pack opener

Before you start, explain the two methods in Urllib2: info and Geturl Urlopen The answer object returned by response (or Httperror instance) has two very useful methods info () and Geturl () 1.geturl (): This returns the real URL obtained, which is useful because the Urlopen (or the opener object) may be redirected. The URL you get may be different from the request URL. As an example of a super link in everyone, Let's build a urllib2_test10.py to com

The normal use of Python crawl web information, need to use URLLIB2, call Urllib2.urlopen (URL), you can get response feedback information, and then use Response.read () to get the source of the page. The simplest pick-and-pack code:Import urllib2 response = Urllib2.urlopen (' http://www.baidu.com/') html = response.read () Print HTMLHere are two important concepts in URLLIB2: openers and handlers.1.Openers:When you get a URL you use a

[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 () and geturl () 1. geturl (): Geturl () returns the obtained real URL, which is useful because urlopen (or the opener object) may be redirected. The obtained URL

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 () and geturl () 1. geturl (): This returns the obtained real URL, which is useful because urlopen (or used by the opener object) may be redirected. The obtained URL may be different from the requested URL. Take a hyperlink from a person as an example, We will create

The two methods are used to refresh the parent window, but there are still some mysteries. Window. opener. location. reload (); when this method forces the parent window, a confirmation dialog box is displayed in some ie browsers (such as high security settings, it prompts if you want to refresh the page again. This is a depressing thing. I later replaced this method with window. opener. location. href = W

The urllib2.urlopen () function does not support authentication, cookie, or other advanced HTTP functions. To support these functions, you must use the build_opener () function to create a custom Opener object. Copy codeThe Code is as follows:Build_opener ([handler1 [handler2,...]) Handler is a Handler instance. HTTPBasicAuthHandler, HTTPCookieProcessor, and ProxyHandler are commonly used. The objects returned by build_opener () have the open () metho

Use Window. Opener to bypass CSRF Protection With the popularity of Web applications, security issues have become increasingly prominent. At present, the security of Web applications is more guaranteed by Web developers than by client verification mechanisms. This makes Web applications more flexible and reliable, but at a high cost. Currently, 70% of Web applications are very vulnerable, because the client-based authentication mechanism is very easy

Before starting the following content, let's first explain the two methods in urllib2: infoandgeturl. before starting the following content, let's explain the two methods in urllib2: info and geturl. The response object response (or HTTPError instance) returned by urlopen has two useful methods: info () and geturl () 1. geturl (): This returns the obtained real URL, which is useful because urlopen (or used by the opener object) may be redirected. The

Handler processors and custom opener Opener is urllib2. Openerdirector example, we have been using the Urlopen, it is a special opener (that is, the module to help us build). However, the basic Urlopen () method does not support other HTTP/HTTPS advanced features such as proxies, cookies, and so on. So to support these features: Use related Hand

Window. opener, via window. open the reference of the parent form of the child form. The following describes how to use it in detail. If you are interested, refer to window. opener, via window. open refers to the parent form of the child form. For example, in the parent form parentForm, window. open ("subForm.html") means window. opener represents parentForm in

The Urllib2.urlopen () function does not support authentication, cookies, or other HTTP advanced features. To support these features, you must use the Build_opener () function to create a custom opener object. Copy Code code as follows: Build_opener ([Handler1 [Handler2, ...]]) Parameter handler is a handler example, commonly used in Httpbasicauthhandler, Httpcookieprocessor, Proxyhandler and so on. The object returned by Bu

Window. opener returns the reference of the window in which the current window is created. Window. opener usage In a textbox with the id "name" on window. opener worker, you can write it: Optional values opener.doc ument. getElementById ("name"). value = "input data "; I have no good understanding of window. opener

specified coordinate position. 6-2-2 properties of the window objectThe window object has the following attributes: Status Statusbar Statusbar. Visible Defaultstatus Location Locationbar Locationbar. Visible Self Name Closed Frames Frames. Length Length Document History Innerheight Innerwidth Menubar Menubar. Visible Opener Outerheight Outerwidth Pagexoffset Pageyoffset Parent Personalbar Person

This article focuses on window. openernull; window. close (), only supports IE6 does not support IE7, IE8 solution is introduced, need friends can come to refer to, hope to help you window. opener = null; window. close (). Only IE6 does not support IE7. Open a new window and close the window. The prompt before closing the window is not displayed.Function openWin (){Window. open ('login. jsp ', '', 'fullscreen = yes, menubar = no, resizable = no ');

A.D. March 29, 2015, in Shanghai on business, because lazy, so reported a "Shanghai Day Trip" (Night Line, because Shanghai night is more beautiful than daytime), and a group of small partners experienced the China Pavilion, Waitan, World Financial Center, cruise. I never knew "bottle opener"---the World financial Building was built by the Japanese, and now the revenue of the building is still in Japan. Especially the shape of two knives, want to chok

Open a new window and close the window. The prompt before closing the window is not displayed.Function openwin (){Window. Open ('login. jsp ', '', 'fullscreen = Yes, menubar = No, resizable = no ');Window. Opener = NULL;Window. Close ();} In IE7 Function openwin (){ Window. Opener = NULL;Window. Open ('login. jsp ', '', 'fullscreen = Yes, menubar = No, resizable = no ');Window. Close ();} ////////////

in JS, Window.opener is just a reference to the pop-up window's parent window. This article is mainly on the use of JS opener in detail, the need for friends can come to the reference, I hope to help you. In JS, Window.opener is just a reference to the pop-up window's parent window. For example: a.html, by clicking the button and so on to window.open out a new window b.html. Then in b.html, we can use Window.opener (omit write as

Window. opener opens a new window in js. Next I will introduce some usage and summary of window. opener to you. I used to think that window. opener can be accessed only when window. open is opened. I didn't expect that even the page opened by a link can be accessed. Window. opener points to the parent window, that is,

Door opener and closing man Time limit:2000/1000 MS (java/others) Memory limit:65536/32768 K (java/others) Total submission (s): 3451 Accepted Submission (s): 1646 Problem description The first person to the computer room every day to open the door, the last one to leave the door closed. There are a lot of cluttered room to sign, check out records, please according to the records to find the day

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 useful because Urlopen (or opener objects used) may have redirects. The URL you get may be different from the request URL.Take a hyperlink from everyone, for example,Let's build a urllib2_test10.py to compare