Why not?

2009/3/27 Venkatraman S <venkat83@gmail.com>

On Fri, Mar 27, 2009 at 8:56 PM, Mart Sõmermaa <mrts.pydev@gmail.com> wrote:

    Usage:
    >>> add_query_params('http://foo.com', a='b')
    'http://foo.com?a=b'
    >>> add_query_params('http://foo.com?a=b', b='c', d='q')
    'http://foo.com?a=b&b=c&d=q'

    The real implementation should be more strict, e.g. raise on the
    following:
    >>> add_query_params('http://foo.com?a=b', a='b')
    'http://foo.com?a=b&a=b'

Well, this is not 'generic'  - for eg. in Django sites the above would not be applicable.