'Refresh Variable Explorer and Editor from a Pdb session,
after running any pdb command.
See publish_pdb_state in utils/ipython/spyder_kernel.py and
notify_spyder in utils/site/sitecustomize.py and'

def refresh_from_pdb(self, pdb_state):

    if (('step' in pdb_state) and ('fname' in pdb_state['step'])):
        fname = pdb_state['step']['fname']
        lineno = pdb_state['step']['lineno']
        self.sig_pdb_step.emit(fname, lineno)
    if ('namespace_view' in pdb_state):
        self.sig_namespace_view.emit(ast.literal_eval(pdb_state['namespace_view']))
    if ('var_properties' in pdb_state):
        self.sig_var_properties.emit(ast.literal_eval(pdb_state['var_properties']))
