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Quelle python.go
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Spracherkennung für: .go vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
// 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 "Base" module type for building Python program.
import (
"fmt"
"path/filepath"
"regexp"
"sort"
"strings"
"android/soong/cc"
"github.com/google/blueprint"
"github.com/google/blueprint/depset"
"github.com/google/blueprint/proptools"
"android/soong/android"
)
//go:generate go run ../../blueprint/gobtools/codegen
// @auto-generate: gob
type PythonLibraryInfo struct {
SrcsPathMappings depset.DepSet[pathMapping]
DataPathMappings depset.DepSet[pathMapping]
SrcsZip depset.DepSet[android.Path]
PrecompiledSrcsZip depset.DepSet[android.Path]
PkgPath string
BundleSharedLibs depset.DepSet[android.Path]
}
var PythonLibraryInfoProvider = blueprint.NewProvider[PythonLibraryInfo]()
// properties that apply to all python modules
type BaseProperties struct {
// the package path prefix within the output artifact at which to place the source/data
// files of the current module.
// eg. Pkg_path = "a/b/c"; Other packages can reference this module by using
// (from a.b.c import ...) statement.
// if left unspecified, all the source/data files path is unchanged within zip file.
Pkg_path *string
// true, if the Python module is used internally, eg, Python std libs.
Is_internal *bool
// list of source (.py) files compatible both with Python2 and Python3 used to compile the
// Python module.
// srcs may reference the outputs of other modules that produce source files like genrule
// or filegroup using the syntax ":module".
// Srcs has to be non-empty.
Srcs []string `android:"path,arch_variant"`
// list of source files that should not be used to build the C/C++ module.
// This is most useful in the arch/multilib variants to remove non-common files
Exclude_srcs []string `android:"path,arch_variant"`
// list of files or filegroup modules that provide data that should be installed alongside
// the test. the file extension can be arbitrary except for (.py).
Data []string `android:"path,arch_variant"`
// Same as data, but will add dependencies on modules using the device's os variation and
// the common arch variation. Useful for a host test that wants to embed a module built for
// device.
Device_common_data []string `android:"path_device_common"`
// Same as data, but will add dependencies on modules via a device os variation and the
// device's first supported arch's variation. Useful for a host test that wants to embed a
// module built for device.
Device_first_data []string `android:"path_device_first"`
// list of java modules that provide data that should be installed alongside the test.
Java_data []string
// list of the Python libraries compatible both with Python2 and Python3.
Libs []string `android:"arch_variant"`
// list of shared libraries that should be packaged with the python code for this module.
Shared_libs []string `android:"arch_variant"`
// whether the binary is required to be built with an embedded python interpreter, defaults to
// true. This allows taking the resulting binary outside of the build and running it on machines
// that don't have python installed or may have an older version of python.
Embedded_launcher *bool
}
// Used to store files of current module after expanding dependencies
// @auto-generate: gob
type pathMapping struct {
module string
dest string
src android.Path
}
type PythonLibraryModule struct {
android.ModuleBase
android.DefaultableModuleBase
properties BaseProperties
protoProperties android.ProtoProperties
// initialize before calling Init
hod android.HostOrDeviceSupported
multilib android.Multilib
// the Python files of current module after expanding source dependencies.
// pathMapping: <dest: runfile_path, src: source_path>
srcsPathMappings []pathMapping
// the data files of current module after expanding source dependencies.
// pathMapping: <dest: runfile_path, src: source_path>
dataPathMappings []pathMapping
// The zip file containing the current module's source/data files.
srcsZip android.Path
// The zip file containing the current module's source/data files, with the
// source files precompiled.
precompiledSrcsZip android.Path
sourceProperties android.SourceProperties
// The shared libraries that should be bundled with the python code for
// any standalone python binaries that depend on this module.
bundleSharedLibs android.Paths
libraryInfo PythonLibraryInfo
}
// newModule generates new Python base module
func newModule(hod android.HostOrDeviceSupported, multilib android.Multilib) *PythonL ibraryModule {
return &PythonLibraryModule{
hod: hod,
multilib: multilib,
}
}
func (p *PythonLibraryModule) init() android.Module {
p.AddProperties(&p.properties, &p.protoProperties, &p.sourceProperties)
android.InitAndroidArchModule(p, p.hod, p.multilib)
android.InitDefaultableModule(p)
return p
}
// Python-specific tag to transfer information on the purpose of a dependency.
