adv_lesson3

HTTP Requests

Ch2 HTTP

• Hypertext Transfer Protocol
  • Defines how a client communicates to a server
  • Client send a HTTP request
    • Request line
      • Specifies the method and what to request for
    • Request header
    • Message body
  • Server responds with a HTTP response
    • Status line
    • Response header
      • Content type
    • Message body
• import requests

Ch3 REST API

• Web API
  • Access server via a provided endpoint
• REST API
  • REpresentational State Transfer
    • Statelessness
    • Cacheability
    • Layered System
    • Uniform interface

Ch4 HTTP Protocols

• GET request
  • To read or retrieve a resource
  • Parameterise the request by ?param=value&more=params
• POST request
  • To create and add new data
• PUT request
  • To update existing data
• DELETE request
  • To delete an existing resource

Ch5 Advanced Topics

• Authentication
  • Gives authorisation to specific content
• Sessions
  • "Remembers" the information given
  • Passes cookies to the client
    • Client passes the cookie back to the server for further interactions
• Django more heavyweight than Flask