зеркало из https://github.com/mozilla/gecko-dev.git
608 строки
22 KiB
Python
608 строки
22 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
import math
|
|
import os
|
|
import shutil
|
|
import sys
|
|
from pathlib import Path
|
|
|
|
if sys.version_info[0] < 3:
|
|
import __builtin__ as builtins
|
|
|
|
class MetaPathFinder(object):
|
|
pass
|
|
|
|
else:
|
|
from importlib.abc import MetaPathFinder
|
|
|
|
from types import ModuleType
|
|
|
|
STATE_DIR_FIRST_RUN = """
|
|
Mach and the build system store shared state in a common directory
|
|
on the filesystem. The following directory will be created:
|
|
|
|
{}
|
|
|
|
If you would like to use a different directory, rename or move it to your
|
|
desired location, and set the MOZBUILD_STATE_PATH environment variable
|
|
accordingly.
|
|
""".strip()
|
|
|
|
|
|
CATEGORIES = {
|
|
"build": {
|
|
"short": "Build Commands",
|
|
"long": "Interact with the build system",
|
|
"priority": 80,
|
|
},
|
|
"post-build": {
|
|
"short": "Post-build Commands",
|
|
"long": "Common actions performed after completing a build.",
|
|
"priority": 70,
|
|
},
|
|
"testing": {
|
|
"short": "Testing",
|
|
"long": "Run tests.",
|
|
"priority": 60,
|
|
},
|
|
"ci": {
|
|
"short": "CI",
|
|
"long": "Taskcluster commands",
|
|
"priority": 59,
|
|
},
|
|
"devenv": {
|
|
"short": "Development Environment",
|
|
"long": "Set up and configure your development environment.",
|
|
"priority": 50,
|
|
},
|
|
"build-dev": {
|
|
"short": "Low-level Build System Interaction",
|
|
"long": "Interact with specific parts of the build system.",
|
|
"priority": 20,
|
|
},
|
|
"misc": {
|
|
"short": "Potpourri",
|
|
"long": "Potent potables and assorted snacks.",
|
|
"priority": 10,
|
|
},
|
|
"release": {
|
|
"short": "Release automation",
|
|
"long": "Commands for used in release automation.",
|
|
"priority": 5,
|
|
},
|
|
"disabled": {
|
|
"short": "Disabled",
|
|
"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.',
|
|
"priority": 0,
|
|
},
|
|
}
|
|
|
|
|
|
def _activate_python_environment(topsrcdir, get_state_dir):
|
|
from mach.site import MachSiteManager
|
|
|
|
mach_environment = MachSiteManager.from_environment(
|
|
topsrcdir,
|
|
get_state_dir,
|
|
)
|
|
mach_environment.activate()
|
|
|
|
|
|
def _maybe_activate_mozillabuild_environment():
|
|
if sys.platform != "win32":
|
|
return
|
|
|
|
mozillabuild = Path(os.environ.get("MOZILLABUILD", r"C:\mozilla-build"))
|
|
os.environ.setdefault("MOZILLABUILD", str(mozillabuild))
|
|
assert mozillabuild.exists(), (
|
|
f'MozillaBuild was not found at "{mozillabuild}".\n'
|
|
"If it's installed in a different location, please "
|
|
'set the "MOZILLABUILD" environment variable '
|
|
"accordingly."
|
|
)
|
|
|
|
use_msys2 = (mozillabuild / "msys2").exists()
|
|
if use_msys2:
|
|
mozillabuild_msys_tools_path = mozillabuild / "msys2" / "usr" / "bin"
|
|
else:
|
|
mozillabuild_msys_tools_path = mozillabuild / "msys" / "bin"
|
|
|
|
paths_to_add = [mozillabuild_msys_tools_path, mozillabuild / "bin"]
|
|
existing_paths = [Path(p) for p in os.environ.get("PATH", "").split(os.pathsep)]
|
|
for new_path in paths_to_add:
|
|
if new_path not in existing_paths:
|
|
os.environ["PATH"] += f"{os.pathsep}{new_path}"
|
|
|
|
|
|
def check_for_spaces(topsrcdir):
|
|
if " " in topsrcdir:
|
|
raise Exception(
|
|
f"Your checkout at path '{topsrcdir}' contains a space, which "
|
|
f"is not supported. Please move it to somewhere that does not "
|
|
f"have a space in the path before rerunning mach."
