mirror of
https://github.com/signalwire/freeswitch.git
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import libyuv at hash 38d37a5 from https://chromium.googlesource.com/libyuv/libyuv/
This commit is contained in:
Michael Jerris
519
libs/libyuv/setup_links.py
Executable file
519
libs/libyuv/setup_links.py
Executable file
@@ -0,0 +1,519 @@
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#!/usr/bin/env python
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# Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
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#
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# Use of this source code is governed by a BSD-style license
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# that can be found in the LICENSE file in the root of the source
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# tree. An additional intellectual property rights grant can be found
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# in the file PATENTS. All contributing project authors may
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# be found in the AUTHORS file in the root of the source tree.
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"""Setup links to a Chromium checkout for WebRTC.
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WebRTC standalone shares a lot of dependencies and build tools with Chromium.
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To do this, many of the paths of a Chromium checkout is emulated by creating
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symlinks to files and directories. This script handles the setup of symlinks to
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achieve this.
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It also handles cleanup of the legacy Subversion-based approach that was used
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before Chrome switched over their master repo from Subversion to Git.
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"""
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import ctypes
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import errno
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import logging
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import optparse
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import os
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import shelve
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import shutil
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import subprocess
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import sys
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import textwrap
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DIRECTORIES = [
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'build',
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'buildtools',
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'google_apis', # Needed by build/common.gypi.
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'net',
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'testing',
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'third_party/binutils',
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'third_party/boringssl',
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'third_party/colorama',
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'third_party/drmemory',
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'third_party/expat',
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'third_party/icu',
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'third_party/instrumented_libraries',
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'third_party/jsoncpp',
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'third_party/libjpeg',
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'third_party/libjpeg_turbo',
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'third_party/libsrtp',
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'third_party/libudev',
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'third_party/libvpx_new',
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'third_party/libyuv',
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'third_party/llvm-build',
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'third_party/lss',
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'third_party/nss',
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'third_party/ocmock',
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'third_party/openmax_dl',
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'third_party/opus',
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'third_party/proguard',
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'third_party/protobuf',
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'third_party/sqlite',
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'third_party/syzygy',
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'third_party/usrsctp',
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'third_party/yasm',
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'third_party/zlib',
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'tools/clang',
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'tools/generate_library_loader',
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'tools/gn',
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'tools/gyp',
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'tools/memory',
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'tools/protoc_wrapper',
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'tools/python',
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'tools/swarming_client',
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'tools/valgrind',
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'tools/vim',
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'tools/win',
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]
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from sync_chromium import get_target_os_list
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target_os = get_target_os_list()
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if 'android' in target_os:
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DIRECTORIES += [
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'base',
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'third_party/android_platform',
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'third_party/android_testrunner',
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'third_party/android_tools',
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'third_party/appurify-python',
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'third_party/ashmem',
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'third_party/catapult',
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'third_party/ijar',
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'third_party/jsr-305',
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'third_party/junit',
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'third_party/libevent',
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'third_party/libxml',
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'third_party/mockito',
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'third_party/modp_b64',
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'third_party/requests',
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'third_party/robolectric',
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'tools/android',
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'tools/grit',
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'tools/relocation_packer',
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'tools/telemetry',
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]
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if 'ios' in target_os:
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DIRECTORIES.append('third_party/class-dump')
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FILES = {
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'tools/find_depot_tools.py': None,
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'tools/isolate_driver.py': None,
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'third_party/BUILD.gn': None,
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}
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ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
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CHROMIUM_CHECKOUT = os.path.join('chromium', 'src')
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LINKS_DB = 'links'
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# Version management to make future upgrades/downgrades easier to support.
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SCHEMA_VERSION = 1
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def query_yes_no(question, default=False):
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"""Ask a yes/no question via raw_input() and return their answer.
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Modified from http://stackoverflow.com/a/3041990.
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"""
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prompt = " [%s/%%s]: "
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prompt = prompt % ('Y' if default is True else 'y')
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prompt = prompt % ('N' if default is False else 'n')
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if default is None:
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default = 'INVALID'
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while True:
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sys.stdout.write(question + prompt)
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choice = raw_input().lower()
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if choice == '' and default != 'INVALID':
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return default
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if 'yes'.startswith(choice):
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return True
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elif 'no'.startswith(choice):
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return False
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print "Please respond with 'yes' or 'no' (or 'y' or 'n')."
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# Actions
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class Action(object):
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def __init__(self, dangerous):
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self.dangerous = dangerous
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def announce(self, planning):
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"""Log a description of this action.
