http请求头字符串转字典格式

需求

获取请求头，格式为字符串，每行请求头以 "\n" 为结尾。

现需要自动将字符串格式转换为字典格式。

例如

字符串头

headers = "Host: 172.16.12.129\nPragma: no-cache\nCache-Control: no-cache\nUpgrade-Insecure-Requests: 1\nUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7\nAccept-Encoding: gzip, deflate\nAccept-Language: zh-CN,zh;q=0.9\nCookie: security=low; PHPSESSID=5ns9jc602n8j32p4i9h2ve9u3j\nConnection: close"

转换后的字典

    headers = {
        "Host": "172.16.12.129",
        "Pragma": "no-cache",
        "Cache-Control": "no-cache",
        "Upgrade-Insecure-Requests": "1",
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36",
        "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
        "Accept-Encoding": "gzip, deflate",
        "Accept-Language": "zh-CN,zh;q=0.9",
        "Cookie": "security=low; PHPSESSID=i0s6r68anbs3743icjn3gc2m79",
        "Connection": "close",
    }

实例 

def extractHeaders(headers):
    headers = headers.replace('\\n', '\n')
    sorted_headers = {}
    matches = re.findall(r'(.*):\s(.*)', headers)
    for match in matches:
        header = match[0]
        value = match[1]
        try:
            if value[-1] == ',':
                value = value[:-1]
            sorted_headers[header] = value
        except IndexError:
            pass
    return sorted_headers


if __name__ == "__main__":
    headers = "Host: 172.16.12.129\nPragma: no-cache\nCache-Control: no-cache\nUpgrade-Insecure-Requests: 1\nUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7\nAccept-Encoding: gzip, deflate\nAccept-Language: zh-CN,zh;q=0.9\nCookie: security=low; PHPSESSID=5ns9jc602n8j32p4i9h2ve9u3j\nConnection: close"

    headers = extractHeaders(headers)
    print(headers)