Recently in the study of JDK source code, the Internet to find the next resource, found are not complete.Later discovered a complete source of the place, mainly including the java,c,c++ of things, loaded with forced needs, just want to play. However, find a lot of ways to open the download, found all wrong. So I wrote the Python crawler and took care of him.1. Analysis of Ideas1.1. Target Address: http://hg
DownloadWindows version: https://www.python.org/downloads/windows/Similar to installer end of the file that we need to download, the number of bits according to their own computer to choose (x86:32 bit, x86-64:64 bit)Download the installation tutorial Here I will not say, there are too many online. Installation Tutorial: https://jingyan.baidu.com/article/e73e26c0bad76224acb6a766.html (from Baidu Experience)
first of all, prep work .
Python 2.7.11: Download Python
Pycharm: Download Pycharm
of which Python2 and Python3 are currently being released synchronously, I use python2 as the environment here. Pycharm is a more efficient Python IDE, but requires a fee.
The basic idea of
First of all, prep work.
Python 2.7.11: Download Python
Pycharm: Download Pycharm
Where Python2 and Python3 are currently in sync, I'm using python2 as an environment here. Pycharm is a more efficient Python IDE, but it needs to be paid for.
The basic idea of realization
"""Python established pip.ini.py2016 April 30 03:35:11 Codegay"""ImportOsini="""[Global]index-url = https://pypi.doubanio.com/simple/[install]trusted-host=pypi.doubanio.com"""Pippath=os.environ["UserProfile"]+"\\pip\\"if notos.path.exists (Pippath): Os.mkdir (Pippath) with open (Pippath+"Pip.ini","w+") as f:f.write (INI)Running the following Python code will automatically establish Pip.ini[
python-the contents of the HTML file to retrieve a specific URL address string, save it as a list, and use each URL to download the picture and save it to the hard drive, the regular re
Reference: http://blog.csdn.net/xwbk12/article/details/72734930
1, the target address: https://xianzhi.aliyun.com/forum/topic/1805/The contents of the following figure
Remove the contents of the target back package like this
Baidu Music does not need to login also can download? Is it very exciting to hear the news?Next we open Baidu Music, casually open a song, switch to the Baidu play page:I use the Firfox browser, open Firebug first clear all the requests,Now we re-refresh the next page, see this. mp3 address is the address of Baidu Music, we can directly copy to the Thunder download, but this approach is too elementary, if t
1. Download Python 2.7
2. Download a manual
----------------- 2013.03.26
3. Search for the developed software (I am playing in windows, so I need to find an editplus software for myself)
4. After the file is downloaded and installed, you can select the default installation directory to customize the directory.
5. After the installation is complete, tes
This article describes a Python implementation method that supports directory FTP upload and download files. Share to everyone for your reference. Specific as follows:
The program supports FTP uploads to download files and directories, for Windows and Linux platforms.
#!/usr/bin/env python#-*-coding:utf-8-*-import ftp
Description: And the previous download Baidu posted pictures almost, modified the regular, added page control;In addition to the output format control, if you want to join the manual set storage path function, you can refer to the previous Baidu paste stick crawler#!/usr/bin/env python#!-*-coding:utf-8-*-#图片地址样例: src= "http://ww2.sinaimg.cn/large/005Yan1vjw1erf95qkbfog307e08uu0y.gif" style= "width:460px"Imp
Problem Description:Readtimeouterror:httpsconnectionpool encountered in Python package download?Problem solving:Method 1: Continue to repeat the downloadPip Install VirtualenvMethod 2: Set the time-out periodPip--default-timeout=100 install-u virtualenvMethod 3: Change the source to Tsinghua's Mirror stationPip Install--index https://mirrors.ustc.edu.cn/pypi/web/simple/virtualenvReadtimeouterror:httpsconnec
The example in this article tells Python how to get a picture download address on a Web page. Share to everyone for your reference. Specifically as follows:
The download address for the picture on the Web page is a paragraph in the data collection being written, and the code is as follows:
Copy Code code as follows:
#!/user/bin/python3
Import Urllib2
Python
Pip
Nose
Winide
First, Python official: https://www.python.org/downloads/1. After opening the connection, select the version of Python to be installed and download2. Double click to download the file, always click Next3. After installation, enter Control Panel-system and security-system-Advanced syste
Python creates a CSDN point-Free Download device and pythoncsdn
Download CSDN without points, you know.1. Enter the resource address such as: http://download.csdn.net/download/gengqkun/41278082. Enter the verification code3. Click Download. the browser will pop up for downlo
operations. Therefore, it is necessary to start a celery beat process to send timed tasks, as well as several celery asynchronous tasks to perform parsing and downloading operations, for larger videos, the download will be time consuming, and it is recommended to allocate the number of asynchronous tasks according to how much of the task list is reasonable.
Program run
This program is verified to work properly under Ubuntu and Mac and has not been ve
Compile a Python script to download the topnexus wallpaper tutorial in batches.
Topnexus is my favorite wallpaper download website. There are many high-quality wallpapers on it, which are required almost every day and will be shared every month.
However, downloading the ghost topnexus wallpaper is troublesome, and because the wallpaper will detect your current re
This article mainly introduces how to display the download progress when downloading python files. it involves Python file operations and has some reference value, for more information about how to display the download progress when downloading python files, see the followin
This article describes how to install pip, a commonly used download and Installation Tool in Python. Note that pip has been integrated by default in Python2.7.9 and 3.4 and later versions. For more information, see
1. Download and install pip1.1 pip download
# wget "https://pypi.python.org/packages/source/p/pip/pip-1
Python uses urllib to download mp3 files by Baidu Music category
This example describes how python uses urllib to download mp3 files by Baidu Music category. Share it with you for your reference. The specific implementation method is as follows:
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#! /
Crawler Learning--Download images
1. The urllib and re libraries are used mainly
2. Use the Urllib.urlopen () function to get the page source code
3. Use regular matching image type, of course, the more accurate, the more downloaded
4. Download the image using Urllib.urlretrieve () and rename it using%s
5. There should be restrictions on the operator, so it is not possible to
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