19381742489

Committed 15 Nov 2025 12:52AM UTC coverage: 49.706% (-30.6%) from 80.29%

Build # 19381742489

Build Type

Pull #22890

github

Committed by

web-flow

Commit Message

Merge d961abf79 into 42e1ebd41

Pull Request Pull Request #22890: Updated all python subsystem constraints to 3.14

Run Details

4 of 5 new or added lines in 5 files covered. (80.0%)

14659 existing lines in 485 files now uncovered.

31583 of 63540 relevant lines covered (49.71%)

0.79 hits per line

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0.0

/src/python/pants/backend/tools/preamble/subsystem.py

1	# Copyright 2022 Pants project contributors (see CONTRIBUTORS.md).
2	# Licensed under the Apache License, Version 2.0 (see LICENSE).
UNCOV 3	from __future__ import annotations	×
4
UNCOV 5	from collections.abc import Sequence	×
6
UNCOV 7	from pants.option.option_types import DictOption, SkipOption	×
UNCOV 8	from pants.option.subsystem import Subsystem	×
UNCOV 9	from pants.source.filespec import FilespecMatcher	×
UNCOV 10	from pants.util.strutil import help_text, softwrap	×
11
12
UNCOV 13	class PreambleSubsystem(Subsystem):	×
UNCOV 14	options_scope = "preamble"	×
UNCOV 15	name = "preamble"	×
UNCOV 16	help = help_text(	×
17	"""
18	Formats files with a preamble, with the preamble looked up based on path.
19
20	This is useful for things such as copyright headers or shebang lines.
21
22	Pants substitutes the following identifiers (following Python's `string.Template` substitutions):
23	- $year: The current year (only used when actually writing the year to the file).
24	"""
25	)
26
UNCOV 27	skip = SkipOption("fmt")	×
28
UNCOV 29	_template_by_globs = DictOption[str](	×
30	help=softwrap(
31	"""
32	Which preamble template to use based on the path globs (relative to the build root).
33
34	Example:
35
36	{
37	'*.rs': '// Copyright (c) $year\\n// Line 2\\n'
38	'*.py:!__init__.py': '# Copyright (c) $year\\n# Line 2\\n',
39	}
40
41	It might be helpful to load this config from a JSON or YAML file. To do that, set
42	`[preamble].config = '@path/to/config.yaml'`, for example.
43	"""
44	),
45	fromfile=True,
46	)
47
UNCOV 48	@property	×
UNCOV 49	def template_by_globs(self) -> dict[tuple[str, ...], str]:	×
50	return {tuple(key.split(":")): value for key, value in self._template_by_globs.items()}	×
51
UNCOV 52	def get_template_by_path(self, filepaths: Sequence[str]) -> dict[str, str]:	×
53	"""Returns a mapping from path to (most-relevant) template."""
54	filepaths_to_test = set(filepaths)	×
55	template_by_path = {}	×
56	for globs, template in self.template_by_globs.items():	×
57	if not filepaths_to_test:	×
58	break	×
59
60	matched_filepaths = FilespecMatcher(	×
61	includes=[
62	(glob[2:] if glob.startswith(r"\\!") else glob)
63	for glob in globs
64	if not glob.startswith("!")
65	],
66	excludes=[glob[1:] for glob in globs if glob.startswith("!")],
67	).matches(tuple(filepaths_to_test))
68	filepaths_to_test -= set(matched_filepaths)	×
69	for filepath in matched_filepaths:	×
70	template_by_path[filepath] = template	×
71
72	return template_by_path	×

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