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ahriman/src/ahriman/models/repository_id.py

66 lines
1.9 KiB
Python

#
# Copyright (c) 2021-2023 ahriman team.
#
# This file is part of ahriman
# (see https://github.com/arcan1s/ahriman).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
from dataclasses import dataclass
from typing import Any
from ahriman.core.exceptions import InitializeError
@dataclass(frozen=True)
class RepositoryId:
"""
unique identifier of the repository
Attributes:
architecture(str): repository architecture
name(str): repository name
"""
architecture: str
name: str
def __post_init__(self) -> None:
"""
check that name is set
Raises:
InitializeError: in case if name is not set
"""
if not self.name:
raise InitializeError("Repository name is not set")
def __lt__(self, other: Any) -> bool:
"""
comparison operator for sorting
Args:
other(Any): other object to compare
Returns:
bool: True in case if this is less than other and False otherwise
Raises:
TypeError: if other is different from RepositoryId type
"""
if not isinstance(other, RepositoryId):
raise ValueError(f"'<' not supported between instances of '{type(self)}' and '{type(other)}'")
return self.name <= other.name and self.architecture < other.architecture