| #!/usr/bin/env python |
| # Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file |
| # for details. All rights reserved. Use of this source code is governed by a |
| # BSD-style license that can be found in the LICENSE file. |
| |
| import argparse |
| import gradle |
| import hashlib |
| import jdk |
| import json |
| from os import makedirs |
| from os.path import join |
| from shutil import copyfile, make_archive, move, rmtree |
| import subprocess |
| import sys |
| from string import Template |
| import tempfile |
| import utils |
| |
| DEPENDENCYTEMPLATE = Template( |
| """ |
| <dependency> |
| <groupId>$group</groupId> |
| <artifactId>$artifact</artifactId> |
| <version>$version</version> |
| </dependency>""") |
| |
| LICENSETEMPLATE = Template( |
| """ |
| <license> |
| <name>$name</name> |
| <url>$url</url> |
| <distribution>repo</distribution> |
| </license>""") |
| |
| R8_POMTEMPLATE = Template( |
| """<project |
| xmlns="http://maven.apache.org/POM/4.0.0" |
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" |
| xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> |
| <modelVersion>4.0.0</modelVersion> |
| <groupId>com.android.tools</groupId> |
| <artifactId>r8</artifactId> |
| <version>$version</version> |
| <name>D8 dexer and R8 shrinker</name> |
| <description> |
| D8 dexer and R8 shrinker. |
| </description> |
| <url>http://r8.googlesource.com/r8</url> |
| <inceptionYear>2016</inceptionYear> |
| <licenses> |
| <license> |
| <name>BSD-3-Clause</name> |
| <url>https://opensource.org/licenses/BSD-3-Clause</url> |
| <distribution>repo</distribution> |
| </license>$library_licenses |
| </licenses> |
| <dependencies>$dependencies |
| </dependencies> |
| <developers> |
| <developer> |
| <name>The Android Open Source Project</name> |
| </developer> |
| </developers> |
| <scm> |
| <connection> |
| https://r8.googlesource.com/r8.git |
| </connection> |
| <url> |
| https://r8.googlesource.com/r8 |
| </url> |
| </scm> |
| </project> |
| """) |
| |
| DESUGAR_CONFIGUATION_POMTEMPLATE = Template( |
| """<project |
| xmlns="http://maven.apache.org/POM/4.0.0" |
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" |
| xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> |
| <modelVersion>4.0.0</modelVersion> |
| <groupId>com.android.tools</groupId> |
| <artifactId>desugar_jdk_libs_configuration</artifactId> |
| <version>$version</version> |
| <name>D8 configuration to desugar desugar_jdk_libs</name> |
| <description> |
| D8 configuration to desugar desugar_jdk_libs. |
| </description> |
| <url>http://r8.googlesource.com/r8</url> |
| <inceptionYear>2019</inceptionYear> |
| <licenses> |
| <license> |
| <name>BSD-3-Clause</name> |
| <url>https://opensource.org/licenses/BSD-3-Clause</url> |
| <distribution>repo</distribution> |
| </license> |
| </licenses> |
| <dependencies> |
| <groupId>com.android.tools</groupId> |
| <artifactId>desugar_jdk_libs</artifactId> |
| <version>1.0.1</version> |
| </dependencies> |
| <developers> |
| <developer> |
| <name>The Android Open Source Project</name> |
| </developer> |
| </developers> |
| <scm> |
| <connection> |
| https://r8.googlesource.com/r8.git |
| </connection> |
| <url> |
| https://r8.googlesource.com/r8 |
| </url> |
| </scm> |
| </project> |
| """) |
| |
| def parse_options(argv): |
| result = argparse.ArgumentParser() |
| result.add_argument('--out', help='The zip file to output') |
| result.add_argument('--r8lib', action='store_true', |
| help='Build r8 with dependencies included shrunken') |
| result.add_argument('--desugar-configuration', action='store_true', |
| help='Build r8 with dependencies included shrunken') |
| return result.parse_args(argv) |
| |
| def determine_version(): |
| version_file = join( |
| utils.SRC_ROOT, 'com', 'android', 'tools', 'r8', 'Version.java') |
| with open(version_file, 'r') as file: |
| for line in file: |
| if 'final String LABEL ' in line: |
| result = line[line.find('"') + 1:] |
| result = result[:result.find('"')] |
| return result |
| raise Exception('Unable to determine version.') |
| |
| def generate_library_licenses(): |
| artifact_prefix = '- artifact: ' |
| license_prefix = 'license: ' |
| licenses = [] |