|
|
)
|
|
|
|
mozillabuild_dir = os.environ.get("MOZILLABUILD", "")
|
|
if sys.platform == "win32" and " " in mozillabuild_dir:
|
|
raise Exception(
|
|
f"Your installation of MozillaBuild appears to be installed on a path that "
|
|
f"contains a space ('{mozillabuild_dir}') which is not supported. Please "
|
|
f"reinstall MozillaBuild on a path without a space and restart your shell"
|
|
f"from the new installation."
|
|
)
|
|
|
|
|
|
def initialize(topsrcdir, args=()):
|
|
# This directory was deleted in bug 1666345, but there may be some ignored
|
|
# files here. We can safely just delete it for the user so they don't have
|
|
# to clean the repo themselves.
|
|
deleted_dir = os.path.join(topsrcdir, "third_party", "python", "psutil")
|
|
if os.path.exists(deleted_dir):
|
|
shutil.rmtree(deleted_dir, ignore_errors=True)
|
|
|
|
# We need the "mach" module to access the logic to parse virtualenv
|
|
# requirements. Since that depends on "packaging", we add it to the path too.
|
|
sys.path[0:0] = [
|
|
os.path.join(topsrcdir, module)
|
|
for module in (
|
|
os.path.join("python", "mach"),
|
|
os.path.join("third_party", "python", "packaging"),
|
|
)
|
|
]
|
|
|
|
from mach.util import get_state_dir, get_virtualenv_base_dir, setenv
|
|
|
|
state_dir = _create_state_dir()
|
|
|
|
check_for_spaces(topsrcdir)
|
|
|
|
# normpath state_dir to normalize msys-style slashes.
|
|
_activate_python_environment(
|
|
topsrcdir, lambda: os.path.normpath(get_state_dir(True, topsrcdir=topsrcdir))
|
|
)
|
|
_maybe_activate_mozillabuild_environment()
|
|
|
|
import mach.main
|
|
from mach.command_util import (
|
|
MACH_COMMANDS,
|
|
DetermineCommandVenvAction,
|
|
load_commands_from_spec,
|
|
)
|
|
from mach.main import get_argument_parser
|
|
|
|
# Set a reasonable limit to the number of open files.
|
|
#
|
|
# Some linux systems set `ulimit -n` to a very high number, which works
|
|
# well for systems that run servers, but this setting causes performance
|
|
# problems when programs close file descriptors before forking, like
|
|
# Python's `subprocess.Popen(..., close_fds=True)` (close_fds=True is the
|
|
# default in Python 3), or Rust's stdlib. In some cases, Firefox does the
|
|
# same thing when spawning processes. We would prefer to lower this limit
|
|
# to avoid such performance problems; processes spawned by `mach` will
|
|
# inherit the limit set here.
|
|
#
|
|
# The Firefox build defaults the soft limit to 1024, except for builds that
|
|
# do LTO, where the soft limit is 8192. We're going to default to the
|
|
# latter, since people do occasionally do LTO builds on their local
|
|
# machines, and requiring them to discover another magical setting after
|
|
# setting up an LTO build in the first place doesn't seem good.
|
|
#
|
|
# This code mimics the code in taskcluster/scripts/run-task.
|
|
try:
|
|
import resource
|
|
|
|
# Keep the hard limit the same, though, allowing processes to change
|
|
# their soft limit if they need to (Firefox does, for instance).
|
|
(soft, hard) = resource.getrlimit(resource.RLIMIT_NOFILE)
