fix ya.make

1 files changed, 0 insertions, 1312 deletions

diff --git a/contrib/tools/python3/src/Lib/platform.py b/contrib/tools/python3/src/Lib/platform.py
deleted file mode 100755
index e32f9c11cdb..00000000000
--- a/contrib/tools/python3/src/Lib/platform.py
+++ /dev/null
@@ -1,1312 +0,0 @@
-#!/usr/bin/env python3
-
-""" This module tries to retrieve as much platform-identifying data as
-    possible. It makes this information available via function APIs.
-
-    If called from the command line, it prints the platform
-    information concatenated as single string to stdout. The output
-    format is useable as part of a filename.
-
-"""
-#    This module is maintained by Marc-Andre Lemburg <[email protected]>.
-#    If you find problems, please submit bug reports/patches via the
-#    Python bug tracker (http://bugs.python.org) and assign them to "lemburg".
-#
-#    Still needed:
-#    * support for MS-DOS (PythonDX ?)
-#    * support for Amiga and other still unsupported platforms running Python
-#    * support for additional Linux distributions
-#
-#    Many thanks to all those who helped adding platform-specific
-#    checks (in no particular order):
-#
-#      Charles G Waldman, David Arnold, Gordon McMillan, Ben Darnell,
-#      Jeff Bauer, Cliff Crawford, Ivan Van Laningham, Josef
-#      Betancourt, Randall Hopper, Karl Putland, John Farrell, Greg
-#      Andruk, Just van Rossum, Thomas Heller, Mark R. Levinson, Mark
-#      Hammond, Bill Tutt, Hans Nowak, Uwe Zessin (OpenVMS support),
-#      Colin Kong, Trent Mick, Guido van Rossum, Anthony Baxter, Steve
-#      Dower
-#
-#    History:
-#
-#    <see CVS and SVN checkin messages for history>
-#
-#    1.0.8 - changed Windows support to read version from kernel32.dll
-#    1.0.7 - added DEV_NULL
-#    1.0.6 - added linux_distribution()
-#    1.0.5 - fixed Java support to allow running the module on Jython
-#    1.0.4 - added IronPython support
-#    1.0.3 - added normalization of Windows system name
-#    1.0.2 - added more Windows support
-#    1.0.1 - reformatted to make doc.py happy
-#    1.0.0 - reformatted a bit and checked into Python CVS
-#    0.8.0 - added sys.version parser and various new access
-#            APIs (python_version(), python_compiler(), etc.)
-#    0.7.2 - fixed architecture() to use sizeof(pointer) where available
-#    0.7.1 - added support for Caldera OpenLinux
-#    0.7.0 - some fixes for WinCE; untabified the source file
-#    0.6.2 - support for OpenVMS - requires version 1.5.2-V006 or higher and
-#            vms_lib.getsyi() configured
-#    0.6.1 - added code to prevent 'uname -p' on platforms which are
-#            known not to support it
-#    0.6.0 - fixed win32_ver() to hopefully work on Win95,98,NT and Win2k;
-#            did some cleanup of the interfaces - some APIs have changed
-#    0.5.5 - fixed another type in the MacOS code... should have
-#            used more coffee today ;-)
-#    0.5.4 - fixed a few typos in the MacOS code
-#    0.5.3 - added experimental MacOS support; added better popen()
-#            workarounds in _syscmd_ver() -- still not 100% elegant
-#            though
-#    0.5.2 - fixed uname() to return '' instead of 'unknown' in all
-#            return values (the system uname command tends to return
-#            'unknown' instead of just leaving the field empty)
-#    0.5.1 - included code for slackware dist; added exception handlers
-#            to cover up situations where platforms don't have os.popen
-#            (e.g. Mac) or fail on socket.gethostname(); fixed libc
-#            detection RE
-#    0.5.0 - changed the API names referring to system commands to *syscmd*;
-#            added java_ver(); made syscmd_ver() a private
-#            API (was system_ver() in previous versions) -- use uname()
-#            instead; extended the win32_ver() to also return processor
-#            type information
-#    0.4.0 - added win32_ver() and modified the platform() output for WinXX
-#    0.3.4 - fixed a bug in _follow_symlinks()
-#    0.3.3 - fixed popen() and "file" command invocation bugs
-#    0.3.2 - added architecture() API and support for it in platform()
-#    0.3.1 - fixed syscmd_ver() RE to support Windows NT
-#    0.3.0 - added system alias support
-#    0.2.3 - removed 'wince' again... oh well.
-#    0.2.2 - added 'wince' to syscmd_ver() supported platforms
-#    0.2.1 - added cache logic and changed the platform string format
-#    0.2.0 - changed the API to use functions instead of module globals
-#            since some action take too long to be run on module import
-#    0.1.0 - first release
-#
-#    You can always get the latest version of this module at:
-#
-#             http://www.egenix.com/files/python/platform.py
-#
-#    If that URL should fail, try contacting the author.
-
-__copyright__ = """
-    Copyright (c) 1999-2000, Marc-Andre Lemburg; mailto:[email protected]
-    Copyright (c) 2000-2010, eGenix.com Software GmbH; mailto:[email protected]
-
-    Permission to use, copy, modify, and distribute this software and its
-    documentation for any purpose and without fee or royalty is hereby granted,
-    provided that the above copyright notice appear in all copies and that
-    both that copyright notice and this permission notice appear in
-    supporting documentation or portions thereof, including modifications,
-    that you make.
