67 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			67 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable file
		
	
	
	
	
#!/usr/bin/env python
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import sys
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import os
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import logging
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import time
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import simplejson
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import subprocess
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import unicodedata
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sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'api'))
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import zulip
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zulip_client = zulip.Client(client="ZulipSyncPublicStreamsBot/0.1")
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def fetch_public_streams():
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    public_streams = set()
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    try:
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        res = zulip_client.get_streams(include_all_active=True)
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        if res.get("result") == "success":
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            streams = res["streams"]
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        else:
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            logging.error("Error getting public streams:\n%s" % (res,))
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            return None
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    except Exception:
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        logging.exception("Error getting public streams:")
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        return None
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    for stream in streams:
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        stream_name = stream["name"]
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        # Zephyr class names are canonicalized by first applying NFKC
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        # normalization and then lower-casing server-side
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        canonical_cls = unicodedata.normalize("NFKC", stream_name).lower().encode("utf-8")
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        if canonical_cls in ['security', 'login', 'network', 'ops', 'user_locate',
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                             'mit', 'moof', 'wsmonitor', 'wg_ctl', 'winlogger',
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                             'hm_ctl', 'hm_stat', 'zephyr_admin', 'zephyr_ctl']:
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            # These zephyr classes cannot be subscribed to by us, due
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            # to MIT's Zephyr access control settings
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            continue
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        public_streams.add(canonical_cls)
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    return public_streams
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if __name__ == "__main__":
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    log_file = "/home/zulip/sync_public_streams.log"
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    logger = logging.getLogger(__name__)
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    log_format = "%(asctime)s: %(message)s"
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    logging.basicConfig(format=log_format)
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    formatter = logging.Formatter(log_format)
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    logger.setLevel(logging.DEBUG)
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    file_handler = logging.FileHandler(log_file)
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    file_handler.setFormatter(formatter)
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    logger.addHandler(file_handler)
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    while True:
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        time.sleep(15)
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        public_streams = fetch_public_streams()
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        if public_streams is None:
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            continue
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        f = file("/home/zulip/public_streams.tmp", "w")
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        f.write(simplejson.dumps(list(public_streams)) + "\n")
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        f.close()
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        subprocess.call(["mv", "/home/zulip/public_streams.tmp", "/home/zulip/public_streams"])
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