|
|
# Permit people to override our default limit if necessary via
|
|
# MOZ_LIMIT_NOFILE, which is the same variable `run-task` uses.
|
|
limit = os.environ.get("MOZ_LIMIT_NOFILE")
|
|
if limit:
|
|
limit = int(limit)
|
|
else:
|
|
# If no explicit limit is given, use our default if it's less than
|
|
# the current soft limit. For instance, the default on macOS is
|
|
# 256, so we'd pick that rather than our default.
|
|
limit = min(soft, 8192)
|
|
# Now apply the limit, if it's different from the original one.
|
|
if limit != soft:
|
|
resource.setrlimit(resource.RLIMIT_NOFILE, (limit, hard))
|
|
except ImportError:
|
|
# The resource module is UNIX only.
|
|
pass
|
|
|
|
def resolve_repository():
|
|
import mozversioncontrol
|
|
|
|
try:
|
|
# This API doesn't respect the vcs binary choices from configure.
|
|
# If we ever need to use the VCS binary here, consider something
|
|
# more robust.
|
|
return mozversioncontrol.get_repository_object(path=topsrcdir)
|
|
except (mozversioncontrol.InvalidRepoPath, mozversioncontrol.MissingVCSTool):
|
|
return None
|
|
|
|
def pre_dispatch_handler(context, handler, args):
|
|
# If --disable-tests flag was enabled in the mozconfig used to compile
|
|
# the build, tests will be disabled. Instead of trying to run
|
|
# nonexistent tests then reporting a failure, this will prevent mach
|
|
# from progressing beyond this point.
|
|
if handler.category == "testing" and not handler.ok_if_tests_disabled:
|
|
from mozbuild.base import BuildEnvironmentNotFoundException
|
|
|
|
try:
|
|
from mozbuild.base import MozbuildObject
|
|
|
|
# all environments should have an instance of build object.
|
|
build = MozbuildObject.from_environment()
|
|
if build is not None and not getattr(
|
|
build, "substs", {"ENABLE_TESTS": True}
|
|
).get("ENABLE_TESTS"):
|
|
print(
|
|
"Tests have been disabled with --disable-tests.\n"
|
|
+ "Remove the flag, and re-compile to enable tests."
|
|
)
|
|
sys.exit(1)
|
|
except BuildEnvironmentNotFoundException:
|
|
# likely automation environment, so do nothing.
|
|
pass
|
|
|
|
def post_dispatch_handler(
|
|
context, handler, instance, success, start_time, end_time, depth, args
|
|
):
|
|
"""Perform global operations after command dispatch.
|
|
|
|
|
|
For now, we will use this to handle build system telemetry.
|
|
"""
|
|
|
|
# Don't finalize telemetry data if this mach command was invoked as part of
|
|
# another mach command.
|
|
if depth != 1:
|
|
return
|
|
|
|
_finalize_telemetry_glean(
|
|
context.telemetry, handler.name == "bootstrap", success
|
|
)
|
|
|
|
def populate_context(key=None):
|
|
if key is None:
|
|
return
|
|
if key == "state_dir":
|
|
return state_dir
|
|
|
|
if key == "local_state_dir":
|
|
return get_state_dir(specific_to_topsrcdir=True)
|
|
|
|
if key == "topdir":
|
|
return topsrcdir
|
|
|
|
if key == "pre_dispatch_handler":
|
|
return pre_dispatch_handler
|
|
|
|
if key == "post_dispatch_handler":
|
|
return post_dispatch_handler
|
|
|
|
if key == "repository":
|
|
return resolve_repository()
|
|
|
|
raise AttributeError(key)
|
|
|
|
# Note which process is top-level so that recursive mach invocations can avoid writing
|
|
# telemetry data.
|
|
if "MACH_MAIN_PID" not in os.environ:
|
|
setenv("MACH_MAIN_PID", str(os.getpid()))
|
|
|
|
driver = mach.main.Mach(os.getcwd())
|
|
driver.populate_context_handler = populate_context
|
|
|
|
if not driver.settings_paths:
|
|
# default global machrc location
|
|
driver.settings_paths.append(state_dir)
|
|
# always load local repository configuration
|
|
driver.settings_paths.append(topsrcdir)
|
|
driver.load_settings()
|
|
|
|
aliases = driver.settings.alias
|
|
|
|
parser = get_argument_parser(
|
|
action=DetermineCommandVenvAction,
|
|
topsrcdir=topsrcdir,
|
|
)
|
|
from argparse import Namespace
|
|
|
|
namespace_in = Namespace()
|
|
setattr(namespace_in, "mach_command_aliases", aliases)
|
|
namespace = parser.parse_args(args, namespace_in)
|
|
|
|
command_name = getattr(namespace, "command_name", None)
|
|
site_name = getattr(namespace, "site_name", "common")