-
-    EGENIX.COM SOFTWARE GMBH DISCLAIMS ALL WARRANTIES WITH REGARD TO
-    THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
-    FITNESS, IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL,
-    INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
-    FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
-    NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
-    WITH THE USE OR PERFORMANCE OF THIS SOFTWARE !
-
-"""
-
-__version__ = '1.0.8'
-
-import collections
-import os
-import re
-import sys
-import subprocess
-import functools
-import itertools
-
-### Globals & Constants
-
-# Helper for comparing two version number strings.
-# Based on the description of the PHP's version_compare():
-# http://php.net/manual/en/function.version-compare.php
-
-_ver_stages = {
-    # any string not found in this dict, will get 0 assigned
-    'dev': 10,
-    'alpha': 20, 'a': 20,
-    'beta': 30, 'b': 30,
-    'c': 40,
-    'RC': 50, 'rc': 50,
-    # number, will get 100 assigned
-    'pl': 200, 'p': 200,
-}
-
-_component_re = re.compile(r'([0-9]+|[._+-])')
-
-def _comparable_version(version):
-    result = []
-    for v in _component_re.split(version):
-        if v not in '._+-':
-            try:
-                v = int(v, 10)
-                t = 100
-            except ValueError:
-                t = _ver_stages.get(v, 0)
-            result.extend((t, v))
-    return result
-
-### Platform specific APIs
-
-_libc_search = re.compile(b'(__libc_init)'
-                          b'|'
-                          b'(GLIBC_([0-9.]+))'
-                          b'|'
-                          br'(libc(_\w+)?\.so(?:\.(\d[0-9.]*))?)', re.ASCII)
-
-def libc_ver(executable=None, lib='', version='', chunksize=16384):
-
-    """ Tries to determine the libc version that the file executable
-        (which defaults to the Python interpreter) is linked against.
-
-        Returns a tuple of strings (lib,version) which default to the
-        given parameters in case the lookup fails.
-
-        Note that the function has intimate knowledge of how different
-        libc versions add symbols to the executable and thus is probably
-        only useable for executables compiled using gcc.
-
-        The file is read and scanned in chunks of chunksize bytes.
-
-    """
-    if not executable:
-        try:
-            ver = os.confstr('CS_GNU_LIBC_VERSION')
-            # parse 'glibc 2.28' as ('glibc', '2.28')
-            parts = ver.split(maxsplit=1)
-            if len(parts) == 2:
-                return tuple(parts)
-        except (AttributeError, ValueError, OSError):
-            # os.confstr() or CS_GNU_LIBC_VERSION value not available
-            pass
-
-        executable = sys.executable
-
-    V = _comparable_version
-    if hasattr(os.path, 'realpath'):
-        # Python 2.2 introduced os.path.realpath(); it is used
-        # here to work around problems with Cygwin not being
-        # able to open symlinks for reading
-        executable = os.path.realpath(executable)
-    with open(executable, 'rb') as f:
-        binary = f.read(chunksize)
-        pos = 0
-        while pos < len(binary):
-            if b'libc' in binary or b'GLIBC' in binary:
-                m = _libc_search.search(binary, pos)
-            else:
-                m = None
-            if not m or m.end() == len(binary):
-                chunk = f.read(chunksize)
-                if chunk:
-                    binary = binary[max(pos, len(binary) - 1000):] + chunk
-                    pos = 0
-                    continue
-                if not m:
-                    break
-            libcinit, glibc, glibcversion, so, threads, soversion = [
-                s.decode('latin1') if s is not None else s
-                for s in m.groups()]
-            if libcinit and not lib:
-                lib = 'libc'
-            elif glibc:
-                if lib != 'glibc':
-                    lib = 'glibc'
-                    version = glibcversion
-                elif V(glibcversion) > V(version):
-                    version = glibcversion
-            elif so:
-                if lib != 'glibc':
-                    lib = 'libc'
-                    if soversion and (not version or V(soversion) > V(version)):
-                        version = soversion
-                    if threads and version[-len(threads):] != threads:
-                        version = version + threads
-            pos = m.end()
-    return lib, version
-
-def _norm_version(version, build=''):
-
-    """ Normalize the version and build strings and return a single
-        version string using the format major.minor.build (or patchlevel).
-    """
-    l = version.split('.')
-    if build:
-        l.append(build)
-    try:
-        strings = list(map(str, map(int, l)))
-    except ValueError:
-        strings = l
-    version = '.'.join(strings[:3])
-    return version
-
-_ver_output = re.compile(r'(?:([\w ]+) ([\w.]+) '
-                         r'.*'
-                         r'\[.* ([\d.]+)\])')
-
-# Examples of VER command output:
-#
-#   Windows 2000:  Microsoft Windows 2000 [Version 5.00.2195]
-#   Windows XP:    Microsoft Windows XP [Version 5.1.2600]
-#   Windows Vista: Microsoft Windows [Version 6.0.6002]
-#
-# Note that the "Version" string gets localized on different
-# Windows versions.
