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如何应用限制以获得10个结果

白鹭 - 2022-02-10 1986 0 0

我试图刮images他们会给我的23 images但我不想申请limit他们只会给我 10 张图片你能帮我解决这些问题吗

    import requests
    from bs4 import BeautifulSoup
    import pandas as pd
    baseurl='https://twillmkt.com'
    headers ={
        'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36'
    }
    r =requests.get('https://twillmkt.com/collections/denim')
    soup=BeautifulSoup(r.content, 'html.parser')
    tra = soup.find_all('div',class_='ProductItem__Wrapper')
    productlinks=[]
    for links in tra:
        for link in links.find_all('a',href=True):
            comp=baseurl link['href']
            productlinks.append(comp)
    
    data = []
    
    for link in set(productlinks):
        r =requests.get(link,headers=headers)
        soup=BeautifulSoup(r.content, 'html.parser')
        up = soup.find('div',class_='Product__SlideshowNavScroller')
        for e,pro in enumerate(up):
            t=pro.find('img').get('src')
            data.append({'id':t.split('=')[-1], 'image':'Image ' str(e) ' UI','link':t})
            
    df = pd.DataFrame(data)
    df.image=pd.Categorical(df.image,categories=df.image.unique(),ordered=True)
    df = df.pivot(index='id', columns='image', values='link').reset_index().fillna('')
    df.to_csv('kj.csv')

uj5u.com热心网友回复:

将影像的结果集切片 [:10]

...
up = soup.select('div.Product__SlideshowNavScroller img')[:10]
for e,pro in enumerate(up):
    t=pro.get('src')
    data.append({'id':t.split('=')[-1], 'image':'Image ' str(e) ' UI','link':t})
...

如果您想从 1 而不是 0 开始命名影像:

...
up = soup.select('div.Product__SlideshowNavScroller img')[:10]
for e,pro in enumerate(up, start=1):
    t=pro.get('src')
    data.append({'id':t.split('=')[-1], 'image':'Image ' str(e) ' UI','link':t})
...

编辑

好的明白了 - 行为不是基于影像数量,这里的问题是 id 不是唯一的,它不是产品的 id/sku。

怎么修?

让我们从产品中选择 sku 并将其用作资料帧中的 id:

sku = soup.select_one('.oos_sku').text.strip().split(' ')[-1]
for e,pro in enumerate(up, start=1):
    t=pro.get('src')
    data.append({'id':sku, 'image':'Image ' str(e) ' UI','link':t})

例子

import requests
from bs4 import BeautifulSoup
import pandas as pd
baseurl='https://twillmkt.com'
headers ={
    'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36'
}
r =requests.get('https://twillmkt.com/collections/denim')
soup=BeautifulSoup(r.content, 'html.parser')
tra = soup.find_all('div',class_='ProductItem__Wrapper')
productlinks=[]
for links in tra:
    for link in links.find_all('a',href=True):
        comp=baseurl link['href']
        productlinks.append(comp)

data = []

for link in set(productlinks):
    r =requests.get(link,headers=headers)
    soup=BeautifulSoup(r.content, 'html.parser')
    up = soup.select('div.Product__SlideshowNavScroller img')
    sku = soup.select_one('.oos_sku').text.strip().split(' ')[-1]
    for e,pro in enumerate(up, start=1):
        t=pro.get('src')
        data.append({'id':sku, 'image':'Image ' str(e) ' UI','link':t})

df = pd.DataFrame(data)
df.image=pd.Categorical(df.image,categories=df.image.unique(),ordered=True)
df = df.pivot(index='id', columns='image', values='link').reset_index().fillna('')
df#.to_excel('test.xlsx')

输出

ID 图 1 用户界面 图 2 用户界面 图 3 用户界面 图 4 用户界面 图 5 用户界面 图 6 用户界面 图 7 用户界面 图 8 用户界面 图 9 用户界面 图 10 用户界面 图 11 用户界面 图 12 用户界面 图 13 用户界面 图 14 用户界面 图 15 用户界面 图 16 用户界面 图 17 用户界面 图 18 用户界面 图 19 用户界面 图 20 用户界面 图 21 用户界面 图 22 用户界面 图 23 用户界面 图 24 用户界面
0 LOTFEELPJ023-30 //cdn.shopify.com/s/files/1/0089/7912/0206/products/Blue-Ripped-Knee-Distressed-Skinny-Denim_160x.jpg?v=1631812617 //cdn.shopify.com/s/files/1/0089/7912/0206/products/Blue-Ripped-Knee-Distressed-Skinny-Denim-2_160x.jpg?v=1631812617 //cdn.shopify.com/s/files/1/0089/7912/0206/products/Blue-Ripped-Knee-Distressed-Skinny-Denim-3_160x.jpg?v=1631812617 //cdn.shopify.com/s/files/1/0089/7912/0206/products/Blue-Ripped-Knee-Distressed-Skinny-Denim-4_160x.jpg?v=1631812617 //cdn.shopify.com/s/files/1/0089/7912/0206/products/Blue-Ripped-Knee-Distressed-Skinny-Denim-5_160x.jpg?v=1631812617 //cdn.shopify.com/s/files/1/0089/7912/0206/products/Blue-Ripped-Knee-Distressed-Skinny-Denim-6_160x.jpg?v=1631812617 //cdn.shopify.com/s/files/1/0089/7912/0206/products/Blue-Ripped-Knee-Distressed-Skinny-Denim-7_160x.jpg?v=1631812617 //cdn.shopify.com/s/files/1/0089/7912/0206/products/Blue-Ripped-Knee-Distressed-Skinny-Denim-8_160x.jpg?v=1631812617 //cdn.shopify.com/s/files/1/0089/7912/0206/products/Blue-Ripped-Knee-Distressed-Skinny-Denim-9_160x.jpg?v=1631812617 //cdn.shopify.com/s/files/1/0089/7912/0206/products/Blue-Ripped-Knee-Distressed-Skinny-Denim-10_160x.jpg?v=1631812617 //cdn.shopify.com/s/files/1/0089/7912/0206/products/Blue-Ripped-Knee-Distressed-Skinny-Denim-11_160x.jpg?v=1631812617
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ...
47 LOTFEELPJ564-S-BRN //cdn.shopify.com/s/files/1/0089/7912/0206/products/LOTFEELPJ564_16_160x.jpg?v=1639467815 //cdn.shopify.com/s/files/1/0089/7912/0206/products/LOTFEELPJ564_17_160x.jpg?v=1639467815 //cdn.shopify.com/s/files/1/0089/7912/0206/products/LOTFEELPJ564_22_160x.jpg?v=1639467815 //cdn.shopify.com/s/files/1/0089/7912/0206/products/LOTFEELPJ564_15_160x.jpg?v=1639467815 //cdn.shopify.com/s/files/1/0089/7912/0206/products/LOTFEELPJ564_6_160x.jpg?v=1639467815 //cdn.shopify.com/s/files/1/0089/7912/0206/products/LOTFEELPJ564_9_160x.jpg?v=1639467815 //cdn.shopify.com/s/files/1/0089/7912/0206/products/sizechart-stretch-pants_3_ec7e0b0c-1043-4306-a766-33f7e0b3edc8_160x.png?v=166994677
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