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XEP-0461: rely on XEP-0428 for fallback

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Breaks the previous fallback helpers, we now
rely on XEP-0461 instead
This commit is contained in:
nicoco 2023-07-19 07:29:37 +02:00 committed by nicoco
parent 8d63bd68cf
commit 985926ed7b
4 changed files with 35 additions and 72 deletions
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2
slixmpp/plugins/xep_0461/reply.py
View File

@ -13,7 +13,7 @@ class XEP_0461(BasePlugin):
name = "xep_0461"
description = "XEP-0461: Message Replies"
dependencies = {"xep_0030"}
dependencies = {"xep_0030", "xep_0428"}
stanza = stanza
namespace = stanza.NS

81
slixmpp/plugins/xep_0461/stanza.py
View File

@ -2,6 +2,7 @@ from typing import Optional
from slixmpp.stanza import Message
from slixmpp.xmlstream import ElementBase, register_stanza_plugin
from slixmpp.plugins.xep_0428.stanza import Fallback
NS = "urn:xmpp:reply:0"
@ -12,39 +13,11 @@ class Reply(ElementBase):
plugin_attrib = "reply"
interfaces = {"id", "to"}
class FeatureFallBack(ElementBase):
# should also be a multi attrib
namespace = "urn:xmpp:fallback:0"
name = "fallback"
plugin_attrib = "feature_fallback"
interfaces = {"for"}
def get_fallback_body(self):
# only works for a single fallback_body attrib
start = self["fallback_body"]["start"]
end = self["fallback_body"]["end"]
body = self.parent()["body"]
if start <= end:
return body[start:end]
else:
return ""
def get_stripped_body(self):
# only works for a single fallback_body attrib
start = self["fallback_body"]["start"]
end = self["fallback_body"]["end"]
body = self.parent()["body"]
if start <= end < len(body):
return body[:start] + body[end:]
else:
return body
def add_quoted_fallback(self, fallback: str, nickname: Optional[str] = None):
"""
Add plain text fallback for clients not implementing XEP-0461.
``msg["feature_fallback"].add_quoted_fallback("Some text", "Bob")`` will
``msg["reply"].add_quoted_fallback("Some text", "Bob")`` will
prepend "> Bob:\n> Some text\n" to the body of the message, and set the
fallback_body attributes accordingly, so that clients implementing
XEP-0461 can hide the fallback text.
@ -57,39 +30,27 @@ class FeatureFallBack(ElementBase):
if nickname:
quoted = "> " + nickname + ":\n" + quoted
msg["body"] = quoted + msg["body"]
msg["feature_fallback"]["for"] = NS
msg["feature_fallback"]["fallback_body"]["start"] = 0
msg["feature_fallback"]["fallback_body"]["end"] = len(quoted)
fallback = Fallback()
fallback["for"] = NS
fallback["body"]["start"] = 0
fallback["body"]["end"] = len(quoted)
msg.append(fallback)
class FallBackBody(ElementBase):
# According to https://xmpp.org/extensions/inbox/compatibility-fallback.html
# this should be a multi_attrib *but* since it's a protoXEP, we'll see...
namespace = FeatureFallBack.namespace
name = "body"
plugin_attrib = "fallback_body"
interfaces = {"start", "end"}
def set_start(self, v: int):
self._set_attr("start", str(v))
def get_start(self):
try:
return int(self._get_attr("start"))
except ValueError:
return 0
def set_end(self, v: int):
self._set_attr("end", str(v))
def get_end(self):
try:
return int(self._get_attr("end"))
except ValueError:
return 0
def get_fallback_body(self) -> str:
msg = self.parent()
for fallback in msg["fallbacks"]:
if fallback["for"] == NS:
break
else:
return ""
start = fallback["body"]["start"]
end = fallback["body"]["end"]
body = msg["body"]
if start <= end:
return body[start:end]
else:
return ""
def register_plugins():
register_stanza_plugin(Message, Reply)
register_stanza_plugin(Message, FeatureFallBack)
register_stanza_plugin(FeatureFallBack, FallBackBody)

20
tests/test_stanza_xep_0461.py
View File

@ -1,11 +1,13 @@
import unittest
from slixmpp import Message
from slixmpp.test import SlixTest
from slixmpp.plugins.xep_0428 import stanza as fallback_stanza
from slixmpp.plugins.xep_0461 import stanza
class TestReply(SlixTest):
def setUp(self):
fallback_stanza.register_plugins()
stanza.register_plugins()
def testReply(self):
@ -26,9 +28,9 @@ class TestReply(SlixTest):
def testFallback(self):
message = Message()
message["body"] = "12345\nrealbody"
message["feature_fallback"]["for"] = "NS"
message["feature_fallback"]["fallback_body"]["start"] = 0
message["feature_fallback"]["fallback_body"]["end"] = 6
message["fallback"]["for"] = "NS"
message["fallback"]["body"]["start"] = 0
message["fallback"]["body"]["end"] = 6
self.check(
message,
@ -42,18 +44,18 @@ class TestReply(SlixTest):
""",
)
assert message["feature_fallback"].get_stripped_body() == "realbody"
assert message["fallback"].get_stripped_body("NS") == "realbody"
def testAddFallBackHelper(self):
msg = Message()
msg["body"] = "Great"
msg["feature_fallback"].add_quoted_fallback("Anna wrote:\nHi, how are you?")
# ugly dedent but the test does not pass without it
msg["reply"].add_quoted_fallback("Anna wrote:\nHi, how are you?")
self.check(
msg,
msg, # language=XML
"""
<message xmlns="jabber:client" type="normal">
<body>> Anna wrote:\n> Hi, how are you?\nGreat</body>
<reply xmlns="urn:xmpp:reply:0" />
<fallback xmlns="urn:xmpp:fallback:0" for="urn:xmpp:reply:0">
<body start='0' end='33' />
</fallback>
@ -67,8 +69,8 @@ class TestReply(SlixTest):
msg = Message()
msg["body"] = "Great"
msg["feature_fallback"].add_quoted_fallback(body)
body2 = msg["feature_fallback"].get_fallback_body()
msg["reply"].add_quoted_fallback(body)
body2 = msg["reply"].get_fallback_body()
self.assertTrue(body2 == quoted, body2)

4
tests/test_stream_xep_0461.py
View File

@ -9,8 +9,8 @@ class TestReply(SlixTest):
def testFallBackBody(self):
async def on_reply(msg):
start = msg["feature_fallback"]["fallback_body"]["start"]
end = msg["feature_fallback"]["fallback_body"]["end"]
start = msg["fallback"]["body"]["start"]
end = msg["fallback"]["body"]["end"]
self.xmpp["xep_0461"].send_reply(
reply_to=msg.get_from(),
reply_id=msg.get_id(),