-
-def _syscmd_ver(system='', release='', version='',
-
-               supported_platforms=('win32', 'win16', 'dos')):
-
-    """ Tries to figure out the OS version used and returns
-        a tuple (system, release, version).
-
-        It uses the "ver" shell command for this which is known
-        to exists on Windows, DOS. XXX Others too ?
-
-        In case this fails, the given parameters are used as
-        defaults.
-
-    """
-    if sys.platform not in supported_platforms:
-        return system, release, version
-
-    # Try some common cmd strings
-    import subprocess
-    for cmd in ('ver', 'command /c ver', 'cmd /c ver'):
-        try:
-            info = subprocess.check_output(cmd,
-                                           stdin=subprocess.DEVNULL,
-                                           stderr=subprocess.DEVNULL,
-                                           text=True,
-                                           shell=True)
-        except (OSError, subprocess.CalledProcessError) as why:
-            #print('Command %s failed: %s' % (cmd, why))
-            continue
-        else:
-            break
-    else:
-        return system, release, version
-
-    # Parse the output
-    info = info.strip()
-    m = _ver_output.match(info)
-    if m is not None:
-        system, release, version = m.groups()
-        # Strip trailing dots from version and release
-        if release[-1] == '.':
-            release = release[:-1]
-        if version[-1] == '.':
-            version = version[:-1]
-        # Normalize the version and build strings (eliminating additional
-        # zeros)
-        version = _norm_version(version)
-    return system, release, version
-
-_WIN32_CLIENT_RELEASES = {
-    (5, 0): "2000",
-    (5, 1): "XP",
-    # Strictly, 5.2 client is XP 64-bit, but platform.py historically
-    # has always called it 2003 Server
-    (5, 2): "2003Server",
-    (5, None): "post2003",
-
-    (6, 0): "Vista",
-    (6, 1): "7",
-    (6, 2): "8",
-    (6, 3): "8.1",
-    (6, None): "post8.1",
-
-    (10, 0): "10",
-    (10, None): "post10",
-}
-
-# Server release name lookup will default to client names if necessary
-_WIN32_SERVER_RELEASES = {
-    (5, 2): "2003Server",
-
-    (6, 0): "2008Server",
-    (6, 1): "2008ServerR2",
-    (6, 2): "2012Server",
-    (6, 3): "2012ServerR2",
-    (6, None): "post2012ServerR2",
-}
-
-def win32_is_iot():
-    return win32_edition() in ('IoTUAP', 'NanoServer', 'WindowsCoreHeadless', 'IoTEdgeOS')
-
-def win32_edition():
-    try:
-        try:
-            import winreg
-        except ImportError:
-            import _winreg as winreg
-    except ImportError:
-        pass
-    else:
-        try:
-            cvkey = r'SOFTWARE\Microsoft\Windows NT\CurrentVersion'
-            with winreg.OpenKeyEx(winreg.HKEY_LOCAL_MACHINE, cvkey) as key:
-                return winreg.QueryValueEx(key, 'EditionId')[0]
-        except OSError:
-            pass
-
-    return None
-
-def win32_ver(release='', version='', csd='', ptype=''):
-    try:
-        from sys import getwindowsversion
-    except ImportError:
-        return release, version, csd, ptype
-
-    winver = getwindowsversion()
-    try:
-        major, minor, build = map(int, _syscmd_ver()[2].split('.'))
-    except ValueError:
-        major, minor, build = winver.platform_version or winver[:3]
-    version = '{0}.{1}.{2}'.format(major, minor, build)
-
-    release = (_WIN32_CLIENT_RELEASES.get((major, minor)) or
-               _WIN32_CLIENT_RELEASES.get((major, None)) or
-               release)
-
-    # getwindowsversion() reflect the compatibility mode Python is
-    # running under, and so the service pack value is only going to be
-    # valid if the versions match.
-    if winver[:2] == (major, minor):
-        try:
-            csd = 'SP{}'.format(winver.service_pack_major)
-        except AttributeError:
-            if csd[:13] == 'Service Pack ':
-                csd = 'SP' + csd[13:]
-
-    # VER_NT_SERVER = 3
-    if getattr(winver, 'product_type', None) == 3:
-        release = (_WIN32_SERVER_RELEASES.get((major, minor)) or
-                   _WIN32_SERVER_RELEASES.get((major, None)) or
-                   release)
-
-    try:
-        try:
-            import winreg
-        except ImportError:
-            import _winreg as winreg
-    except ImportError:
-        pass
-    else:
-        try:
-            cvkey = r'SOFTWARE\Microsoft\Windows NT\CurrentVersion'
-            with winreg.OpenKeyEx(winreg.HKEY_LOCAL_MACHINE, cvkey) as key:
-                ptype = winreg.QueryValueEx(key, 'CurrentType')[0]
-        except OSError:
-            pass
-
-    return release, version, csd, ptype
-
-
-def _mac_ver_xml():
-    fn = '/System/Library/CoreServices/SystemVersion.plist'
-    if not os.path.exists(fn):
-        return None
-
-    try:
-        import plistlib
-    except ImportError:
-        return None
-
-    with open(fn, 'rb') as f:
-        pl = plistlib.load(f)
-    release = pl['ProductVersion']
-    versioninfo = ('', '', '')
-    machine = os.uname().machine
-    if machine in ('ppc', 'Power Macintosh'):
-        # Canonical name
-        machine = 'PowerPC'
-
-    return release, versioninfo, machine
-
-
-def mac_ver(release='', versioninfo=('', '', ''), machine=''):
-
-    """ Get macOS version information and return it as tuple (release,
-        versioninfo, machine) with versioninfo being a tuple (version,
-        dev_stage, non_release_version).
