gracefully handle spaces in non-last params (split them)

irctokens/protocol.py

@@ -77,7 +77,12 @@ class Line(object):
         params = self.params.copy()
         if self.params:
             last = params.pop(-1)
-            outs.extend(params)
+            for param in params:
+                if " " in param:
+                    outs.extend(param.split(" "))
+                else:
+                    outs.append(param)
+
             if " " in last:
                 last = f":{last}"
             outs.append(last)

test/format.py

@@ -40,3 +40,8 @@ class FormatTestTrailing(unittest.TestCase):
     def test_no_space(self):
         line = irctokens.format("PRIVMSG", ["#channel", "helloworld"])
         self.assertEqual(line, "PRIVMSG #channel helloworld")
+
+class FormatTestSpacedArg(unittest.TestCase):
+    def test(self):
+        line = irctokens.format("USER", ["user", "0 *", "real name"])
+        self.assertEqual(line, "USER user 0 * :real name")