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Remove `contrib/experiments/test_messaging.py` (#12911)

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David Robertson 2022-05-30 10:47:47 +01:00 committed by GitHub
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Remove unused `contrib/experiements/test_messaging.py` script. This fails to run on Python 3.

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contrib/experiments/test_messaging.py
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# Copyright 2014-2016 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
""" This is an example of using the server to server implementation to do a
basic chat style thing. It accepts commands from stdin and outputs to stdout.
It assumes that ucids are of the form <user>@<domain>, and uses <domain> as
the address of the remote home server to hit.
Usage:
python test_messaging.py <port>
Currently assumes the local address is localhost:<port>
"""
import argparse
import curses.wrapper
import json
import logging
import os
import re
import cursesio
from twisted.internet import defer, reactor
from twisted.python import log
from synapse.app.homeserver import SynapseHomeServer
from synapse.federation import ReplicationHandler
from synapse.federation.units import Pdu
from synapse.util import origin_from_ucid
# from synapse.logging.utils import log_function
logger = logging.getLogger("example")
def excpetion_errback(failure):
logging.exception(failure)
class InputOutput:
"""This is responsible for basic I/O so that a user can interact with
the example app.
"""
def __init__(self, screen, user):
self.screen = screen
self.user = user
def set_home_server(self, server):
self.server = server
def on_line(self, line):
"""This is where we process commands."""
try:
m = re.match(r"^join (\S+)$", line)
if m:
# The `sender` wants to join a room.
(room_name,) = m.groups()
self.print_line("%s joining %s" % (self.user, room_name))
self.server.join_room(room_name, self.user, self.user)
# self.print_line("OK.")
return
m = re.match(r"^invite (\S+) (\S+)$", line)
if m:
# `sender` wants to invite someone to a room
room_name, invitee = m.groups()
self.print_line("%s invited to %s" % (invitee, room_name))
self.server.invite_to_room(room_name, self.user, invitee)
# self.print_line("OK.")
return
m = re.match(r"^send (\S+) (.*)$", line)
if m:
# `sender` wants to message a room
room_name, body = m.groups()
self.print_line("%s send to %s" % (self.user, room_name))
self.server.send_message(room_name, self.user, body)
# self.print_line("OK.")
return
m = re.match(r"^backfill (\S+)$", line)
if m:
# we want to backfill a room
(room_name,) = m.groups()
self.print_line("backfill %s" % room_name)
self.server.backfill(room_name)
return
self.print_line("Unrecognized command")
except Exception as e:
logger.exception(e)
def print_line(self, text):
self.screen.print_line(text)
def print_log(self, text):
self.screen.print_log(text)
class IOLoggerHandler(logging.Handler):
def __init__(self, io):
logging.Handler.__init__(self)
self.io = io
def emit(self, record):
if record.levelno < logging.WARN:
return
msg = self.format(record)
self.io.print_log(msg)
class Room:
"""Used to store (in memory) the current membership state of a room, and
which home servers we should send PDUs associated with the room to.
"""
def __init__(self, room_name):
self.room_name = room_name
self.invited = set()
self.participants = set()
self.servers = set()
self.oldest_server = None
self.have_got_metadata = False
def add_participant(self, participant):
"""Someone has joined the room"""
self.participants.add(participant)
self.invited.discard(participant)
server = origin_from_ucid(participant)
self.servers.add(server)
if not self.oldest_server:
self.oldest_server = server
def add_invited(self, invitee):
"""Someone has been invited to the room"""
self.invited.add(invitee)
self.servers.add(origin_from_ucid(invitee))
class HomeServer(ReplicationHandler):
"""A very basic home server implentation that allows people to join a
room and then invite other people.
