正在使用Python初始化MSEdge浏览器，获取TypeError：Level不是整数或有效字符串：无

问题描述

我正在尝试初始化MSedge浏览器，但遇到错误。

from selenium import webdriver
from selenium.webdriver.edge.service import Service
from webdriver_manager.microsoft import EdgeChromiumDriverManager

s=Service(EdgeChromiumDriverManager().install())
driver = webdriver.Edge(service=s)
driver.get('https://www.google.com')

错误声明：

TypeError                                 Traceback (most recent call last)
<ipython-input-2-4e36192a99d3> in <module>
      3 from webdriver_manager.microsoft import EdgeChromiumDriverManager
      4 
----> 5 s=Service(EdgeChromiumDriverManager().install())
      6 driver = webdriver.Edge(service=s)
      7 driver.maximize_window()

~Anaconda3libsite-packageswebdriver_managermicrosoft.py in __init__(self, version, os_type, path, name, url, latest_release_url, log_level, print_first_line, cache_valid_range)
     49         cache_valid_range=1,
     50     ):
---> 51         super().__init__(path, log_level, print_first_line, cache_valid_range)
     52         self.driver = EdgeChromiumDriver(
     53             version=version,

~Anaconda3libsite-packageswebdriver_managermanager.py in __init__(self, root_dir, log_level, print_first_line, cache_valid_range)
     10         self.driver_cache = DriverCache(root_dir, cache_valid_range)
     11         if os.environ.get('WDM_PRINT_FIRST_LINE', str(print_first_line)) == 'True':
---> 12             log("
", formatter='%(message)s', level=log_level)
     13         log("====== WebDriver manager ======", level=log_level)
     14 

~Anaconda3libsite-packageswebdriver_managerlogger.py in log(text, level, name, first_line, formatter)
     23 def log(text, level=logging.INFO, name="WDM", first_line=False, formatter='[%(name)s] - %(message)s'):
     24     """Emitting the log message."""
---> 25     _init_logger(level, name, first_line, formatter)
     26     loggers.get(name).info(text)

~Anaconda3libsite-packageswebdriver_managerlogger.py in _init_logger(level, name, first_line, formatter)
     17         handler.setFormatter(formatter)
     18         _logger.addHandler(handler)
---> 19         _logger.setLevel(level)
     20         loggers[name] = _logger
     21 

~Anaconda3liblogging\__init__.py in setLevel(self, level)
   1407         Set the logging level of this logger.  level must be an int or a str.
   1408         """
-> 1409         self.level = _checkLevel(level)
   1410         self.manager._clear_cache()
   1411 

~Anaconda3liblogging\__init__.py in _checkLevel(level)
    195         rv = _nameToLevel[level]
    196     else:
--> 197         raise TypeError("Level not an integer or a valid string: %r" % level)
    198     return rv
    199 

TypeError: Level not an integer or a valid string: None

推荐答案

这是WebDRIVER_MANAGER 3.5.2的问题。WebDRIVER_MANAGER的记录器有问题。详情请参考this issue和this pull request。

您可以根据拉取请求编辑WebDRIVER_MANAGER的源代码来修复该问题。您可以编辑webdriver_manager/microsoft.py文件，添加import logging并将log_level=None更改为log_level=logging.INFO。然后它就可以与Edge驱动程序很好地配合使用了。

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