83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
# This file is part of CycloneDX Python Library
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
#
|
|
# SPDX-License-Identifier: Apache-2.0
|
|
# Copyright (c) OWASP Foundation. All Rights Reserved.
|
|
|
|
|
|
"""
|
|
!!! ALL SYMBOLS IN HERE ARE INTERNAL.
|
|
Everything might change without any notice.
|
|
"""
|
|
|
|
from itertools import zip_longest
|
|
from typing import TYPE_CHECKING, Any, Dict, Optional, Tuple
|
|
|
|
if TYPE_CHECKING: # pragma: no cover
|
|
from packageurl import PackageURL
|
|
|
|
|
|
class ComparableTuple(Tuple[Optional[Any], ...]):
|
|
"""
|
|
Allows comparison of tuples, allowing for None values.
|
|
"""
|
|
|
|
def __lt__(self, other: Any) -> bool:
|
|
for s, o in zip_longest(self, other):
|
|
if s == o:
|
|
continue
|
|
# the idea is to have any consistent order, not necessarily "natural" order.
|
|
if s is None:
|
|
return False
|
|
if o is None:
|
|
return True
|
|
return bool(s < o)
|
|
return False
|
|
|
|
def __gt__(self, other: Any) -> bool:
|
|
for s, o in zip_longest(self, other):
|
|
if s == o:
|
|
continue
|
|
# the idea is to have any consistent order, not necessarily "natural" order.
|
|
if s is None:
|
|
return True
|
|
if o is None:
|
|
return False
|
|
return bool(s > o)
|
|
return False
|
|
|
|
|
|
class ComparableDict(ComparableTuple):
|
|
"""
|
|
Allows comparison of dictionaries, allowing for missing/None values.
|
|
"""
|
|
|
|
def __new__(cls, d: Dict[Any, Any]) -> 'ComparableDict':
|
|
return super(ComparableDict, cls).__new__(cls, sorted(d.items()))
|
|
|
|
|
|
class ComparablePackageURL(ComparableTuple):
|
|
"""
|
|
Allows comparison of PackageURL, allowing for qualifiers.
|
|
"""
|
|
|
|
def __new__(cls, p: 'PackageURL') -> 'ComparablePackageURL':
|
|
return super(ComparablePackageURL, cls).__new__(cls, (
|
|
p.type,
|
|
p.namespace,
|
|
p.version,
|
|
ComparableDict(p.qualifiers) if isinstance(p.qualifiers, dict) else p.qualifiers,
|
|
p.subpath
|
|
))
|