优化这段代码: for x,y,m,t in zip(url2_list,language_list,placement_list,content_html): yuming=x.replace('http://www.','').replace('https://www.','').replace('http://','').replace('https://','').rstrip('/') language=y placement_price=m.replace('\n','').replace(' ','') # article_price=n.replace('\n','').replace(' ','') # price=z.replace('\n','').replace(' ','') categories_list= t.xpath('.//span[@class="badge badge-soft-primary fs--1 mb-1 ml-2"]/text()') categories_list ='、'.join(categories_list) last = [p, language, 'icopify.co', yuming, '', '', categories_list,'','平台', placement_price,''] # last = [p,yuming, language,categories_list,price] print(last) with open('icopify.co.1.csv', 'a+', newline='', encoding='utf_8_sig') as fp: writer = csv.writer(fp) writer.writerow(last)
时间: 2024-01-08 10:03:23 浏览: 129
根据您提供的代码片段,我可以为您进行一些优化。首先,您可以使用更简洁的方法来替换多个字符串。另外,将文件写入操作放在循环之外,减少频繁的文件写入操作。以下是优化后的代码:
```python
import csv
result = []
for x, y, m, t in zip(url2_list, language_list, placement_list, content_html):
yuming = x.lstrip('http://').lstrip('https://').lstrip('www.').rstrip('/')
language = y
placement_price = m.replace('\n', '').replace(' ', '')
categories_list = t.xpath('.//span[@class="badge badge-soft-primary fs--1 mb-1 ml-2"]/text()')
categories_list = '、'.join(categories_list)
last = [p, language, 'icopify.co', yuming, '', '', categories_list, '', '平台', placement_price, '']
result.append(last)
with open('icopify.co.1.csv', 'a+', newline='', encoding='utf_8_sig') as fp:
writer = csv.writer(fp)
writer.writerows(result)
```
在优化后的代码中,我使用了`lstrip()`方法来替换多个字符串前缀,并将每次循环的结果存储在`result`列表中。最后,将整个`result`列表写入CSV文件中,避免了频繁的文件写入操作。
请确保已经正确导入所需的模块,并根据您的实际情况进行适当的调整和修改。
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