mirror of
https://github.com/mozilla/gecko-dev.git
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142fc24229
This imports two modules from mozregression in the tree to do so. They are imported from current trunk on github, rather than the version we were getting from pypi. Note we take six from testing/web-platform/tests/tools/six) instead of moving it to python/six because it's there by coming from a copy of https://github.com/w3c/wpt-tools, which contains it as a submodule, and moving it would make updates there harder. --HG-- extra : rebase_source : 16619d1c3f38f6493fb490a64361b3f4e8fecc1f
420 lines
14 KiB
Python
420 lines
14 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from __future__ import print_function, unicode_literals
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import errno
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import json
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import os
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import platform
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import random
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import subprocess
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import sys
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import uuid
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import __builtin__
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from types import ModuleType
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STATE_DIR_FIRST_RUN = '''
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mach and the build system store shared state in a common directory on the
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filesystem. The following directory will be created:
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{userdir}
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If you would like to use a different directory, hit CTRL+c and set the
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MOZBUILD_STATE_PATH environment variable to the directory you would like to
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use and re-run mach. For this change to take effect forever, you'll likely
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want to export this environment variable from your shell's init scripts.
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Press ENTER/RETURN to continue or CTRL+c to abort.
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'''.lstrip()
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# TODO Bug 794506 Integrate with the in-tree virtualenv configuration.
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SEARCH_PATHS = [
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'python/mach',
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'python/mozboot',
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'python/mozbuild',
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'python/mozlint',
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'python/mozversioncontrol',
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'python/blessings',
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'python/compare-locales',
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'python/configobj',
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'python/dlmanager',
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'python/futures',
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'python/jsmin',
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'python/psutil',
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'python/pylru',
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'python/which',
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'python/pystache',
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'python/pyyaml/lib',
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'python/requests',
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'python/slugid',
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'python/py',
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'python/pytest',
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'python/pytoml',
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'python/redo',
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'python/voluptuous',
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'build',
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'build/pymake',
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'config',
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'dom/bindings',
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'dom/bindings/parser',
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'dom/media/test/external',
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'layout/tools/reftest',
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'other-licenses/ply',
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'taskcluster',
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'testing',
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'testing/firefox-ui/harness',
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'testing/marionette/client',
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'testing/marionette/harness',
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'testing/marionette/harness/marionette_harness/runner/mixins/browsermob-proxy-py',
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'testing/marionette/puppeteer/firefox',
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'testing/mozbase/mozcrash',
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'testing/mozbase/mozdebug',
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'testing/mozbase/mozdevice',
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'testing/mozbase/mozfile',
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'testing/mozbase/mozhttpd',
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'testing/mozbase/mozinfo',
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'testing/mozbase/mozinstall',
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'testing/mozbase/mozleak',
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'testing/mozbase/mozlog',
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'testing/mozbase/moznetwork',
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'testing/mozbase/mozprocess',
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'testing/mozbase/mozprofile',
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'testing/mozbase/mozrunner',
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'testing/mozbase/mozsystemmonitor',
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'testing/mozbase/mozscreenshot',
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'testing/mozbase/moztest',
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'testing/mozbase/mozversion',
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'testing/mozbase/manifestparser',
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'testing/taskcluster',
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'testing/tools/autotry',
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'testing/web-platform',
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'testing/web-platform/harness',
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'testing/web-platform/tests/tools/wptserve',
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'testing/web-platform/tests/tools/six',
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'testing/xpcshell',
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'xpcom/idl-parser',
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]
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# Individual files providing mach commands.
