openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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import os
import logging
import zmq
from common.logging_extra import SwagLogger, SwagFormatter
class LogMessageHandler(logging.Handler):
def __init__(self, formatter):
logging.Handler.__init__(self)
self.setFormatter(formatter)
self.pid = None
def connect(self):
self.zctx = zmq.Context()
self.sock = self.zctx.socket(zmq.PUSH)
self.sock.connect("ipc:///tmp/logmessage")
self.pid = os.getpid()
def emit(self, record):
if os.getpid() != self.pid:
self.connect()
msg = self.format(record).rstrip('\n')
# print("SEND".format(repr(msg)))
try:
self.sock.send(chr(record.levelno)+msg, zmq.NOBLOCK)
except zmq.error.Again:
# drop :/
pass
cloudlog = log = SwagLogger()
log.setLevel(logging.DEBUG)
outhandler = logging.StreamHandler()
log.addHandler(outhandler)
log.addHandler(LogMessageHandler(SwagFormatter(log)))