Exemple #1
0
 def get_windows_sp(self):
     windows_sp = registry.get_value(
             'HKEY_LOCAL_MACHINE',
             'SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion',
             'CSDVersion')
     log.debug('windows_sp=%s' % windows_sp)
     return windows_sp
Exemple #2
0
 def get_windows_version2(self):
     windows_version2 = registry.get_value(
             'HKEY_LOCAL_MACHINE',
             'SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion',
             'ProductName')
     log.debug('windows_version2=%s' % windows_version2)
     return windows_version2
Exemple #3
0
 def get_windows_version2(self):
     windows_version2 = registry.get_value(
             'HKEY_LOCAL_MACHINE',
             'SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion',
             'ProductName')
     log.debug('windows_version2=%s' % windows_version2)
     return windows_version2
Exemple #4
0
 def undo_bcd(self, associated_task):
     bcdedit = join_path(os.getenv('SystemDrive'), 'bcdedit.exe')
     if not isfile(bcdedit):
         bcdedit = join_path(os.getenv('SystemRoot'), 'sysnative', 'bcdedit.exe')
     if not os.path.isfile(bcdedit):
         bcdedit = join_path(os.environ['systemroot'], 'System32', 'bcdedit.exe')
     if not os.path.isfile(bcdedit):
         log.error("Cannot find bcdedit")
         return
     id = registry.get_value(
         'HKEY_LOCAL_MACHINE',
         self.info.registry_key,
         'VistaBootDrive')
     if not id:
         log.debug("Could not find bcd id")
         return
     log.debug("Removing bcd entry %s" % id)
     command = [bcdedit, '/delete', id , '/f']
     try:
         run_command(command)
         registry.set_value(
             'HKEY_LOCAL_MACHINE',
             self.info.registry_key,
             'VistaBootDrive',
             "")
     except Exception, err: #this shouldn't be fatal
         log.error(err)
Exemple #5
0
 def get_windows_build(self):
     windows_build  = registry.get_value(
             'HKEY_LOCAL_MACHINE',
             'SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion',
             'CurrentBuildNumber')
     log.debug('windows_build=%s' % windows_build)
     return windows_build
Exemple #6
0
 def get_windows_build(self):
     windows_build = registry.get_value(
         'HKEY_LOCAL_MACHINE',
         'SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion',
         'CurrentBuildNumber')
     log.debug('windows_build=%s' % windows_build)
     return windows_build
Exemple #7
0
 def get_processor_name(self):
     processor_name = registry.get_value(
         'HKEY_LOCAL_MACHINE',
         'HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0',
         'ProcessorNameString')
     log.debug('processor_name=%s' % processor_name)
     return processor_name
Exemple #8
0
 def get_country(self):
     icountry = registry.get_value('HKEY_CURRENT_USER', 'Control Panel\\International', 'iCountry')
     try:
             icountry = int(icountry)
     except:
             pass
     country = mappings.icountry2country.get(icountry)
     if not country:
         scountry = registry.get_value('HKEY_CURRENT_USER', 'Control Panel\\International', 'sCountry')
         country = name2country.get(scountry)
     if not country:
        country = gmt2country.get(self.info.gmt)
     if not country:
         country = "US"
     log.debug('country=%s' %country)
     return country
Exemple #9
0
 def get_country(self):
     icountry = registry.get_value('HKEY_CURRENT_USER', 'Control Panel\\International', 'iCountry')
     try:
             icountry = int(icountry)
     except:
             pass
     country = mappings.icountry2country.get(icountry)
     if not country:
         scountry = registry.get_value('HKEY_CURRENT_USER', 'Control Panel\\International', 'sCountry')
         country = name2country.get(scountry)
     if not country:
        country = gmt2country.get(self.info.gmt)
