Table of Contents Urllib basic operations-GET ?No UTF-8 encoded output ?Output after utf-8decode ? Timeout parameter: capture exceptions caused by connection timeout ◆Basic operation of Urllib-customized request header ? Add multiple access parameters to the GET request ◆Basic operation of Urllib-POST ?Youdao Dictionary web crawling: Headers of the found data packets can record the relevant […]
Tag: urllib
urllib+BeautifulSoup crawls and parses 2345 Weather King historical weather data
urllib + BeautifulSoup crawls and parses 2345 Weather King historical weather data Website: Dongcheng Historical Weather Query_Historical Weather Forecast Query_2345 Weather Forecast 1. Code import json import logging import urllib.parse from datetime import date, datetime from random import randint from time import sleep importpymysql from bs4 import BeautifulSoup #Define target URL import requests def weather_req(): […]
Python10-Use urllib module to process URLs
Python10-Use the urllib module to process URLs 1.url library description 2.urllib.request 2.1urlopen 2.2urlretrieve 2.3Request 2.4 Example 3.urllib.parse 3.1urlparse 3.2urlunparse 3.3urlencode 3.4quote 3.5unquote 3.6 Example 1.url library description urllib is a module in the Python standard library that provides functions for processing URLs (Uniform Resource Locator). It contains some sub-modules, such as urllib.request (open and read […]
Solve urllib.error.URLError urlopen error Errno 11004 getaddrinfo failed
Table of Contents Solve urllib.error.URLError urlopen error Errno 11004 getaddrinfo failed wrong reason solution 1. Check the correctness of the URL 2. Check network connection 3. Use IP address instead of hostname 4. Use other network libraries in conclusion function definition function function Usage example Solving urllib.error.URLError urlopen error Errno 11004 getaddrinfo failed When doing […]
Solving ModuleNotFoundError: No module named urllib2
Table of Contents Solving ModuleNotFoundError: No module named ‘urllib2’ Method 1: Use the urllib.request module instead of urllib2 Method 2: Use the six library to achieve compatibility 1. Send a GET request 2. Send a POST request 3. Process request header information 4. Handle exceptions Solving ModuleNotFoundError: No module named ‘urllib2’ When writing programs in […]
Python Urllib: The powerful functions and flexible use of the network library (stdlib)
When we talk about network programming in Python, the built-in library Urllib is undoubtedly the one we should focus on. Urllib provides Python developers with a comprehensive and easy-to-use API for handling network requests and data transfer. With Urllib, we can send HTTP requests, perform URL encoding and decoding, handle cookies and sessions, etc. Below, […]
python self (2) slice dictionary traverse delete add modify query definition function function return value scope serialization exception error urllib uses one type and six methods to download video audio picture
Slice # # Slice # s = ‘hello word’ # # The subscript index is 0 # print(s[0]) #h # # Left closed and right open (left starts with the subscript, right is several index values), for example, 4 index values starting from 0 # print(s[0:4]) #hell # # Change the starting position of the […]
Python – urllib library
urllib is a built-in Python library for handling network requests. 1. Basic usage 2. One type and 6 methods 2.1 A type The type returned by the urlopen method in urllib’s request library: . In order to distinguish it from the request library later. 2.2 6 methods read() method: Get the response text and read […]
get request and post request in urllib
Customization of request object import urllib.request url = ‘https://www.baidu.com’ # Composition of url # https://www.baidu.com/s?wd=Jay Chou # http/https www.baidu.com 80/443 s wd = Jay Chou # # Protocol host port number path parameter anchor point #http80 #https443 # mysql 3306 #oracle 1521 #redis 6379 #mongodb 27017 headers = { ‘User-Agent’: ‘Mozilla/5.0 (Windows NT 10.0; Win64; […]
002requests module and urllib module
Article directory urllib module urllib understands (c1) **Details of urllib.request module** Commonly used methods (C21) UA format and acquisition method (C21) urllib web page request operation (C31) urllib.parse module in detail Common Methods (C21) urlencode and quote combat (C31) Example analysis of urllib saving pictures (C1) Requests module Introduction to Requests (C1) pip install third-party […]