Python“记录器”模块两次记录

Question

已解决：

通过重命名两个记录器已解决了此问题。出现我的问题是因为我将在主文件中再次执行log.getLogger。这导致创建了2个记录器实例。解决方案是删除第二个呼叫，或者重命名两个呼叫之一。

我正在尝试为我当前的项目设置自定义记录器，但是在__init__.py文件之外无法正常运行它很困难。问题是我记录的所有内容都记录了两次。

我的代码：

__ Init __。py ：

import datetime as date
import os
import platform as plt
import logging as log


prefsDirectory = 'prefs/'
prefsName = 'preferences.txt'
prefsLocation = prefsDirectory + prefsName
now = date.datetime.now()

# SETUP

if not(os.path.exists(prefsLocation)):
    if not(plt.system() == "Darwin"):
        os.mknod(prefsLocation)
        with(open(prefsLocation, 'w+')) as f:
            f.write('Log increment:\n' + str(1) + "\n")
            f.close()
            pass
    else:
        if not(os.path.exists(prefsDirectory)):
            os.mkdir(prefsDirectory)
        with(open(prefsLocation, 'w+')) as f:
            f.close()
            pass
        with(open(prefsLocation, 'w+')) as f:
            f.write('Log increment:\n' + str(0) + "\n")
            f.write('\nCurrent Date:\n' + str(now.day) + "\n")
            f.close()
            pass

with(open(prefsLocation, "r")) as f:
    data = f.readlines()

if not(str(now.day) == data[4]):
    data[4] = str(now.day)
    data[1] = str(0) + '\n'
    # print('This ran')
else:
    inc = str(int(data[1]) + 1)
    data[1] = inc + "\n"


with(open(prefsLocation, "w")) as f:
    lines = (str(item) for item in data)
    for item in lines:
        f.write(item)

dateC = "[" + str(now.year) + "-" + str(now.month) + "-" + data[4] + "]"
logDirectory = "logs/"
inc = int(data[1])
logName2 = str(dateC) + "-" + str(inc)
logName = logName2 + ".log"
logLocation = logDirectory + logName


if not(os.path.exists(logLocation)):
    if not(plt.system() == "Darwin"):
        os.mknod(logLocation)
    else:
        if not(os.path.isdir(logDirectory)):
            os.mkdir(logDirectory)

        with (open(logLocation, 'w+')) as f:
            f.close()
            pass


formatter = log.Formatter("[%(asctime)s][%(levelname)s][%(module)s] : %(message)s \n", "%H:%M-%S" + "s")

handler = log.StreamHandler()
handler.setFormatter(formatter)
handler.setLevel("DEBUG")

logger = log.getLogger("Main")
logger.addHandler(handler)
log.basicConfig(filename=logLocation, level=log.DEBUG, filemode="w",
                format="[%(asctime)s][%(levelname)s][%(module)s] : %(message)s \n", datefmt="%H:%M-%S" + "s")

logger.info("[LOG NUMBER: " + str(inc) + "]")
logger.info("Found Settings file")
logger.info("Generated Log File")

__ main __。py ：

# IMPORTS

import logging as log
from main import variables as vrs


# VARIABLES

logg = vrs.logg
logg.addHandler(vrs.handlerMain)
log.basicConfig(filename=vrs.logLocation, level=log.DEBUG, filemode="w",
                format="[%(asctime)s][%(levelname)s][%(module)s] : %(message)s \n", datefmt="%H:%M-%S" + "s")

with(open(vrs.prefsLocation, "r")) as f:
    data = f.readlines()

# BODY

logg.info('Program Loading Completed.')

# Make a data holding file.

vrs.makefile('prefs/data.txt', 'prefs/', "Data File")

variables.py ：

import datetime as date
import logging as log
import os
import platform as plt


prefsDirectory = 'prefs/'
prefsName = 'preferences.txt'
prefsLocation = prefsDirectory + prefsName


with(open(prefsLocation, "r")) as f:
    data = f.readlines()

now = date.datetime.now()
dateC = "[" + str(now.year) + "-" + str(now.month) + "-" + data[4] + "]"


logDirectory = "logs/"
inc = int(data[1])
logName2 = str(dateC) + "-" + str(inc)
logName = logName2 + ".log"
logLocation = logDirectory + logName


formatter = log.Formatter("[%(asctime)s][%(levelname)s][%(module)s] : %(message)s \n", "%H:%M-%S" + "s")

handler = log.StreamHandler()
handler.setFormatter(formatter)
handler.setLevel("DEBUG")
handler.set_name('Main')

handlerMain = log.StreamHandler()
handlerMain.setFormatter(formatter)
handlerMain.setLevel("DEBUG")

logg = log.getLogger("Main")



def makefile(filelocation, filedirectory, filename):
    if not (os.path.exists(filelocation)):
        if not (plt.system() == "Darwin"):
            os.mknod(filelocation)
            with(open(filelocation, 'w+')) as file:
                file.write('File Created:\n' + dateC + "\n")
                file.close()
                pass
        else:
            if not (os.path.exists(filedirectory)):
                os.mkdir(filedirectory)
            with(open(filelocation, 'w+')) as file:
                file.write('File Created:\n' + dateC + "\n")
                file.close()
                pass

    logg.info('Created file: ' + filename)

我不确定是什么原因导致的...我认为这是在 init 文件中定义了记录器，然后在变量文件中定义了记录器的原因。

如果有帮助，我将在下面提供我的文件结构的副本：

<a href="https://gyazo.com/5cb1221a65a9ad50adf2a355f92f90e4"><img src="https://i.gyazo.com/5cb1221a65a9ad50adf2a355f92f90e4.png" alt="Image from Gyazo" width="315"/></a>

<a href="https://gyazo.com/39f1b61ca09ed364080254a0f678db80"><img src="https://i.gyazo.com/39f1b61ca09ed364080254a0f678db80.png" alt="Image from Gyazo" width="1280"/></a>

[我似乎无法将gyazo图像输入到帖子中，你们其中一位社区主持人可以替我放置这些图像吗？另外，要查看的文件夹名为AoC2018]

Answer 1

正如工作人员在他的评论中所提到的那样，您正在将两个流处理程序附加到“主”记录器。首先在__init__.py中，然后在__main__.py中。这也解释了为什么您在__init__.py内进行的日志记录工作正常，因为__main__.py尚未附加第二个处理程序。

我怀疑您没有想到此行为的原因是因为您期望记录器与众不同。但是您在__init__.py和variables.py中定义的记录器实际上是相同的。当您使用logging.getLogger(logger_name)使用具有相同logger_name的记录器时，它将返回相同的记录器。因此，当您在logging.getLogger('Main')中调用variables.py时，从在__init__.py中添加它以来，它仍然具有StreamHandler。

根据您想要的行为，您应该给它们指定不同的名称，或者删除第二个addHandler。

应注意，记录器名称遵循层次结构。 my_package的日志配置还将配置任何my_package.model，my_package.views等的日志记录。根记录器只是带有空字符串（logging.getLogger("")）的记录器。 / p>

有关更多详细信息，我建议您只进行the official docs。