在尝试运行脚本时获取TypeError：|=：'str‘和'bool’消息的不受支持的操作数类型

Question

我有一个python脚本，在这个脚本中，我试图确定是否以json格式的.txt文件返回包含某些语句的正或负。一些例子陈述是：“高曝光”、“网络钓鱼和其他欺诈”、“可疑内容”。在确定每个.txt文件是否返回正或负后，脚本应该将结果写入csv。我正试图处理大约10万个.txt文件。不过，我得到了我的代码的TypeError on line 22。完整的错误消息是：

TypeError: unsupported operand type(s) for |=: 'str' and 'bool' message when trying to run script 

我已经在下面以json格式包含了我的代码和示例.txt文件。

示例JSON格式文件

{
    "detected_referrer_samples": [
        {
            "positives": 1,
            "sha256": "325f928105efb4c227be1a83fb3d0634ec5903bdfce2c3580ad113fc0f15373c",
            "total": 52
        },
        {
            "positives": 20,
            "sha256": "48d85943ea9cdd1e480d73556e94d8438c1b2a8a30238dff2c52dd7f5c047435",
            "total": 53
        }
    ],
    "detected_urls": [],
    "domain_siblings": [],
    "resolutions": [],
    "response_code": 1,
    "verbose_msg": "Domain found in dataset",
    "whois": null
}

全追溯

Traceback (most recent call last):
  File "C:/virustotal_reporter.py", line 47, in <module>
    vt_result_check(path)
  File "C:/virustotal_reporter.py", line 22, in vt_result_check
    vt_result |= any(sample['positives'] > 0 for sample_type in sample_types
TypeError: unsupported operand type(s) for |=: 'str' and 'bool'

码

import os
import json
import csv

path="C:/Users/bwerner/Documents/output/"


def vt_result_check(path):
    vt_result = False
    for filename in os.listdir(path):
        with open(path + filename, 'r') as vt_result_file:
            vt_data = json.load(vt_result_file)

        l = ()

        # Look for any positive detected referrer samples
        # Look for any positive detected communicating samples
        # Look for any positive detected downloaded samples
        # Look for any positive detected URLs
        sample_types = ('detected_referrer_samples', 'detected_communicating_samples',
                        'detected_downloaded_samples', 'detected_urls')
        vt_result |= any(sample['positives'] > 0 for sample_type in sample_types
                                                 for sample in vt_data.get(sample_type, []))

        # Look for a Dr. Web category of known infection source
        vt_result |= vt_data.get('Dr.Web category') == "known infection source"

        # Look for a Forecepoint ThreatSeeker category of elevated exposure
        # Look for a Forecepoint ThreatSeeker category of phishing and other frauds
        # Look for a Forecepoint ThreatSeeker category of suspicious content
        threats = ("elevated exposure", "phishing and other frauds", "suspicious content")
        vt_result |= vt_data.get('Forcepoint ThreatSeeker category') in threats

        vt_result = str(vt_result)
        print(vt_result)
#        with open('output.csv', 'w') as outfile:
#            outfile.write(vt_result)
#        print(vt_result_check(path))

        #f.writerow(vt_result_check(path))

#        l.append(vt_result)

    return vt_result

if __name__ == '__main__':
    vt_result_check(path)
#    for i in range(vt_result_check(path)):

Answer 1

将vt_result转换为字符串：

vt_result = str(vt_result)

在内部循环的第一次迭代中，这不是问题，但在第二次迭代中，值没有重置，您尝试对字符串("True“或"False")和失败的布尔值执行|=。

可以通过移动

vt_result = False

下面

for filename in os.listdir(path):

如果由于需要继续使用以前迭代中的值，这是不可执行的，只需删除转换行：print可以很好地打印布尔值。

Answer 2

错误表明，在给定的行中，|=操作符两边的值对于该操作来说都是不兼容的类型；一个是str，另一个是bool。|=后面的表达式应该总是计算到bool，因此您需要找到vt_result变成str的位置。你明显地把它弄得更深了一点：

vt_result = str(vt_result)

因此，下一次通过for循环之后，当您第二次运行vt_result |= ...行时，就会得到错误。