'Usage: copy/cp <from> <to> - copy a file / dir remotely at Baidu Yun
from - source path (file / dir)
to - destination path (file / dir)'

def copy(self, fromp, to):

    frompp = get_pcs_path(fromp)
    top = get_pcs_path(to)
    pars = {u'method': u'copy', u'from': frompp, u'to': top}
    self.pd(u"Remote    copying    '{}'    =cc=>    '{}'".format(frompp, top))
    return self.__post((pcsurl + u'file'), pars, self.__copy_act)