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MACH_MODULES = [
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'addon-sdk/mach_commands.py',
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'build/valgrind/mach_commands.py',
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'devtools/shared/css/generated/mach_commands.py',
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'dom/bindings/mach_commands.py',
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'dom/media/test/external/mach_commands.py',
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'layout/tools/reftest/mach_commands.py',
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'python/mach_commands.py',
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'python/mach/mach/commands/commandinfo.py',
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'python/mach/mach/commands/settings.py',
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'python/compare-locales/mach_commands.py',
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'python/mozboot/mozboot/mach_commands.py',
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'python/mozbuild/mozbuild/mach_commands.py',
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'python/mozbuild/mozbuild/backend/mach_commands.py',
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'python/mozbuild/mozbuild/compilation/codecomplete.py',
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'python/mozbuild/mozbuild/frontend/mach_commands.py',
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'services/common/tests/mach_commands.py',
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'taskcluster/mach_commands.py',
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'testing/firefox-ui/mach_commands.py',
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'testing/mach_commands.py',
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'testing/marionette/mach_commands.py',
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'testing/mochitest/mach_commands.py',
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'testing/mozharness/mach_commands.py',
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'testing/talos/mach_commands.py',
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'testing/web-platform/mach_commands.py',
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'testing/xpcshell/mach_commands.py',
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'tools/docs/mach_commands.py',
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'tools/lint/mach_commands.py',
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'tools/mach_commands.py',
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'tools/power/mach_commands.py',
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'mobile/android/mach_commands.py',
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]
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CATEGORIES = {
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'build': {
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'short': 'Build Commands',
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'long': 'Interact with the build system',
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'priority': 80,
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},
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'post-build': {
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'short': 'Post-build Commands',
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'long': 'Common actions performed after completing a build.',
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'priority': 70,
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},
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'testing': {
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'short': 'Testing',
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'long': 'Run tests.',
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'priority': 60,
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},
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'ci': {
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'short': 'CI',
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'long': 'Taskcluster commands',
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'priority': 59
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},
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'devenv': {
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'short': 'Development Environment',
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'long': 'Set up and configure your development environment.',
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'priority': 50,
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},
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'build-dev': {
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'short': 'Low-level Build System Interaction',
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'long': 'Interact with specific parts of the build system.',
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'priority': 20,
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},
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'misc': {
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'short': 'Potpourri',
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'long': 'Potent potables and assorted snacks.',
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'priority': 10,
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},
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'disabled': {
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'short': 'Disabled',
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'long': 'The disabled commands are hidden by default. Use -v to display them. These commands are unavailable for your current context, run "mach <command>" to see why.',
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'priority': 0,
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}
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}
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# We submit data to telemetry approximately every this many mach invocations
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TELEMETRY_SUBMISSION_FREQUENCY = 10
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def bootstrap(topsrcdir, mozilla_dir=None):
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if mozilla_dir is None:
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mozilla_dir = topsrcdir
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# Ensure we are running Python 2.7+. We put this check here so we generate a
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# user-friendly error message rather than a cryptic stack trace on module
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# import.
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if sys.version_info[0] != 2 or sys.version_info[1] < 7:
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print('Python 2.7 or above (but not Python 3) is required to run mach.')
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print('You are running Python', platform.python_version())
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sys.exit(1)
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# Global build system and mach state is stored in a central directory. By
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# default, this is ~/.mozbuild. However, it can be defined via an
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# environment variable. We detect first run (by lack of this directory
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# existing) and notify the user that it will be created. The logic for
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# creation is much simpler for the "advanced" environment variable use
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# case. For default behavior, we educate users and give them an opportunity
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# to react. We always exit after creating the directory because users don't
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# like surprises.
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sys.path[0:0] = [os.path.join(mozilla_dir, path) for path in SEARCH_PATHS]
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import mach.main
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from mozboot.util import get_state_dir
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from mozbuild.util import patch_main
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patch_main()
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def telemetry_handler(context, data):
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# We have not opted-in to telemetry
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if 'BUILD_SYSTEM_TELEMETRY' not in os.environ:
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return
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telemetry_dir = os.path.join(get_state_dir()[0], 'telemetry')
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try:
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os.mkdir(telemetry_dir)
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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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outgoing_dir = os.path.join(telemetry_dir, 'outgoing')
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try:
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os.mkdir(outgoing_dir)
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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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# Add common metadata to help submit sorted data later on.
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data['argv'] = sys.argv
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data.setdefault('system', {}).update(dict(
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architecture=list(platform.architecture()),
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machine=platform.machine(),
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python_version=platform.python_version(),
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release=platform.release(),
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system=platform.system(),
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version=platform.version(),
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))
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if platform.system() == 'Linux':
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dist = list(platform.linux_distribution())
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data['system']['linux_distribution'] = dist
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elif platform.system() == 'Windows':
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win32_ver=list((platform.win32_ver())),
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data['system']['win32_ver'] = win32_ver
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elif platform.system() == 'Darwin':
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# mac version is a special Cupertino snowflake
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r, v, m = platform.mac_ver()
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data['system']['mac_ver'] = [r, list(v), m]
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with open(os.path.join(outgoing_dir, str(uuid.uuid4()) + '.json'),
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'w') as f:
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json.dump(data, f, sort_keys=True)
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def should_skip_dispatch(context, handler):
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# The user is performing a maintenance command.
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if handler.name in ('bootstrap', 'doctor', 'mach-commands', 'mercurial-setup'):
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return True
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# We are running in automation.
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if 'MOZ_AUTOMATION' in os.environ or 'TASK_ID' in os.environ:
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return True
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# The environment is likely a machine invocation.
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if sys.stdin.closed or not sys.stdin.isatty():
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return True
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return False
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def post_dispatch_handler(context, handler, args):
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"""Perform global operations after command dispatch.
