python xpath html

Htmlparser is a python module that is easy to use and can easily analyze HTML files.This article briefly introduces the usage of htmlparser. During use, you need to define a class inherited from the class htmlparser. Redefinition function: Handle_starttag (TAG, attrs) Handle_startendtag (TAG, attrs) Handle_endtag (TAG) To implement the functions you need. Tag:

These two days in Python to write a collector, there is a functional module is the HTML code conversion to UBB, online seemingly no ready-made program, wrote a function, by the way to exercise their own regular. Import redef Html2ubb (content): #以下是将html标签转为ubb标签pattern = Re.compile (']*> ([ss]+?) ', Re. I) content = pattern.sub (R ' [Url=1]2[/url] ', content) p

This article mainly introduces how to use HTMLParser to parse html instances in Python. This article provides examples and summarizes the methods contained in HTMLParser in two categories. one is explicitly called, the other class does not need to display the call. you can refer to a problem encountered in the next few days. you need to pick out a part of the content on the webpage, so you have found two li

Working with Documents: https://www.crummy.com/software/BeautifulSoup/bs4/doc.zh/Python's coding problem is more disgusting.Decode decodingEncode encodingIn the file header settings#-*-Coding:utf-8-*-Let Python use UTF8.#-*-Coding:utf-8-*-__author__ = ' Administrator ' from BS4 import beautifulsoupimport requestsimport osimport sysimport I Odef gethtml (URL): r = requests.get (URL) content = R.content.decode (' UTF8 ') #print (content) sou

-Self.assertequal (assertt,self.verificationerrors,msg="validation failed! ") - #断言: Actual result, expected result, error message in self.driver.quit () - to def test_creat (self): + """add a new record in Notepad""" -SELF.DRIVER.FIND_ELEMENT_BY_ID ("Com.smartisan.notes:id/add_button"). Click () theTime.sleep (3) *Self.driver.find_element_by_class_name ("Android.widget.EditText"). Send_keys ("Today is a good day to study at home! ") $SELF.DRIVER.FIND_ELEMENT_BY_ID ("Com.smartisan.note

When using Python to crawl HTML pages and save, often the crawl down the page content is garbled problem. The problem occurs because of the problem of encoding settings in your own code, and on the other hand, the actual encoding and encoding of the Web page is not consistent with the correct encoding settings. The code for the HTML page label is here: Copy the

At first, BeautifulSoup's Get_text () was used to extract the string, and then the extraction failed, and the error was typeerror: ' Nonetype ' object is not callableReturns the none type, which may be an error in extracting the contents of the span tag, and then uses name.string to extract the characters and succeed.#-*-coding:utf-8-*-"""Created on Wed Jan 17:21:54 2017@author:pe-monitor"""ImportUrllib2ImportBeautifulSoupImportsysreload (SYS) sys.setdefaultencoding ('Utf-8') responce= Urllib2.u

() Self.driver.quit () If __name__ = = ' _ _main__ ': Unittest.main () and then new htmlreport.py: Import HtmltestrunnerImport UnitTestFrom time import strftime, localtime, timeFrom TestCase import searchtestcaseSuite = UnitTest. TestSuite ()# Get the instance object of TestsuiteSuite.addtest (Searchtestcase ("Test_searchchina"))# Add test Cases to the test containernow = strftime ("%y-%m-%m-%h_%m_%s", LocalTime (Time ()))# Get current timefilename = now + "test.html"# file namefp = op

MatplotlibMatplotlib. Use(' Agg ')Import Matplotlib.pyplot as PltFrom Cstring import Stringio= [3, ten, 7, 5, 3, 4.5, 6, 8.1= = = 1/1.5plt.bar (x, y, width, color=" Blue ")Io=stringio ()Plt.savefie (io,format= "PNG")plt.xticks(rotation=70)image_tag= ' '% io.getvalue (). Encode ("base64"). Strip ()Pythonwise:serving Dynamic Images with Matplotlibdynamically-serving-a-matplotlib-image-to-the-web-using-python%sMatplotlib-wishchin Column-Blog channel-cs

HTML needs to be parsed in the project, implemented in Python, and beautifulsoup is a useful thing. If you write a program, you may not know what to do, the purpose is to let everyone know how to use beautifulsoup. Of course, I am using beautif. I have never learned how to use beautif. it is too advanced. # Coding = UTF-8

..Html1. Basic cognitionHTML(Hypertext Markup Language) Hypertext Markup Language, an application under the standard Universal Markup Language. "Hypertext" means that the page can contain pictures, links, or even music, programs and other non-text elements. The structure of Hypertext Markup Language includes the header section (English: Head), and the "Subject" section (English: Body), where the "Head" section provides information about the Web page, and the "subject" part provides the specific

[email protected] smtplib]# cat qq_mail_html.py#!/usr/bin/env pythonImport SmtplibFrom Email.mime.text import Mimetext #?? Mimetext?HOST = "Smtp.163.com"SUBJECT = "Website Traffic data Tables"to = "[Email protected]"from = "[Email protected]"msg = Mimetext ("" "1) day_traffic:2) Status Code informationnbsp;nbsp;500:105 404:3264 503:2143) User informationnbsp;nbsp;ie:50% firefox:10% chrome:30% other:10%4) Page informationnbsp;nbsp;/index.php 42153nbsp;nbsp;/view.php 21451nbsp;nbsp;/login.php 5112

　　Python learning html starting from 0 (ii)

Max_page = Total_pageHalf_max_page = max_page//2# Where do the page numbers start?Page_start = Page_num-half_max_page# Where does the page show up?Page_end = Page_num + half_max_page# front SectionIf Page_start Page_start = 1Page_end = Max_page# after partIf Page_end > Total_page:Page_end = Total_pagePage_start = total_page-max_page + 1# self-splicing pagination httml codeHtml_str_list = []# Plus HomeHtml_str_list.append (' # Add a previous pageIf Page_num Html_str_list.append (' ElseHtml_str_l

Python2 use Htmltestrunner to generate test reports, there will be garbled language output, the main encoding format is not uniform, change the encoding format on the line.: http://tungwaiyip.info/software/HTMLTestRunner.htmlFirst, Chinese garbled1. In the test report, MSG custom exception content is garbled in Chinese, as shown inSecond, modify the code1. Locate htmltestrunner.py file, search: UO =2. Find the two places in the Red locale encoding3. Comment out the red area two settings, re-add

Class Myparser (Htmlparser): def __init__ (self,key): self.data=[] self.key=key self.falg=false self.linkname= " Htmlparser.__init__ (self) def handle_starttag (self,tag,attrs): if Self.key and tag ==self.key: Self.falg=true def handle_data (self,data): if Self.falg and data: self.data.append (Unicode (eval (repr (data)), "Utf-8")) def handle_endtag (self,tag): if Self.key and tag ==self.key: sel

\) About - Size Property: The width value of the input box101 102 MaxLength Property: Maximum length of input for input box103 104 ReadOnly Property: Read-only property on input box the 106*Disabled Properties: Disabling Properties107 108*Checked Properties: Specify default options for the selection box109 the src and Alt are set for the picture button111 the NOTE: The Reset reset button restores the form data to the state it was on when it was first opened, not empty113 the The image Image