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If I have an object like: d = {'a':1, 'en': 'hello'} ...then I can pass it to urllib.urlencode , no problem: percent_escaped = urlencode(d) print percent_escaped But if I try to pass an object with a value of type unicode , game over: d2 = {'a':1, 'en': 'hello', 'pt': u'olá'} percent_escaped = urlencode(d2) print percent_escaped # This fails with a UnicodeEncodingError So my question is about a reliable way to prepare an object to be passed to urlencode . I came up with this function where I simply iterate through the object and encode values of type string or unicode: def encode_object(object): for k,v in object.items(): if type(v) in (str, unicode): object[k] = v.encode('utf-8') return object This seems to work: d2 = {'a':1, 'en': 'hello', 'pt': u'olá'} percent_escaped = urlencode(encode_object(d2)) print percent_escaped And that outputs a=1&en=hello&pt=%C3%B3la , ready for passing to a POST call or whatever. But my encode_object function just looks really shaky to me. For one thing, it doesn't handle nested objects. For another, I'm nervous about that if statement. Are there any other types that I should be taking into account? And is comparing the type() of something to the native object like this good practice? type(v) in (str, unicode) # not so sure about this... Thanks!

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