// This is used when adding a dependency on a module, which can later be accessed when visiting
// dependencies.
type dependencyTag struct {
blueprint.BaseDependencyTag
name string
}
// Python-specific tag that indicates that installed files of this module should depend on installed
// files of the dependency
type installDependencyTag struct {
blueprint.BaseDependencyTag
// embedding this struct provides the installation dependency requirement
android.InstallAlwaysNeededDependencyTag
name string
}
var (
pythonLibTag = dependencyTag{name: "pythonLib"}
javaDataTag = dependencyTag{name: "javaData"}
sharedLibTag = dependencyTag{name: "sharedLib"}
// The python interpreter, with soong module name "py3-launcher" or "py3-launcher-autorun".
launcherTag = dependencyTag{name: "launcher"}
launcherSharedLibTag = installDependencyTag{name: "launcherSharedLib"}
// The python interpreter built for host so that we can precompile python sources.
// This only works because the precompiled sources don't vary by architecture.
// The soong module name is "py3-launcher".
hostLauncherTag = dependencyTag{name: "hostLauncher"}
hostlauncherSharedLibTag = dependencyTag{name: "hostlauncherSharedLib"}
hostStdLibTag = dependencyTag{name: "hostStdLib"}
pathComponentRegexp = regexp.MustCompile(`^[a-zA-Z_][a-zA-Z0-9_-]*$`)
pyExt = ".py"
protoExt = ".proto"
internalPath = "internal"
)
func anyHasExt(paths []string, ext string) bool {
for _, p := range paths {
if filepath.Ext(p) == ext {
return true
}
}
return false
}
func (p *PythonLibraryModule) anySrcHasExt(ctx android.BottomUpMutatorContext, ext string) bool {
return anyHasExt(p.properties.Srcs, ext)
}
// DepsMutator mutates dependencies for this module:
// - handles proto dependencies,
// - if required, specifies launcher and adds launcher dependencies,
// - applies python version mutations to Python dependencies
func (p *PythonLibraryModule) DepsMutator(ctx android.BottomUpMutatorContext) {
android.ProtoDeps(ctx, &p.protoProperties)
// If sources contain a proto file, add dependency on libprotobuf-python
if p.anySrcHasExt(ctx, protoExt) && p.Name() != "libprotobuf-python" {
ctx.AddDependency(ctx.Module(), pythonLibTag, "libprotobuf-python")
}
// Add python library dependencies for this python version variation
ctx.AddDependency(ctx.Module(), pythonLibTag, android.LastUniqueStrings(p.properties.Libs)...)
// Emulate the data property for java_data but with the arch variation overridden to "common"
// so that it can point to java modules.
javaDataVariation := []blueprint.Variation{{"arch", android.Common.String()}}
ctx.AddVariationDependencies(javaDataVariation, javaDataTag, p.properties.Java_data...)
if ctx.Host() {
ctx.AddVariationDependencies(ctx.Config().BuildOSTarget.Variations(), sharedLibTag, p.properties.Shared_libs...)
} else if len(p.properties.Shared_libs) > 0 {
ctx.PropertyErrorf("shared_libs", "shared_libs is not supported for device builds")
}
p.AddDepsOnPythonLauncherAndStdlib(ctx, hostStdLibTag, hostLauncherTag, hostlauncherSharedLibTag, false, ctx.Config().BuildOSTarget)
ctx.AddHostToolDependencies("aprotoc", "soong_zip")
}
// AddDepsOnPythonLauncherAndStdlib will make the current module depend on the python stdlib,
// launcher (interpreter), and the launcher's shared libraries. If autorun is true, it will use
// the autorun launcher instead of the regular one. This function acceps a targetForDeps argument
// as the target to use for these dependencies. For embedded launcher python binaries, the launcher
// that will be embedded will be under the same target as the python module itself. But when
// precompiling python code, we need to get the python launcher built for host, even if we're
// compiling the python module for device, so we pass a different target to this function.