|
|
command_site_manager = None
|
|
|
|
# the 'clobber' command needs to run in the 'mach' venv, so we
|
|
# don't want to activate any other virtualenv for it.
|
|
if command_name != "clobber":
|
|
from mach.site import CommandSiteManager
|
|
|
|
command_site_manager = CommandSiteManager.from_environment(
|
|
topsrcdir,
|
|
lambda: os.path.normpath(get_state_dir(True, topsrcdir=topsrcdir)),
|
|
site_name,
|
|
get_virtualenv_base_dir(topsrcdir),
|
|
)
|
|
|
|
command_site_manager.activate()
|
|
|
|
for category, meta in CATEGORIES.items():
|
|
driver.define_category(category, meta["short"], meta["long"], meta["priority"])
|
|
|
|
# Sparse checkouts may not have all mach_commands.py files. Ignore
|
|
# errors from missing files. Same for spidermonkey tarballs.
|
|
repo = resolve_repository()
|
|
if repo != "SOURCE":
|
|
missing_ok = (
|
|
repo is not None and repo.sparse_checkout_present()
|
|
) or os.path.exists(os.path.join(topsrcdir, "INSTALL"))
|
|
else:
|
|
missing_ok = ()
|
|
|
|
commands_that_need_all_modules_loaded = [
|
|
"busted",
|
|
"help",
|
|
"mach-commands",
|
|
"mach-completion",
|
|
"mach-debug-commands",
|
|
]
|
|
|
|
def commands_to_load(top_level_command: str):
|
|
visited = set()
|
|
|
|
def find_downstream_commands_recursively(command: str):
|
|
if not MACH_COMMANDS.get(command):
|
|
return
|
|
|
|
if command in visited:
|
|
return
|
|
|
|
visited.add(command)
|
|
|
|
for command_dependency in MACH_COMMANDS[command].command_dependencies:
|
|
find_downstream_commands_recursively(command_dependency)
|
|
|
|
find_downstream_commands_recursively(top_level_command)
|
|
|
|
return list(visited)
|
|
|
|
if (
|
|
command_name not in MACH_COMMANDS
|
|
or command_name in commands_that_need_all_modules_loaded
|
|
):
|
|
command_modules_to_load = MACH_COMMANDS
|
|
else:
|
|
command_names_to_load = commands_to_load(command_name)
|
|
command_modules_to_load = {
|
|
command_name: MACH_COMMANDS[command_name]
|
|
for command_name in command_names_to_load
|
|
}
|
|
|
|
driver.command_site_manager = command_site_manager
|
|
load_commands_from_spec(command_modules_to_load, topsrcdir, missing_ok=missing_ok)
|
|
|
|
return driver
|
|
|
|
|
|
def _finalize_telemetry_glean(telemetry, is_bootstrap, success):
|
|
"""Submit telemetry collected by Glean.
|
|
|
|
Finalizes some metrics (command success state and duration, system information) and
|
|
requests Glean to send the collected data.
