写个脚本 匹配字符串 不知道怎么写

查看目录/etc/nginx/nginx.conf 文件中是否包含 nns.baidu.com
要求： 过滤注释行，空行

import os
path = r'/etc/nginx/nginx.conf'
text = r'nns.baidu.com'
def getfiles(path):
    f = open(path, "r")
    # 在文件中找到要查到的字符串后进行打印
    if text in f.read():
        print(text + " found in ")
 
    else:
        print(text + " not found! ")
    
getfiles(path)

用正则表达式

def run():
    symbol = "#"  # 单行注释符号
    start_multi_line_symbol = "'''"  # 多行注释开始符号
    end_multi_line_symbol = "'''"  # 多行注释结束符号
    string = "nns.baidu.com"  # 判断字符串
    file_path = "./con.conf"  # 文件路径
    is_exist = False
    multi_line = False
    with open(file_path, 'r') as f:
        data = f.readlines()
        for index, i in enumerate(data):
            not_space = i.strip()
            if not_space.startswith(start_multi_line_symbol) and not multi_line:
                multi_line = True
                continue
            if not_space.endswith(end_multi_line_symbol):
                multi_line = False
                continue
            if not not_space or not_space[0] == symbol or multi_line:
                continue
            line_data = i.split(symbol, 1)[0]
            if string in line_data:
                is_exist = True
                print(f"行号：{index + 1}， {i}")
    return is_exist
    pass