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Args:
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planning - True iff we're in the planning stage, False if we're in the
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doit stage.
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"""
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pass
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def doit(self, links_db):
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"""Execute the action, recording what we did to links_db, if necessary."""
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pass
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class Remove(Action):
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def __init__(self, path, dangerous):
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super(Remove, self).__init__(dangerous)
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self._priority = 0
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self._path = path
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def announce(self, planning):
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log = logging.warn
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filesystem_type = 'file'
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if not self.dangerous:
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log = logging.info
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filesystem_type = 'link'
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if planning:
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log('Planning to remove %s: %s', filesystem_type, self._path)
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else:
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log('Removing %s: %s', filesystem_type, self._path)
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def doit(self, _):
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os.remove(self._path)
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class Rmtree(Action):
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def __init__(self, path):
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super(Rmtree, self).__init__(dangerous=True)
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self._priority = 0
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self._path = path
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def announce(self, planning):
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if planning:
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logging.warn('Planning to remove directory: %s', self._path)
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else:
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logging.warn('Removing directory: %s', self._path)
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def doit(self, _):
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if sys.platform.startswith('win'):
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# shutil.rmtree() doesn't work on Windows if any of the directories are
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# read-only, which svn repositories are.
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subprocess.check_call(['rd', '/q', '/s', self._path], shell=True)
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else:
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shutil.rmtree(self._path)
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class Makedirs(Action):
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def __init__(self, path):
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super(Makedirs, self).__init__(dangerous=False)
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self._priority = 1
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self._path = path
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def doit(self, _):
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try:
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os.makedirs(self._path)
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except OSError as e:
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if e.errno != errno.EEXIST:
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raise
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class Symlink(Action):
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def __init__(self, source_path, link_path):
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super(Symlink, self).__init__(dangerous=False)
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self._priority = 2
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self._source_path = source_path
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self._link_path = link_path
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def announce(self, planning):
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if planning:
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logging.info(
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'Planning to create link from %s to %s', self._link_path,
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self._source_path)
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else:
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logging.debug(
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'Linking from %s to %s', self._link_path, self._source_path)
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def doit(self, links_db):
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# Files not in the root directory need relative path calculation.
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# On Windows, use absolute paths instead since NTFS doesn't seem to support
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# relative paths for symlinks.
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if sys.platform.startswith('win'):
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source_path = os.path.abspath(self._source_path)
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else:
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if os.path.dirname(self._link_path) != self._link_path:
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source_path = os.path.relpath(self._source_path,
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os.path.dirname(self._link_path))
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os.symlink(source_path, os.path.abspath(self._link_path))
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links_db[self._source_path] = self._link_path
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class LinkError(IOError):
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"""Failed to create a link."""
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pass
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# Handles symlink creation on the different platforms.
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if sys.platform.startswith('win'):
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def symlink(source_path, link_path):
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flag = 1 if os.path.isdir(source_path) else 0
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if not ctypes.windll.kernel32.CreateSymbolicLinkW(
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unicode(link_path), unicode(source_path), flag):
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raise OSError('Failed to create symlink to %s. Notice that only NTFS '
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'version 5.0 and up has all the needed APIs for '
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'creating symlinks.' % source_path)
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os.symlink = symlink
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class WebRTCLinkSetup(object):
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def __init__(self, links_db, force=False, dry_run=False, prompt=False):
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self._force = force
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self._dry_run = dry_run
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self._prompt = prompt
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self._links_db = links_db
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def CreateLinks(self, on_bot):
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logging.debug('CreateLinks')
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# First, make a plan of action
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actions = []
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for source_path, link_path in FILES.iteritems():
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actions += self._ActionForPath(
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source_path, link_path, check_fn=os.path.isfile, check_msg='files')
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for source_dir in DIRECTORIES:
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actions += self._ActionForPath(
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source_dir, None, check_fn=os.path.isdir,
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check_msg='directories')
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if not on_bot and self._force:
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# When making the manual switch from legacy SVN checkouts to the new
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# Git-based Chromium DEPS, the .gclient_entries file that contains cached
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# URLs for all DEPS entries must be removed to avoid future sync problems.
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entries_file = os.path.join(os.path.dirname(ROOT_DIR), '.gclient_entries')
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if os.path.exists(entries_file):
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actions.append(Remove(entries_file, dangerous=True))
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actions.sort()
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if self._dry_run:
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for action in actions:
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action.announce(planning=True)
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logging.info('Not doing anything because dry-run was specified.')