"""
def __init__(self, server_name, replication_layer, output):
self.server_name = server_name
self.replication_layer = replication_layer
self.replication_layer.set_handler(self)
self.joined_rooms = {}
self.output = output
def on_receive_pdu(self, pdu):
"""We just received a PDU"""
pdu_type = pdu.pdu_type
if pdu_type == "sy.room.message":
self._on_message(pdu)
elif pdu_type == "sy.room.member" and "membership" in pdu.content:
if pdu.content["membership"] == "join":
self._on_join(pdu.context, pdu.state_key)
elif pdu.content["membership"] == "invite":
self._on_invite(pdu.origin, pdu.context, pdu.state_key)
else:
self.output.print_line(
"#%s (unrec) %s = %s"
% (pdu.context, pdu.pdu_type, json.dumps(pdu.content))
)
def _on_message(self, pdu):
"""We received a message"""
self.output.print_line(
"#%s %s %s" % (pdu.context, pdu.content["sender"], pdu.content["body"])
)
def _on_join(self, context, joinee):
"""Someone has joined a room, either a remote user or a local user"""
room = self._get_or_create_room(context)
room.add_participant(joinee)
self.output.print_line("#%s %s %s" % (context, joinee, "*** JOINED"))
def _on_invite(self, origin, context, invitee):
"""Someone has been invited"""
room = self._get_or_create_room(context)
room.add_invited(invitee)
self.output.print_line("#%s %s %s" % (context, invitee, "*** INVITED"))
if not room.have_got_metadata and origin is not self.server_name:
logger.debug("Get room state")
self.replication_layer.get_state_for_context(origin, context)
room.have_got_metadata = True
@defer.inlineCallbacks
def send_message(self, room_name, sender, body):
"""Send a message to a room!"""
destinations = yield self.get_servers_for_context(room_name)
try:
yield self.replication_layer.send_pdu(
Pdu.create_new(
context=room_name,
pdu_type="sy.room.message",
content={"sender": sender, "body": body},
origin=self.server_name,
destinations=destinations,
)
)
except Exception as e:
logger.exception(e)
@defer.inlineCallbacks
def join_room(self, room_name, sender, joinee):
"""Join a room!"""
self._on_join(room_name, joinee)
destinations = yield self.get_servers_for_context(room_name)
try:
pdu = Pdu.create_new(
context=room_name,
pdu_type="sy.room.member",
is_state=True,
state_key=joinee,
content={"membership": "join"},
origin=self.server_name,
destinations=destinations,
)
yield self.replication_layer.send_pdu(pdu)
except Exception as e:
logger.exception(e)
@defer.inlineCallbacks
def invite_to_room(self, room_name, sender, invitee):
"""Invite someone to a room!"""
self._on_invite(self.server_name, room_name, invitee)
destinations = yield self.get_servers_for_context(room_name)
try:
yield self.replication_layer.send_pdu(
Pdu.create_new(
context=room_name,
is_state=True,
pdu_type="sy.room.member",
state_key=invitee,
content={"membership": "invite"},
origin=self.server_name,
destinations=destinations,
)
)
except Exception as e:
logger.exception(e)
def backfill(self, room_name, limit=5):
room = self.joined_rooms.get(room_name)
if not room:
return
dest = room.oldest_server
return self.replication_layer.backfill(dest, room_name, limit)
def _get_room_remote_servers(self, room_name):
return list(self.joined_rooms.setdefault(room_name).servers)
def _get_or_create_room(self, room_name):
return self.joined_rooms.setdefault(room_name, Room(room_name))
def get_servers_for_context(self, context):
return defer.succeed(
self.joined_rooms.setdefault(context, Room(context)).servers
)
def main(stdscr):
parser = argparse.ArgumentParser()
parser.add_argument("user", type=str)
parser.add_argument("-v", "--verbose", action="count")
args = parser.parse_args()
user = args.user
server_name = origin_from_ucid(user)
# Set up logging
root_logger = logging.getLogger()
formatter = logging.Formatter(
"%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(message)s"
)
if not os.path.exists("logs"):
os.makedirs("logs")
fh = logging.FileHandler("logs/%s" % user)
fh.setFormatter(formatter)
root_logger.addHandler(fh)
root_logger.setLevel(logging.DEBUG)
# Hack: The only way to get it to stop logging to sys.stderr :(
log.theLogPublisher.observers = []
observer = log.PythonLoggingObserver()
observer.start()
# Set up synapse server
curses_stdio = cursesio.CursesStdIO(stdscr)
input_output = InputOutput(curses_stdio, user)
curses_stdio.set_callback(input_output)
app_hs = SynapseHomeServer(server_name, db_name="dbs/%s" % user)
replication = app_hs.get_replication_layer()
hs = HomeServer(server_name, replication, curses_stdio)
input_output.set_home_server(hs)
# Add input_output logger
io_logger = IOLoggerHandler(input_output)
io_logger.setFormatter(formatter)
root_logger.addHandler(io_logger)
# Start!
try:
port = int(server_name.split(":")[1])
except Exception:
port = 12345
app_hs.get_http_server().start_listening(port)
reactor.addReader(curses_stdio)
reactor.run()
if __name__ == "__main__":
curses.wrapper(main)