263dde779e
The zip file format does support scripts/programs prefixed to the archive, though many of the offsets are supposed to start from the beginning of the file. Some tools (python and zipinfo) are able to read zip files with arbitrary prefixes, but others (libziparchive and zipdetails) fail. So pass the file to prefix onto the zip file into merge_zips so that we can set the offsets from the real start of the file. Test: m sepolicy_tests (runs the embedded python interpreter) Test: zipinfo out/host/linux-x86/bin/sepolicy_tests Test: zipdetails out/host/linux-x86/bin/sepolicy_tests Change-Id: If73d4c2465581f7de5aa47959284ecf2059df091
127 lines
3.9 KiB
Go
127 lines
3.9 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 Ninja build actions for building Python program.
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import (
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"strings"
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"android/soong/android"
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"github.com/google/blueprint"
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_ "github.com/google/blueprint/bootstrap"
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)
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var (
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pctx = android.NewPackageContext("android/soong/python")
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zip = pctx.AndroidStaticRule("zip",
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blueprint.RuleParams{
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Command: `$parCmd -o $out $args`,
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CommandDeps: []string{"$parCmd"},
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},
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"args")
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combineZip = pctx.AndroidStaticRule("combineZip",
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blueprint.RuleParams{
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Command: `$mergeParCmd $out $in`,
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CommandDeps: []string{"$mergeParCmd"},
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},
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)
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hostPar = pctx.AndroidStaticRule("hostPar",
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blueprint.RuleParams{
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Command: `sed -e 's/%interpreter%/$interp/g' -e 's/%main%/$main/g' $template > $stub && ` +
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`echo "#!/usr/bin/env python" >${out}.prefix &&` +
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`$mergeParCmd -p --prefix ${out}.prefix -pm $stub $out $srcsZips && ` +
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`chmod +x $out && (rm -f $stub; rm -f ${out}.prefix)`,
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CommandDeps: []string{"$mergeParCmd"},
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},
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"interp", "main", "template", "stub", "srcsZips")
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embeddedPar = pctx.AndroidStaticRule("embeddedPar",
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blueprint.RuleParams{
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Command: `echo '$main' > $entryPoint &&` +
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`$mergeParCmd -p --prefix $launcher -e $entryPoint $out $srcsZips && ` +
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`chmod +x $out && (rm -f $entryPoint)`,
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CommandDeps: []string{"$mergeParCmd"},
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},
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"main", "entryPoint", "srcsZips", "launcher")
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)
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func init() {
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pctx.Import("github.com/google/blueprint/bootstrap")
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pctx.Import("android/soong/common")
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pctx.HostBinToolVariable("parCmd", "soong_zip")
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pctx.HostBinToolVariable("mergeParCmd", "merge_zips")
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}
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func registerBuildActionForParFile(ctx android.ModuleContext, embeddedLauncher bool,
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launcherPath android.OptionalPath, interpreter, main, binName string,
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srcsZips android.Paths) android.Path {
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// .intermediate output path for bin executable.
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binFile := android.PathForModuleOut(ctx, binName)
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// implicit dependency for parFile build action.
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implicits := srcsZips
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if !embeddedLauncher {
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// the path of stub_template_host.txt from source tree.
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template := android.PathForSource(ctx, stubTemplateHost)
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implicits = append(implicits, template)
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// intermediate output path for __main__.py
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stub := android.PathForModuleOut(ctx, mainFileName).String()
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ctx.Build(pctx, android.BuildParams{
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Rule: hostPar,
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Description: "host python archive",
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Output: binFile,
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Implicits: implicits,
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Args: map[string]string{
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"interp": strings.Replace(interpreter, "/", `\/`, -1),
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"main": strings.Replace(main, "/", `\/`, -1),
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"template": template.String(),
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"stub": stub,
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"srcsZips": strings.Join(srcsZips.Strings(), " "),
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},
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})
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} else if launcherPath.Valid() {
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// added launcherPath to the implicits Ninja dependencies.
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implicits = append(implicits, launcherPath.Path())
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// .intermediate output path for entry_point.txt
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entryPoint := android.PathForModuleOut(ctx, entryPointFile).String()
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ctx.Build(pctx, android.BuildParams{
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Rule: embeddedPar,
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Description: "embedded python archive",
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Output: binFile,
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Implicits: implicits,
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Args: map[string]string{
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"main": main,
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"entryPoint": entryPoint,
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"srcsZips": strings.Join(srcsZips.Strings(), " "),
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"launcher": launcherPath.String(),
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},
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})
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}
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return binFile
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}
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