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Use of pyzmq's logging handler in python


Use of pyzmq's logging handler in python

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Use of pyzmq's logging handler in python
Tag : python , By : Brazen
Date : November 28 2020, 11:01 PM

like below fixes the issue The problem is on the subscriber side. Initially a subscriber filters out all messages, until a filter is set. Use socket.setsockopt(opt, value) function to archive this. The pyZMQ description is not very clear about the use of this function:
import time
import zmq

def sub_client():
    port = "12344"       
    context = zmq.Context()
    socket = context.socket(zmq.SUB)    
    ssocket.connect("tcp://127.0.0.1:%s" % port)
    socket.setsockopt(zmq.SUBSCRIBE,'')


    # Process 30 updates
    print "Listening to publishers..."
    for i in range (30):       
        print "Listening to publishers..."
        message = socket.recv()
        print "Received error #%s: %s" % (str(i), message)
        time.sleep(1)

sub_client()

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How to get the level of the logging record in a custom logging.Handler in Python?


Tag : python , By : Matt
Date : March 29 2020, 07:55 AM
it fixes the issue record is an instance of LogRecord:
>>> import logging
>>> rec = logging.LogRecord('bob', 1, 'foo', 23, 'ciao', (), False)
>>> dir(rec)
['__doc__', '__init__', '__module__', '__str__', 'args', 'created',
 'exc_info', 'exc_text', 'filename', 'funcName', 'getMessage', 'levelname',
 'levelno', 'lineno', 'module', 'msecs', 'msg', 'name', 'pathname', 'process',
 'processName', 'relativeCreated', 'thread', 'threadName']
>>> rec.levelno
1
>>> rec.levelname
'Level 1'

Python Logging Handler


Tag : python , By : chawei
Date : March 29 2020, 07:55 AM
it should still fix some issue Change logger.handlers. to logging.handlers. and beware of typos (there is no setlevel-method, but a setLevel-method).
The following code works fine:
import logging
import logging.handlers
CMDID='TEST'

class ContextFilter(logging.Filter):
  def filter(self,record):
    record.CMDID=CMDID
    return True

FORMAT='%(asctime)s [%(CMDID)s] - %(message)s'
logger=logging.getLogger("Test")
logger=logging.setLevel(logging.DEBUG)
fh=logging.handlers.RotatingFileHandler("testing.log",maxBytes=1024,backupCount=5)
fh.setLevel(logging.DEBUG)
fh.setFormatter(logging.Formatter(FORMAT))
logger.addHandler(fh)
logger.addFilter(ContextFilter())
logger.warning("WTH")
In [4]: logger.handlers
Out[4]: [<logging.handlers.RotatingFileHandler at 0x3e85b70>]

add custom handler with Python logging


Tag : python , By : S Hall
Date : March 29 2020, 07:55 AM
wish helps you In myapp() you are adding the handler to the logger named 'myapp'. Since testme() is getting the logger named 'testme' it does not have the handler since it is a different part of the logging hierarchy.
If you just have logger = logger.getLogger() in myapp() then it would work since you are adding the handler to the root of the hierarchy.

Python logging not using specified handler


Tag : python , By : Michael Gunderson
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , It's because your logger in the config is called Main (the qualname setting), but the logger you log to is called main. Logger names are case-sensitive: the names should match exactly for things to work as expected.

Python, py.test and stderr -- capturing logging handler output from Cement logging extension


Tag : python , By : user178709
Date : March 29 2020, 07:55 AM
This might help you Capturing the stdout or stderr output can be done with the capsys fixture.
You can then make checks like this (example adapted from the docs):
def test_myoutput(capsys):
    print("hello")
    sys.stderr.write("world\n")
    captured = capsys.readouterr()
    assert captured.out == "hello\n"
    assert captured.err == "world\n"
def test_baz(caplog):
    func_under_test()
    for record in caplog.records:
        assert record.levelname != 'CRITICAL'
    assert 'wally' not in caplog.text
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