Traceback (most recent call last): File "D:/新建文件夹/腾讯游戏评价.py", line 17, in <module> print(i[4]) TypeError: '_csv.reader' object is not subscriptable

时间: 2024-01-01 10:42:50 浏览: 79

python.demo.py

文件： import scrapy from demo1.items import Demo1Item import urllib from scrapy import log # BOSS直聘网站爬虫职位 class DemoSpider(scrapy.Spider): # 爬虫名，启动爬虫时需要的参数*必填 name = 'demo' # 爬取域范围，允许爬虫在这个域名下进行爬取（可选） allowed_domains = ['zhipin.com'] # 爬虫需要的url start_urls = ['https://www.zhipin.com/c101280600/h_101280600/?query=测试'] def parse(self, response): node_list = response.xpath("//div[@class='job-primary']") # 用来存储所有的item字段 # items = [] for node in node_list: item = Demo1Item() # extract() 将xpath对象转换为Unicode字符串 href = node.xpath("./div[@class='info-primary']//a/@href").extract() job_title = node.xpath("./div[@class='info-primary']//a/div[@class='job-title']/text()").extract() salary = node.xpath("./div[@class='info-primary']//a/span/text()").extract() working_place = node.xpath("./div[@class='info-primary']/p/text()").extract() company_name = node.xpath("./div[@class='info-company']//a/text()").extract() item['href'] = href[0] item['job_title'] = job_title[0] item['sa 报错： C:\Users\xieqianyun\AppData\Local\Programs\Python\Python36\python.exe "C:\Users\xieqianyun\PyCharm Community Edition 2019.2.5\helpers\pydev\pydevconsole.py" --mode=client --port=55825 import sys; print('Python %s on %s' % (sys.version, sys.platform)) sys.path.extend(['C:\\Users\\xieqianyun\\demo1', 'C:/Users/xieqianyun/demo1']) Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 17:00:18) [MSC v.1900 64 bit (AMD64)] Type 'copyright', 'credits' or 'license' for more information IPython 7.10.0 -- An enhanced Interactive Python. Type '?' for help. PyDev console: using IPython 7.10.0 Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 17:00:18) [MSC v.1900 64 bit (AMD64)] on win32 runfile('C:/Users/xieqianyun/demo1/demo1/begin.py', wdir='C:/Users/xieqianyun/demo1/demo1') Traceback (most recent call last): File "C:\Users\xieqianyun\AppData\Local\Programs\Python\Python36\lib\site-packages\IPython\core\interactiveshell.py", line 3319, in run_code exec(code_obj, self.user_global_ns, self.user_ns) File "<ipython-input-2-fc5979762143>", line 1, in <module> runfile('C:/Users/xieqianyun/demo1/demo1/begin.py', wdir='C:/Users/xieqianyun/demo1/demo1') File "C:\Users\xieqianyun\PyCharm Community Edition 2019.2.5\helpers\pydev\_pydev_bundle\pydev_umd.py", line 197, in runfile pydev_imports.execfile(filename, global_vars, local_vars) # execute the script File "C:\Users\xieqianyun\PyCharm Community Edition 2019.2.5\helpers\pydev\_pydev_imps\_pydev_execfile.py", line 18, in execfile exec(compile(contents+"\n", file, 'exec'), glob, loc) File "C:/Users/xieqianyun/demo1/demo1/begin.py", line 3, in <module> cmdline.execute('scrapy crawl demo'.split()) File "C:\Users\xieqianyun\AppData\Local\Programs\Python\Python36\lib\site-packages\scrapy\cmdline.py", line 145, in execute cmd.crawler_process = CrawlerProcess(settings) File "C:\Users\xieqianyun\AppData\Local\Programs\Python\Python36\lib\site-packages\scrapy\crawler.py", line 267, in __init__ super(CrawlerProcess, self).__init__(settings) File "C:\Users\xieqianyun\AppData\Local\Programs\Python\Python36\lib\site-packages\scrapy\crawler.py", line 145, in __init__ self.spider_loader = _get_spider_loader(settings) File "C:\Users\xieqianyun\AppData\Local\Programs\Python\Python36\lib\site-packages\scrapy\crawler.py", line 347, in _get_spider_loader return loader_cls.from_settings(settings.frozencopy()) File "C:\Users\xieqianyun\AppData\Local\Programs\Python\Python36\lib\site-packages\scrapy\spiderloader.py", line 61, in from_settings return cls(settings) File "C:\Users\xieqianyun\AppData\Local\Programs\Python\Python36\lib\site-packages\scrapy\spiderloader.py", line 25, in __init__ self._load_all_spiders() File "C:\Users\xieqianyun\AppData\Local\Programs\Python\Python36\lib\site-packages\scrapy\spiderloader.py", line 47, in _load_all_spiders for module in walk_modules(name): File "C:\Users\xieqianyun\AppData\Local\Programs\Python\Python36\lib\site-packages\scrapy\utils\misc.py", line 73, in walk_modules submod = import_module(fullpath) File "C:\Users\xieqianyun\AppData\Local\Programs\Python\Python36\lib\importlib\__init__.py", line 126, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "<frozen importlib._bootstrap>", line 994, in _gcd_import File "<frozen importlib._bootstrap>", line 971, in _find_and_load File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked File "<frozen importlib._bootstrap>", line 665, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 678, in exec_module File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed File "C:\Users\xieqianyun\demo1\demo1\spiders\demo.py", line 4, in <module> from scrapy import log ImportError: cannot import name 'log'

这是一个Python的错误信息，看起来是在读取CSV文件时出现的问题。错误信息中提示我们无法对"_csv.reader"对象进行切片操作，这是因为"_csv.reader"对象是一个迭代器，不支持切片操作。你需要检查一下代码，确认是否正确地使用了CSV库中的reader函数，并且在使用迭代器时需要注意不能进行切片操作。如果需要读取CSV文件中的某一列数据，可以先将整个列读入内存，再进行切片操作。

阅读全文

Traceback (most recent call last): File "D:/新建文件夹/腾讯游戏评价.py", line 17, in <module> print(i[4]) TypeError: '_csv.reader' object is not subscriptable

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