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sys.exit(0)
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if any(a.dangerous for a in actions):
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logging.warn('Dangerous actions:')
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for action in (a for a in actions if a.dangerous):
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action.announce(planning=True)
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print
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if not self._force:
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logging.error(textwrap.dedent("""\
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@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
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A C T I O N R E Q I R E D
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@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
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Because chromium/src is transitioning to Git (from SVN), we needed to
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change the way that the WebRTC standalone checkout works. Instead of
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individually syncing subdirectories of Chromium in SVN, we're now
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syncing Chromium (and all of its DEPS, as defined by its own DEPS file),
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into the `chromium/src` directory.
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As such, all Chromium directories which are currently pulled by DEPS are
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now replaced with a symlink into the full Chromium checkout.
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To avoid disrupting developers, we've chosen to not delete your
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directories forcibly, in case you have some work in progress in one of
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them :).
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ACTION REQUIRED:
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Before running `gclient sync|runhooks` again, you must run:
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%s%s --force
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Which will replace all directories which now must be symlinks, after
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prompting with a summary of the work-to-be-done.
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"""), 'python ' if sys.platform.startswith('win') else '', sys.argv[0])
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sys.exit(1)
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elif self._prompt:
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if not query_yes_no('Would you like to perform the above plan?'):
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sys.exit(1)
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for action in actions:
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action.announce(planning=False)
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action.doit(self._links_db)
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if not on_bot and self._force:
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logging.info('Completed!\n\nNow run `gclient sync|runhooks` again to '
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'let the remaining hooks (that probably were interrupted) '
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'execute.')
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def CleanupLinks(self):
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logging.debug('CleanupLinks')
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for source, link_path in self._links_db.iteritems():
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if source == 'SCHEMA_VERSION':
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continue
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if os.path.islink(link_path) or sys.platform.startswith('win'):
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# os.path.islink() always returns false on Windows
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# See http://bugs.python.org/issue13143.
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logging.debug('Removing link to %s at %s', source, link_path)
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if not self._dry_run:
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if os.path.exists(link_path):
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if sys.platform.startswith('win') and os.path.isdir(link_path):
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subprocess.check_call(['rmdir', '/q', '/s', link_path],
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shell=True)
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else:
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os.remove(link_path)
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del self._links_db[source]
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@staticmethod
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def _ActionForPath(source_path, link_path=None, check_fn=None,
|
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check_msg=None):
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"""Create zero or more Actions to link to a file or directory.
|
||||
|
||||
This will be a symlink on POSIX platforms. On Windows this requires
|
||||
that NTFS is version 5.0 or higher (Vista or newer).
|
||||
|
||||
Args:
|
||||
source_path: Path relative to the Chromium checkout root.
|
||||
For readability, the path may contain slashes, which will
|
||||
automatically be converted to the right path delimiter on Windows.
|
||||
link_path: The location for the link to create. If omitted it will be the
|
||||
same path as source_path.
|
||||
check_fn: A function returning true if the type of filesystem object is
|
||||
correct for the attempted call. Otherwise an error message with
|
||||
check_msg will be printed.
|
||||
check_msg: String used to inform the user of an invalid attempt to create
|
||||
a file.
|
||||
Returns:
|
||||
A list of Action objects.
|
||||
"""
|
||||
def fix_separators(path):
|
||||
if sys.platform.startswith('win'):
|
||||
return path.replace(os.altsep, os.sep)
|
||||
else:
|
||||
return path
|
||||
|
||||
assert check_fn
|
||||
assert check_msg
|
||||
link_path = link_path or source_path
|
||||
link_path = fix_separators(link_path)
|
||||
|
||||
source_path = fix_separators(source_path)
|
||||
source_path = os.path.join(CHROMIUM_CHECKOUT, source_path)
|
||||
if os.path.exists(source_path) and not check_fn:
|
||||
raise LinkError('_LinkChromiumPath can only be used to link to %s: '
|
||||
'Tried to link to: %s' % (check_msg, source_path))
|
||||
|
||||
if not os.path.exists(source_path):
|
||||
logging.debug('Silently ignoring missing source: %s. This is to avoid '
|
||||
'errors on platform-specific dependencies.', source_path)
|
||||
return []
|
||||
|
||||
actions = []
|
||||
|
||||
if os.path.exists(link_path) or os.path.islink(link_path):
|
||||
if os.path.islink(link_path):
|
||||
actions.append(Remove(link_path, dangerous=False))
|
||||
elif os.path.isfile(link_path):
|
||||
actions.append(Remove(link_path, dangerous=True))
|
||||
elif os.path.isdir(link_path):
|
||||
actions.append(Rmtree(link_path))
|
||||
else:
|
||||
raise LinkError('Don\'t know how to plan: %s' % link_path)
