def urlencode(query,doseq=0):

    if hasattr(query,"items"):
        # mapping objects
        query = query.items()
    else:
        # it's a bother at times that strings and string-like objects are
        # sequences...
        try:
            # non-sequence items should not work with len()
            # non-empty strings will fail this
            if len(query) and not isinstance(query[0], tuple):
                raise TypeError
            # zero-length sequences of all types will get here and succeed,
            # but that's a minor nit - since the original implementation
            # allowed empty dicts that type of behavior probably should be
            # preserved for consistency
        except TypeError:
            ty,va,tb = sys.exc_info()
            raise TypeError, "not a valid non-string sequence or mapping object", tb

    l = []
    if not doseq:
        # preserve old behavior
        for k, v in query:
            k = quote_plus(str(k))
            v = quote_plus(str(v))
            l.append(k + '=' + v)
    else:
        for k, v in query:
            k = quote_plus(str(k))
            if isinstance(v, str):
                v = quote_plus(v)
                l.append(k + '=' + v)
            elif _is_unicode(v):
                # is there a reasonable way to convert to ASCII?
                # encode generates a string, but "replace" or "ignore"
                # lose information and "strict" can raise UnicodeError
                v = quote_plus(v.encode("ASCII","replace"))
                l.append(k + '=' + v)
            else:
                try:
                    # is this a sufficient test for sequence-ness?
                    x = len(v)
                except TypeError:
                    # not a sequence
                    v = quote_plus(str(v))
                    l.append(k + '=' + v)
                else:
                    # loop over the sequence
                    for elt in v:
                        l.append(k + '=' + quote_plus(str(elt)))
    return '&'.join(l)

# Proxy handling
Create a new button widget.
dataset/ETHPy150Open ofermend/medicare-demo/socialite/jython/Lib/urllib.py/urlencode--crossover with--dataset/ETHPy150Open anandology/pyjamas/library/gwt/ui/Button.py/Button.__init__