Construct a dict object from a list of ForList object

        :param for_lists: list of for_list
        :param global_vars: list of global vars to add
        :param data_dict: data from an orm-like object (with dot notation)
        :return: a dict representation of the ForList objects

def to_dict(for_lists, global_vars, data_dict):
        """ Construct a dict object from a list of ForList object

        :param for_lists: list of for_list
        :param global_vars: list of global vars to add
        :param data_dict: data from an orm-like object (with dot notation)
        :return: a dict representation of the ForList objects
        """
        res = {}

        # The first level is a little bit special
        # Manage global variables
        for a in global_vars:
            a_list = a.split('.')
            tmp = res
            for i in a_list[:-1]:
                if not i in tmp:
                    tmp[i] = {}
                tmp = tmp[i]
            tmp[a_list[-1]] = reduce(getattr, a_list[1:], data_dict[a_list[0]])
        # Then manage for lists recursively
        for for_list in for_lists:
            it = for_list.name.split('.')
            tmp = res
            for i in it[:-1]:
                if not i in tmp:
                    tmp[i] = {}
                tmp = tmp[i]
            if not it[-1] in tmp:
                tmp[it[-1]] = []
            tmp = tmp[it[-1]]
            if not it[0] in data_dict:
                continue
            if len(it) == 1:
                loop = enumerate(data_dict[it[0]])
            else:
                loop = enumerate(reduce(getattr, it[-1:], data_dict[it[0]]))
            for i, val in loop:
                new_data_dict = {for_list.var_from: val}
                # We append a new dict only if we need
                if len(tmp) <= i:
                    tmp.append({})
                # Call myself with new context, and get result
                tmp[i] = ForList.__recur_to_dict(
                    for_list, new_data_dict, tmp[i]
                )

        return res