python-benedict/benedict/serializers/query_string.py

38 lines
968 B
Python
Raw Normal View History

# -*- coding: utf-8 -*-
from benedict.serializers.abstract import AbstractSerializer
try:
# python 3
from urllib.parse import urlencode
from urllib.parse import parse_qs
except ImportError:
# python 2
from urllib import urlencode
from urlparse import parse_qs
import json
import re
class QueryStringSerializer(AbstractSerializer):
def __init__(self):
super(QueryStringSerializer, self).__init__()
def decode(self, s, **kwargs):
flat = kwargs.pop('flat', True)
qs_re = r'^(([\w\-\%\+]+\=[\w\-\%\+]*)+([\&]{1})?)+'
qs_pattern = re.compile(qs_re)
if qs_pattern.match(s):
data = parse_qs(s)
if flat:
data = {key: value[0] for key, value in data.items()}
return data
else:
raise ValueError('Invalid query string: {}'.format(s))
def encode(self, d, **kwargs):
data = urlencode(d, **kwargs)
return data