     if not country:
         country = "US"
     log.debug('country=%s' %country)
     return country
Exemple #10
0
 def undo_bcd(self, associated_task):
     bcdedit = join_path(os.getenv('SystemDrive'), 'bcdedit.exe')
     if not isfile(bcdedit):
         bcdedit = join_path(os.getenv('SystemRoot'), 'sysnative', 'bcdedit.exe')
     if not os.path.isfile(bcdedit):
         bcdedit = join_path(os.environ['systemroot'], 'System32', 'bcdedit.exe')
     if not os.path.isfile(bcdedit):
         log.error("Cannot find bcdedit")
         return
     id = registry.get_value(
         'HKEY_LOCAL_MACHINE',
         self.info.registry_key,
         'VistaBootDrive')
     if not id:
         log.debug("Could not find bcd id")
         return
     log.debug("Removing bcd entry %s" % id)
     command = [bcdedit, '/delete', id , '/f']
     try:
         run_command(command)
         registry.set_value(
             'HKEY_LOCAL_MACHINE',
             self.info.registry_key,
             'VistaBootDrive',
             "")
     except Exception, err: #this shouldn't be fatal
         log.error(err)
Exemple #11
0
 def get_windows_sp(self):
     windows_sp = registry.get_value(
             'HKEY_LOCAL_MACHINE',
             'SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion',
             'CSDVersion')
     log.debug('windows_sp=%s' % windows_sp)
     return windows_sp
Exemple #12
0
 def get_processor_name(self):
     processor_name = registry.get_value(
         'HKEY_LOCAL_MACHINE',
         'HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0',
         'ProcessorNameString')
     log.debug('processor_name=%s' %processor_name)
     return processor_name
Exemple #13
0
 def get_startup_folder(self):
     startup_folder = registry.get_value(
         'HKEY_LOCAL_MACHINE',
         'SOFTWARE\\Microsoft\\Windows\\CurrentVersion'
         '\\Explorer\\Shell Folders', 'Common Startup')
     log.debug('startup_folder=%s' % startup_folder)
     return startup_folder
Exemple #14
0
 def get_startup_folder(self):
     startup_folder = registry.get_value(
             'HKEY_LOCAL_MACHINE',
             'SOFTWARE\\Microsoft\\Windows\\CurrentVersion'
             '\\Explorer\\Shell Folders',
             'Common Startup')
     log.debug('startup_folder=%s' % startup_folder)
     return startup_folder
Exemple #15
0
 def get_previous_target_dir(self):
     '''
     previous_target_dir = []
     previous_target_dir.append(registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key[0], 'InstallationDir'))
     previous_target_dir.append(registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key[1], 'InstallationDir'))
     '''
     previous_target_dir = registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key, 'InstallationDir')
     log.debug("previous_target_dir=%s" % previous_target_dir)
     return previous_target_dir
Exemple #16
0
 def get_uninstaller_path(self):
     '''
     uninstaller_path = []
     uninstaller_path.append(registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key[0], 'UninstallString'))
     uninstaller_path.append(registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key[1], 'UninstallString'))
     '''
     uninstaller_path = registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key, 'UninstallString')
     log.debug('uninstaller_path=%s' % uninstaller_path)
     return uninstaller_path
Exemple #17
0
 def get_previous_distro_name(self):
     '''
     previous_distro_name = []
     previous_distro_name.append(registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key[0], 'DisplayName'))
     previous_distro_name.append(registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key[1], 'DisplayName'))
     '''
     previous_distro_name = registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key, 'DisplayName')
     log.debug("previous_distro_name=%s" % previous_distro_name)
