mirror of
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137 lines
4.6 KiB
Python
Executable File
137 lines
4.6 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2017 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import errno
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import logging
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import os
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import shutil
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from devil.utils import cmd_helper
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from devil.utils import parallelizer
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def _MakeDirsIfAbsent(path):
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try:
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os.makedirs(path)
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except OSError as err:
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if err.errno != errno.EEXIST or not os.path.isdir(path):
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raise
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class MavenDownloader(object):
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'''
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Downloads and installs the requested artifacts from the Google Maven repo.
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The artifacts are expected to be specified in the format
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"group_id:artifact_id:version:file_type", as the default file type is JAR
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but most Android libraries are provided as AARs, which would otherwise fail
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downloading. See Install()
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'''
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# Remote repository to download the artifacts from. The support library and
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# Google Play service are only distributed there, but third party libraries
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# could use Maven Central or JCenter for example. The default Maven remote
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# is Maven Central.
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_REMOTE_REPO = 'https://maven.google.com'
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# Default Maven repository.
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_DEFAULT_REPO_PATH = os.path.join(os.getenv('HOME'), '.m2', 'repository')
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def __init__(self, debug=False):
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self._repo_path = MavenDownloader._DEFAULT_REPO_PATH
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self._remote_url = MavenDownloader._REMOTE_REPO
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self._debug = debug
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def Install(self, target_repo, artifacts, include_poms=False):
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logging.info('Installing %d artifacts...', len(artifacts))
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downloaders = [_SingleArtifactDownloader(self, artifact, target_repo)
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for artifact in artifacts]
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if self._debug:
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for downloader in downloaders:
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downloader.Run(include_poms)
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else:
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parallelizer.SyncParallelizer(downloaders).Run(include_poms)
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logging.info('%d artifacts installed to %s', len(artifacts), target_repo)
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@property
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def repo_path(self):
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return self._repo_path
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@property
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def remote_url(self):
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return self._remote_url
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@property
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def debug(self):
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return self._debug
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class _SingleArtifactDownloader(object):
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'''Handles downloading and installing a single Maven artifact.'''
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_POM_FILE_TYPE = 'pom'
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def __init__(self, download_manager, artifact, target_repo):
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self._download_manager = download_manager
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self._artifact = artifact
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self._target_repo = target_repo
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def Run(self, include_pom=False):
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parts = self._artifact.split(':')
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if len(parts) != 4:
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raise Exception('Artifacts expected as '
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'"group_id:artifact_id:version:file_type".')
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group_id, artifact_id, version, file_type = parts
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self._InstallArtifact(group_id, artifact_id, version, file_type)
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if include_pom and file_type != _SingleArtifactDownloader._POM_FILE_TYPE:
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self._InstallArtifact(group_id, artifact_id, version,
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_SingleArtifactDownloader._POM_FILE_TYPE)
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def _InstallArtifact(self, group_id, artifact_id, version, file_type):
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logging.debug('Processing %s', self._artifact)
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download_relpath = self._DownloadArtifact(
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group_id, artifact_id, version, file_type)
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logging.debug('Downloaded.')
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install_path = self._ImportArtifact(download_relpath)
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logging.debug('Installed %s', os.path.relpath(install_path))
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def _DownloadArtifact(self, group_id, artifact_id, version, file_type):
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'''
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Downloads the specified artifact using maven, to its standard location, see
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MavenDownloader._DEFAULT_REPO_PATH.
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'''
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cmd = ['mvn',
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'org.apache.maven.plugins:maven-dependency-plugin:RELEASE:get',
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'-DremoteRepositories={}'.format(self._download_manager.remote_url),
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'-Dartifact={}:{}:{}:{}'.format(group_id, artifact_id, version,
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file_type)]
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stdout = None if self._download_manager.debug else open(os.devnull, 'wb')
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try:
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ret_code = cmd_helper.Call(cmd, stdout=stdout)
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if ret_code != 0:
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raise Exception('Command "{}" failed'.format(' '.join(cmd)))
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except OSError as e:
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if e.errno == os.errno.ENOENT:
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raise Exception('mvn command not found. Please install Maven.')
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raise
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return os.path.join(os.path.join(*group_id.split('.')),
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artifact_id,
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version,
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'{}-{}.{}'.format(artifact_id, version, file_type))
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def _ImportArtifact(self, artifact_path):
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src_dir = os.path.join(self._download_manager.repo_path, artifact_path)
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dst_dir = os.path.join(self._target_repo, os.path.dirname(artifact_path))
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_MakeDirsIfAbsent(dst_dir)
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shutil.copy(src_dir, dst_dir)
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return dst_dir
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