func (p *PythonLibraryModule) AddDepsOnPythonLauncherAndStdlib(ctx android.BottomUpMutatorContext,
stdLibTag, launcherTag, launcherSharedLibTag blueprint.DependencyTag,
autorun bool, targetForDeps android.Target) {
var stdLib string
var launcherModule string
// Add launcher shared lib dependencies. Ideally, these should be
// derived from the `shared_libs` property of the launcher. TODO: read these from
// the python launcher itself using ctx.OtherModuleProvider() or similar on the result
// of ctx.AddFarVariationDependencies()
launcherSharedLibDeps := []string{
"libsqlite",
}
// Add launcher-specific dependencies for bionic
if targetForDeps.Os.Bionic() {
launcherSharedLibDeps = append(launcherSharedLibDeps, "libc", "libdl", "libm")
}
if targetForDeps.Os == android.LinuxMusl && !ctx.Config().HostStaticBinaries() {
launcherSharedLibDeps = append(launcherSharedLibDeps, "libc_musl")
}
var prebuiltStdLib bool
if targetForDeps.Os.Bionic() {
prebuiltStdLib = false
} else if ctx.Config().VendorConfig("cpython3").Bool("force_build_host") {
prebuiltStdLib = false
} else {
prebuiltStdLib = true
}
if prebuiltStdLib {
stdLib = "py3-stdlib-prebuilt"
} else {
stdLib = "py3-stdlib"
}
launcherModule = "py3-launcher"
if autorun {
launcherModule = "py3-launcher-autorun"
}
if ctx.Config().HostStaticBinaries() && targetForDeps.Os == android.LinuxMusl {
launcherModule += "-static"
}
if ctx.Device() {
launcherSharedLibDeps = append(launcherSharedLibDeps, "liblog")
}
targetVariations := targetForDeps.Variations()
if ctx.ModuleName() != stdLib {
// Using AddFarVariationDependencies for all of these because they can be for a different
// platform, like if the python module itself was being compiled for device, we may want
// the python interpreter built for host so that we can precompile python sources.
ctx.AddFarVariationDependencies(targetVariations, stdLibTag, stdLib)
}
ctx.AddFarVariationDependencies(targetVariations, launcherTag, launcherModule)
ctx.AddFarVariationDependencies(targetVariations, launcherSharedLibTag, launcherSharedLibDeps...)
}
// GenerateAndroidBuildActions performs build actions common to all Python modules
func (p *PythonLibraryModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
expandedSrcs := android.PathsForModuleSrcExcludes(ctx, p.properties.Srcs, p.properties.Exclude_srcs)
// Keep before any early returns.
ctx.SetTestModuleInfo(&android.TestModuleInformation{
TestOnly: Bool(p.sourceProperties.Test_only),
TopLevelTarget: p.sourceProperties.Top_level_test_target,
})
// expand data files from "data" property.
expandedData := android.PathsForModuleSrc(ctx, p.properties.Data)
expandedData = append(expandedData, android.PathsForModuleSrc(ctx, p.properties.Device_common_data)...)
expandedData = append(expandedData, android.PathsForModuleSrc(ctx, p.properties.Device_first_data)...)
// Emulate the data property for java_data dependencies.
for _, javaData := range ctx.GetDirectDepsProxyWithTag(javaDataTag) {
expandedData = append(expandedData, android.OutputFilesForModule(ctx, javaData, "")...)
