3 # Copyright (C) 2010-2013 CEA/DEN
5 # This library is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU Lesser General Public
7 # License as published by the Free Software Foundation; either
8 # version 2.1 of the License.
10 # This library is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # Lesser General Public License for more details.
15 # You should have received a copy of the GNU Lesser General Public
16 # License along with this library; if not, write to the Free Software
17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 In this file : all the stuff that can change with the architecture
21 on which SAT is running
24 import os, sys, platform
27 '''method that checks windows OS
31 return platform.system() == 'Windows'
34 '''method that gets the username that launched sat
38 # In windows case, the USERNAME environment variable has to be set
40 if not 'USERNAME' in os.environ:
41 raise Exception('USERNAME environment variable not set')
42 return os.environ['USERNAME']
45 return pwd.getpwuid(os.getuid())[0]
47 def _lsb_release(args):
48 '''Get system information with lsb_release.
50 :param args str: The arguments to give to lsb_release.
51 :return: The distribution.
55 path = '/usr/local/bin:/usr/bin:/bin'
56 lsb_path = os.getenv("LSB_PATH")
57 if lsb_path is not None:
58 path = lsb_path + ":" + path
60 from subprocess import Popen, PIPE
61 res = Popen(['lsb_release', args], env={'PATH': path}, stdout=PIPE).communicate()[0][:-1]
62 # in case of python3, convert byte to str
63 if isinstance(res, bytes):
67 sys.stderr.write(_(u"lsb_release not installed\n"))
68 sys.stderr.write(_(u"You can define $LSB_PATH to give the path to lsb_release\n"))
71 def get_distribution(codes):
72 '''Gets the code for the distribution
74 :param codes L{Mapping}: The map containing distribution correlation table.
75 :return: The distribution on which salomeTools is running, regarding the
76 distribution correlation table contained in codes variable.
83 distrib = _lsb_release('-si')
84 if codes is not None and distrib in codes:
85 distrib = codes[distrib]
87 sys.stderr.write(_(u"Unknown distribution: '%s'\n") % distrib)
88 sys.stderr.write(_(u"Please add your distribution to src/internal_config/distrib.pyconf\n"))
95 from a CentOS example,
96 returns '7.6' from command 'lsb_release -ds'
97 extracted from 'CentOS Linux release 7.6.1810 (Core)'
98 and also for RedHat fedora etc.
104 osys_value = "Unknown"
105 os_dict = {"mandrivalinux":"MD",
107 "RedHatEnterpriseServer":"CO",
108 "RedHatEnterpriseWorkstation":"CO",
113 # lsb_cmd = "lsb_release -ds"
115 output = _lsb_release(args)
116 # print("lsb_release output %s" % output)
117 regexp = r"(^[0-9]+([.]?[0-9]+)+)"
118 for an_item in output.replace('"','').split():
119 if re.match(regexp, an_item) is not None and not version:
120 version = ".".join(an_item.split(".")[:2])
122 for sub_item in os_dict.keys():
123 if sub_item == an_item.lower():
125 osys_value = os_dict[sub_item]
126 if version and osys: break
129 def get_distrib_version(distrib, codes):
130 '''Gets the version of the distribution
132 :param distrib str: The distribution on which the version will be found.
133 :param codes L{Mapping}: The map containing distribution correlation table.
134 :return: The version of the distribution on which salomeTools is running,
135 regarding the distribution correlation table contained in codes
141 return platform.release()
143 # Call to lsb_release
144 version = _lsb_release('-sr')
146 if version in codes[distrib]:
147 version = codes[distrib][version]
150 version=version[0] #for centos, we only care for major version
153 def get_python_version():
154 '''Gets the version of the running python.
156 :return: the version of the running python.
160 # The platform python module gives the answer
161 return platform.python_version()
164 '''Gets the number of processors of the machine
165 on which salomeTools is running.
167 :return: the number of processors.
172 import multiprocessing
173 nb_proc=multiprocessing.cpu_count()
175 nb_proc=int(os.sysconf('SC_NPROCESSORS_ONLN'))