yield _ck, _cv
else:
for i in v:
qv = i.encode('utf-8') if isinstance(i, unicode) else str(i)
_v = encode(qv)
yield _k, _v
else:
qv = str(v)
_v = encode(qv)
yield _k, _v
def encode_params(**kw):
"""
do url-encode parameters
>>> encode_params(a=1, b='R&D')
'a=1&b=R%26D'
>>> encode_params(a=u'u4e2du6587', b=['A', 'B', 123])
'a=%E4%B8%AD%E6%96%87&b=A&b=B&b=123'
>>> encode_params(**{
'a1': {'aa1': 1, 'aa2': {'aaa1': 11}},
'b1': [1, 2, 3, 4],
'c1': {'cc1': 'C', 'cc2': ['Q', 1, '@'], 'cc3': {'ccc1': ['s', 2]}}
})
'a1[aa1]=1&a1[aa2][aaa1]=11&c1[cc1]=C&c1[cc3][ccc1]=s&c1[cc3][ccc1]=2&c1[cc2]=Q&c1[cc2]=1&c1[cc2]=%40&b1=1&b1=2&b1=3&b1=4'
"""
# args = []
# for k, v in kw.iteritems():
# if isinstance(v, basestring):
# qv = v.encode('utf-8') if isinstance(v, unicode) else v
# args.append('%s=%s' % (k, urllib.quote(qv)))
# elif isinstance(v, collections.Iterable):
# for i in v:
# qv = i.encode('utf-8') if isinstance(i, unicode) else str(i)
# args.append('%s=%s' % (k, urllib.quote(qv)))
# else:
# qv = str(v)
# args.append('%s=%s' % (k, urllib.quote(qv)))