-
-        Entries which cannot be determined are set to the parameter values
-        which default to ''. All tuple entries are strings.
-    """
-
-    # First try reading the information from an XML file which should
-    # always be present
-    info = _mac_ver_xml()
-    if info is not None:
-        return info
-
-    # If that also doesn't work return the default values
-    return release, versioninfo, machine
-
-def _java_getprop(name, default):
-
-    from java.lang import System
-    try:
-        value = System.getProperty(name)
-        if value is None:
-            return default
-        return value
-    except AttributeError:
-        return default
-
-def java_ver(release='', vendor='', vminfo=('', '', ''), osinfo=('', '', '')):
-
-    """ Version interface for Jython.
-
-        Returns a tuple (release, vendor, vminfo, osinfo) with vminfo being
-        a tuple (vm_name, vm_release, vm_vendor) and osinfo being a
-        tuple (os_name, os_version, os_arch).
-
-        Values which cannot be determined are set to the defaults
-        given as parameters (which all default to '').
-
-    """
-    # Import the needed APIs
-    try:
-        import java.lang
-    except ImportError:
-        return release, vendor, vminfo, osinfo
-
-    vendor = _java_getprop('java.vendor', vendor)
-    release = _java_getprop('java.version', release)
-    vm_name, vm_release, vm_vendor = vminfo
-    vm_name = _java_getprop('java.vm.name', vm_name)
-    vm_vendor = _java_getprop('java.vm.vendor', vm_vendor)
-    vm_release = _java_getprop('java.vm.version', vm_release)
-    vminfo = vm_name, vm_release, vm_vendor
-    os_name, os_version, os_arch = osinfo
-    os_arch = _java_getprop('java.os.arch', os_arch)
-    os_name = _java_getprop('java.os.name', os_name)
-    os_version = _java_getprop('java.os.version', os_version)
-    osinfo = os_name, os_version, os_arch
-
-    return release, vendor, vminfo, osinfo
-
-### System name aliasing
-
-def system_alias(system, release, version):
-
-    """ Returns (system, release, version) aliased to common
-        marketing names used for some systems.
-
-        It also does some reordering of the information in some cases
-        where it would otherwise cause confusion.
-
-    """
-    if system == 'SunOS':
-        # Sun's OS
-        if release < '5':
-            # These releases use the old name SunOS
-            return system, release, version
-        # Modify release (marketing release = SunOS release - 3)
-        l = release.split('.')
-        if l:
-            try:
-                major = int(l[0])
-            except ValueError:
-                pass
-            else:
-                major = major - 3
-                l[0] = str(major)
-                release = '.'.join(l)
-        if release < '6':
-            system = 'Solaris'
-        else:
-            # XXX Whatever the new SunOS marketing name is...
-            system = 'Solaris'
-
-    elif system in ('win32', 'win16'):
-        # In case one of the other tricks
-        system = 'Windows'
-
-    # bpo-35516: Don't replace Darwin with macOS since input release and
-    # version arguments can be different than the currently running version.
-
-    return system, release, version
-
-### Various internal helpers
-
-def _platform(*args):
-
-    """ Helper to format the platform string in a filename
-        compatible format e.g. "system-version-machine".
-    """
-    # Format the platform string
-    platform = '-'.join(x.strip() for x in filter(len, args))
-
-    # Cleanup some possible filename obstacles...
-    platform = platform.replace(' ', '_')
-    platform = platform.replace('/', '-')
-    platform = platform.replace('\\', '-')
-    platform = platform.replace(':', '-')
-    platform = platform.replace(';', '-')
-    platform = platform.replace('"', '-')
-    platform = platform.replace('(', '-')
-    platform = platform.replace(')', '-')
-
-    # No need to report 'unknown' information...
-    platform = platform.replace('unknown', '')
-
-    # Fold '--'s and remove trailing '-'
-    while 1:
-        cleaned = platform.replace('--', '-')
-        if cleaned == platform:
-            break
-        platform = cleaned
-    while platform[-1] == '-':
-        platform = platform[:-1]
-
-    return platform
-
-def _node(default=''):
-
-    """ Helper to determine the node name of this machine.
-    """
-    try:
-        import socket
-    except ImportError:
-        # No sockets...
-        return default
-    try:
-        return socket.gethostname()
-    except OSError:
-        # Still not working...
-        return default
-
-def _follow_symlinks(filepath):
-
-    """ In case filepath is a symlink, follow it until a
-        real file is reached.
-    """
-    filepath = os.path.abspath(filepath)
-    while os.path.islink(filepath):
-        filepath = os.path.normpath(
-            os.path.join(os.path.dirname(filepath), os.readlink(filepath)))
-    return filepath
-
-
-def _syscmd_file(target, default=''):
-
-    """ Interface to the system's file command.
