20147226056

Committed 11 Dec 2025 08:58PM UTC coverage: 78.827% (-1.5%) from 80.293%

Build # 20147226056

Build Type

push

github

Committed by

web-flow

Commit Message

Forwarded the `style` and `complete-platform` args from pants.toml to PEX (#22910)

## Context

After Apple switched to the `arm64` architecture, some package
publishers stopped releasing `x86_64` variants of their packages for
`darwin`. As a result, generating a universal lockfile now fails because
no single package version is compatible with both `x86_64` and `arm64`
on `darwin`.

The solution is to use the `--style` and `--complete-platform` flags
with PEX. For example:
```
pex3 lock create \
    --style strict \
    --complete-platform 3rdparty/platforms/manylinux_2_28_aarch64.json \
    --complete-platform 3rdparty/platforms/macosx_26_0_arm64.json \
    -r 3rdparty/python/requirements_pyarrow.txt \
    -o python-pyarrow.lock
```

See the Slack discussion here:
https://pantsbuild.slack.com/archives/C046T6T9U/p1760098582461759

## Reproduction

* `BUILD`
```
python_requirement(
    name="awswrangler",
    requirements=["awswrangler==3.12.1"],
    resolve="awswrangler",
)
```
* Run `pants generate-lockfiles --resolve=awswrangler` on macOS with an
`arm64` CPU
```
pip: ERROR: Cannot install awswrangler==3.12.1 because these package versions have conflicting dependencies.
pip: ERROR: ResolutionImpossible: for help visit https://pip.pypa.io/en/latest/topics/dependency-resolution/#dealing-with-dependency-conflicts
pip:  
pip:  The conflict is caused by:
pip:      awswrangler 3.12.1 depends on pyarrow<18.0.0 and >=8.0.0; sys_platform == "darwin" and platform_machine == "x86_64"
pip:      awswrangler 3.12.1 depends on pyarrow<21.0.0 and >=18.0.0; sys_platform != "darwin" or platform_machine != "x86_64"
pip:  
pip:  Additionally, some packages in these conflicts have no matching distributions available for your environment:
pip:      pyarrow
pip:  
pip:  To fix this you could try to:
pip:  1. loosen the range of package versions you've specified
pip:  2. remove package versions to allow pip to attempt to solve the dependency conflict
```

## Implementation
... (continued)

Run Details

77 of 100 new or added lines in 6 files covered. (77.0%)

868 existing lines in 42 files now uncovered.

74471 of 94474 relevant lines covered (78.83%)

3.18 hits per line

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0.0

/src/python/pants/backend/javascript/lint/prettier/subsystem.py

1	# Copyright 2022 Pants project contributors (see CONTRIBUTORS.md).
2	# Licensed under the Apache License, Version 2.0 (see LICENSE).
3
UNCOV 4	from __future__ import annotations	×
5
UNCOV 6	import os	×
UNCOV 7	from collections.abc import Iterable	×
8
UNCOV 9	from pants.backend.javascript.subsystems.nodejs_tool import NodeJSToolBase	×
UNCOV 10	from pants.core.util_rules.config_files import ConfigFilesRequest	×
UNCOV 11	from pants.option.option_types import ArgsListOption, SkipOption	×
UNCOV 12	from pants.util.strutil import help_text	×
13
14
UNCOV 15	class Prettier(NodeJSToolBase):	×
UNCOV 16	options_scope = "prettier"	×
UNCOV 17	name = "Prettier"	×
UNCOV 18	help = help_text(	×
19	"""
20	The Prettier utility for formatting JS/TS (and others) code
21	(https://prettier.io/).
22	"""
23	)
24
UNCOV 25	default_version = "prettier@3.6.2"	×
26
UNCOV 27	skip = SkipOption("fmt", "lint")	×
UNCOV 28	args = ArgsListOption(example="--version")	×
29
UNCOV 30	def config_request(self, dirs: Iterable[str]) -> ConfigFilesRequest:	×
31	"""Prettier will use the closest configuration file to the file currently being formatted,
32	so add all of them In the event of multiple configuration files, Prettier has an order of
33	precedence specified here: https://prettier.io/docs/en/configuration.html."""
34
35	config_files = (	×
36	*[f"prettier.config{ext}" for ext in [".js", ".cjs"]],
37	*[
38	f".prettierrc{ext}"
39	for ext in [
40	"",
41	".json",
42	".yml",
43	".yaml",
44	".json5",
45	".js",
46	".cjs",
47	".toml",
48	]
49	],
50	)
51	check_existence = [os.path.join(d, file) for file in config_files for d in ("", *dirs)]	×
52	return ConfigFilesRequest(	×
53	discovery=True,
54	check_existence=check_existence,
55	)

pantsbuild / pants / 20147226056

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