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对于不同的网站，我有几个不同的解析器，我还有一个名为shared.py的文件，它具有用于特殊解析的lxml函数和一个负责数据库（保存和其他）的base.py文件。如果某事失败（未找到图像）或通过（我们找到图像），我需要将其记录到日志文件中，为此我使用标准日志记录模块。

我写了一个logger.py文件，在其中创建了一个 Log 类，这样我就可以在我的解析器或base.py/shared.py中调用它，文件如下所示：

import logging
import os.path

__metaclass__ = type

class Log:
    def __init__(self, filename, loggername="fetchers", path="logs/", formater="%(asctime)s %(levelname)s %(message)s"):
        self.logger = logging.getLogger(loggername)
        self.hdlr = logging.FileHandler(path + os.path.splitext(filename)[0] + ".log")
        self.formater = logging.Formatter(formater)
        self.hdlr.setFormatter(self.formater)
        self.logger.addHandler(self.hdlr)
        self.logger.setLevel(logging.INFO)
    def info(self, msg):
        self.logger.info(msg)
    def warning(self, msg):
        self.logger.warning(msg)
    def error(self, msg):
        self.logger.error(msg)
    def critical(self, msg):
        self.logger.critical(msg)

if __name__ == "__main__":
    pass

文件夹层次结构如下所示；

  • /解析器
  • /解析器/base.py
  • /解析器/shared.py
  • /解析器/解析器.py
  • /解析器/parsertwo.py
  • /解析器/parsersthree.py
  • /解析器/...
  • /Parsers/logs/base.log
  • /Parsers/logs/shared.log
  • /Parsers.logs/parserOne.log

每个解析器都导入记录器文件（base.py 和 shared.py 也），然后像这样初始化记录器：

logger = Log(os.path.basename(__file__))
logger.warning("Something has happened..")

这工作正常，它确实写入日志，但问题是，base.py 写入有关查询等的日志，以及有关失败等的解析器（与 shared.py 相同）问题是它正在写入日志，但它们看起来都一样。。

➜  logs  tail parserOne.log 
2012-10-26 16:35:21,250 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/scherpe-omzetdaling-televisiereclame/
2012-10-26 16:35:21,286 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/nominaties-mercurs-bekend2/
2012-10-26 16:35:21,322 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/traditionele-media-nog-steeds-populair-bij-jongeren/
2012-10-26 16:35:21,371 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/persgroep-blijft-sponsor-san/
2012-10-26 16:35:21,407 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/pg-overtreft-verwachtingen/
2012-10-26 16:35:21,443 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/discovery-networks-introduceert-discovery-client-productions/
2012-10-26 16:35:21,479 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/stoelendans-bij-wehkamp.nl/
2012-10-26 16:35:21,563 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/amazon-duikt-in-rode-cijfers/
2012-10-26 16:35:21,599 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/linkedin-rabobank-meest-populaire-werkgever/
2012-10-26 16:35:21,683 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/veronica-uitgeverij-wil-naar-amsterdam/

➜  logs  tail base.log 
2012-10-26 16:35:21,250 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/scherpe-omzetdaling-televisiereclame/
2012-10-26 16:35:21,286 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/nominaties-mercurs-bekend2/
2012-10-26 16:35:21,322 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/traditionele-media-nog-steeds-populair-bij-jongeren/
2012-10-26 16:35:21,371 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/persgroep-blijft-sponsor-san/
2012-10-26 16:35:21,407 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/pg-overtreft-verwachtingen/
2012-10-26 16:35:21,443 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/discovery-networks-introduceert-discovery-client-productions/
2012-10-26 16:35:21,479 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/stoelendans-bij-wehkamp.nl/
2012-10-26 16:35:21,563 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/amazon-duikt-in-rode-cijfers/
2012-10-26 16:35:21,599 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/linkedin-rabobank-meest-populaire-werkgever/
2012-10-26 16:35:21,683 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/veronica-uitgeverij-wil-naar-amsterdam/

➜  logs  tail shared.log 
2012-10-26 16:35:21,250 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/scherpe-omzetdaling-televisiereclame/
2012-10-26 16:35:21,286 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/nominaties-mercurs-bekend2/
2012-10-26 16:35:21,322 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/traditionele-media-nog-steeds-populair-bij-jongeren/
2012-10-26 16:35:21,371 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/persgroep-blijft-sponsor-san/
2012-10-26 16:35:21,407 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/pg-overtreft-verwachtingen/
2012-10-26 16:35:21,443 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/discovery-networks-introduceert-discovery-client-productions/
2012-10-26 16:35:21,479 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/stoelendans-bij-wehkamp.nl/
2012-10-26 16:35:21,563 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/amazon-duikt-in-rode-cijfers/
2012-10-26 16:35:21,599 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/linkedin-rabobank-meest-populaire-werkgever/
2012-10-26 16:35:21,683 INFO Data was sucessfuly saved: http://www.adformatie.nl/nieuws/bericht/veronica-uitgeverij-wil-naar-amsterdam/

为什么所有的日志文件都一样？如果它们是不同的文件？

干杯。

4

2 回答 2

1

您的记录器都称为“提取器”（因为您没有给出loggername参数），因此您将在所有日志中看到相同的消息。

我建议为您的记录器添加一个名称，并可能使用过滤器。

您可以将其应用于您的代码，如下所示：

logger = Log(os.path.basename(__file__), loggername='test')

def __init__(self, filename, loggername="fetchers", path="logs/", formater="%(asctime)s %(levelname)s %(message)s"):
    self.logger = logging.getLogger(loggername)
    self.hdlr = logging.FileHandler(path + os.path.splitext(filename)[0] + ".log")
    self.hdlr.addFilter(logging.Filter(name=loggername))
    ...
于 2012-10-26T16:02:43.647 回答
1

看起来它让记录器使用loggerName，并且始终设置为"fetchers"。因此，您在任何地方都使用相同的记录器，这解释了为什么输出相同。

于 2012-10-26T16:03:51.177 回答