|
|
"""
|
|
|
|
from mach.telemetry import MACH_METRICS_PATH
|
|
from mozbuild.telemetry import (
|
|
get_cpu_brand,
|
|
get_distro_and_version,
|
|
get_psutil_stats,
|
|
get_shell_info,
|
|
get_vscode_running,
|
|
)
|
|
|
|
mach_metrics = telemetry.metrics(MACH_METRICS_PATH)
|
|
mach_metrics.mach.duration.stop()
|
|
mach_metrics.mach.success.set(success)
|
|
system_metrics = mach_metrics.mach.system
|
|
cpu_brand = get_cpu_brand()
|
|
if cpu_brand:
|
|
system_metrics.cpu_brand.set(cpu_brand)
|
|
distro, version = get_distro_and_version()
|
|
system_metrics.distro.set(distro)
|
|
system_metrics.distro_version.set(version)
|
|
|
|
vscode_terminal, ssh_connection = get_shell_info()
|
|
system_metrics.vscode_terminal.set(vscode_terminal)
|
|
system_metrics.ssh_connection.set(ssh_connection)
|
|
system_metrics.vscode_running.set(get_vscode_running())
|
|
|
|
has_psutil, logical_cores, physical_cores, memory_total = get_psutil_stats()
|
|
if has_psutil:
|
|
# psutil may not be available (we may not have been able to download
|
|
# a wheel or build it from source).
|
|
system_metrics.logical_cores.add(logical_cores)
|
|
if physical_cores is not None:
|
|
system_metrics.physical_cores.add(physical_cores)
|
|
if memory_total is not None:
|
|
system_metrics.memory.accumulate(
|
|
int(math.ceil(float(memory_total) / (1024 * 1024 * 1024)))
|
|
)
|
|
telemetry.submit(is_bootstrap)
|
|
|
|
|
|
def _create_state_dir():
|
|
# Global build system and mach state is stored in a central directory. By
|
|
# default, this is ~/.mozbuild. However, it can be defined via an
|
|
# environment variable. We detect first run (by lack of this directory
|
|
# existing) and notify the user that it will be created. The logic for
|
|
# creation is much simpler for the "advanced" environment variable use
|
|
# case. For default behavior, we educate users and give them an opportunity
|
|
# to react.
|
|
state_dir = os.environ.get("MOZBUILD_STATE_PATH")
|
|
if state_dir:
|
|
if not os.path.exists(state_dir):
|
|
print(
|
|
"Creating global state directory from environment variable: {}".format(
|
|
state_dir
|
|
)
|
|
)
|
|
else:
|
|
state_dir = os.path.expanduser("~/.mozbuild")
|
|
if not os.path.exists(state_dir):
|
|
if not os.environ.get("MOZ_AUTOMATION"):
|
|
print(STATE_DIR_FIRST_RUN.format(state_dir))
|
|
|
|
print("Creating default state directory: {}".format(state_dir))
|
|
|
|
os.makedirs(state_dir, mode=0o770, exist_ok=True)
|
|
return state_dir
|
|
|
|
|
|
# Hook import such that .pyc/.pyo files without a corresponding .py file in
|
|
# the source directory are essentially ignored. See further below for details
|
|
# and caveats.
|
|
# Objdirs outside the source directory are ignored because in most cases, if
|
|
# a .pyc/.pyo file exists there, a .py file will be next to it anyways.
|
|
class ImportHook(object):
|
|
def __init__(self, original_import):
|
|
self._original_import = original_import
|
|
# Assume the source directory is the parent directory of the one
|
|
# containing this file.
|
|
self._source_dir = (
|
|
os.path.normcase(
|
|
os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
|
|
)
|
|
+ os.sep
|
|
)
|
|
self._modules = set()
|
|
|
|
def __call__(self, name, globals=None, locals=None, fromlist=None, level=-1):
|
|
if sys.version_info[0] >= 3 and level < 0:
|
|
level = 0
|
|
|
|
# name might be a relative import. Instead of figuring out what that
|
|
# resolves to, which is complex, just rely on the real import.
|
|
# Since we don't know the full module name, we can't check sys.modules,
|
|
# so we need to keep track of which modules we've already seen to avoid
|
|
# to stat() them again when they are imported multiple times.
|
|
module = self._original_import(name, globals, locals, fromlist, level)
|
|
|
|
# Some tests replace modules in sys.modules with non-module instances.
|
|
if not isinstance(module, ModuleType):
|
|
return module
|
|
|
|
resolved_name = module.__name__
|
|
if resolved_name in self._modules:
|
|
return module
|
|
self._modules.add(resolved_name)