     return previous_distro_name
Exemple #18
0
 def get_gmt(self):
     gmt = registry.get_value('HKEY_LOCAL_MACHINE', 'SYSTEM\\CurrentControlSet\\Control\\TimeZoneInformation', 'Bias')
     if gmt:
         gmt = -gmt/60
     if not gmt \
     or gmt > 12 \
     or gmt < -12:
         gmt = 0
     log.debug('gmt=%s' %gmt)
     return gmt
Exemple #19
0
 def get_gmt(self):
     gmt = registry.get_value('HKEY_LOCAL_MACHINE', 'SYSTEM\\CurrentControlSet\\Control\\TimeZoneInformation', 'Bias')
     if gmt:
         gmt = -gmt/60
     if not gmt \
     or gmt > 12 \
     or gmt < -12:
         gmt = 0
     log.debug('gmt=%s' %gmt)
     return gmt
Exemple #20
0
    def modify_bcd(self, drive, associated_task):
        log.debug("modify_bcd %s" % drive)
        if drive is self.info.system_drive \
        or drive.path == "C:" \
        or drive.path == os.getenv('SystemDrive').upper() \
        or drive.path == self.info.target_drive.path:
            src = join_path(self.info.root_dir, 'winboot', 'wubildr')
            dest = join_path(drive.path, 'wubildr')
            shutil.copyfile(src, dest)
            src = join_path(self.info.root_dir, 'winboot', 'wubildr.mbr')
            dest = join_path(drive.path, 'wubildr.mbr')
            shutil.copyfile(src, dest)
        bcdedit = join_path(os.getenv('SystemDrive'), 'bcdedit.exe')
        if not os.path.isfile(bcdedit):
            bcdedit = join_path(os.environ['systemroot'], 'sysnative',
                                'bcdedit.exe')
        # FIXME: Just test for bcdedit in the PATH.  What's the Windows
        # equivalent of `type`?
        if not os.path.isfile(bcdedit):
            bcdedit = join_path(os.environ['systemroot'], 'System32',
                                'bcdedit.exe')
        if not os.path.isfile(bcdedit):
            log.error("Cannot find bcdedit")
            return
        if registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key,
                              'VistaBootDrive'):
            log.debug("BCD has already been modified")
            return

        if self.info.efi:
            log.debug("EFI boot")
            efi_path = self.modify_EFI_folder(associated_task, bcdedit)
            try:
                run_command(['powercfg', '/h', 'off'])
            except Exception, err:  #this shouldn't be fatal
                log.error(err)
            command = [
                bcdedit, '/copy', '{bootmgr}', '/d',
                '%s' % self.info.distro.name
            ]
            id = run_command(command)
            id = id[id.index('{'):id.index('}') + 1]
            run_command([bcdedit, '/set', id, 'path', efi_path])
            try:
                run_command([
                    bcdedit, '/set', '{fwbootmgr}', 'displayorder', id,
                    '/addlast'
                ])
                run_command([bcdedit, '/set', '{fwbootmgr}', 'timeout', '10'])
                run_command(
                    [bcdedit, '/set', '{fwbootmgr}', 'bootsequence', id])
            except Exception, err:  #this shouldn't be fatal
                log.error(err)
Exemple #21
0
    def modify_bcd(self, drive, associated_task):
        log.debug("modify_bcd %s" % drive)
        if drive is self.info.system_drive \
        or drive.path == "C:" \
        or drive.path == os.getenv('SystemDrive').upper():
            src = join_path(self.info.root_dir, 'winboot', 'wisildr')
            dest = join_path(drive.path, 'wisildr')
            shutil.copyfile(src, dest)
            src = join_path(self.info.root_dir, 'winboot', 'wisildr.mbr')
            dest = join_path(drive.path, 'wisildr.mbr')
            shutil.copyfile(src, dest)
        bcdedit = join_path(os.getenv('SystemDrive'), 'bcdedit.exe')
        if not os.path.isfile(bcdedit):
            bcdedit = join_path(os.environ['systemroot'], 'sysnative',
                                'bcdedit.exe')
