Merge branch 'feat/slice-service' into 'develop'

#!/bin/bash

./report_coverage_all.sh | grep --color -E -i "^slice/.*$|$"

import grpc, logging

from typing import Dict, List, Set, Tuple

from common.Checkers import chk_string

from common.exceptions.ServiceException import ServiceException

from service.proto.context_pb2 import Constraint

def check_constraint(

    logger : logging.Logger, constraint_number : int, parent_name : str, constraint : Constraint,

    add_constraints : Dict[str, Dict[str, Set[str]]]) -> Tuple[str, str]:

    try:

        constraint_type  = chk_string('constraint[#{}].constraint_type'.format(constraint_number),

                                      constraint.constraint_type,

                                      allow_empty=False)

        constraint_value = chk_string('constraint[#{}].constraint_value'.format(constraint_number),

                                      constraint.constraint_value,

                                      allow_empty=False)

    except Exception as e:

        logger.exception('Invalid arguments:')

        raise ServiceException(grpc.StatusCode.INVALID_ARGUMENT, str(e))

    if constraint_type in add_constraints:

        msg = 'Duplicated ConstraintType({}) in {}.'

        msg = msg.format(constraint_type, parent_name)

        raise ServiceException(grpc.StatusCode.INVALID_ARGUMENT, msg)

    add_constraints[constraint_type] = constraint_value

    return constraint_type, constraint_value

def check_constraints(logger : logging.Logger, parent_name : str, constraints):

    add_constraints : Dict[str, str] = {}

    constraint_tuples : List[Tuple[str, str]] = []

    for constraint_number,constraint in enumerate(constraints):

        _parent_name = 'Constraint(#{}) of {}'.format(constraint_number, parent_name)

        constraint_type, constraint_value = check_constraint(

            logger, constraint_number, _parent_name, constraint, add_constraints)

        constraint_tuples.append((constraint_type, constraint_value))

    return constraint_tuples

import grpc

from common.database.api.Database import Database

from common.database.api.context.slice.Slice import Slice

from common.exceptions.ServiceException import ServiceException

def check_slice_exists(database : Database, context_id : str, slice_id : str) -> Slice:

    db_context = database.context(context_id).create()

    if db_context.slices.contains(slice_id): return db_context.slice(slice_id)

    msg = 'Context({})/Slice({}) does not exist in the database.'

    msg = msg.format(context_id, slice_id)

    raise ServiceException(grpc.StatusCode.NOT_FOUND, msg)

def check_slice_not_exists(database : Database, context_id : str, slice_id : str):

    db_context = database.context(context_id).create()

    if not db_context.slices.contains(slice_id): return

    msg = 'Context({})/Slice({}) already exists in the database.'

    msg = msg.format(context_id, slice_id)

    raise ServiceException(grpc.StatusCode.ALREADY_EXISTS, msg)

#deepdiff==5.8.*