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pantsbuild / pants / 18517631058

15 Oct 2025 04:18AM UTC coverage: 69.207% (-11.1%) from 80.267%
18517631058

Pull #22745

github

web-flow
Merge 642a76ca1 into 99919310e
Pull Request #22745: [windows] Add windows support in the stdio crate.

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0.0
/src/python/pants/backend/codegen/protobuf/tailor.py
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# Copyright 2021 Pants project contributors (see CONTRIBUTORS.md).
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# Licensed under the Apache License, Version 2.0 (see LICENSE).
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from __future__ import annotations
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from dataclasses import dataclass
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from pants.backend.codegen.protobuf.protoc import Protoc
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from pants.backend.codegen.protobuf.target_types import ProtobufSourcesGeneratorTarget
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from pants.core.goals.tailor import (
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    AllOwnedSources,
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    PutativeTarget,
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    PutativeTargets,
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    PutativeTargetsRequest,
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)
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from pants.engine.intrinsics import path_globs_to_paths
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from pants.engine.rules import collect_rules, rule
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from pants.engine.unions import UnionRule
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from pants.util.dirutil import group_by_dir
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from pants.util.logging import LogLevel
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@dataclass(frozen=True)
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class PutativeProtobufTargetsRequest(PutativeTargetsRequest):
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    pass
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@rule(level=LogLevel.DEBUG, desc="Determine candidate Protobuf targets to create")
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async def find_putative_targets(
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    req: PutativeProtobufTargetsRequest, all_owned_sources: AllOwnedSources, protoc: Protoc
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) -> PutativeTargets:
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    if not protoc.tailor:
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        return PutativeTargets()
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    all_proto_files = await path_globs_to_paths(req.path_globs("*.proto"))
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    unowned_proto_files = set(all_proto_files.files) - set(all_owned_sources)
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    pts = [
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        PutativeTarget.for_target_type(
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            ProtobufSourcesGeneratorTarget,
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            path=dirname,
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            name=None,
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            triggering_sources=sorted(filenames),
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        )
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        for dirname, filenames in group_by_dir(unowned_proto_files).items()
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    ]
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    return PutativeTargets(pts)
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def rules():
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    return [
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        *collect_rules(),
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        UnionRule(PutativeTargetsRequest, PutativeProtobufTargetsRequest),
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    ]
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