I want to convert such query string:
a=1&b=2
to json string
{"a":1, "b":2}
Any existing solution?
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2try pypi.python.org/pypi/jsonurl/1.0.0jeremy– jeremy2012-08-11 07:23:34 +00:00Commented Aug 11, 2012 at 7:23
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hope this will help you. stackoverflow.com/questions/5295236/…Pradeeshnarayan– Pradeeshnarayan2012-08-11 07:24:59 +00:00Commented Aug 11, 2012 at 7:24
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5 Answers
Python 3+
import json
from urllib.parse import parse_qs
json.dumps(parse_qs("a=1&b=2"))
Python 2:
import json
from urlparse import parse_qs
json.dumps(parse_qs("a=1&b=2"))
In both cases the result is
'{"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.
4 Comments
John La Rooy
In other words convert the qs to a dict and then convert that dict to json
Curtis Fenner
For Python 3 users:
urlparse is now called urllib.parse
Tomalak
Could be imported as
from urllib import parse as urlparse without changing the rest of the code.
Nikhil Prakash
If you need to parse as single values then
parse_qsl can be used - dict(urlparse.parse_qsl('a=1&b=2')) yields '{"a": ["1"], "b": ["2"]}'>>> strs="a=1&b=2"
>>> {x.split('=')[0]:int(x.split('=')[1]) for x in strs.split("&")}
{'a': 1, 'b': 2}
answered Aug 11, 2012 at 7:26
Ashwini Chaudhary
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2 Comments
Ashwini Chaudhary
@BinChen there's no syntax error. which python version are you using?
Moberg
This syntax is available in Python 2.7+ and 3+. Use
d = dict((key, value) for (key, value) in iterable) in 2.6 and earlierPython 3.x
from json import dumps
from urllib.parse import parse_qs
dumps(parse_qs("a=1&b=2"))
yelds
{"b": ["2"], "a": ["1"]}
Comments
dict((itm.split('=')[0],itm.split('=')[1]) for itm in qstring.split('&'))
Comments
In Python 2 & 3:
import json
def parse_querystring(query_string):
variables = dict()
for item in query_string.split('&'):
key, value = item.split('=')
# if value is an int, parse it
if value.isdigit():
value = int(value)
variables[key] = value
return variables
query_string = 'user=john&uid=10&[email protected]'
qs = parse_querystring(query_string)
print(repr(qs))
print(json.dumps(qs))
The result is
{'user': 'john', 'uid': 10, 'mail': '[email protected]'}
{"user": "john", "uid": 10, "mail": "[email protected]"
