def modifier_contenue(dictionnaire_contenue, id_contenue):
    contenue = model.Contenues()
    contenue.modifier(dictionnaire_contenue, id_contenue)
def selectionner_contenue(argument):
    contenue = model.Contenues()
    return contenue.selectionner_arg(argument)
def ajouter_contenue(dictionnaire_contenue):
    contenue = model.Contenues()
    contenue.ajouter(dictionnaire_contenue)
def selectionner_un_contenue(id_contenue):
    contenue = model.Contenues()
    return contenue.selectionner_un(id_contenue)
def afficher_contenue():
    contenue = model.Contenues()
    return contenue.selectionner_tout()