python-zulip-api/zulip/integrations/bridge_between_zulips/run-interrealm-bridge

97 lines
3.9 KiB
Python
Executable file

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import os
import argparse
import multiprocessing as mp
import zulip
import interrealm_bridge_config
from typing import Any, Callable, Dict
def create_pipe_event(to_client: zulip.Client, from_bot: Dict[str, Any],
to_bot: Dict[str, Any], stream_wide: bool
) -> Callable[[Dict[str, Any]], None]:
def _pipe_message(msg: Dict[str, Any]) -> None:
isa_stream = msg["type"] == "stream"
not_from_bot = msg["sender_email"] not in (from_bot["email"], to_bot["email"])
in_the_specified_stream = msg["display_recipient"] == from_bot["stream"]
if stream_wide:
# If tunnel granularity is at stream-wide, all subjects are
# mirrored as-is without translation.
at_the_specified_subject = True
subject = msg["subject"]
else:
at_the_specified_subject = msg["subject"] == from_bot["subject"]
subject = to_bot["subject"]
if isa_stream and not_from_bot and in_the_specified_stream and at_the_specified_subject:
if "/user_uploads/" in msg["content"]:
# Fix the upload URL of the image to be the source of where it
# comes from
msg["content"] = msg["content"].replace("/user_uploads/",
from_bot["site"] + "/user_uploads/")
if msg["content"].startswith(("```", "- ", "* ", "> ", "1. ")):
# If a message starts with special prefixes, make sure to prepend a newline for
# formatting purpose
msg["content"] = "\n" + msg["content"]
msg_data = {
"sender": to_client.email,
"type": "stream",
"to": to_bot["stream"],
"subject": subject,
"content": "**{0}**: {1}".format(msg["sender_full_name"], msg["content"]),
"has_attachment": msg.get("has_attachment", False),
"has_image": msg.get("has_image", False),
"has_link": msg.get("has_link", False)
}
print(msg_data)
print(to_client.send_message(msg_data))
def _pipe_event(event: Dict[str, Any]) -> None:
# See zerver/lib/events.py for a comprehensive event list
if event["type"] == "message":
msg = event["message"]
_pipe_message(msg)
return _pipe_event
if __name__ == "__main__":
usage = """run-interrealm-bridge [--stream]
Relay each message received at a specified subject in a specified stream from
the first realm to a specified subject in a specified stream in the second realm.
If the --stream flag is added, then the tunnel granularity becomes
stream-wide. All subjects are mirrored as-is without translation.
"""
sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
parser = argparse.ArgumentParser(usage=usage)
parser.add_argument('--stream',
action='store_true',
help="",
default=False)
args = parser.parse_args()
options = interrealm_bridge_config.config
bot1 = options["bot_1"]
bot2 = options["bot_2"]
client1 = zulip.Client(email=bot1["email"], api_key=bot1["api_key"],
site=bot1["site"])
client2 = zulip.Client(email=bot2["email"], api_key=bot2["api_key"],
site=bot2["site"])
# A bidirectional tunnel
pipe_event1 = create_pipe_event(client2, bot1, bot2, args.stream)
p1 = mp.Process(target=client1.call_on_each_event, args=(pipe_event1, ["message"]))
pipe_event2 = create_pipe_event(client1, bot2, bot1, args.stream)
p2 = mp.Process(target=client2.call_on_each_event, args=(pipe_event2, ["message"]))
p1.start()
p2.start()
print("Listening...")
p1.join()
p2.join()