> Chris Angelico wrote:
[Helpful stuff]
I'm actually trying to implement a SocketHandler for a Python logger. However,
I can't get my handler on the client side to send anything. Do I need to
subclass logging.SocketHandler and fill the various methods with meaning? The
documentation doesn't say so.
I've noticed that when the server is not running, logging.SocketHandler creates
the socket. I don't understand why it would; isn't it the server's job to
create the socket?
################## CLIENT ############################
import socket
import pickle
from logging import getLogger
from logging.handlers import SocketHandler
SOCKET = '/tmp/test.socket'
# This doesn't send anything to the socket
_log = getLogger(__name__)
_log.addHandler(SocketHandler(None, SOCKET))
_log.error('Logging something')
# String gets sent to socket
sock = socket.socket(socket.AF_UNIX)
sock.connect(SOCKET)
sock.send(b"Hello, world")
sock.close()
# Pickled object works fine
sock = socket.socket(socket.AF_UNIX)
sock.connect(SOCKET)
sock.send(pickle.dumps(dict(a=1)))
sock.close()
################## SERVER ############################
import os
import pickle
from socketserver import UnixStreamServer, StreamRequestHandler
SOCKET = '/tmp/test.socket'
class Handler(StreamRequestHandler):
def handle(self):
data = self.rfile.read()
try:
obj = pickle.loads(data)
except:
print('Unpickled: ', data)
else:
print('Pickled: ', type(obj))
if os.path.exists(SOCKET):
os.unlink(SOCKET)
with UnixStreamServer(SOCKET, Handler) as server:
server.serve_forever()
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