-
-        The function uses the -b option of the file command to have it
-        omit the filename in its output. Follow the symlinks. It returns
-        default in case the command should fail.
-
-    """
-    if sys.platform in ('dos', 'win32', 'win16'):
-        # XXX Others too ?
-        return default
-
-    import subprocess
-    target = _follow_symlinks(target)
-    # "file" output is locale dependent: force the usage of the C locale
-    # to get deterministic behavior.
-    env = dict(os.environ, LC_ALL='C')
-    try:
-        # -b: do not prepend filenames to output lines (brief mode)
-        output = subprocess.check_output(['file', '-b', target],
-                                         stderr=subprocess.DEVNULL,
-                                         env=env)
-    except (OSError, subprocess.CalledProcessError):
-        return default
-    if not output:
-        return default
-    # With the C locale, the output should be mostly ASCII-compatible.
-    # Decode from Latin-1 to prevent Unicode decode error.
-    return output.decode('latin-1')
-
-### Information about the used architecture
-
-# Default values for architecture; non-empty strings override the
-# defaults given as parameters
-_default_architecture = {
-    'win32': ('', 'WindowsPE'),
-    'win16': ('', 'Windows'),
-    'dos': ('', 'MSDOS'),
-}
-
-def architecture(executable=sys.executable, bits='', linkage=''):
-
-    """ Queries the given executable (defaults to the Python interpreter
-        binary) for various architecture information.
-
-        Returns a tuple (bits, linkage) which contains information about
-        the bit architecture and the linkage format used for the
-        executable. Both values are returned as strings.
-
-        Values that cannot be determined are returned as given by the
-        parameter presets. If bits is given as '', the sizeof(pointer)
-        (or sizeof(long) on Python version < 1.5.2) is used as
-        indicator for the supported pointer size.
-
-        The function relies on the system's "file" command to do the
-        actual work. This is available on most if not all Unix
-        platforms. On some non-Unix platforms where the "file" command
-        does not exist and the executable is set to the Python interpreter
-        binary defaults from _default_architecture are used.
-
-    """
-    # Use the sizeof(pointer) as default number of bits if nothing
-    # else is given as default.
-    if not bits:
-        import struct
-        size = struct.calcsize('P')
-        bits = str(size * 8) + 'bit'
-
-    # Get data from the 'file' system command
-    if executable:
-        fileout = _syscmd_file(executable, '')
-    else:
-        fileout = ''
-
-    if not fileout and \
-       executable == sys.executable:
-        # "file" command did not return anything; we'll try to provide
-        # some sensible defaults then...
-        if sys.platform in _default_architecture:
-            b, l = _default_architecture[sys.platform]
-            if b:
-                bits = b
-            if l:
-                linkage = l
-        return bits, linkage
-
-    if 'executable' not in fileout and 'shared object' not in fileout:
-        # Format not supported
-        return bits, linkage
-
-    # Bits
-    if '32-bit' in fileout:
-        bits = '32bit'
-    elif '64-bit' in fileout:
-        bits = '64bit'
-
-    # Linkage
-    if 'ELF' in fileout:
-        linkage = 'ELF'
-    elif 'PE' in fileout:
-        # E.g. Windows uses this format
-        if 'Windows' in fileout:
-            linkage = 'WindowsPE'
-        else:
-            linkage = 'PE'
-    elif 'COFF' in fileout:
-        linkage = 'COFF'
-    elif 'MS-DOS' in fileout:
-        linkage = 'MSDOS'
-    else:
-        # XXX the A.OUT format also falls under this class...
-        pass
-
-    return bits, linkage
-
-
-def _get_machine_win32():
-    # Try to use the PROCESSOR_* environment variables
-    # available on Win XP and later; see
-    # http://support.microsoft.com/kb/888731 and
-    # http://www.geocities.com/rick_lively/MANUALS/ENV/MSWIN/PROCESSI.HTM
-
-    # WOW64 processes mask the native architecture
-    return (
-        os.environ.get('PROCESSOR_ARCHITEW6432', '') or
-        os.environ.get('PROCESSOR_ARCHITECTURE', '')
-    )
-
-
-class _Processor:
-    @classmethod
-    def get(cls):
-        func = getattr(cls, f'get_{sys.platform}', cls.from_subprocess)
-        return func() or ''
-
-    def get_win32():
-        return os.environ.get('PROCESSOR_IDENTIFIER', _get_machine_win32())
-
-    def get_OpenVMS():
-        try:
-            import vms_lib
-        except ImportError:
-            pass
-        else:
-            csid, cpu_number = vms_lib.getsyi('SYI$_CPU', 0)
-            return 'Alpha' if cpu_number >= 128 else 'VAX'
-
-    def from_subprocess():
-        """
-        Fall back to `uname -p`
-        """
-        try:
-            return subprocess.check_output(
-                ['uname', '-p'],
-                stderr=subprocess.DEVNULL,
-                text=True,
-            ).strip()
-        except (OSError, subprocess.CalledProcessError):
-            pass
-
-
-def _unknown_as_blank(val):
-    return '' if val == 'unknown' else val
-
-
-### Portable uname() interface
-
-class uname_result(
-    collections.namedtuple(
-        "uname_result_base",
-        "system node release version machine")
-        ):
-    """
-    A uname_result that's largely compatible with a
-    simple namedtuple except that 'processor' is
-    resolved late and cached to avoid calling "uname"
-    except when needed.
