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/proc/self/root/opt/alt/python38/lib64/python3.8/

38.135.39.45

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REQUEST EXIT

#! /opt/alt/python38/bin/python3.8 """ 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 . # 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: # # # # 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:mal@lemburg.com Copyright (c) 2000-2010, eGenix.com Software GmbH; mailto:info@egenix.com 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 ### 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 executable is None: 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, 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 == 'IRIX64': # IRIX reports IRIX64 on platforms with 64-bit support; yet it # is really a version and not a different platform, since 32-bit # apps are also supported.. system = 'IRIX' if version: version = version + ' (64bit)' else: version = '64bit' 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_uname(option, default=''): """ Interface to the system's uname command. """ if sys.platform in ('dos', 'win32', 'win16'): # XXX Others too ? return default import subprocess try: output = subprocess.check_output(('uname', option), stderr=subprocess.DEVNULL, text=True) except (OSError, subprocess.CalledProcessError): return default return (output.strip() or default) 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 'N32' in fileout: # On Irix only bits = 'n32bit' 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 ### Portable uname() interface uname_result = collections.namedtuple("uname_result", "system node release version machine processor") _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 no_os_uname = 0 if _uname_cache is not None: return _uname_cache processor = '' # Get some infos from the builtin os.uname API... try: system, node, release, version, machine = os.uname() except AttributeError: no_os_uname = 1 if no_os_uname or not list(filter(None, (system, node, release, version, machine))): # Hmm, no there is either no uname or uname has returned #'unknowns'... we'll have to poke around the system then. if no_os_uname: system = sys.platform release = '' version = '' node = _node() machine = '' use_syscmd_ver = 1 # Try win32_ver() on win32 platforms if system == 'win32': release, version, csd, ptype = win32_ver() if release and version: use_syscmd_ver = 0 # 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 if not machine: # WOW64 processes mask the native architecture if "PROCESSOR_ARCHITEW6432" in os.environ: machine = os.environ.get("PROCESSOR_ARCHITEW6432", '') else: machine = os.environ.get('PROCESSOR_ARCHITECTURE', '') if not processor: processor = os.environ.get('PROCESSOR_IDENTIFIER', machine) # Try the 'ver' system command available on some # platforms if use_syscmd_ver: 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 = '' # Get processor information try: import vms_lib except ImportError: pass else: csid, cpu_number = vms_lib.getsyi('SYI$_CPU', 0) if (cpu_number >= 128): processor = 'Alpha' else: processor = 'VAX' if not processor: # Get processor information from the uname system command processor = _syscmd_uname('-p', '') #If any unknowns still exist, replace them with ''s, which are more portable if system == 'unknown': system = '' if node == 'unknown': node = '' if release == 'unknown': release = '' if version == 'unknown': version = '' if machine == 'unknown': machine = '' if processor == 'unknown': processor = '' # normalize name if system == 'Microsoft' and release == 'Windows': system = 'Windows' release = 'Vista' _uname_cache = uname_result(system, node, release, version, machine, processor) 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" r'\(#?([^,]+)' # "(#buildno" r'(?:,\s*([\w ]*)' # ", builddate" r'(?:,\s*([\w :]*))?)?\)\s*' # ", buildtime)" 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(sys.executable) 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 ### 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)