setUp(self):
 
     def test_command(self):
         oe = OnEventPlugin[self.uzbl]
-        event, command = 'FOO', "test 'test'"
+        event, command = 'FOO', 'test test'
 
         oe.parse_on_event('FOO test test')
         oe.event_handler('', on_event=event)
         self.uzbl.send.assert_called_once_with(command)
 
+    def test_command_with_quotes(self):
+        oe = OnEventPlugin[self.uzbl]
+        event, command = 'FOO', "test 'string with spaces'"
+
+        oe.parse_on_event('FOO test "string with spaces"')
+        oe.event_handler('', on_event=event)
+        self.uzbl.send.assert_called_once_with(command)
+
     def test_matching_pattern(self):
         oe = OnEventPlugin[self.uzbl]
-        event, command = 'FOO', "test 'test'"
+        event, command = 'FOO', "test test"
 
         oe.parse_on_event('FOO [ BAR ] test test')
         oe.event_handler('BAR else', on_event=event)

uzbl/plugins/cmd_expand.py

@@ -1,3 +1,8 @@
+import re
+
+SIMPLE = re.compile('^[a-zA-Z]+$')
+
+
 def escape(str):
     for (level, char) in [(1, '\\'), (1, "'"), (1, '"'), (1, '@')]:
         str = str.replace(char, (level * '\\') + char)
@@ -38,17 +43,23 @@ def cmd_expand(cmd, args):
     return cmd
 
 
+def format_arg(a):
+    if SIMPLE.match(a):
+        return a
+    return repr(a)
+
+
 def send_user_command(uzbl, cmd, args):
     if cmd[0] == 'event':
         has_var = any('@' in x for x in cmd)
         event = cmd[1]
-        args = cmd_expand(' '.join(repr(c) for c in cmd[2:]), args)
+        args = cmd_expand(' '.join(format_arg(c) for c in cmd[2:]), args)
         if not has_var:
             # Bypass the roundtrip to uzbl and dispatch immediately
             uzbl.event(event, args)
         else:
             uzbl.send(' '.join(('event', event, args)))
     else:
-        cmd = ' '.join((cmd[0],) + tuple(repr(c) for c in cmd[1:]))
+        cmd = ' '.join((cmd[0],) + tuple(format_arg(c) for c in cmd[1:]))
         cmd = cmd_expand(cmd, args)
         uzbl.send(cmd)