-    """
-
-    @functools.cached_property
-    def processor(self):
-        return _unknown_as_blank(_Processor.get())
-
-    def __iter__(self):
-        return itertools.chain(
-            super().__iter__(),
-            (self.processor,)
-        )
-
-    @classmethod
-    def _make(cls, iterable):
-        # override factory to affect length check
-        num_fields = len(cls._fields)
-        result = cls.__new__(cls, *iterable)
-        if len(result) != num_fields + 1:
-            msg = f'Expected {num_fields} arguments, got {len(result)}'
-            raise TypeError(msg)
-        return result
-
-    def __getitem__(self, key):
-        return tuple(self)[key]
-
-    def __len__(self):
-        return len(tuple(iter(self)))
-
-    def __reduce__(self):
-        return uname_result, tuple(self)[:len(self._fields)]
-
-
-_uname_cache = None
-
-
-def uname():
-
-    """ Fairly portable uname interface. Returns a tuple
-        of strings (system, node, release, version, machine, processor)
-        identifying the underlying platform.
-
-        Note that unlike the os.uname function this also returns
-        possible processor information as an additional tuple entry.
-
-        Entries which cannot be determined are set to ''.
-
-    """
-    global _uname_cache
-
-    if _uname_cache is not None:
-        return _uname_cache
-
-    # Get some infos from the builtin os.uname API...
-    try:
-        system, node, release, version, machine = infos = os.uname()
-    except AttributeError:
-        system = sys.platform
-        node = _node()
-        release = version = machine = ''
-        infos = ()
-
-    if not any(infos):
-        # uname is not available
-
-        # Try win32_ver() on win32 platforms
-        if system == 'win32':
-            release, version, csd, ptype = win32_ver()
-            machine = machine or _get_machine_win32()
-
-        # Try the 'ver' system command available on some
-        # platforms
-        if not (release and version):
-            system, release, version = _syscmd_ver(system)
-            # Normalize system to what win32_ver() normally returns
-            # (_syscmd_ver() tends to return the vendor name as well)
-            if system == 'Microsoft Windows':
-                system = 'Windows'
-            elif system == 'Microsoft' and release == 'Windows':
-                # Under Windows Vista and Windows Server 2008,
-                # Microsoft changed the output of the ver command. The
-                # release is no longer printed.  This causes the
-                # system and release to be misidentified.
-                system = 'Windows'
-                if '6.0' == version[:3]:
-                    release = 'Vista'
-                else:
-                    release = ''
-
-        # In case we still don't know anything useful, we'll try to
-        # help ourselves
-        if system in ('win32', 'win16'):
-            if not version:
-                if system == 'win32':
-                    version = '32bit'
-                else:
-                    version = '16bit'
-            system = 'Windows'
-
-        elif system[:4] == 'java':
-            release, vendor, vminfo, osinfo = java_ver()
-            system = 'Java'
-            version = ', '.join(vminfo)
-            if not version:
-                version = vendor
-
-    # System specific extensions
-    if system == 'OpenVMS':
-        # OpenVMS seems to have release and version mixed up
-        if not release or release == '0':
-            release = version
-            version = ''
-
-    #  normalize name
-    if system == 'Microsoft' and release == 'Windows':
-        system = 'Windows'
-        release = 'Vista'
-
-    vals = system, node, release, version, machine
-    # Replace 'unknown' values with the more portable ''
-    _uname_cache = uname_result(*map(_unknown_as_blank, vals))
-    return _uname_cache
-
-### Direct interfaces to some of the uname() return values
-
-def system():
-
-    """ Returns the system/OS name, e.g. 'Linux', 'Windows' or 'Java'.
-
-        An empty string is returned if the value cannot be determined.
-
-    """
-    return uname().system
-
-def node():
-
-    """ Returns the computer's network name (which may not be fully
-        qualified)
-
-        An empty string is returned if the value cannot be determined.
-
-    """
-    return uname().node
-
-def release():
-
-    """ Returns the system's release, e.g. '2.2.0' or 'NT'
-
-        An empty string is returned if the value cannot be determined.
-
-    """
-    return uname().release
-
-def version():
-
-    """ Returns the system's release version, e.g. '#3 on degas'
-
-        An empty string is returned if the value cannot be determined.
-
-    """
-    return uname().version
-
-def machine():
-
-    """ Returns the machine type, e.g. 'i386'
-
-        An empty string is returned if the value cannot be determined.
-
-    """
-    return uname().machine
-
-def processor():
-
-    """ Returns the (true) processor name, e.g. 'amdk6'
-
-        An empty string is returned if the value cannot be
-        determined. Note that many platforms do not provide this
-        information or simply return the same value as for machine(),
-        e.g.  NetBSD does this.
