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-rwxr-xr-xLib/platform.py77
1 files changed, 48 insertions, 29 deletions
diff --git a/Lib/platform.py b/Lib/platform.py
index 780301d..de81b63 100755
--- a/Lib/platform.py
+++ b/Lib/platform.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
""" This module tries to retrieve as much platform-identifying data as
possible. It makes this information available via function APIs.
@@ -32,6 +32,7 @@
#
# <see CVS and SVN checkin messages for history>
#
+# 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
@@ -108,10 +109,25 @@ __copyright__ = """
"""
-__version__ = '1.0.6'
+__version__ = '1.0.7'
import sys, os, re
+### Globals & Constants
+
+# Determine the platform's /dev/null device
+try:
+ DEV_NULL = os.devnull
+except AttributeError:
+ # os.devnull was added in Python 2.4, so emulate it for earlier
+ # Python versions
+ if sys.platform in ('dos','win32','win16','os2'):
+ # Use the old CP/M NUL as device name
+ DEV_NULL = 'NUL'
+ else:
+ # Standard Unix uses /dev/null
+ DEV_NULL = '/dev/null'
+
### Platform specific APIs
_libc_search = re.compile(r'(__libc_init)'
@@ -184,9 +200,8 @@ def _dist_try_harder(distname,version,id):
"""
if os.path.exists('/var/adm/inst-log/info'):
# SuSE Linux stores distribution information in that file
- info = open('/var/adm/inst-log/info').readlines()
distname = 'SuSE'
- for line in info:
+ for line in open('/var/adm/inst-log/info'):
tv = line.split()
if len(tv) == 2:
tag,value = tv
@@ -201,8 +216,7 @@ def _dist_try_harder(distname,version,id):
if os.path.exists('/etc/.installed'):
# Caldera OpenLinux has some infos in that file (thanks to Colin Kong)
- info = open('/etc/.installed').readlines()
- for line in info:
+ for line in open('/etc/.installed'):
pkg = line.split('-')
if len(pkg) >= 2 and pkg[0] == 'OpenLinux':
# XXX does Caldera support non Intel platforms ? If yes,
@@ -311,9 +325,8 @@ def linux_distribution(distname='', version='', id='',
return _dist_try_harder(distname,version,id)
# Read the first line
- f = open('/etc/'+file, 'r')
- firstline = f.readline()
- f.close()
+ with open('/etc/'+file, 'r') as f:
+ firstline = f.readline()
_distname, _version, _id = _parse_release_file(firstline)
if _distname and full_distribution_name:
@@ -450,7 +463,16 @@ def _norm_version(version, build=''):
_ver_output = re.compile(r'(?:([\w ]+) ([\w.]+) '
'.*'
- 'Version ([\d.]+))', re.ASCII)
+ '\[.* ([\d.]+)\])')
+
+# 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='',
@@ -589,6 +611,7 @@ def win32_ver(release='',version='',csd='',ptype=''):
else:
if csd[:13] == 'Service Pack ':
csd = 'SP' + csd[13:]
+
if plat == VER_PLATFORM_WIN32_WINDOWS:
regkey = 'SOFTWARE\\Microsoft\\Windows\\CurrentVersion'
# Try to guess the release name
@@ -603,6 +626,7 @@ def win32_ver(release='',version='',csd='',ptype=''):
release = 'postMe'
elif maj == 5:
release = '2000'
+
elif plat == VER_PLATFORM_WIN32_NT:
regkey = 'SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion'
if maj <= 4:
@@ -646,6 +670,7 @@ def win32_ver(release='',version='',csd='',ptype=''):
release = '2008ServerR2'
else:
release = 'post2008Server'
+
else:
if not release:
# E.g. Win3.1 with win32s
@@ -947,7 +972,7 @@ def _syscmd_uname(option,default=''):
# XXX Others too ?
return default
try:
- f = os.popen('uname %s 2> /dev/null' % option)
+ f = os.popen('uname %s 2> %s' % (option, DEV_NULL))
except (AttributeError,os.error):
return default
output = f.read().strip()
@@ -962,17 +987,16 @@ 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
- ommit the filename in its output and if possible the -L option
- to have the command follow symlinks. It returns default in
- case the command should fail.
+ 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','os2'):
# XXX Others too ?
return default
- target = _follow_symlinks(target)
+ target = _follow_symlinks(target).replace('"', '\\"')
try:
- f = os.popen('file "%s" 2> /dev/null' % target)
+ f = os.popen('file -b "%s" 2> %s' % (target, DEV_NULL))
except (AttributeError,os.error):
return default
output = f.read().strip()
@@ -992,8 +1016,6 @@ _default_architecture = {
'dos': ('','MSDOS'),
}
-_architecture_split = re.compile(r'[\s,]').split
-
def architecture(executable=sys.executable,bits='',linkage=''):
""" Queries the given executable (defaults to the Python interpreter
@@ -1028,11 +1050,11 @@ def architecture(executable=sys.executable,bits='',linkage=''):
# Get data from the 'file' system command
if executable:
- output = _syscmd_file(executable, '')
+ fileout = _syscmd_file(executable, '')
else:
- output = ''
+ fileout = ''
- if not output and \
+ if not fileout and \
executable == sys.executable:
# "file" command did not return anything; we'll try to provide
# some sensible defaults then...
@@ -1044,9 +1066,6 @@ def architecture(executable=sys.executable,bits='',linkage=''):
linkage = l
return bits,linkage
- # Split the output into a list of strings omitting the filename
- fileout = _architecture_split(output)[1:]
-
if 'executable' not in fileout:
# Format not supported
return bits,linkage
@@ -1131,7 +1150,11 @@ def uname():
# http://support.microsoft.com/kb/888731 and
# http://www.geocities.com/rick_lively/MANUALS/ENV/MSWIN/PROCESSI.HTM
if not machine:
- machine = os.environ.get('PROCESSOR_ARCHITECTURE', '')
+ # 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)
@@ -1171,10 +1194,6 @@ def uname():
if not version:
version = vendor
- elif os.name == 'mac':
- release,(version,stage,nonrel),machine = mac_ver()
- system = 'MacOS'
-
# System specific extensions
if system == 'OpenVMS':
# OpenVMS seems to have release and version mixed up