Pass the parser along because of reasons.

Specifically, it's convenient to pull the factory off of the parser. Who knows;
maybe someone will need it for other reasons.

Author: habnabit

ometa/protocol.py

@@ -35,7 +35,7 @@ def connectionMade(self):
 
         self.sender = self.senderFactory(self.transport)
         self.receiver = self.receiverFactory(self.sender)
-        self.receiver.prepareParsing()
+        self.receiver.prepareParsing(self)
         self.parser = TrampolinedParser(
             self.grammar, self.receiver, self.bindings)
 

ometa/test/test_protocol.py

@@ -42,9 +42,11 @@ def __init__(self, sender):
         self.returnMap = {}
         self.connected = False
         self.lossReason = None
+        self.parser = None
 
-    def prepareParsing(self):
+    def prepareParsing(self, parser):
         self.connected = True
+        self.parser = parser
 
     def __call__(self, v):
         self.calls.append(v)
@@ -84,6 +86,11 @@ def test_senderPassed(self):
         self.protocol.makeConnection(None)
         self.assertEqual(self.protocol.sender, self.protocol.receiver.sender)
 
+    def test_parserPassed(self):
+        """The parser is passed in the prepareParsing method."""
+        self.protocol.makeConnection(None)
+        self.assertEqual(self.protocol, self.protocol.receiver.parser)
+
     def test_connectionEstablishes(self):
         """prepareParsing is called on the receiver after connection establishment."""
         self.protocol.makeConnection(None)