-
-    """
-    return uname().processor
-
-### Various APIs for extracting information from sys.version
-
-_sys_version_parser = re.compile(
-    r'([\w.+]+)\s*'  # "version<space>"
-    r'\(#?([^,]+)'  # "(#buildno"
-    r'(?:,\s*([\w ]*)'  # ", builddate"
-    r'(?:,\s*([\w :]*))?)?\)\s*'  # ", buildtime)<space>"
-    r'\[([^\]]+)\]?', re.ASCII)  # "[compiler]"
-
-_ironpython_sys_version_parser = re.compile(
-    r'IronPython\s*'
-    r'([\d\.]+)'
-    r'(?: \(([\d\.]+)\))?'
-    r' on (.NET [\d\.]+)', re.ASCII)
-
-# IronPython covering 2.6 and 2.7
-_ironpython26_sys_version_parser = re.compile(
-    r'([\d.]+)\s*'
-    r'\(IronPython\s*'
-    r'[\d.]+\s*'
-    r'\(([\d.]+)\) on ([\w.]+ [\d.]+(?: \(\d+-bit\))?)\)'
-)
-
-_pypy_sys_version_parser = re.compile(
-    r'([\w.+]+)\s*'
-    r'\(#?([^,]+),\s*([\w ]+),\s*([\w :]+)\)\s*'
-    r'\[PyPy [^\]]+\]?')
-
-_sys_version_cache = {}
-
-def _sys_version(sys_version=None):
-
-    """ Returns a parsed version of Python's sys.version as tuple
-        (name, version, branch, revision, buildno, builddate, compiler)
-        referring to the Python implementation name, version, branch,
-        revision, build number, build date/time as string and the compiler
-        identification string.
-
-        Note that unlike the Python sys.version, the returned value
-        for the Python version will always include the patchlevel (it
-        defaults to '.0').
-
-        The function returns empty strings for tuple entries that
-        cannot be determined.
-
-        sys_version may be given to parse an alternative version
-        string, e.g. if the version was read from a different Python
-        interpreter.
-
-    """
-    # Get the Python version
-    if sys_version is None:
-        sys_version = sys.version
-
-    # Try the cache first
-    result = _sys_version_cache.get(sys_version, None)
-    if result is not None:
-        return result
-
-    # Parse it
-    if 'IronPython' in sys_version:
-        # IronPython
-        name = 'IronPython'
-        if sys_version.startswith('IronPython'):
-            match = _ironpython_sys_version_parser.match(sys_version)
-        else:
-            match = _ironpython26_sys_version_parser.match(sys_version)
-
-        if match is None:
-            raise ValueError(
-                'failed to parse IronPython sys.version: %s' %
-                repr(sys_version))
-
-        version, alt_version, compiler = match.groups()
-        buildno = ''
-        builddate = ''
-
-    elif sys.platform.startswith('java'):
-        # Jython
-        name = 'Jython'
-        match = _sys_version_parser.match(sys_version)
-        if match is None:
-            raise ValueError(
-                'failed to parse Jython sys.version: %s' %
-                repr(sys_version))
-        version, buildno, builddate, buildtime, _ = match.groups()
-        if builddate is None:
-            builddate = ''
-        compiler = sys.platform
-
-    elif "PyPy" in sys_version:
-        # PyPy
-        name = "PyPy"
-        match = _pypy_sys_version_parser.match(sys_version)
-        if match is None:
-            raise ValueError("failed to parse PyPy sys.version: %s" %
-                             repr(sys_version))
-        version, buildno, builddate, buildtime = match.groups()
-        compiler = ""
-
-    else:
-        # CPython
-        match = _sys_version_parser.match(sys_version)
-        if match is None:
-            raise ValueError(
-                'failed to parse CPython sys.version: %s' %
-                repr(sys_version))
-        version, buildno, builddate, buildtime, compiler = \
-              match.groups()
-        name = 'CPython'
-        if builddate is None:
-            builddate = ''
-        elif buildtime:
-            builddate = builddate + ' ' + buildtime
-
-    if hasattr(sys, '_git'):
-        _, branch, revision = sys._git
-    elif hasattr(sys, '_mercurial'):
-        _, branch, revision = sys._mercurial
-    else:
-        branch = ''
-        revision = ''
-
-    # Add the patchlevel version if missing
-    l = version.split('.')
-    if len(l) == 2:
-        l.append('0')
-        version = '.'.join(l)
-
-    # Build and cache the result
-    result = (name, version, branch, revision, buildno, builddate, compiler)
-    _sys_version_cache[sys_version] = result
-    return result
-
-def python_implementation():
-
-    """ Returns a string identifying the Python implementation.
-
-        Currently, the following implementations are identified:
-          'CPython' (C implementation of Python),
-          'IronPython' (.NET implementation of Python),
-          'Jython' (Java implementation of Python),
-          'PyPy' (Python implementation of Python).
-
-    """
-    return _sys_version()[0]
-
-def python_version():
-
-    """ Returns the Python version as string 'major.minor.patchlevel'
-
-        Note that unlike the Python sys.version, the returned value
-        will always include the patchlevel (it defaults to 0).
-
-    """
-    return _sys_version()[1]
-
-def python_version_tuple():
-
-    """ Returns the Python version as tuple (major, minor, patchlevel)
-        of strings.
-
-        Note that unlike the Python sys.version, the returned value
-        will always include the patchlevel (it defaults to 0).
-
-    """
-    return tuple(_sys_version()[1].split('.'))
-
-def python_branch():
-
-    """ Returns a string identifying the Python implementation
-        branch.
