22523112068

Committed 28 Feb 2026 03:01PM UTC coverage: 90.325% (-2.6%) from 92.93%

Build # 22523112068

Build Type

push

github

Committed by

web-flow

Commit Message

Prepare 2.32.0.dev3 (#23148)

Run Details

82731 of 91593 relevant lines covered (90.32%)

3.28 hits per line

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88.89

/src/python/pants/vcs/hunk.py

# Copyright 2024 Pants project contributors (see CONTRIBUTORS.md).
# Licensed under the Apache License, Version 2.0 (see LICENSE).
from dataclasses import dataclass

from pants.engine.collection import Collection


@dataclass(frozen=True)
class TextBlock:
    """Block of lines in a file.

    Lines are 1 indexed, `start` is inclusive.

    TextBlock is used as a part of unified diff hunk, thus it can be empty,
    i.e. count can be equal to 0. In the special case when the file is empty
    start = 0 and count = 0.
    """

    start: int
    count: int

    def __init__(self, start: int, count: int):
        object.__setattr__(self, "start", start)
        object.__setattr__(self, "count", count)

        self.__post_init__()

    def __post_init__(self):
        if self.count < 0:
            raise ValueError(f"{self.count=} can't be negative")

    @property
    def end(self) -> int:
        return self.start + self.count


class TextBlocks(Collection[TextBlock]):
    pass


@dataclass(frozen=True)
class Hunk:
    """Hunk of difference in unified format.

    https://www.gnu.org/software/diffutils/manual/html_node/Detailed-Unified.html

    In the special case when file is created left = None.
    In the special case when file is deleted right = None.
    """

    left: TextBlock | None
    right: TextBlock | None

1	# Copyright 2024 Pants project contributors (see CONTRIBUTORS.md).
2	# Licensed under the Apache License, Version 2.0 (see LICENSE).
3	from dataclasses import dataclass	9✔
4
5	from pants.engine.collection import Collection	9✔
6
7
8	@dataclass(frozen=True)	9✔
9	class TextBlock:	9✔
10	"""Block of lines in a file.
11
12	Lines are 1 indexed, `start` is inclusive.
13
14	TextBlock is used as a part of unified diff hunk, thus it can be empty,
15	i.e. count can be equal to 0. In the special case when the file is empty
16	start = 0 and count = 0.
17	"""
18
19	start: int
20	count: int
21
22	def __init__(self, start: int, count: int):	9✔
23	object.__setattr__(self, "start", start)	1✔
24	object.__setattr__(self, "count", count)	1✔
25
26	self.__post_init__()	1✔
27
28	def __post_init__(self):	9✔
29	if self.count < 0:	1✔
30	raise ValueError(f"{self.count=} can't be negative")	×
31
32	@property	9✔
33	def end(self) -> int:	9✔
34	return self.start + self.count	×
35
36
37	class TextBlocks(Collection[TextBlock]):	9✔
38	pass	9✔
39
40
41	@dataclass(frozen=True)	9✔
42	class Hunk:	9✔
43	"""Hunk of difference in unified format.
44
45	https://www.gnu.org/software/diffutils/manual/html_node/Detailed-Unified.html
46
47	In the special case when file is created left = None.
48	In the special case when file is deleted right = None.
49	"""
50
51	left: TextBlock \| None
52	right: TextBlock \| None

pantsbuild / pants / 22523112068

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