|
|
|
|
# Builtin modules don't have a __file__ attribute.
|
|
if not getattr(module, "__file__", None):
|
|
return module
|
|
|
|
# Note: module.__file__ is not always absolute.
|
|
path = os.path.normcase(os.path.abspath(module.__file__))
|
|
# Note: we could avoid normcase and abspath above for non pyc/pyo
|
|
# files, but those are actually rare, so it doesn't really matter.
|
|
if not path.endswith((".pyc", ".pyo")):
|
|
return module
|
|
|
|
# Ignore modules outside our source directory
|
|
if not path.startswith(self._source_dir):
|
|
return module
|
|
|
|
# If there is no .py corresponding to the .pyc/.pyo module we're
|
|
# loading, remove the .pyc/.pyo file, and reload the module.
|
|
# Since we already loaded the .pyc/.pyo module, if it had side
|
|
# effects, they will have happened already, and loading the module
|
|
# with the same name, from another directory may have the same side
|
|
# effects (or different ones). We assume it's not a problem for the
|
|
# python modules under our source directory (either because it
|
|
# doesn't happen or because it doesn't matter).
|
|
if not os.path.exists(module.__file__[:-1]):
|
|
if os.path.exists(module.__file__):
|
|
os.remove(module.__file__)
|
|
del sys.modules[module.__name__]
|
|
module = self(name, globals, locals, fromlist, level)
|
|
|
|
return module
|
|
|
|
|
|
# Hook import such that .pyc/.pyo files without a corresponding .py file in
|
|
# the source directory are essentially ignored. See further below for details
|
|
# and caveats.
|
|
# Objdirs outside the source directory are ignored because in most cases, if
|
|
# a .pyc/.pyo file exists there, a .py file will be next to it anyways.
|
|
class FinderHook(MetaPathFinder):
|
|
def __init__(self, klass):
|
|
# Assume the source directory is the parent directory of the one
|
|
# containing this file.
|
|
self._source_dir = (
|
|
os.path.normcase(
|
|
os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
|
|
)
|
|
+ os.sep
|
|
)
|
|
self.finder_class = klass
|
|
|
|
def find_spec(self, full_name, paths=None, target=None):
|
|
spec = self.finder_class.find_spec(full_name, paths, target)
|
|
|
|
# Some modules don't have an origin.
|
|
if spec is None or spec.origin is None:
|
|
return spec
|
|
|
|
# Normalize the origin path.
|
|
path = os.path.normcase(os.path.abspath(spec.origin))
|
|
# Note: we could avoid normcase and abspath above for non pyc/pyo
|
|
# files, but those are actually rare, so it doesn't really matter.
|
|
if not path.endswith((".pyc", ".pyo")):
|
|
return spec
|
|
|
|
# Ignore modules outside our source directory
|
|
if not path.startswith(self._source_dir):
|
|
return spec
|
|
|
|
# If there is no .py corresponding to the .pyc/.pyo module we're
|
|
# resolving, remove the .pyc/.pyo file, and try again.
|
|
if not os.path.exists(spec.origin[:-1]):
|
|
if os.path.exists(spec.origin):
|
|
os.remove(spec.origin)
|
|
spec = self.finder_class.find_spec(full_name, paths, target)
|
|
|
|
return spec
|
|
|
|
|
|
# Additional hook for python >= 3.8's importlib.metadata.
|
|
class MetadataHook(FinderHook):
|
|
def find_distributions(self, *args, **kwargs):
|
|
return self.finder_class.find_distributions(*args, **kwargs)
|
|
|
|
|
|
def hook(finder):
|
|
has_find_spec = hasattr(finder, "find_spec")
|
|
has_find_distributions = hasattr(finder, "find_distributions")
|
|
if has_find_spec and has_find_distributions:
|
|
return MetadataHook(finder)
|
|
elif has_find_spec:
|
|
return FinderHook(finder)
|
|
return finder
|
|
|
|
|
|
# Install our hook. This can be deleted when the Python 3 migration is complete.
|
|
if sys.version_info[0] < 3:
|
|
builtins.__import__ = ImportHook(builtins.__import__)
|
|
else:
|
|
sys.meta_path = [hook(c) for c in sys.meta_path]
|