560cb6685c
Have binary and library bp2build convert `libs` to
`deps` for bazel
Bug: 196083751
Test: python_{binary,library}_conversion_test.go
Test: build/bazel/ci/mixed_{libc,droid}.sh
Change-Id: I2d5f6ef2e83dd608910edb7adb2eb9a56d25293c
116 lines
3.6 KiB
Go
116 lines
3.6 KiB
Go
// Copyright 2017 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package python
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// This file contains the module types for building Python library.
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import (
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"fmt"
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"android/soong/android"
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"android/soong/bazel"
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"github.com/google/blueprint/proptools"
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)
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func init() {
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registerPythonLibraryComponents(android.InitRegistrationContext)
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android.RegisterBp2BuildMutator("python_library_host", PythonLibraryHostBp2Build)
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android.RegisterBp2BuildMutator("python_library", PythonLibraryBp2Build)
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}
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func registerPythonLibraryComponents(ctx android.RegistrationContext) {
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ctx.RegisterModuleType("python_library_host", PythonLibraryHostFactory)
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ctx.RegisterModuleType("python_library", PythonLibraryFactory)
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}
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func PythonLibraryHostFactory() android.Module {
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module := newModule(android.HostSupported, android.MultilibFirst)
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android.InitBazelModule(module)
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return module.init()
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}
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type bazelPythonLibraryAttributes struct {
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Srcs bazel.LabelListAttribute
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Data bazel.LabelListAttribute
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Deps bazel.LabelListAttribute
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Srcs_version string
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}
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func PythonLibraryHostBp2Build(ctx android.TopDownMutatorContext) {
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pythonLibBp2Build(ctx, "python_library_host")
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}
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func PythonLibraryBp2Build(ctx android.TopDownMutatorContext) {
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pythonLibBp2Build(ctx, "python_library")
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}
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func pythonLibBp2Build(ctx android.TopDownMutatorContext, modType string) {
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m, ok := ctx.Module().(*Module)
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if !ok || !m.ConvertWithBp2build(ctx) {
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return
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}
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// a Module can be something other than a `modType`
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if ctx.ModuleType() != modType {
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return
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}
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// TODO(b/182306917): this doesn't fully handle all nested props versioned
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// by the python version, which would have been handled by the version split
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// mutator. This is sufficient for very simple python_library modules under
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// Bionic.
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py3Enabled := proptools.BoolDefault(m.properties.Version.Py3.Enabled, true)
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py2Enabled := proptools.BoolDefault(m.properties.Version.Py2.Enabled, false)
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var python_version string
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if py2Enabled && !py3Enabled {
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python_version = "PY2"
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} else if !py2Enabled && py3Enabled {
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python_version = "PY3"
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} else if !py2Enabled && !py3Enabled {
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panic(fmt.Errorf(
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"error for '%s' module: bp2build's %s converter doesn't understand having "+
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"neither py2 nor py3 enabled", m.Name(), modType))
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} else {
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// do nothing, since python_version defaults to PY2ANDPY3
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}
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srcs := android.BazelLabelForModuleSrcExcludes(ctx, m.properties.Srcs, m.properties.Exclude_srcs)
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data := android.BazelLabelForModuleSrc(ctx, m.properties.Data)
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deps := android.BazelLabelForModuleDeps(ctx, m.properties.Libs)
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attrs := &bazelPythonLibraryAttributes{
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Srcs: bazel.MakeLabelListAttribute(srcs),
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Data: bazel.MakeLabelListAttribute(data),
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Deps: bazel.MakeLabelListAttribute(deps),
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Srcs_version: python_version,
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}
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props := bazel.BazelTargetModuleProperties{
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// Use the native py_library rule.
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Rule_class: "py_library",
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}
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ctx.CreateBazelTargetModule(m.Name(), props, attrs)
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}
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func PythonLibraryFactory() android.Module {
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module := newModule(android.HostAndDeviceSupported, android.MultilibBoth)
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android.InitBazelModule(module)
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return module.init()
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}
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