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// Copyright 2017 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package python
// This file contains the module types for building Python library.
import (
"android/soong/android"
"android/soong/bazel"
"github.com/google/blueprint/proptools"
)
func init() {
registerPythonLibraryComponents(android.InitRegistrationContext)
}
func registerPythonLibraryComponents(ctx android.RegistrationContext) {
ctx.RegisterModuleType("python_library_host", PythonLibraryHostFactory)
ctx.RegisterModuleType("python_library", PythonLibraryFactory)
}
func PythonLibraryHostFactory() android.Module {
module := newModule(android.HostSupported, android.MultilibFirst)
android.InitBazelModule(module)
return module.init()
}
type bazelPythonLibraryAttributes struct {
Srcs bazel.LabelListAttribute
Deps bazel.LabelListAttribute
Srcs_version *string
}
func pythonLibBp2Build(ctx android.TopDownMutatorContext, m *Module) {
// TODO(b/182306917): this doesn't fully handle all nested props versioned
// by the python version, which would have been handled by the version split
// mutator. This is sufficient for very simple python_library modules under
// Bionic.
py3Enabled := proptools.BoolDefault(m.properties.Version.Py3.Enabled, true)
py2Enabled := proptools.BoolDefault(m.properties.Version.Py2.Enabled, false)
var python_version *string
if py2Enabled && !py3Enabled {
python_version = &pyVersion2
} else if !py2Enabled && py3Enabled {
python_version = &pyVersion3
} else if !py2Enabled && !py3Enabled {
ctx.ModuleErrorf("bp2build converter doesn't understand having neither py2 nor py3 enabled")
} else {
// do nothing, since python_version defaults to PY2ANDPY3
}
baseAttrs := m.makeArchVariantBaseAttributes(ctx)
attrs := &bazelPythonLibraryAttributes{
Srcs: baseAttrs.Srcs,
Deps: baseAttrs.Deps,
Srcs_version: python_version,
}
props := bazel.BazelTargetModuleProperties{
Rule_class: "py_library",
Bzl_load_location: "//build/bazel/rules/python:library.bzl",
}
ctx.CreateBazelTargetModule(props, android.CommonAttributes{
Name: m.Name(),
Data: baseAttrs.Data,
}, attrs)
}
func PythonLibraryFactory() android.Module {
module := newModule(android.HostAndDeviceSupported, android.MultilibBoth)
android.InitBazelModule(module)
return module.init()
}
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