python: how to convert a query string to json string?

Question

I want to convert such query string:

a=1&b=2

to json string

{"a":1, "b":2}

Any existing solution?

Answer 1

import json
import urlparse

json.dumps(urlparse.parse_qs("a=1&b=2"))

yields

'{"a": ["1"], "b": ["2"]}'

This is actually better than your {"a":1, "b":2}, because URL query strings can legally contain the same key multiple times, i.e. multiple values per key.

Answer 2

Python 3.x

from json import dumps
from urllib.parse import parse_qs

dumps(parse_qs("a=1&b=2"))

yelds

{"b": ["2"], "a": ["1"]}