'Show the current context.'

def __repr__(self):

    s = []
    s.append(('Context(prec=%(prec)d,    rounding=%(rounding)s,    Emin=%(Emin)d,    Emax=%(Emax)d,    capitals=%(capitals)d,    clamp=%(clamp)d' % vars(self)))
    names = [f.__name__ for (f, v) in self.flags.items() if v]
    s.append((('flags=[' + ',    '.join(names)) + ']'))
    names = [t.__name__ for (t, v) in self.traps.items() if v]
    s.append((('traps=[' + ',    '.join(names)) + ']'))
    return (',    '.join(s) + ')')
