def opposite_algebra(A_inf):
    gen_by_name = AttrDict({})
    for gen in A_inf.genset:
        gen_by_name[gen.name + '*'] = Generator(gen.name + '*')

    new_A_inf_actions = Bunch_of_arrows([])

    for action in A_inf.a_inf_actions:
        new_action = ()
        for element in action:
            new_action = new_action + (gen_by_name[element.name + '*'], )
        new_A_inf_actions[new_action[:-1][::-1] + (new_action[-1], )] += 1

    return simpler_A_inf_Algebra(gen_by_name, 'opposite of ' + A_inf.name,
                                 new_A_inf_actions)
def rename_generators(A, list_of_tuples_to_rename):
    new_generators = AttrDict({})
    # for t in list_of_tuples_to_rename:
    #     new_generators[t[1]]=Generator(name=t[1], aux_info=A.gen_by_name[t[0]])

    for gen in A.gen_by_name.values():
        if gen.name in [t[0] for t in list_of_tuples_to_rename]:
            t = next(t for t in list_of_tuples_to_rename if t[0] == gen.name)
            new_generators[t[1]] = Generator(name=t[1],
                                             aux_info=A.gen_by_name[t[0]])
        else:
            new_generators[gen.name] = Generator(name=gen.name, aux_info=gen)

    new_A_inf_actions = Bunch_of_arrows({})
    for action in A.a_inf_actions:
        new_action = ()
        for el in action:
            new_action = new_action + (next(gen
                                            for gen in new_generators.values()
                                            if gen.aux_info == el), )
        new_A_inf_actions[new_action] += 1

    return simpler_A_inf_Algebra(new_generators, A.name + '_renamed',
                                 new_A_inf_actions)
def u_i_rename_generators(A):
    new_generators = AttrDict({})
    i = 0
    for gen in A.gen_by_name.values():
        new_generators["u_" + str(i)] = Generator(name="u_" + str(i),
                                                  aux_info=gen)
        i += 1

    new_A_inf_actions = Bunch_of_arrows({})
    for action in A.a_inf_actions:
        new_action = ()
        for el in action:
            new_action = new_action + (next(gen
                                            for gen in new_generators.values()
                                            if gen.aux_info == el), )
        new_A_inf_actions[new_action] += 1

    return simpler_A_inf_Algebra(new_generators, A.name + '_renamed',
                                 new_A_inf_actions)
def base_change_AA_from_fuk(Fuk, generators, left_dg_algebra,
                            right_dg_algebra):
    def check_validity(x, action):
        if action[:-1].count(x) == 1 and (action[-1] in generators):
            index_of_x = action[:-1].index(x)
            for el in action[:index_of_x]:
                if not el.name in left_dg_algebra.gen_by_name.keys():
                    return False
            for el in action[index_of_x + 1:-1]:
                if not el.name in right_dg_algebra.gen_by_name.keys():
                    return False
            return True
        else:
            return False

    gen_by_name = AttrDict({})
    for x in generators:
        gen_by_name['' + x.name + ''] = Generator('' + x.name + '')
        # gen_by_name[''+x.name+''].add_idems(x.idem.left, x.idem.right)

        # adding idempotents
        for action in [
                act for act in Fuk.a_inf_actions if (len(act) == 3 and (
                    act[0].name in left_dg_algebra.idem_by_name.keys()) and (
                        x == act[1]) and (x == act[-1]))
        ]:
            left_idem = left_dg_algebra.idem_by_name[action[0].name]
        for action in [
                act for act in Fuk.a_inf_actions if (len(act) == 3 and (
                    act[1].name in right_dg_algebra.idem_by_name.keys()) and (
                        x == act[0]) and (x == act[-1]))
        ]:
            right_idem = right_dg_algebra.idem_by_name[action[1].name]
        gen_by_name['' + x.name + ''].add_idems(left_idem, right_idem)

    arrows = Bunch_of_arrows([])
    for y in generators:
        for action in Fuk.a_inf_actions:
            if (len(action) == 3
                    and (action[0].name in left_dg_algebra.idem_by_name.keys())
                    and (y == action[1]) and (y == action[-1])):
                continue
            if (len(action) == 3 and
                (action[1].name in right_dg_algebra.idem_by_name.keys())
                    and (y == action[0]) and (y == action[-1])):
                continue
            if check_validity(y, action):
                index_of_y = action[:-1].index(y)
                tuple_from_left = tuple([
                    (lambda z: left_dg_algebra.gen_by_name[z.name])(z)
                    for z in action[:index_of_y]
                ])
                tuple_from_right = tuple([
                    (lambda z: right_dg_algebra.gen_by_name[z.name])(z)
                    for z in action[index_of_y + 1:-1]
                ])
                arrows[(tuple_from_left, gen_by_name['' + y.name + ''],
                        tuple_from_right,
                        gen_by_name['' + action[-1].name + ''])] += 1

    return AA_bimodule(gen_by_name,
                       arrows,
                       left_dg_algebra,
                       right_dg_algebra,
                       name='AA_from_Fuk',
                       to_check=True)