Getting and sending HTTP request with Python

Question

I'm making the jump from PHP and MySQL to Python and Google App Engine, and it's a bit different from what I'm used to. For now, I'm just trying to find out the basics of a server request.

From my client (an iPhone), I send a dictionary in JSON format with a HTTP request (it's set as the POST value).

How do I get this dictionary in Python? In PHP, I would do: $dictionary=json_decode(stripslashes($_POST["dictionary"]));

What's the Python equivalent?

Then say I run some queries, and I want to send a JSON string back to my client as a response. How would I do this in Python? Is it just self.response.out.write()? What would I put in the parenthesis to send a JSON representation of the Python dictionary?

Make sure to check Requests library which seems to be the best way to send HTTP requests in Python currently. — Piotr Dobrogost
– Piotr Dobrogost, Commented Apr 14, 2012 at 19:13
@PiotrDobrogost: this question has nothing to do with using Python to request something from another server. — Wooble
– Wooble, Commented Apr 14, 2012 at 20:39
@Wooble Really? How do you understand "sending HTTP request in Python" in the title, then? — Piotr Dobrogost
– Piotr Dobrogost, Commented Apr 14, 2012 at 20:45
Did you read the question? The request is being sent from an iPhone application to a python script running on App Engine. — Wooble
– Wooble, Commented Apr 14, 2012 at 21:42

Amber · Accepted Answer · 2012-04-14 16:07:26Z

3

json.

json.loads() is the equivalent of PHP's json_decode()
json.dumps() is the equivalent of PHP's json_encode()

answered Apr 14, 2012 at 16:07

Amber

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4 Comments

Snowman Over a year ago

And what's the equivalent of $_POST["dictionary"]?

Snowman Over a year ago

Is it self.request.get('dictionary')?

Nick Johnson Over a year ago

Actually, it's more like self.request.POST['dictionary']. self.request.get is a function that fetches the value from either query string parameters or request body. (That is to say, it'll work, but it will happily return a query string value instead, if there is one)

Amber Over a year ago

Granted, if you're relying on differentiating between the two, you may have problems.

San4ez · Accepted Answer · 2012-04-14 16:14:21Z

0

If you are starting to write in Python after PHP, php2python site will help you translate some php functions to python ones.

answered Apr 14, 2012 at 16:14

San4ez

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