20974506033

Committed 13 Jan 2026 10:14PM UTC coverage: 43.251% (-37.0%) from 80.269%

Build # 20974506033

Build Type

Pull #22976

github

Committed by

web-flow

Commit Message

Merge a16a40040 into c12556724

Pull Request Pull Request #22976: WIP: Add the ability to set stdin for a Process

Run Details

2 of 4 new or added lines in 2 files covered. (50.0%)

17213 existing lines in 540 files now uncovered.

26146 of 60452 relevant lines covered (43.25%)

0.86 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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