| license_url_prefix = 'licenseUrl: ' |
| license_urls = [] |
| # The ./LIBRARY-LICENSE file is a simple yaml file, which for each dependency |
| # has the following information: |
| # |
| # - artifact: <maven artifact> // in the form <group-id>:<artifact-id>:+ |
| # name: <name of dependency> |
| # copyrightHolder: <name of copyright holder> |
| # license: <license name> |
| # licenseUrl: <url to license test> |
| # |
| # E.g. for Guava: |
| # |
| # - artifact: com.google.guava:guava:+ |
| # name: Guava Google Core Libraries for Java |
| # copyrightHolder: The Guava Authors |
| # license: The Apache Software License, Version 2.0 |
| # licenseUrl: http://www.apache.org/licenses/LICENSE-2.0.txt |
| # |
| # This file should always be up to date as the build will fail if it |
| # is does not have information for all dependencies. |
| with open('LIBRARY-LICENSE', 'r') as file: |
| name = None |
| url = None |
| for line in file: |
| trimmed = line.strip() |
| # Collect license name and url for each artifact. They must come in |
| # pairs for each artifact. |
| if trimmed.startswith(artifact_prefix): |
| assert not name |
| assert not url |
| if trimmed.startswith(license_prefix): |
| name = trimmed[len(license_prefix):] |
| if trimmed.startswith(license_url_prefix): |
| url = trimmed[len(license_url_prefix):] |
| # Licenses come in name/url pairs. When both are present add pair |
| # to collected licenses if either name or url has not been recorded yet, |
| # as some licenses with slightly different names point to the same url. |
| if name and url: |
| if (not name in licenses) or (not url in license_urls): |
| licenses.append(name) |
| license_urls.append(url) |
| name = None |
| url = None |
| assert len(licenses) == len(license_urls) |
| result = '' |
| for i in range(len(licenses)): |
| name = licenses[i] |
| url = license_urls[i] |
| result += LICENSETEMPLATE.substitute(name=name, url=url) |
| return result |
| |
| |
| # Generate the dependencies block for the pom file. |
| # |
| # We ask gradle to list all dependencies. In that output |
| # we locate the runtimeClasspath block for 'main' which |
| # looks something like: |
| # |
| # runtimeClasspath - Runtime classpath of source set 'main'. |
| # +--- net.sf.jopt-simple:jopt-simple:4.6 |
| # +--- com.googlecode.json-simple:json-simple:1.1 |
| # +--- com.google.guava:guava:23.0 |
| # +--- it.unimi.dsi:fastutil:7.2.0 |
| # +--- org.ow2.asm:asm:6.0 |
| # +--- org.ow2.asm:asm-commons:6.0 |
| # | \--- org.ow2.asm:asm-tree:6.0 |
| # | \--- org.ow2.asm:asm:6.0 |
| # +--- org.ow2.asm:asm-tree:6.0 (*) |
| # +--- org.ow2.asm:asm-analysis:6.0 |
| # | \--- org.ow2.asm:asm-tree:6.0 (*) |
| # \--- org.ow2.asm:asm-util:6.0 |
| # \--- org.ow2.asm:asm-tree:6.0 (*) |
| # |
| # We filter out the repeats that are marked by '(*)'. |
| # |
| # For each remaining line, we remove the junk at the start |
| # in chunks. As an example: |
| # |
| # ' | \--- org.ow2.asm:asm-tree:6.0 ' --strip--> |
| # '| \--- org.ow2.asm:asm-tree:6.0' --> |
| # '\--- org.ow2.asm:asm-tree:6.0' --> |
| # 'org.ow2.asm:asm-tree:6.0' |
| # |
| # The end result is the dependency we are looking for: |
| # |
| # groupId: org.ow2.asm |
| # artifact: asm-tree |
| # version: 6.0 |
| def generate_dependencies(): |
| dependencies = gradle.RunGradleGetOutput(['dependencies']) |
| dependency_lines = [] |
| collect = False |
| for line in dependencies.splitlines(): |
| if 'runtimeClasspath' in line and "'main'" in line: |
| collect = True |
| continue |
| if collect: |
| if not len(line) == 0: |
| if not '(*)' in line: |
| trimmed = line.strip() |
| while trimmed.find(' ') != -1: |
| trimmed = trimmed[trimmed.find(' ') + 1:].strip() |
| if not trimmed in dependency_lines: |
| dependency_lines.append(trimmed) |
| else: |
| break |
| result = '' |
| for dep in dependency_lines: |
| components = dep.split(':') |
| assert len(components) == 3 |
| group = components[0] |
| artifact = components[1] |
| version = components[2] |
| result += DEPENDENCYTEMPLATE.substitute( |
| group=group, artifact=artifact, version=version) |
| return result |
| |
| def write_pom_file(template, pom_file, version, dependencies='', library_licenses=''): |