}
var directImplementationDeps android.Paths
var transitiveImplementationDeps []depset.DepSet[android.Path]
// we only collect dependencies tagged as python library deps
ctx.VisitDirectDepsProxyWithTag(sharedLibTag, func(dep android.ModuleProxy) {
sharedLibInfo, _ := android.OtherModuleProvider(ctx, dep, cc.SharedLibraryInfoProvider)
if sharedLibInfo.SharedLibrary != nil {
expandedData = append(expandedData, android.OutputFilesForModule(ctx, dep, "")...)
directImplementationDeps = append(directImplementationDeps, android.OutputFilesForModule(ctx, dep, "")...)
if info, ok := android.OtherModuleProvider(ctx, dep, cc.ImplementationDepInfoProvider); ok {
transitiveImplementationDeps = append(transitiveImplementationDeps, info.ImplementationDeps)
p.bundleSharedLibs = append(p.bundleSharedLibs, info.ImplementationDeps.ToList()...)
}
} else {
ctx.PropertyErrorf("shared_libs", "%q of type %q is not supported", dep.Name(), ctx.OtherModuleType(dep))
}
})
android.SetProvider(ctx, cc.ImplementationDepInfoProvider, &cc.ImplementationDepInfo{
ImplementationDeps: depset.New(depset.PREORDER, directImplementationDeps, transitiveImplementationDeps),
})
// Validate pkg_path property
pkgPath := String(p.properties.Pkg_path)
if pkgPath != "" {
// TODO: export validation from android/paths.go handling to replace this duplicated functionality
pkgPath = filepath.Clean(String(p.properties.Pkg_path))
if pkgPath == ".." || strings.HasPrefix(pkgPath, "../") ||
strings.HasPrefix(pkgPath, "/") {
ctx.PropertyErrorf("pkg_path",
"%q must be a relative path contained in par file.",
String(p.properties.Pkg_path))
return
}
}
// If property Is_internal is set, prepend pkgPath with internalPath
if proptools.BoolDefault(p.properties.Is_internal, false) {
pkgPath = filepath.Join(internalPath, pkgPath)
}
// generate src:destination path mappings for this module
p.genModulePathMappings(ctx, pkgPath, expandedSrcs, expandedData)
// generate the zipfile of all source and data files
p.srcsZip = p.createSrcsZip(ctx, pkgPath)
p.precompiledSrcsZip = p.precompileSrcs(ctx)
srcsPathMappingsDepSetBuilder := depset.NewBuilder[pathMapping](depset.PREORDER).Direct(p.srcsPathMappings...)
dataPathMappingsDepSetBuilder := depset.NewBuilder[pathMapping](depset.PREORDER).Direct(p.dataPathMappings...)
srcsZipDepSetBuilder := depset.NewBuilder[android.Path](depset.PREORDER).Direct(p.srcsZip)
precompiledSrcsZipDepSetBuilder := depset.NewBuilder[android.Path](depset.PREORDER).Direct(p.precompiledSrcsZip)
bundledSharedLibsDepSetBuilder := depset.NewBuilder[android.Path](depset.PREORDER).Direct(p.bundleSharedLibs...)
ctx.VisitDirectDepsProxyWithTag(pythonLibTag, func(dep android.ModuleProxy) {
library, isLibrary := android.OtherModuleProvider(ctx, dep, PythonLibraryInfoProvider)
_, isBinary := android.OtherModuleProvider(ctx, dep, PythonBinaryInfoProvider)
if !isLibrary || isBinary {
ctx.PropertyErrorf("libs", "the dependency %q is not Python library!", ctx.OtherModuleName(dep))
return
}
srcsPathMappingsDepSetBuilder.Transitive(library.SrcsPathMappings)
dataPathMappingsDepSetBuilder.Transitive(library.DataPathMappings)
srcsZipDepSetBuilder.Transitive(library.SrcsZip)
precompiledSrcsZipDepSetBuilder.Transitive(library.PrecompiledSrcsZip)
bundledSharedLibsDepSetBuilder.Transitive(library.BundleSharedLibs)
})
p.libraryInfo = PythonLibraryInfo{
SrcsPathMappings: srcsPathMappingsDepSetBuilder.Build(),
DataPathMappings: dataPathMappingsDepSetBuilder.Build(),
SrcsZip: srcsZipDepSetBuilder.Build(),
PkgPath: String(p.properties.Pkg_path),
PrecompiledSrcsZip: precompiledSrcsZipDepSetBuilder.Build(),
BundleSharedLibs: bundledSharedLibsDepSetBuilder.Build(),
}
android.SetProvider(ctx, PythonLibraryInfoProvider, p.libraryInfo)
}
func isValidPythonPath(path string) error {
identifiers := strings.Split(strings.TrimSuffix(path, filepath.Ext(path)), "/")
for _, token := range identifiers {
if !pathComponentRegexp.MatchString(token) {
return fmt.Errorf("the path %q contains invalid subpath %q. "+
"Subpaths must be at least one character long. "+
"The first character must an underscore or letter. "+
"Following characters may be any of: letter, digit, underscore, hyphen.",
path, token)
}
}
return nil
}
// For this module, generate unique pathMappings: <dest: runfiles_path, src: source_path>
// for python/data files expanded from properties.
