This article describes writing a multithreaded HTTP downloader using Python and generating an. exe executable file.Environment : Windows/linux + python2.7.xSingle Threadintroduce a single thread before you introduce multithreading. The idea of writing a single thread is:
Parse URL;
Connect to the Web server;
Constructs an HTTP request packet;
Download the file.
This is followed by a code description.parsing URLsParsed by th
Preface : See the title may be people feel familiar, yes, this blog post is based on Yang Zhengko teacher's "Baidu Beautiful picture Downloader development tutorial." NET version ". Because I also watched the tutorial, feel very fun, and then want to self-completed once, as the previous basic Learning content review and use. In the form of blog and everyone to share the whole development process is to take this opportunity to re-organize ideas, exerci
Web Downloader: Download the Web page URL on the Internet to a local toolStore URL pages in the Internet via the Web downloader to a local or memory stringWhat kinds of Web downloader do python have?1.urllib2 Python official Base module2.requests Python third-party package is more powerfulUrllib2 download Page Method 1: The most concise methodURL-----------------
first byte and the position of the last byte, such as 1-12, if the second number is omitted, it is considered to be the last, such as 36-
# Range Test CodeImport requests# HTTP header information, specifying get first 15,000 bytesheaders={' Range ': ' bytes=0-15000 ', ' accept-encoding ': ' * '}Res=requests.get (' http://51reboot.com/src/blogimg/pc.jpg ', headers=headers)
With open (' Pc.jpg ', ' W ') as F:F.write (res.content)We got the first 15,000 bytes of the Avatar, the following figure,
. net mass downloader if mass is regarded as a word, the software name can be translated as a "Block downloader". Do you want to split the files into blocks for separate download? However, the true meaning of mass is the meaning of "multiple access Switching System" (mass), which divides a single download process into multiple connections, A connection is responsible for downloading a small part of the task
PHP implementation of the CSS file background image Downloader code,
This article describes the PHP implementation of the CSS file background image Downloader code. Share to everyone for your reference. The implementation method is as follows:
Download CSS files inside the background image is the long-term activities of our pirates, download a CSS Image downloader
a pointer-type variable that points to the content including the base address and length of its own imageExtent: = Pimageoptionalheader (Pointer (Integer (hmodule) + Pimagedosheader (hmodule). _lfanew + sizeof (DWORD) + sizeof ( Timagefileheader)). Sizeofimage;Get the length of the memory imageVirtualFreeEx (ProcessHandle, hmodule, 0, mem_release);Allocate a sufficient length of memory within the memory range of the EXP processHmodule_news: = VirtualAllocEx (ProcessHandle, hmodule, Extent, Mem_
A god wine company in Bama is infected with worm. win32.downloader/Trojan. win32.mnless.
EndurerOriginal1Version
Check the homepage code and find that the code is added multiple times:/---
---/
Hxxp: // A ** A. ll * sging **. com/ww/new05.htm? 075 contains code:/------/
Hxxp: // A ** A. ll * sging **. com/ww/new05.htm? 013 and hxxp: // A ** A. ll * sging **. com/ww/new05.htm? Same as 075.
Hxxp: // A ** A. ll * sging **. com/AA/haha.htm is decrypted tw
File-downloader (Https://github.com/wlfcolin/file-downloader) is my open source of an HTTP file download framework, is based on your own experience summarized a set of simple very lightweight android generic HTTP file download manager.Features: Support for breakpoint continuation, multi-task download, rename, move, delete, custom download name and save path, etc.File-do
What is a Web page downloader?First, the Web Downloader is the core component of the crawlerSecond, the common Python Web Downloader has urlilib2 basic module and requests third-party plug-in two kindsURLLIB2 Support Features: 1. Support direct URL download; 2. Support for the data entered directly into the Web page; 3. Support for cookie processing that requires
This article describes writing a multithreaded HTTP downloader using Python and generating an. exe executable file.
Environment: Windows/linux + python2.7.x
Single Thread
Introduce a single thread before you introduce multithreading. The idea of writing a single thread is:
1. Parse the URL;
2. Connect to the Web server;
3. Construct the HTTP request packet;
4. Download the file.
This is followed by a code description.
Parsing URLs
Parsed by the user
words: = = Website Downloader = =, website clone, grill website tool/software = =, Baidu; also think of these keywords: Copy Web site/page,mirroring Web Site /page,download pages for offline etc, Yahoo/google. Finally know Webzip, HTTrack, Wget, Crawler, grill website artifact, website clone these goods. Of course, there are many, it seems that the fame is not too loud, did not go to one by one to try.WebzipThis goods should be the field of the day o
narcissism meaningful. Master the scientific method of learning, rain or shine, have the courage and perseverance, believe that they "I can do it", the real "from a crazy downloader into a learner", then you will also be ambitious. Remember there is a story to teach the "borrower said" (I remember as if the name), the book can not be read also, and so rich to buy a lot of books, Han Niu filling, but not to read! Full of hard drives, but not a few are
How to Use the custom function of the universal map downloader of water diversion to download the map of Zhejiang Tiandi
Go to http://www.zjditu.cn/and select the region map, as shown in.
If you are using IE, select "F12 Developer Tools" (similar to the developer tool menu is available in other browsers), as shown in.
Click "enable network traffic capture (F5)", as shown in.
Enlarge the satellite map to see the URL address of the currently disp
I often go to YouTube to watch some rock videos, but YouTube is not stable and always stuck. I just Googled and found a way to directly download the video to a local place, the download speed with thunder is good.
1. Use FLV downloader, enter the video address in the address input column, and click "Get address ".
2. The video address should be given below.
If the given URL is "http: // 221.11.5.180/2007/04/02/0591 a2b389480cfef4e483b6d723a98c. FLV
There may be a problem with the downloader code, causing the PDF file to become corrupted
The PDF file in the server is healthy: Verified by direct FTP download.
Some of the code for the downloader is as follows:
$file _size = filesize ($filedir);
Header ("content-type:application/octet-stream;charset=iso-8859-1");
Header ("Cache-control:private");
Header ("Accept-ranges:bytes");
Header ("Accept-length:".
Web page | Download three. Web Page Downloader Example Introduction:
Finally, I will synthesize the above. NET programming knowledge, to show you a good example. This example is a synchronous-mode client application using a socket, which first establishes an endpoint by parsing the IP address of the server, and creates a socket connection based on a stream socket, which is used by the TCP protocol. Through the socket can be sent to get the page comma
1. There are two novel vbs Downloaders on this blog. One is made of the CDO. Message component and the other is made of Microsoft. XMLDOM. For details, see http://www.jb51.net/article/15506.htm. One of the two Downloaders is difficult to use and needs to convert the exe file in advance. Second, cscript.exe accesses the network, which is not concealed. Second, some machines do not have these two components and use them to ADODB. Stream, so there are some drawbacks.
2. Let's talk about lake2 downl
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