-
-        For CPython this is the SCM branch from which the
-        Python binary was built.
-
-        If not available, an empty string is returned.
-
-    """
-
-    return _sys_version()[2]
-
-def python_revision():
-
-    """ Returns a string identifying the Python implementation
-        revision.
-
-        For CPython this is the SCM revision from which the
-        Python binary was built.
-
-        If not available, an empty string is returned.
-
-    """
-    return _sys_version()[3]
-
-def python_build():
-
-    """ Returns a tuple (buildno, builddate) stating the Python
-        build number and date as strings.
-
-    """
-    return _sys_version()[4:6]
-
-def python_compiler():
-
-    """ Returns a string identifying the compiler used for compiling
-        Python.
-
-    """
-    return _sys_version()[6]
-
-### The Opus Magnum of platform strings :-)
-
-_platform_cache = {}
-
-def platform(aliased=0, terse=0):
-
-    """ Returns a single string identifying the underlying platform
-        with as much useful information as possible (but no more :).
-
-        The output is intended to be human readable rather than
-        machine parseable. It may look different on different
-        platforms and this is intended.
-
-        If "aliased" is true, the function will use aliases for
-        various platforms that report system names which differ from
-        their common names, e.g. SunOS will be reported as
-        Solaris. The system_alias() function is used to implement
-        this.
-
-        Setting terse to true causes the function to return only the
-        absolute minimum information needed to identify the platform.
-
-    """
-    result = _platform_cache.get((aliased, terse), None)
-    if result is not None:
-        return result
-
-    # Get uname information and then apply platform specific cosmetics
-    # to it...
-    system, node, release, version, machine, processor = uname()
-    if machine == processor:
-        processor = ''
-    if aliased:
-        system, release, version = system_alias(system, release, version)
-
-    if system == 'Darwin':
-        # macOS (darwin kernel)
-        macos_release = mac_ver()[0]
-        if macos_release:
-            system = 'macOS'
-            release = macos_release
-
-    if system == 'Windows':
-        # MS platforms
-        rel, vers, csd, ptype = win32_ver(version)
-        if terse:
-            platform = _platform(system, release)
-        else:
-            platform = _platform(system, release, version, csd)
-
-    elif system in ('Linux',):
-        # check for libc vs. glibc
-        libcname, libcversion = libc_ver()
-        platform = _platform(system, release, machine, processor,
-                             'with',
-                             libcname+libcversion)
-    elif system == 'Java':
-        # Java platforms
-        r, v, vminfo, (os_name, os_version, os_arch) = java_ver()
-        if terse or not os_name:
-            platform = _platform(system, release, version)
-        else:
-            platform = _platform(system, release, version,
-                                 'on',
-                                 os_name, os_version, os_arch)
-
-    else:
-        # Generic handler
-        if terse:
-            platform = _platform(system, release)
-        else:
-            bits, linkage = architecture(sys.executable)
-            platform = _platform(system, release, machine,
-                                 processor, bits, linkage)
-
-    _platform_cache[(aliased, terse)] = platform
-    return platform
-
-### freedesktop.org os-release standard
-# https://www.freedesktop.org/software/systemd/man/os-release.html
-
-# NAME=value with optional quotes (' or "). The regular expression is less
-# strict than shell lexer, but that's ok.
-_os_release_line = re.compile(
-    "^(?P<name>[a-zA-Z0-9_]+)=(?P<quote>[\"\']?)(?P<value>.*)(?P=quote)$"
-)
-# unescape five special characters mentioned in the standard
-_os_release_unescape = re.compile(r"\\([\\\$\"\'`])")
-# /etc takes precedence over /usr/lib
-_os_release_candidates = ("/etc/os-release", "/usr/lib/os-release")
-_os_release_cache = None
-
-
-def _parse_os_release(lines):
-    # These fields are mandatory fields with well-known defaults
-    # in practice all Linux distributions override NAME, ID, and PRETTY_NAME.
-    info = {
-        "NAME": "Linux",
-        "ID": "linux",
-        "PRETTY_NAME": "Linux",
-    }
-
-    for line in lines:
-        mo = _os_release_line.match(line)
-        if mo is not None:
-            info[mo.group('name')] = _os_release_unescape.sub(
-                r"\1", mo.group('value')
-            )
-
-    return info
-
-
-def freedesktop_os_release():
-    """Return operation system identification from freedesktop.org os-release
-    """
-    global _os_release_cache
-
-    if _os_release_cache is None:
-        errno = None
-        for candidate in _os_release_candidates:
-            try:
-                with open(candidate, encoding="utf-8") as f:
-                    _os_release_cache = _parse_os_release(f)
-                break
-            except OSError as e:
-                errno = e.errno
-        else:
-            raise OSError(
-                errno,
-                f"Unable to read files {', '.join(_os_release_candidates)}"
-            )
-
-    return _os_release_cache.copy()
-
-
-### Command line interface
-
-if __name__ == '__main__':
-    # Default is to print the aliased verbose platform string
-    terse = ('terse' in sys.argv or '--terse' in sys.argv)
-    aliased = (not 'nonaliased' in sys.argv and not '--nonaliased' in sys.argv)
-    print(platform(aliased, terse))
-    sys.exit(0)