func (p *PythonLibraryModule) genModulePathMappings(ctx android.ModuleContext, pkgPath string,
expandedSrcs, expandedData android.Paths) {
// fetch <runfiles_path, source_path> pairs from "src" and "data" properties to
// check current module duplicates.
destToPySrcs := make(map[string]pathMapping)
destToPyData := make(map[string]pathMapping)
// Disable path checks for the stdlib, as it includes a "." in the version string
isInternal := proptools.BoolDefault(p.properties.Is_internal, false)
for _, s := range expandedSrcs {
if s.Ext() != pyExt && s.Ext() != protoExt {
ctx.PropertyErrorf("srcs", "found non (.py|.proto) file: %q!", s.String())
continue
}
runfilesPath := filepath.Join(pkgPath, s.Rel())
if !isInternal {
if err := isValidPythonPath(runfilesPath); err != nil {
ctx.PropertyErrorf("srcs", err.Error())
}
}
path := pathMapping{module: ctx.ModuleName(), dest: runfilesPath, src: s}
if !checkForDuplicateOutputPath(ctx, destToPySrcs, path) {
p.srcsPathMappings = append(p.srcsPathMappings, path)
}
}
for _, d := range expandedData {
if d.Ext() == pyExt {
ctx.PropertyErrorf("data", "found (.py) file: %q!", d.String())
continue
}
runfilesPath := filepath.Join(pkgPath, d.Rel())
path := pathMapping{module: ctx.ModuleName(), dest: runfilesPath, src: d}
if !checkForDuplicateOutputPath(ctx, destToPyData, path) {
p.dataPathMappings = append(p.dataPathMappings, path)
}
}
}
// createSrcsZip registers build actions to zip current module's sources and data.
func (p *PythonLibraryModule) createSrcsZip(ctx android.ModuleContext, pkgPath string) android.Path {
relativeRootMap := make(map[string]android.Paths)
var protoSrcs android.Paths
addPathMapping := func(path pathMapping) {
relativeRoot := strings.TrimSuffix(path.src.String(), path.src.Rel())
relativeRootMap[relativeRoot] = append(relativeRootMap[relativeRoot], path.src)
}
// "srcs" or "data" properties may contain filegroups so it might happen that
// the root directory for each source path is different.
for _, path := range p.srcsPathMappings {
// handle proto sources separately
if path.src.Ext() == protoExt {
protoSrcs = append(protoSrcs, path.src)
} else {
addPathMapping(path)
}
}
for _, path := range p.dataPathMappings {
addPathMapping(path)
}
var zips android.Paths
if len(protoSrcs) > 0 {
protoFlags := android.GetProtoFlags(ctx, &p.protoProperties)
protoFlags.OutTypeFlag = "--python_out"
if pkgPath != "" {
pkgPathStagingDir := android.PathForModuleGen(ctx, "protos_staged_for_pkg_path")
rule := android.NewRuleBuilder(pctx, ctx)
var stagedProtoSrcs android.Paths
for _, srcFile := range protoSrcs {
stagedProtoSrc := pkgPathStagingDir.Join(ctx, pkgPath, srcFile.Rel())
rule.Command().BuiltTool("cp").Flag("-f").Input(srcFile).Output(stagedProtoSrc)
stagedProtoSrcs = append(stagedProtoSrcs, stagedProtoSrc)
}
rule.Build("stage_protos_for_pkg_path", "Stage protos for pkg_path")
protoSrcs = stagedProtoSrcs
}
// Srcs are compiled independently, and may depend on each other.
