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WEEK 4

DAY 6 | 29 August | 6. Python 3 API and CGI

Summary

  • Integrating html with python and building a interactive web page. (with python as a backend)
  • By default type of input box is 'text', can change it to button, radio, checkboxes.
  • fieldstorage() is used to get input from client through web url, fieldstorage() - get value, getvalue() - retrieve the data from the field.
  • All the browsers have HTML interpreter, web servers never runs the code. It sends the code to client browser, browser runs all the html tags & then display it.
  • Tags bold -<b>, underline - <u>, break - <br>, header - <h>.
  • We can use a variable to store the input data & can send it to any server through url using http protocol. Form decides where to take the data <form action= 'server_url'>.
  • Radio box acts as a variable, Check box acts as an list. I have explained it clearly here

DAY 7 | 30 August | 7. Python 3 API and CGI

Summary

  • About the ARTH and INIT programs.
  • To to interact with OS CLI, GUI, WebUI and MobileUI.
  • curl url which runs the page and shows the output in the cmd prompt.
  • To see the header of a file we can use curl -I url.
  • Redirection - When we search with the link http://www.gmail.com/ it automatically redirects to actual url https://mail.google.com/mail/u/0/ which is hidden at the header filed location: url.
  • Learn more about the concept of new line - the browser understands that whatever is before the new line is a header and after it is the body.
  • Query string is a part of the url where we can see the value which is assigned to a variable http://ip/cgi-bin/f.py?x=cal here x=cal.