Program requirements
The goal of pig farm environmental monitoring is to maintain a good pig farm internal environment, indoor and outdoor temperature, humidity, carbon dioxide concentration,
Category: Web Crawler
Web crawlers (also known as web spiders, web robots, in the FOAF community, and more often web chases) are programs or scripts that automatically crawl information on the World Wide Web in accordance with certain rules. Other less commonly used names are ants, automatic indexing, simulators, or worms.
Talk about anti-reptile “policy and countermeasures”
Writing a blog is partly to allow me to quickly review the knowledge I have learned before and to organize my ideas; the other is to help other children’s shoes who have encountered similar problem
Link split and combination in reptile
from urllib.parse import urlencode, quotefrom oauthlib.common import urldecodedef decodeUrl(url): “”” :param url: Pass in a link to be decoded: return: output tuple url, a dictionary containing par
The crawler encountered some problems
After the code optimization of golang Climbing Zhenai.com, the following error was reported after running. It took half an hour to find the reason. Record it here.
The code is like this:< /p>
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#coding:utf-8 span>
import requests
import json
from lxml import etree
import threading
from queue import Queue
class QiushiSpide(object):
def __init__(self):
self.url_tmp = “https://www.
Reptile
requests module import requests
response=requests.get(‘https://www.baidu .com’)
print(response.text) import requests
# requests.get()
# requests.post()
# requests.head()
# Like get, pos
Reptile verification code processing and IP processing
Introduction When the relevant portal website logs in, if the user logs in more than 3 or 5 times in a row, it will be dynamically generated on the login page Verification code. Through the verifi
Reptile Related Basic Technology Paper — Multi-Thread Thread and Queu Queue Application
from queue import< span style="color: #000000;"> Queue
from threading import Thread
class mydownloader(Thread):
def __init__(self,queue):
Thread.__init__(self)
self.queue = queue
def run(
Reptile Series —- SCRAPY Crawling Web Page Initial
A basic process Create a project, the project name is (cmd): firstblood: scrapy startproject firstblood Enter the project directory (cmd): cd :./firstblood Create a crawler file (cmd): scrapy gens
Reptral high performance related
High performance related How to achieve multiple tasks at the same time and high efficiency
The lowest efficiency is the most undesirable
import requests
urls = [
‘http://www.baidu