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Move prompt logic to a flag set by TTYPE (for Mudlet, currently)

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This commit is contained in:
Ben Longden 2021-04-26 10:31:42 +01:00
parent 9099796258
commit c209a9b8ef
4 changed files with 8 additions and 2 deletions
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1
evennia/server/portal/suppress_ga.py
View file

@ -40,6 +40,7 @@ class SuppressGA(object):
self.protocol = protocol
self.protocol.protocol_flags["NOGOAHEAD"] = True
self.protocol.protocol_flags["NOPROMPTGOAHEAD"] = True # Used to send a GA after a prompt line only, set in TTYPE (per client)
# tell the client that we prefer to suppress GA ...
self.protocol.will(SUPPRESS_GA).addCallbacks(self.will_suppress_ga, self.wont_suppress_ga)

6
evennia/server/portal/telnet.py
View file

@ -337,6 +337,8 @@ class TelnetProtocol(Telnet, StatefulTelnetProtocol, Session):
line = line.replace(b"\n", b"\r\n")
if not line.endswith(b"\r\n") and self.protocol_flags.get("FORCEDENDLINE", True):
line += b"\r\n"
if not self.protocol_flags.get("NOGOAHEAD", True) and self.protocol_flags.get("NOPROMPTGOAHEAD", True):
line += IAC + GA
return self.transport.write(mccp_compress(self, line))
# Session hooks
@ -438,8 +440,8 @@ class TelnetProtocol(Telnet, StatefulTelnetProtocol, Session):
prompt = mxp_parse(prompt)
prompt = to_bytes(prompt, self)
prompt = prompt.replace(IAC, IAC + IAC).replace(b"\n", b"\r\n")
if not self.protocol_flags.get("NOGOAHEAD", True):
prompt += IAC + GA
if not self.protocol_flags.get("NOGOAHEAD", True) and not self.protocol_flags.get("NOPROMPTGOAHEAD", True):
prompt += IAC + GA
self.transport.write(mccp_compress(self, prompt))
else:
if echo is not None:

1
evennia/server/portal/tests.py
View file

@ -252,6 +252,7 @@ class TestTelnet(TwistedTestCase):
self.assertTrue(self.proto.protocol_flags["XTERM256"])
self.assertEqual(self.proto.protocol_flags["CLIENTNAME"], "MUDLET")
self.assertTrue(self.proto.protocol_flags["FORCEDENDLINE"])
self.assertFalse(self.proto.protocol_flags["NOPROMPTGOAHEAD"])
self.proto.dataReceived(b"".join([IAC, SB, TTYPE, IS, b"XTERM", IAC, SE]))
self.proto.dataReceived(b"".join([IAC, SB, TTYPE, IS, b"MTTS 137", IAC, SE]))
self.assertEqual(self.proto.handshakes, 5)

2
evennia/server/portal/ttype.py
View file

@ -119,6 +119,8 @@ class Ttype(object):
if clientname.startswith("MUDLET"):
# supports xterm256 stably since 1.1 (2010?)
xterm256 = clientname.split("MUDLET", 1)[1].strip() >= "1.1"
# Mudlet likes GA's on a prompt line for the prompt trigger to match.
self.protocol.protocol_flags["NOPROMPTGOAHEAD"] = False
if (
clientname.startswith("XTERM")