protoFlags.Deps = append(protoFlags.Deps, protoSrcs...)
for _, srcFile := range protoSrcs {
zip := genProto(ctx, srcFile, protoFlags)
zips = append(zips, zip)
}
}
if len(relativeRootMap) > 0 {
// in order to keep stable order of soong_zip params, we sort the keys here.
roots := android.SortedKeys(relativeRootMap)
// Use -symlinks=false so that the symlinks in the bazel output directory are followed
parArgs := []string{"-symlinks=false"}
if pkgPath != "" {
// use package path as path prefix
parArgs = append(parArgs, `-P `+pkgPath)
}
paths := android.Paths{}
for _, root := range roots {
// specify relative root of file in following -f arguments
parArgs = append(parArgs, `-C `+root)
for _, path := range relativeRootMap[root] {
parArgs = append(parArgs, `-f `+path.String())
paths = append(paths, path)
}
}
origSrcsZip := android.PathForModuleOut(ctx, ctx.ModuleName()+".py.srcszip")
ctx.Build(pctx, android.BuildParams{
Rule: zip,
Description: "python library archive",
Output: origSrcsZip,
// as zip rule does not use $in, there is no real need to distinguish between Inputs and Implicits
Implicits: paths,
Args: map[string]string{
"args": strings.Join(parArgs, " "),
},
})
zips = append(zips, origSrcsZip)
}
// we may have multiple zips due to separate handling of proto source files
if len(zips) == 1 {
return zips[0]
} else {
combinedSrcsZip := android.PathForModuleOut(ctx, ctx.ModuleName()+".srcszip")
ctx.Build(pctx, android.BuildParams{
Rule: combineZip,
Description: "combine python library archive",
Output: combinedSrcsZip,
Inputs: zips,
})
return combinedSrcsZip
}
}
func (p *PythonLibraryModule) precompileSrcs(ctx android.ModuleContext) android.Path {
// To precompile the python sources, we need a python interpreter and stdlib built
// for host. We then use those to compile the python sources, which may be used on either
// host of device. Python bytecode is architecture agnostic, so we're essentially
// "cross compiling" for device here purely by virtue of host and device python bytecode
// being the same.
var stdLib android.Path
var stdLibPkg string
var launcher android.Path
if proptools.BoolDefault(p.properties.Is_internal, false) {
stdLib = p.srcsZip
stdLibPkg = String(p.properties.Pkg_path)
} else {
ctx.VisitDirectDepsProxyWithTag(hostStdLibTag, func(module android.ModuleProxy) {
if dep, ok := android.OtherModuleProvider(ctx, module, PythonLibraryInfoProvider); ok {
stdlibPrecompiledSrcsZip := dep.PrecompiledSrcsZip.ToList()
if len(stdlibPrecompiledSrcsZip) == 1 {
stdLib = stdlibPrecompiledSrcsZip[0]
} else {
ctx.ModuleErrorf("expected one source zip from stdlib dependency %s, got %d",
ctx.OtherModuleName(module), len(stdlibPrecompiledSrcsZip))
stdLib = android.PathForModuleOut(ctx, "missing_stdlib")
}
stdLibPkg = dep.PkgPath
}
})
}
ctx.VisitDirectDepsProxyWithTag(hostLauncherTag, func(module android.ModuleProxy) {
if dep, ok := android.OtherModuleProvider(ctx, module, cc.LinkableInfoProvider); ok {
optionalLauncher := dep.OutputFile
if optionalLauncher.Valid() {
launcher = optionalLauncher.Path()
}
}
})
var launcherSharedLibs android.Paths
var ldLibraryPath []string
ctx.VisitDirectDepsProxyWithTag(hostlauncherSharedLibTag, func(module android.ModuleProxy) {
if dep, ok := android.OtherModuleProvider(ctx, module, cc.LinkableInfoProvider); ok {
optionalPath := dep.OutputFile
if optionalPath.Valid() {
launcherSharedLibs = append(launcherSharedLibs, optionalPath.Path())
ldLibraryPath = append(ldLibraryPath, filepath.Dir(optionalPath.Path().String()))
}
}
})
out := android.PathForModuleOut(ctx, ctx.ModuleName()+".srcszipprecompiled")
if stdLib == nil || launcher == nil {
// This shouldn't happen in a real build because we'll error out when adding dependencies
// on the stdlib and launcher if they don't exist. But some tests set
// AllowMissingDependencies.
