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'), which represents the conversion of GB2312 encoded string str1 to UnicodeStr2.encode (' gb2312 '), which represents the conversion of a Unicode-encoded string str2 to gb2312 encoding.Transcoding must first understand, the string str is what encoding, and then decode into Unicode, and then encode into other encodings, in UTF8 file, the string is UTF8 encoding, if it is in GBK file, it is encoded as GBK. In this case, to encode the conversion, you need to first convert it to Unicode encoding u

Python uses the urllib2 module to implement resumable download. This example describes how to use the urllib2 module in Python to implement resumable download. Share it with you for your reference. The specific analysis is as follows: When using HTTP for download, you only

When you develop in Python (Windows environment), you will encounter the need to install a version of the Third-party library, in order to find later, easy to install, summed up as follows: Windows version of the various Python library installation package download address: http://www.lfd.uci.edu/~gohlke/pythonlibs/ First, open cmd Second, the current direc

The example of this article describes the Python-based urllib implementation according to Baidu Music classification download mp3 method. Share to everyone for your reference. The implementation method is as follows: #!/usr/bin/env python#-*-coding:utf-8-*-import urllibimport rebaseurl = "http://music.baidu.com" url = "http// music.baidu.com/search/tag?key= Cla

How to download stock market information using Python This example describes how to download stock information from Python. Share it with you for your reference. The details are as follows: This program downloads stock information from yahoo financial. ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

(File_data)F.close ()Print "Upload file complete ..."ElseFile_path = raw_input ("Please input your Get_file_path:")Sock.send (File_path)File_name,file_size = Sock.recv (1024x768). Split (' | ')Get_file_path = ['/root/', file_name]Get_file_path = ". Join (Get_file_path)Sock.send ("Can start sending, ready")Recv_size = 0f = open (Get_file_path, ' WB ')While not int (file_size) = = Recv_size:if int (int (file_size)-recv_size) > 1024:Rdata = SOCK.RECV (1024)Recv_size + = Len (rdata)ElseRdata = sock

# File Download method from urllib.request import urlretrieveimport requests# first urlimage = ' https://www.python.org/ftp/python/ 3.6.5/python-3.6.5.tar.xz ' Urlretrieve (urlimage, "logo.tar.xz") #第二ir = Requests.get (urlimage, stream=true) print ( Ir.status_code) If Ir.status_code = =: with open (' Logo2.tar.xz ', ' WB ') as F: For chunk in IR:

= FobjThreading. Thread.__init__ (self) def run (self):"""Just a vest."""With Lock:print ' starting:%s '% self.getname ()Self._download () def _download (self):"""I'm the one who moved bricks."""req = Urllib2. Request (Self.url)# Add HTTP Header (range) to set the range of download datareq.headers[' Range ' = ' bytes=%s-%s '% (self.start_size, self.end_size)F = Urllib2.urlopen (req)# initializes the current thread file object offsetoffset = Self.

Label:Mysql-python installation package: Http://sourceforge.net/projects/mysql-python/files/latest/download Linux environment is Centos6.6, python2.6.6 　　 The first thing that could go wrong: 1, I download the good file, enter the CD command to go to the installed directory folder, and then use

Django is an open-source Web application framework written by Python. The MVC Software Design pattern is used, i.e. model M, view V and Controller C.It was originally developed to manage some of the news content-based websites of the Lawrence Publishing Group, namely CMS (Content management system) software.and was released in July 2005 under the BSD license. The framework is named after the Belgian gypsy jazz guitarist Django Reinhardt.--Baidu Encycl

Background: The recent pressure is some big, want to play some games to relax, go to the Mac forum download, found that need various permissions, so the egg hurts.So, I checked the discuz! on the Internet. x3.1 hack, manual replacement, found that "link expired" appears. So write the following procedure.0. Copy the following code into your Python IDE.1. Advanced Web page, Chrome browser View page elements,

This article describes how to download all images from a specified URL in python. It involves Python's skills in page reading, traversing, and file operations. It has some reference value, for more information about how to download all images from a specified URL in python, see the following example. Share it with you

Python Download: www.python.org This is the official website.Now Python updates to 3.6, please download the latest (note the download is 32-bit, or 64-bit)https://www.python.org/downloads/release/python-360/Install after

Disclaimer: The following code, Python version 3.6 runs flawlesslyFirst, the idea introductionDifferent image sites have different anti-crawler mechanisms, depending on the specific site to take the corresponding method1. Browser browsing analysis Address change law2. Python test class Gets the Web page content to get the image address3. Python test class

=200 Small Bow A 3.http://tieba.baidu.com/f?kw=%e5%a3%81%e7%ba%b8ie=utf-8tab=good Boutique Wallpaper the " " +Pattern = R'a href= "(. p.[0-9]*)"' #Regular expression to crawl the URL of Level two Web page -Urllist = Re.findall (pattern, HTML)#Crawl All Level two Web URLs and return to list $Urllist = List (set (Urllist))#Delete a duplicate Level Two Web page URL $Preurl = R'http://tieba.baidu.com' #prefix URLs for level two web URLs - Print 'Crawl%d level two pages \ n'%Len (urllist) - th

Use Python+xpath to get the download link for https://pypi.python.org/pypi/lxml/2.3/:After using requests to get the HTML, analyze the tags found in HTML to find the link in They were then givenclass="Odd"> and class=" even"> content, which can be written as XPath when using XPath ('//table[@class = ' list ']/ tr[@class = "even" or "odd"]/td/span/a[1]/@href ') Import reImport requestsImport Urllib2From lxm

First, open the Python official website python.org Download the latest version python3.6 64-bit Windows executable file under Windows, click Download Install the latest version python2.7 download python2.7 Install the path of installationAdd environment variables to allow Pyhton3 and Python2 to switch freely Copy an py

Today, I wrote a download of the Korean Han Sina blog post with Python, the basic functions are as follows:1. Download articles in bulk from Sina blog and create files by article title2, the download of the article format.Known bugs: Lengthy article format will be garbled1 #!/usr/bin/python2 #-*-coding:utf-8-*-3 4 Impo

There are a number of RFC documents that sometimes want to flip through without networking, and can only download a copy of the Local.Look at the address list, which is probably the range:Http://www.networksorcery.com/enp/rfc/rfc1000.txt...Http://www.networksorcery.com/enp/rfc/rfc6409.txt Haha, very suitable for bulk download, the first thought is the thunderbolt ...When available, I found that it only sup

ImportReImporturllib.request#------ways to get Web page source code---defgethtml (URL): page=urllib.request.urlopen (URL) HTML=Page.read ()returnHTML#Enter the URL of any post------gethtml ()------html = gethtml ("https://tieba.baidu.com/p/5352556650")#------Modify the character encoding within the HTML object to UTF-8------html = Html.decode ('UTF-8')#------How to get all the picture addresses in a post------defgetimg (HTML):#------Use regular expressions to match Web page content to find a pic