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#!/usr/bin/env python
#
# Examples which makes use of the different python-dmidecode features
# This script should be run as root, or else expect permission warnings
#
# Copyright 2008-2009 Nima Talebi <nima@autonomy.net.au>
# Copyright 2010 David Sommerseth <davids@redhat.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# For the avoidance of doubt the "preferred form" of this code is one which
# is in an open unpatent encumbered format. Where cryptographic key signing
# forms part of the process of creating an executable the information
# including keys needed to generate an equivalently functional executable
# are deemed to be part of the source code.
#
import dmidecode
import sys, os
from pprint import pprint
def print_warnings():
"Simple function, dumping out warnings with a prefix if warnings are found and clearing warning buffer"
warn = dmidecode.get_warnings()
if warn:
print "### WARNING: %s" % warn
dmidecode.clear_warnings()
# Check if running as root .... provide a warning if not
root_user = (os.getuid() == 0 and True or False)
if not root_user:
print "####"
print "#### NOT RUNNING AS ROOT"
print "####"
print "#### The first run must always be done as root for this example to work."
print "#### When not run as root, quite some permission errors might appear"
print "####"
print "#### If this script is first run as root, it should be possible to run this script"
print "#### as an unprivileged user afterwards, with less warnings."
print "####"
print
print
#. Test all functions using /dev/mem... Using the legacy API
if root_user:
print "*** bios ***\n"; dmidecode.bios()
print_warnings()
print "*** system ***\n"; dmidecode.system()
print_warnings()
print "*** system ***\n"; dmidecode.system()
print_warnings()
print "*** baseboard ***\n"; dmidecode.baseboard()
print_warnings()
print "*** chassis ***\n"; dmidecode.chassis()
print_warnings()
print "*** processor ***\n"; dmidecode.processor()
print_warnings()
print "*** memory ***\n"; dmidecode.memory()
print_warnings()
print "*** cache ***\n"; dmidecode.cache()
print_warnings()
print "*** connector ***\n"; dmidecode.connector()
print_warnings()
print "*** slot ***\n"; dmidecode.slot()
print_warnings()
#. Now test get/set of memory device file...
print "*** get_dev()"
print dmidecode.get_dev()
print_warnings()
print "*** set_dev('dmidata.dump')"
print dmidecode.set_dev("dmidata.dump");
print_warnings()
print "*** get_dev()"
print dmidecode.get_dev()
print_warnings()
#. Test taking a dump...
if root_user:
print "*** Dumping DMI data to dump file"
print dmidecode.dump()
print_warnings()
#. Test reading the dump... Using the preferred API
print "*** bios ***\n"; pprint(dmidecode.QuerySection('bios'))
print_warnings()
print "*** system ***\n"; pprint(dmidecode.QuerySection('system'))
print_warnings()
print "*** system ***\n"; pprint(dmidecode.QuerySection('system'))
print_warnings()
print "*** baseboard ***\n"; pprint(dmidecode.QuerySection('baseboard'))
print_warnings()
print "*** chassis ***\n"; pprint(dmidecode.QuerySection('chassis'))
print_warnings()
print "*** processor ***\n"; pprint(dmidecode.QuerySection('processor'))
print_warnings()
print "*** memory ***\n"; pprint(dmidecode.QuerySection('memory'))
print_warnings()
print "*** cache ***\n"; pprint(dmidecode.QuerySection('cache'))
print_warnings()
print "*** connector ***\n"; pprint(dmidecode.QuerySection('connector'))
print_warnings()
print "*** slot ***\n"; pprint(dmidecode.QuerySection('slot'))
print_warnings()
print "*** Extracting memory information"
for v in dmidecode.memory().values():
if type(v) == dict and v['dmi_type'] == 17:
pprint(v['data']['Size']),
print "*** Querying for DMI type 3 and 7"
pprint(dmidecode.type(3)) # <-- Legacy API
pprint(dmidecode.QueryTypeId(7)) # <-- preferred API
print_warnings()
print "*** Querying for the BIOS section"
pprint(dmidecode.QuerySection('bios'))
print_warnings()
#
# Test XML stuff
#
print
print
print
print "---------------------------------------"
print "*** *** *** Testing XML API *** *** ***"
print "---------------------------------------"
print
print
dmixml = dmidecode.dmidecodeXML()
# Fetch all DMI data into a libxml2.xmlDoc object
print "*** Getting all DMI data into a XML document variable"
dmixml.SetResultType(dmidecode.DMIXML_DOC) # Valid values: dmidecode.DMIXML_DOC, dmidecode.DMIXML_NODE
xmldoc = dmixml.QuerySection('all')
# Dump the XML to dmidump.xml - formated in UTF-8 decoding
print "*** Dumping XML document to dmidump.xml"
xmldoc.saveFormatFileEnc('dmidump.xml','UTF-8',1)
# Do some XPath queries on the XML document
print "*** Doing some XPath queries against the XML document"
dmixp = xmldoc.xpathNewContext()
# What to look for - XPath expressions
keys = ['/dmidecode/SystemInfo/Manufacturer',
'/dmidecode/SystemInfo/ProductName',
'/dmidecode/SystemInfo/SerialNumber',
'/dmidecode/SystemInfo/SystemUUID']
# Extract data and print it
for k in keys:
data = dmixp.xpathEval(k)
for d in data:
print "%s: %s" % (k, d.get_content())
del dmixp
del xmldoc
# Query for only a particular DMI TypeID - 0x04 - Processor
print "*** Quering for Type ID 0x04 - Processor - dumping XML document to stdout"
dmixml.QueryTypeId(0x04).saveFormatFileEnc('-','UTF-8',1)
print_warnings()
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