几行代码教你快速创建scrapy项目，非常实用建议收藏！

import shutil,os

修改settings.py

def config(scrapy_path,project_name):
    judge=input("是否自动修改配置?是：yes|y   否：no|n\n请选择:")
    if judge=='yes'or judge=='y'or judge== '是':
        setting_path=f'{scrapy_path}/{project_name}/{project_name}/settings.py'
        #修改items配置
        with open(setting_path,"rt+",encoding="utf-8") as fp:
            lines=fp.readlines()
            for i in range(len(lines)):
                lines[i]=lines[i].replace('ROBOTSTXT_OBEY = True','ROBOTSTXT_OBEY = False')
                if "ITEM_PIPELINES" in lines[i] or "DOWNLOADER_MIDDLEWARES" in lines[i]:
                    lines[i]=lines[i].strip('# ')
                    lines[i+1] = lines[i+1].strip('# ')
                    lines[i+2] = lines[i+2].strip('# ')
        with open(setting_path,"wt+",encoding="utf-8") as fp:
            text="from fake_useragent import UserAgent\nua=UserAgent()\nUSER_AGENT = ua.ie\nLOG_LEVEL='ERROR'\n"
            fp.write(text)
            for line in lines:
                fp.write(line)
        print("配置成功")
    else:
        print("默认配置")

def INPUT():
    project_name=input("请输入scrapy项目名:").split()[0]
    spider_name = input("请输入爬虫名称:").split()[0]
    if project_name==spider_name:
        print('项目名和爬虫名不能相同，请重新输入!')
        os.system('cls')
        return INPUT()
    else:
        main_url = input("请输入网址:").split()[0]
        name = {
            'project_name': project_name,
            'spider_name': spider_name,
            'main_url':main_url,
        }
        return name

#创建主体项目文件
def start_project(scrapy_path,project_name,spider_name,main_url):
    # 创建scrapy工程
    man1 = f'scrapy startproject {project_name}'
    os.system(man1)
    # 创建爬虫文件
    man2 = f'scrapy genspider {spider_name} {main_url}'
    os.system(man2)
    # 移动爬虫文件
    shutil.move(f'{scrapy_path}/{spider_name}.py',
                f'{scrapy_path}/{project_name}/{project_name}/spiders/{spider_name}.py')
    # 创建主文件
    with open(f'{scrapy_path}/{project_name}/main.py', "w+", encoding="utf-8") as fp:
        text = f"from scrapy import cmdline\ncmdline.execute('scrapy crawl {spider_name}'.split())"
        fp.write(text)
    print("scrapy框架创建成功！".strip())

if __name__ == "__main__":
    scrapy_path = os.getcwd()
    name=INPUT()
    project_name =name['project_name']
    spider_name =name['spider_name']
    main_url=name['main_url']
    start_project(scrapy_path,project_name,spider_name,main_url)
    config(scrapy_path, project_name)

#文件介绍
#该框架默认创建在该py文件下
#mian.py可直接执行scrapy框架,不用输入繁琐的cmd命令
#直接对框架中的文件进行修改即可