[bottlepy] Extract data from "request.json"

Discussion:

Gourinda Adil

2018-09-23 23:32:06 UTC

Please I need help, how to extract data from "request.json", does the
syntax is:
-request.json["key"]
or
-request.json.get("key") (as a FormsDic)
Please I am very confused and I am very as my first example with bottle
didn't work :-(
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gNeandr

2018-09-24 07:41:17 UTC

Permalink

Â Â Â Â Â Â xP.prefs = json.load(data_file)
Â Â xP.prefs['keyname'] = somedata
Please I need help, how to extract data from "request.json", does the
Â Â -request.json["key"]
Â Â Â Â Â or
Â Â -request.json.get("key") (as a FormsDic)
Please I am very confused and I am very as my first example with
bottle didn't work :-(
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See http://groups.google.de/group/bottlepy for mailing list options.
See http://bottlepy.org/ for news and documentation.
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Marcel Hellkamp

2018-09-24 10:12:14 UTC

Permalink

Post by Gourinda Adil
Please I need help, how to extract data from "request.json", does the
   -request.json["key"]
      or
   -request.json.get("key") (as a FormsDic)
Please I am very confused and I am very as my first example with
bottle didn't work :-(

Why not just test it yourself? What did not work? What is the expected
result, and what did you see instead?

request.json returns a dict, but only of the request actually contained
json data and had the correct content-type header set.

http://bottlepy.org/docs/0.12/api.html#bottle.BaseRequest.json
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Gourinda Adil

2018-09-26 15:38:49 UTC

Permalink

I have a little idea and I want to test is with Bottle:
I want to take the text of a <h1> tag, adding some text and putt it in <p>
tag, and I want to do it with XMLHttpRequest() object:

--- template.tpl ---

<!DOCTYPE html>
<html>

<head>
<title>bottle example</title>

<script
src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(//---begin---
function(){//---begin---
$("p").on(//---begin---
"click"
,function(){//---begin---
var my_request
= new XMLHttpRequest();

my_request.open("POST" ,url:"/hello");
var
request_data = {"h1_value":$("h1").text()};

my_request.setRequestHeader("Content-Type" ,"application/json");

my_request.send(request_data);

$('p').text(my_request.responseText);
}//---end---
)//---end---

}//---end---
)//---end---
</script>
</head>

<body>
<h1>Hello World</h1>
<p></p>
</body>

</html>
-------------------------------------

--- Bottle.py ------------------

from bottle import route ,run ,template ,request

#----- URL:/hello -----
#----- Template -----
@route("/hello")
def example():
return template("template.tpl")
#----- POST+GET -----
@route("/hello", method=['POST' ,'GET'])
def ajax():
json_data = request.json["h1_value"] + "and Welcome to Bottle"
return {"returned_json":json_data}

run(host='127.0.0.1', port=8080, debug=True)
----------------------------------------

But I get this error:

Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/bottle.py", line 862, in _handle
return route.call(**args)
File "/usr/lib/python3/dist-packages/bottle.py", line 1740, in wrapper
rv = callback(*a, **ka)
File "Bottle.py", line 17, in ajax
json_data = request.json["h1_value"] + "and Welcome to Bottle"
TypeError: 'NoneType' object is not subscriptable

Please if you can help me Because I wasn't able to resolve this problem since 1 week and it begin to make me crasy.

Thanks for your help
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