#!/usr/bin/env 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/.
# TODO: it might be a good idea of adding a system name (e.g. 'Ubuntu' for
# linux) to the information; I certainly wouldn't want anyone parsing this
# information and having behaviour depend on it
import os
import platform
import re
import sys
from ctypes.util
import find_library
from .string_version
import StringVersion
# keep a copy of the os module since updating globals overrides this
_os = os
class unknown(object):
"""marker class for unknown information"""
# pylint: disable=W1629
def __nonzero__(self):
return False
def __bool__(self):
return False
def __str__(self):
return "UNKNOWN"
unknown = unknown()
# singleton
# get system information
info = {
"os": unknown,
"processor": unknown,
"version": unknown,
"os_version": unknown,
"bits": unknown,
"has_sandbox": unknown,
"display":
None,
"automation": bool(os.environ.get(
"MOZ_AUTOMATION",
False)),
}
(system, node, release, version, machine, processor) = platform.uname()
(bits, linkage) = platform.architecture()
# get os information and related data
if system
in [
"Microsoft",
"Windows"]:
info[
"os"] =
"win"
# uname().processor on Windows gives the full CPU name but
# mozinfo.processor is only about CPU architecture
processor = machine
system = os.environ.get(
"OS", system).replace(
"_",
" ")
(major, minor, build_number, _, _) = os.sys.getwindowsversion()
version =
"%d.%d.%d" % (major, minor, build_number)
if major == 10
and minor == 0
and build_number >= 22000:
major = 11
# 2009 == 22H2 software update. These are the build numbers
# we use 2009 as the "build" which maps to what taskcluster tasks see
if build_number == 22621
or build_number == 19045:
build_number = 2009
os_version =
"%d.%d" % (major, build_number)
elif system.startswith((
"MINGW",
"MSYS_NT")):
# windows/mingw python build (msys)
info[
"os"] =
"win"
os_version = version = unknown
elif system ==
"Linux":
# Attempt to use distro package to determine Linux distribution first.
# Failing that, fall back to use the platform method.
# Note that platform.linux_distribution() will be deprecated as of 3.8
# and this block will be removed once support for 2.7/3.5 is dropped.
try:
from distro
import linux_distribution
except ImportError:
from platform
import linux_distribution
output = linux_distribution()
(distribution, os_version, codename) = tuple(str(item.title())
for item
in output)
if not processor:
processor = machine
if not distribution:
distribution =
"lfs"
if not os_version:
os_version = release
if not codename:
codename =
"unknown"
version =
"%s %s" % (distribution, os_version)
if os.environ.get(
"WAYLAND_DISPLAY"):
info[
"display"] =
"wayland"
elif os.environ.get(
"DISPLAY"):
info[
"display"] =
"x11"
info[
"os"] =
"linux"
info[
"linux_distro"] = distribution
elif system
in [
"DragonFly",
"FreeBSD",
"NetBSD",
"OpenBSD"]:
info[
"os"] =
"bsd" # community builds
version = os_version = sys.platform
elif system ==
"Darwin":
(release, versioninfo, machine) = platform.mac_ver()
version =
"OS X %s" % release
versionNums = release.split(
".")[:2]
os_version =
"%s.%s" % (versionNums[0], versionNums[1].ljust(2,
"0"))
info[
"os"] =
"mac"
elif sys.platform
in (
"solaris",
"sunos5"):
info[
"os"] =
"unix" # community builds
os_version = version = sys.platform
else:
os_version = version = unknown
info[
"apple_silicon"] =
False
if (
info[
"os"] ==
"mac"
and float(os_version) > 10.15
and processor ==
"arm"
and bits ==
"64bit"
):
info[
"apple_silicon"] =
True
info[
"apple_catalina"] =
False
if info[
"os"] ==
"mac" and float(os_version) == 10.15:
info[
"apple_catalina"] =
True
info[
"win10_2009"] =
False
if info[
"os"] ==
"win" and version ==
"10.0.19045":
info[
"win10_2009"] =
True
info[
"win11_2009"] =
False
if info[
"os"] ==
"win" and version ==
"10.0.22621":
info[
"win11_2009"] =
True
info[
"version"] = version
info[
"os_version"] = StringVersion(os_version)
info[
"is_ubuntu"] =
"Ubuntu" in version
# processor type and bits
if processor
in [
"i386",
"i686"]:
if bits ==
"32bit":
processor =
"x86"
elif bits ==
"64bit":
processor =
"x86_64"
elif processor.upper() ==
"AMD64":
bits =
"64bit"
processor =
"x86_64"
elif processor.upper() ==
"ARM64":
bits =
"64bit"
processor =
"aarch64"
elif processor ==
"arm" and bits ==
"64bit":
processor =
"aarch64"
bits = re.search(r
"(\d+)bit", bits).group(1)
info.update(
{
"processor": processor,
"bits": int(bits),
}
)