|
||||
|
||||
# Create parent directories to the target link if needed.
|
||||
target_parent_dirs = os.path.dirname(link_path)
|
||||
if (target_parent_dirs and
|
||||
target_parent_dirs != link_path and
|
||||
not os.path.exists(target_parent_dirs)):
|
||||
actions.append(Makedirs(target_parent_dirs))
|
||||
|
||||
actions.append(Symlink(source_path, link_path))
|
||||
|
||||
return actions
|
||||
|
||||
def _initialize_database(filename):
|
||||
links_database = shelve.open(filename)
|
||||
|
||||
# Wipe the database if this version of the script ends up looking at a
|
||||
# newer (future) version of the links db, just to be sure.
|
||||
version = links_database.get('SCHEMA_VERSION')
|
||||
if version and version != SCHEMA_VERSION:
|
||||
logging.info('Found database with schema version %s while this script only '
|
||||
'supports %s. Wiping previous database contents.', version,
|
||||
SCHEMA_VERSION)
|
||||
links_database.clear()
|
||||
links_database['SCHEMA_VERSION'] = SCHEMA_VERSION
|
||||
return links_database
|
||||
|
||||
|
||||
def main():
|
||||
on_bot = os.environ.get('CHROME_HEADLESS') == '1'
|
||||
|
||||
parser = optparse.OptionParser()
|
||||
parser.add_option('-d', '--dry-run', action='store_true', default=False,
|
||||
help='Print what would be done, but don\'t perform any '
|
||||
'operations. This will automatically set logging to '
|
||||
'verbose.')
|
||||
parser.add_option('-c', '--clean-only', action='store_true', default=False,
|
||||
help='Only clean previously created links, don\'t create '
|
||||
'new ones. This will automatically set logging to '
|
||||
'verbose.')
|
||||
parser.add_option('-f', '--force', action='store_true', default=on_bot,
|
||||
help='Force link creation. CAUTION: This deletes existing '
|
||||
'folders and files in the locations where links are '
|
||||
'about to be created.')
|
||||
parser.add_option('-n', '--no-prompt', action='store_false', dest='prompt',
|
||||
default=(not on_bot),
|
||||
help='Prompt if we\'re planning to do a dangerous action')
|
||||
parser.add_option('-v', '--verbose', action='store_const',
|
||||
const=logging.DEBUG, default=logging.INFO,
|
||||
help='Print verbose output for debugging.')
|
||||
options, _ = parser.parse_args()
|
||||
|
||||
if options.dry_run or options.force or options.clean_only:
|
||||
options.verbose = logging.DEBUG
|
||||
logging.basicConfig(format='%(message)s', level=options.verbose)
|
||||
|
||||
# Work from the root directory of the checkout.
|
||||
script_dir = os.path.dirname(os.path.abspath(__file__))
|
||||
os.chdir(script_dir)
|
||||
|
||||
if sys.platform.startswith('win'):
|
||||
def is_admin():
|
||||
try:
|
||||
return os.getuid() == 0
|
||||
except AttributeError:
|
||||
return ctypes.windll.shell32.IsUserAnAdmin() != 0
|
||||
if not is_admin():
|
||||
logging.error('On Windows, you now need to have administrator '
|
||||
'privileges for the shell running %s (or '
|
||||
'`gclient sync|runhooks`).\nPlease start another command '
|
||||
'prompt as Administrator and try again.', sys.argv[0])
|
||||
return 1
|
||||
|
||||
if not os.path.exists(CHROMIUM_CHECKOUT):
|
||||
logging.error('Cannot find a Chromium checkout at %s. Did you run "gclient '
|
||||
'sync" before running this script?', CHROMIUM_CHECKOUT)
|
||||
return 2
|
||||
|
||||
links_database = _initialize_database(LINKS_DB)
|
||||
try:
|
||||
symlink_creator = WebRTCLinkSetup(links_database, options.force,
|
||||
options.dry_run, options.prompt)
|
||||
symlink_creator.CleanupLinks()
|
||||
if not options.clean_only:
|
||||
symlink_creator.CreateLinks(on_bot)
|
||||
except LinkError as e:
|
||||
print >> sys.stderr, e.message
|
||||
return 3
|
||||
finally:
|
||||
links_database.close()
|
||||
return 0
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
sys.exit(main())
|
||||
Reference in New Issue
Block a user