| version_pom = template.substitute( |
| version=version, dependencies=dependencies, library_licenses=library_licenses) |
| with open(pom_file, 'w') as file: |
| file.write(version_pom) |
| |
| def hash_for(file, hash): |
| with open(file, 'rb') as f: |
| while True: |
| # Read chunks of 1MB |
| chunk = f.read(2 ** 20) |
| if not chunk: |
| break |
| hash.update(chunk) |
| return hash.hexdigest() |
| |
| def write_md5_for(file): |
| hexdigest = hash_for(file, hashlib.md5()) |
| with (open(file + '.md5', 'w')) as file: |
| file.write(hexdigest) |
| |
| def write_sha1_for(file): |
| hexdigest = hash_for(file, hashlib.sha1()) |
| with (open(file + '.sha1', 'w')) as file: |
| file.write(hexdigest) |
| |
| def generate_maven_zip(name, version, pom_file, jar_file, out): |
| with utils.TempDir() as tmp_dir: |
| # Create the base maven version directory |
| version_dir = join(tmp_dir, utils.get_maven_path(name, version)) |
| makedirs(version_dir) |
| # Write the pom file. |
| pom_file_location = join(version_dir, name + '-' + version + '.pom') |
| copyfile(pom_file, pom_file_location) |
| # Write the jar file. |
| jar_file_location = join(version_dir, name + '-' + version + '.jar') |
| copyfile(jar_file, jar_file_location) |
| # Create check sums. |
| write_md5_for(jar_file_location) |
| write_md5_for(pom_file_location) |
| write_sha1_for(jar_file_location) |
| write_sha1_for(pom_file_location) |
| # Zip it up - make_archive will append zip to the file, so remove. |
| assert out.endswith('.zip') |
| base_no_zip = out[0:len(out)-4] |
| make_archive(base_no_zip, 'zip', tmp_dir) |
| |
| def generate_r8_maven_zip(out, is_r8lib=False): |
| # Build the R8 no deps artifact. |
| if not is_r8lib: |
| gradle.RunGradleExcludeDeps([utils.R8]) |
| else: |
| gradle.RunGradle([utils.R8LIB, '-Pno_internal']) |
| |
| version = determine_version() |
| # Generate the pom file. |
| pom_file = 'r8.pom' |
| write_pom_file( |
| R8_POMTEMPLATE, |
| pom_file, |
| version, |
| "" if is_r8lib else generate_dependencies(), |
| generate_library_licenses() if is_r8lib else "") |
| # Write the maven zip file. |
| generate_maven_zip( |
| 'r8', |
| version, |
| pom_file, |
| utils.R8LIB_JAR if is_r8lib else utils.R8_JAR, |
| out) |
| |
| # Write the desugaring configuration of a jar file with the following content: |
| # META-INF |
| # desugar |
| # d8 |
| # desugar.json |
| def generate_jar_with_desugar_configuration(configuration, destination): |
| with utils.TempDir() as tmp_dir: |
| configuration_dir = join(tmp_dir, 'META-INF', 'desugar', 'd8') |
| makedirs(configuration_dir) |
| copyfile(configuration, join(configuration_dir, 'desugar.json')) |
| |
| lint_dir = join(configuration_dir, 'lint') |
| makedirs(lint_dir) |
| cmd = [ |
| jdk.GetJavaExecutable(), |
| '-cp', |
| utils.R8_JAR, |
| 'com.android.tools.r8.GenerateLintFiles', |
| configuration, |
| lint_dir] |
| utils.PrintCmd(cmd) |
| subprocess.check_call(cmd) |
| |
| make_archive(destination, 'zip', tmp_dir) |
| move(destination + '.zip', destination) |
| |
| # Generate the maven zip for the configuration to desugar desugar_jdk_libs. |
| def generate_desugar_configuration_maven_zip(out): |
| version = utils.desugar_configuration_version() |
| # Generate the pom file. |
| pom_file = 'desugar_configuration.pom' |
| write_pom_file(DESUGAR_CONFIGUATION_POMTEMPLATE, pom_file, version) |
| # Generate the jar with the configuration file. |
| jar_file = 'desugar_configuration.jar' |
| generate_jar_with_desugar_configuration( |
| utils.DESUGAR_CONFIGURATION, jar_file) |
| # Write the maven zip file. |
| generate_maven_zip( |
| 'desugar_jdk_libs_configuration', version, pom_file, jar_file, out) |
| |
| |
| def main(argv): |
| options = parse_options(argv) |
| if options.r8lib and options.desugar_configuration: |
| raise Exception( |
| 'Cannot combine options --r8lib and --desugar-configuration') |
| if options.out == None: |
| raise Exception( |
| 'Need to supply output zip with --out.') |
| if options.desugar_configuration: |
| generate_desugar_configuration_maven_zip(options.out) |
| else: |
| generate_r8_maven_zip(options.out, options.r8lib) |
| |
| if __name__ == "__main__": |
| exit(main(sys.argv[1:])) |