Python web crawler Learning Notesby ZhonghuanlinSeptember 4 2014 Update: September 4 2014Article Directory
1. Introduction:
2. start from the simple statement:
3. Transferring data to the server
4. HTTP Header-data that describes the data
URLLIB2 is a component of Python's acquisition of URLs (Uniform Resource Locators). He provides a very simple interface in the form of a urlopen function, which is capable of acquiring URLs using different protocols, and he also provides a more
Brief introduction:URLLIB2 is a Python module that obtains a URL (Uniform Resource locators, a unified resource addressable device). It provides a very concise interface in the form of a urlopen function. This makes it possible to obtain URLs with a
Python is a very powerful language. It is very effective for testing, so Python is becoming more and more popular.So in this tutorial I'll talk about how to build a dictionary in Python and use it for whatever purpose you want.Prerequisite
[Python] web crawler (4): Opener, Handler, and openerhandler
Before proceeding, let's first explain the two methods in urllib2: info and geturl.The response object response (or HTTPError instance) returned by urlopen has two useful methods: info ()
http://blog.csdn.net/pleasecallmewhy/article/details/8924889
A better learning site: http://www.voidspace.org.uk/python/articles/urllib2.shtml#openers-and-handlers
The following is a personal learning note.
Before you start, explain the two
At present, the number of small and medium-sized enterprises in China has tens of millions of, but the information construction is not ideal, the site has only not more than 2 million, tens of millions of small and medium-sized enterprises exist
FroxlorFroxlor is a server management panel used to manage multi-user servers. It can be used to manage domain name services, email accounts, or Web servers. This is a good choice except cPanel or webmin. Function:
Before you start, explain the two methods in Urllib2: Info/geturlUrlopen returns an Answer object response (or Httperror instance) has two very useful methods info () and Geturl ()
1.geturl ():
This returns the real URL obtained, which is useful
Before we start, let's explain two methods in Urllib2: info and GeturlResponse (or Httperror instance) of the reply object returned by Urlopen has two useful methods, info () and Geturl ()1.geturl ():This returns the actual URL obtained, which is
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