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For now, we will use this to handle build system telemetry.
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"""
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# Don't do anything when...
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if should_skip_dispatch(context, handler):
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return
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# We call mach environment in client.mk which would cause the
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# data submission below to block the forward progress of make.
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if handler.name in ('environment'):
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return
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# We have not opted-in to telemetry
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if 'BUILD_SYSTEM_TELEMETRY' not in os.environ:
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return
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# Every n-th operation
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if random.randint(1, TELEMETRY_SUBMISSION_FREQUENCY) != 1:
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return
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with open(os.devnull, 'wb') as devnull:
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subprocess.Popen([sys.executable,
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os.path.join(topsrcdir, 'build',
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'submit_telemetry_data.py'),
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get_state_dir()[0]],
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stdout=devnull, stderr=devnull)
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def populate_context(context, key=None):
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if key is None:
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return
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if key == 'state_dir':
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state_dir, is_environ = get_state_dir()
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if is_environ:
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if not os.path.exists(state_dir):
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print('Creating global state directory from environment variable: %s'
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% state_dir)
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os.makedirs(state_dir, mode=0o770)
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else:
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if not os.path.exists(state_dir):
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print(STATE_DIR_FIRST_RUN.format(userdir=state_dir))
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try:
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sys.stdin.readline()
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except KeyboardInterrupt:
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sys.exit(1)
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print('\nCreating default state directory: %s' % state_dir)
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os.makedirs(state_dir, mode=0o770)
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return state_dir
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if key == 'topdir':
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return topsrcdir
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if key == 'telemetry_handler':
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return telemetry_handler
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if key == 'post_dispatch_handler':
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return post_dispatch_handler
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raise AttributeError(key)
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mach = mach.main.Mach(os.getcwd())
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mach.populate_context_handler = populate_context
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if not mach.settings_paths:
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# default global machrc location
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mach.settings_paths.append(get_state_dir()[0])
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# always load local repository configuration
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mach.settings_paths.append(mozilla_dir)
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for category, meta in CATEGORIES.items():
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mach.define_category(category, meta['short'], meta['long'],
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meta['priority'])
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for path in MACH_MODULES:
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mach.load_commands_from_file(os.path.join(mozilla_dir, path))
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return mach
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# Hook import such that .pyc/.pyo files without a corresponding .py file in
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# the source directory are essentially ignored. See further below for details
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# and caveats.
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# Objdirs outside the source directory are ignored because in most cases, if
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# a .pyc/.pyo file exists there, a .py file will be next to it anyways.
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class ImportHook(object):
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def __init__(self, original_import):
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self._original_import = original_import
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# Assume the source directory is the parent directory of the one
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# containing this file.
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self._source_dir = os.path.normcase(os.path.abspath(
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os.path.dirname(os.path.dirname(__file__)))) + os.sep
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self._modules = set()
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def __call__(self, name, globals=None, locals=None, fromlist=None,
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level=-1):
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# name might be a relative import. Instead of figuring out what that
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# resolves to, which is complex, just rely on the real import.
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# Since we don't know the full module name, we can't check sys.modules,
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# so we need to keep track of which modules we've already seen to avoid
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# to stat() them again when they are imported multiple times.
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module = self._original_import(name, globals, locals, fromlist, level)
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# Some tests replace modules in sys.modules with non-module instances.
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if not isinstance(module, ModuleType):
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return module
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resolved_name = module.__name__
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if resolved_name in self._modules:
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return module
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self._modules.add(resolved_name)
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# Builtin modules don't have a __file__ attribute.
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if not hasattr(module, '__file__'):
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return module
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# Note: module.__file__ is not always absolute.
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path = os.path.normcase(os.path.abspath(module.__file__))
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# Note: we could avoid normcase and abspath above for non pyc/pyo
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# files, but those are actually rare, so it doesn't really matter.
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if not path.endswith(('.pyc', '.pyo')):
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return module
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# Ignore modules outside our source directory
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if not path.startswith(self._source_dir):
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return module
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# If there is no .py corresponding to the .pyc/.pyo module we're
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# loading, remove the .pyc/.pyo file, and reload the module.
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# Since we already loaded the .pyc/.pyo module, if it had side
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# effects, they will have happened already, and loading the module
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# with the same name, from another directory may have the same side
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# effects (or different ones). We assume it's not a problem for the
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# python modules under our source directory (either because it
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# doesn't happen or because it doesn't matter).
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if not os.path.exists(module.__file__[:-1]):
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os.remove(module.__file__)
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del sys.modules[module.__name__]
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module = self(name, globals, locals, fromlist, level)
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return module
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# Install our hook
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__builtin__.__import__ = ImportHook(__builtin__.__import__)
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