1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
# 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, Optional
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().__new__(cls, sorted(d.items()))
class ComparablePackageURL(ComparableTuple):
"""
Allows comparison of PackageURL, allowing for qualifiers.
"""
def __new__(cls, p: 'PackageURL') -> 'ComparablePackageURL':
return super().__new__(cls, (
p.type,
p.namespace,
p.version,
ComparableDict(p.qualifiers) if isinstance(p.qualifiers, dict) else p.qualifiers,
p.subpath
))
|