# we want to transition to this instead of using `!debug`, etc.
info[
"arch"] = info[
"processor"]
if info[
"os"] ==
"linux":
import ctypes
import errno
PR_SET_SECCOMP = 22
SECCOMP_MODE_FILTER = 2
ctypes.CDLL(find_library(
"c"), use_errno=
True).prctl(
PR_SET_SECCOMP, SECCOMP_MODE_FILTER, 0
)
info[
"has_sandbox"] = ctypes.get_errno() == errno.EFAULT
else:
info[
"has_sandbox"] =
True
# standard value of choices, for easy inspection
choices = {
"os": [
"linux",
"win",
"mac"],
"bits": [32, 64],
"processor": [
"x86",
"x86_64",
"aarch64"],
}
def sanitize(info):
"""Do some sanitization of input values, primarily
to handle universal Mac builds.
"""
if "processor" in info
and info[
"processor"] ==
"universal-x86-x86_64":
# If we're running on OS X 10.6 or newer, assume 64-bit
if release[:4] >=
"10.6":
# Note this is a string comparison
info[
"processor"] =
"x86_64"
info[
"bits"] = 64
else:
info[
"processor"] =
"x86"
info[
"bits"] = 32
# method for updating information
def update(new_info):
"""
Update the info.
:param new_info: Either a dict containing the new info
or a path/url
to a json file containing the new info.
"""
from six
import string_types
if isinstance(new_info, string_types):
# lazy import
import json
import mozfile
f = mozfile.load(new_info)
new_info = json.loads(f.read())
f.close()
info.update(new_info)
sanitize(info)
globals().update(info)
# convenience data for os access
for os_name
in choices[
"os"]:
globals()[
"is" + os_name.title()] = info[
"os"] == os_name
def find_and_update_from_json(*dirs, **kwargs):
"""Find a mozinfo.json file, load it, and update global symbol table.
This method will first check the relevant objdir directory
for the
necessary mozinfo.json file,
if the current script
is being run
from a
Mozilla objdir.
If the objdir directory did
not supply the necessary data, this method
will then look
for the required mozinfo.json file
from the provided
tuple of directories.
If file
is found, the
global symbols table
is updated via a helper method.
If no valid files are found, this method no-ops unless the raise_exception
kwargs
is provided
with explicit boolean value of
True.
:param tuple dirs: Directories
in which to look
for the file.
:param dict kwargs: optional values:
raise_exception:
if True, exceptions are raised.
False by default.
:returns:
None: default behavior
if mozinfo.json cannot be found.
json_path: string representation of mozinfo.json path.
:raises: IOError:
if raise_exception
is True and file
is not found.
"""
# First, see if we're in an objdir
try:
from mozboot.mozconfig
import MozconfigFindException
from mozbuild.base
import BuildEnvironmentNotFoundException, MozbuildObject
build = MozbuildObject.from_environment()
json_path = _os.path.join(build.topobjdir,
"mozinfo.json")
if _os.path.isfile(json_path):
update(json_path)
return json_path
except ImportError:
pass
except (BuildEnvironmentNotFoundException, MozconfigFindException):
pass
for dir
in dirs:
d = _os.path.abspath(dir)
json_path = _os.path.join(d,
"mozinfo.json")
if _os.path.isfile(json_path):
update(json_path)
return json_path
# by default, exceptions are suppressed. Set this to True if otherwise
# desired.
if kwargs.get(
"raise_exception",
False):
raise IOError(
"mozinfo.json could not be found.")
return None
def output_to_file(path):
import json
with open(path,
"w")
as f:
f.write(json.dumps(info))
update({})
# exports
__all__ = list(info.keys())
__all__ += [
"is" + os_name.title()
for os_name
in choices[
"os"]]
__all__ += [
"info",
"unknown",
"main",
"choices",
"update",
"find_and_update_from_json",
"output_to_file",
"StringVersion",
]
def main(args=
None):
# parse the command line
from optparse
import OptionParser
parser = OptionParser(description=__doc__)
for key
in choices:
parser.add_option(
"--%s" % key,
dest=key,
action=
"store_true",
default=
False,
help=
"display choices for %s" % key,
)
options, args = parser.parse_args()
# args are JSON blobs to override info
if args:
# lazy import
import json
for arg
in args:
if _os.path.exists(arg):
string = open(arg).read()
else:
string = arg
update(json.loads(string))
# print out choices if requested
flag =
False
for key, value
in options.__dict__.items():
if value
is True:
print(
"%s choices: %s"
% (key,
" ".join([str(choice)
for choice
in choices[key]]))
)
flag =
True
if flag:
return
# otherwise, print out all info
for key, value
in info.items():
print(
"%s: %s" % (key, value))
if __name__ ==
"__main__":
main()