python百度图片搜索API源码，一段简单的图片爬虫程序。通过输入关键词，在百度图片中搜索相关图片，并返回一张随机的图片。
代码使用Flask框架搭建了一个简单的Web应用，将用户输入的关键词作为参数传递给爬虫程序，然后从百度图片中获取相关图片的URL并随机选择一张返回给用户。
用户可以通过访问Web应用的首页，在输入框中输入关键词进行搜索。如果找到相关图片，则会跳转到图片的URL，如果未找到图片，则会显示无法正常查找的提示信息。
将代码发布到服务器上，就可以用markdown格式![image]服务器域名/?word=关键字来显示搜索的图片。
import argparse
import os
import re
import sys
import urllib
import json
import socket
import urllib.request
import urllib.parse
import urllib.error
import random
# 设置超时
import time
from flask import Flask, redirect, request, make_response
import random
timeout = 5
socket.setdefaulttimeout(timeout)
import ssl
ssl._create_default_https_context = ssl._create_unverified_context
class Crawler:
# 睡眠时长
__time_sleep = 0.1
__amount = 0
__start_amount = 0
__counter = 0
headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0', 'Cookie': ''}
__per_page = 30
# 获取图片url内容等
# t 下载图片时间间隔
def __init__(self, t=0.1):
self.time_sleep = t
# 获取后缀名
@staticmethod
def get_suffix(name):
m = re.search(r'\.[^\.]*$', name)
if m.group(0) and len(m.group(0)) <= 5:
return m.group(0)
else:
return '.jpeg'
@staticmethod
def handle_baidu_cookie(original_cookie, cookies):
"""
:param string original_cookie:
:param list cookies:
:return string:
"""
if not cookies:
return original_cookie
result = original_cookie
for cookie in cookies:
result += cookie.split(';')[0] + ';'
result.rstrip(';')
return result
# 开始获取
def get_images(self, word):
search = urllib.parse.quote(word)
pn = self.__start_amount
image_urls = []
while pn < self.__amount:
url = 'https://image.baidu.com/search/acjson?tn=resultjson_com&ipn=rj&ct=201326592&is=&fp=result&queryWord=%s&cl=2&lm=-1&ie=utf-8&oe=utf-8&adpicid=&st=-1&z=&ic=&hd=&latest=©right=&word=%s&s=&se=&tab=&width=&height=&face=0&istype=2&qc=&nc=1&fr=&expermode=&force=&pn=%s&rn=%d&gsm=1e&1594447993172=' % (
search, search, str(pn), self.__per_page)
try:
time.sleep(self.time_sleep)
req = urllib.request.Request(url=url, headers=self.headers)
page = urllib.request.urlopen(req)
self.headers['Cookie'] = self.handle_baidu_cookie(self.headers['Cookie'],
page.info().get_all('Set-Cookie'))
rsp = page.read()
page.close()
except UnicodeDecodeError as e:
print(e)
print('-----UnicodeDecodeErrorurl:', url)
except urllib.error.URLError as e:
print(e)
print("-----urlErrorurl:", url)
except socket.timeout as e:
print(e)
print("-----socket timout:", url)
else:
rsp_data = json.loads(rsp, strict=False, object_hook=lambda d: {k: urllib.parse.unquote(v) if isinstance(v, str) else v for k, v in d.items()})
if 'data' not in rsp_data:
continue
else:
for image_info in rsp_data['data']:
if 'thumbURL' in image_info:
thumb_url = image_info['thumbURL']
image_urls.append(thumb_url)
pn += self.__per_page
return image_urls
def start(self, word):
self.__per_page = 30
self.__start_amount = 0
self.__amount = self.__per_page
return self.get_images(word)
app = Flask(__name__)
@app.route("/")
def index():
word = request.args.get('word')
if word:
crawler = Crawler(0.1) # 抓取延迟为 0.1
image_urls = crawler.start(word)
if image_urls:
image_url = random.choice(image_urls)
# 返回图片的 URL
return redirect(image_url)
return """
<!DOCTYPE html>
<html>
<body>
<h1>无法正常查找</h1>
</body>
</html>
"""
if __name__ == '__main__':
app.run()