Create a POST service in app engine with python

Question

I am very new to app engine and python too so this might sound like a very basic question. I want to create a RESTful service which handles POST requests(using Python, app engine)

For Example:

www.myproject.appspot.com - is my URL

and if I do a simple GET call to this(from a browser or REST client etc), it returns what ever is in the code, like here it is >Hello!<

class MainHandler(webapp2.RequestHandler):
def get(self):
    self.response.headers['Content-Type'] = 'text/plain'
    self.response.write("Hello!")

What I want to do is make it a POST request, like if I hit it with some JSON like

 {"myName" : NameString}

It will print the name in NameString. I know this sounds like a very silly question but please bear with me as my internet search has left me confused with which method to use some have suggested using EndPoints API, Django etc. But I believe my requirement is very basic and webapp2 can handle it.

I just want so direction or basic examples to do this.

Thanks!

Brent Washburne · Accepted Answer · 2016-05-31 16:14:01Z

1

Here's the way to get the POST data from the request into the response:

class MainHandler(webapp2.RequestHandler):
    def post(self):
        name = self.request.POST['myName']
        self.response.headers['Content-Type'] = 'text/plain'
        self.response.write("Hello, %s!" % name)

answered May 31, 2016 at 16:14

Brent Washburne

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1 Comment

Susmit Yenkar Over a year ago

Hey Thanks! but i had to tweak this code a bit to get what I wanted.

Alexander Trakhimenok · Accepted Answer · 2016-05-31 15:21:37Z

1

Write a method that will handle the POST method and set proper content type:

https://webapp-improved.appspot.com/guide/handlers.html#http-methods-translated-to-class-methods

In your case it would be:

import json
class MainHandler(webapp2.RequestHandler):
  def post(self):
    name = 'John Snow'
    self.response.headers['Content-Type'] = 'application/json'
    self.response.write(json.dumps({"myName" : name}))

answered May 31, 2016 at 15:21

Alexander Trakhimenok

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1 Comment

Susmit Yenkar Over a year ago

Hey GOT fan..thanks, I had something different in mind but the link u have given is very useful

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