Python爬蟲遞迴呼叫爬取動漫美女圖片

pythonlaodi發表於2020-10-19
Python爬蟲遞迴

效果

 

 

程式碼,碼雲地址

import datetime
import os
import random

from lxml import etree

url_src='https://www.nvshens.org'
user_agent = [
    "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/22.0.1207.1 Safari/537.1",
    "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.6 (KHTML, like Gecko) Chrome/20.0.1092.0 Safari/536.6",
    "Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.6 (KHTML, like Gecko) Chrome/20.0.1090.0 Safari/536.6",
    "Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/19.77.34.5 Safari/537.1",
    "Mozilla/5.0 (Windows NT 6.0) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.36 Safari/536.5",
    "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1063.0 Safari/536.3",
    "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1063.0 Safari/536.3",
    "Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1062.0 Safari/536.3",
    "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1062.0 Safari/536.3",
    "Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1061.1 Safari/536.3",
    "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1061.1 Safari/536.3",
    "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1061.1 Safari/536.3",
    "Mozilla/5.0 (Windows NT 6.2) AppleWebKit/536.3 (KHTML, like Gecko) Chrome/19.0.1061.0 Safari/536.3",
    "Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/535.24 (KHTML, like Gecko) Chrome/19.0.1055.1 Safari/535.24"
    ]
start = datetime.datetime.now()
headers={
    "User-Agent": random.choice(user_agent)
    , "Referer": "http://pic.netbian.com/4kdongman/"
}
# !/usr/bin/env python
# encoding=utf-8

import  urllib
import image
from io import StringIO

# encoding=utf-8

import requests
from io import BytesIO
from PIL import Image

url = 'http://pic.netbian.com/4kdongman/'
# response = requests.get(url)
# tmpIm = BytesIO(response.content)
# im = Image.open(tmpIm)
#
# # 長寬儲存在im當中的size列表當中
# w = im.size[0]
# h = im.size[1]
def get_html(url):
    response=requests.get(url,headers=headers)
    response.encoding='gbk'#response.apparent_encoding#設定成頁面一樣的編碼
    print("正在請求的url:"+url)
    if response.status_code ==200:
        html=etree.HTML(response.text)
        return html
suffix=['jpg','png','git']
def get_page_name(html):
    if html is not None:
        page_name=html.xpath('//title/text()')
        return page_name[0]



src_url='http://pic.netbian.com'

globals_href=set()

def get_this_page_all_href(html):
    href_list=html.xpath('//child::*/@href')
    need_href=set()
    for i in href_list:
        if   len(i)>3 and i[0]=='/' and('youxi'in i or 'dongman'in i or 'tupian'in i):
            if len(globals_href) <=globals_max_href and src_url+i not in globals_href:#最大請求globals_max_href 個href
                href=src_url+i
                need_href.add(href)
                globals_href.add(href)
    print(f'目前叢集有{len(globals_href)}個有效超連結')
    print(f'本頁面有{len(need_href)}個有效超連結')
    print(need_href)
    for i in need_href:
        get_this_page_all_href(get_html(i))

globals_img_urls=set()

def find_this_page_imgs_and_save_img(url):
    html = get_html(url)
    if html is not None:
        page_name=get_page_name(html)  # 找到page名字
        get_this_page_all_href(html)  # 找到本頁所有超連結
    src_list=html.xpath('//child::*[@src and @alt]/@src')
    alt_list=html.xpath('//child::*[@src and @alt]/@alt')
    img_info=dict(zip(src_list,alt_list))
    print('-'*30)
    print(img_info)
    print('頁面標題：'+page_name)
    print('-' * 30)
    valid_img_urls=set()
    for i in img_info.keys():
        if len(i)>3 and i.endswith('.jpg') and src_url+i not in globals_href:
            img_url=src_url+i
            valid_img_urls.add(img_url)
            globals_img_urls.add(img_url)
            save_img(img_url,page_name,img_info[i])
    print(f'本頁有{len(valid_img_urls)}個有效圖片')
    print(f'目前叢集有{len(globals_img_urls)}個有效圖片')

dir=r'X:\Users\SwordArtOnline\Desktop\爬蟲\dongman\\'

def save_img(img_url,page_name,img_name):
    response=requests.get(img_url,headers=headers)
    img_conten=response.content
    save_path=dir+page_name+'\\'
    tmp_img=BytesIO(img_conten)
    img=Image.open(tmp_img)
    w=img.size[0]
    h=img.size[1]
    if not os.path.exists(save_path):
        os.makedirs(save_path)
        print('成功建立目錄：'+save_path)
    img_name=save_path+img_name+f'_本圖片尺寸_{w}x{h}.jpg'
    with open(img_name,'wb') as f:
        f.write(img_conten)
        print(f'成功儲存第{len(globals_img_urls)}圖片：'+img_name)
globals_max_href=100
if __name__ == '__main__':
    find_this_page_imgs_and_save_img(url)
    for i in globals_href:
        find_this_page_imgs_and_save_img(i)
    print(f'叢集總共{len(globals_href)}有效超連結')

 

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