return out
}
ctx.Build(pctx, android.BuildParams{
Rule: precompile,
Input: p.srcsZip,
Output: out,
Implicits: launcherSharedLibs,
Description: "Precompile the python sources of " + ctx.ModuleName(),
Args: map[string]string{
"stdlibZip": stdLib.String(),
"stdlibPkg": stdLibPkg,
"launcher": launcher.String(),
"ldLibraryPath": strings.Join(ldLibraryPath, ":"),
},
})
return out
}
// checkDuplicatePaths checks for source/data files for duplicate paths
// for module and its transitive dependencies and collects list of data/source file
// zips for transitive dependencies.
func (p *PythonLibraryModule) checkDuplicatePaths(ctx android.ModuleContext) {
// fetch <runfiles_path, source_path> pairs from "src" and "data" properties to
// check duplicates.
destToPySrcs := make(map[string]pathMapping)
destToPyData := make(map[string]pathMapping)
for _, path := range p.libraryInfo.SrcsPathMappings.ToList() {
checkForDuplicateOutputPath(ctx, destToPySrcs, path)
}
for _, path := range p.libraryInfo.DataPathMappings.ToList() {
checkForDuplicateOutputPath(ctx, destToPyData, path)
}
}
func (p *PythonLibraryModule) zipSharedLibs(ctx android.ModuleContext, bundleSharedLibs android.Paths) android.Path {
// sort the paths to keep the output deterministic
sort.Slice(bundleSharedLibs, func(i, j int) bool {
return bundleSharedLibs[i].String() < bundleSharedLibs[j].String()
})
parArgs := []string{"-symlinks=false", "-P lib64"}
paths := android.Paths{}
for _, path := range bundleSharedLibs {
// specify relative root of file in following -f arguments
parArgs = append(parArgs, `-C `+filepath.Dir(path.String()))
parArgs = append(parArgs, `-f `+path.String())
paths = append(paths, path)
}
srcsZip := android.PathForModuleOut(ctx, ctx.ModuleName()+".sharedlibs.srcszip")
ctx.Build(pctx, android.BuildParams{
Rule: zip,
Description: "bundle shared libraries for python binary",
Output: srcsZip,
Implicits: paths,
Args: map[string]string{
"args": strings.Join(parArgs, " "),
},
})
return srcsZip
}
// chckForDuplicateOutputPath checks whether outputPath has already been included in map m, which
// would result in two files being placed in the same location.
// If there is a duplicate path, an error is thrown and true is returned
// Otherwise, outputPath: srcPath is added to m and returns false
func checkForDuplicateOutputPath(ctx android.ModuleContext, m map[string]pathMapping, path pathMapping) bool {
if oldPathMapping, found := m[path.dest]; found {
ctx.ModuleErrorf("found two files to be placed at the same location within zip %q."+
" First file: in module %s at path %q."+
" Second file: in module %s at path %q.",
path.dest, oldPathMapping.module, oldPathMapping.src, path.module, path.src)
return true
}
m[path.dest] = path
return false
}
// InstallInData returns true as Python is not supported in the system partition
func (p *PythonLibraryModule) InstallInData() bool {
return true
}
var Bool = proptools.Bool
var BoolDefault = proptools.BoolDefault
var String = proptools.String
[Dauer der Verarbeitung: 0.23 Sekunden, vorverarbeitet 2026-06-28]
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2026-07-09
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