        # FIXME: Just test for bcdedit in the PATH.  What's the Windows
        # equivalent of `type`?
        if not os.path.isfile(bcdedit):
            bcdedit = join_path(os.environ['systemroot'], 'System32',
                                'bcdedit.exe')
        if not os.path.isfile(bcdedit):
            log.error("Cannot find bcdedit")
            return
        if registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key,
                              'VistaBootDrive'):
            log.debug("BCD has already been modified")
            return

        command = [
            bcdedit, '/create', '/d',
            '%s' % self.info.distro.name, '/application', 'bootsector'
        ]
        id = run_command(command)
        id = id[id.index('{'):id.index('}') + 1]
        mbr_path = join_path(self.info.target_dir, 'winboot',
                             'wisildr.mbr')[2:]
        run_command([
            bcdedit, '/set', id, 'device',
            'partition=%s' % self.info.target_drive.path
        ])
        run_command([bcdedit, '/set', id, 'path', mbr_path])
        run_command([bcdedit, '/displayorder', id, '/addlast'])
        run_command([bcdedit, '/timeout', '10'])
        run_command([bcdedit, '/bootsequence', id])
        registry.set_value('HKEY_LOCAL_MACHINE', self.info.registry_key,
                           'VistaBootDrive', id)
Exemple #22
0
    def modify_bcd(self, drive, associated_task):
        log.debug("modify_bcd %s" % drive)
        if drive is self.info.system_drive \
        or drive.path == "C:" \
        or drive.path == os.getenv('SystemDrive').upper():
            src = join_path(self.info.root_dir, 'winboot', 'wubildr')
            dest = join_path(drive.path, 'wubildr')
            shutil.copyfile(src,  dest)
            src = join_path(self.info.root_dir, 'winboot', 'wubildr.mbr')
            dest = join_path(drive.path, 'wubildr.mbr')
            shutil.copyfile(src,  dest)
        bcdedit = join_path(os.getenv('SystemDrive'), 'bcdedit.exe')
        if not os.path.isfile(bcdedit):
            bcdedit = join_path(os.environ['systemroot'], 'sysnative', 'bcdedit.exe')
        # FIXME: Just test for bcdedit in the PATH.  What's the Windows
        # equivalent of `type`?
        if not os.path.isfile(bcdedit):
            bcdedit = join_path(os.environ['systemroot'], 'System32', 'bcdedit.exe')
        if not os.path.isfile(bcdedit):
            log.error("Cannot find bcdedit")
            return
        if registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key, 'VistaBootDrive'):
            log.debug("BCD has already been modified")
            return

        if self.info.efi:
            log.debug("EFI boot")
            efi_path = self.modify_EFI_folder(associated_task,bcdedit)
            run_command(['powercfg', '/h', 'off'])
            command = [bcdedit, '/copy', '{bootmgr}', '/d', '%s' % self.info.distro.name]
            id = run_command(command)
            id = id[id.index('{'):id.index('}')+1]
            run_command([bcdedit, '/set', id, 'path', efi_path])
            try:
                run_command([bcdedit, '/set', '{fwbootmgr}', 'displayorder', id, '/addlast'])
                run_command([bcdedit, '/set', '{fwbootmgr}', 'timeout', '10'])
                run_command([bcdedit, '/set', '{fwbootmgr}', 'bootsequence', id])
            except Exception, err: #this shouldn't be fatal
                log.error(err)
            registry.set_value(
                'HKEY_LOCAL_MACHINE',
                self.info.registry_key,
                'VistaBootDrive',
                id)
            return
Exemple #23
0
    def modify_bcd(self, drive, associated_task):
        log.debug("modify_bcd %s" % drive)
        if drive is self.info.system_drive \
        or drive.path == "C:" \
        or drive.path == os.getenv('SystemDrive').upper():
            src = join_path(self.info.root_dir, 'winboot', 'wubildr')
            dest = join_path(drive.path, 'wubildr')
            shutil.copyfile(src,  dest)
            src = join_path(self.info.root_dir, 'winboot', 'wubildr.mbr')
            dest = join_path(drive.path, 'wubildr.mbr')
            shutil.copyfile(src,  dest)
        bcdedit = join_path(os.getenv('SystemDrive'), 'bcdedit.exe')
        if not os.path.isfile(bcdedit):
            bcdedit = join_path(os.environ['systemroot'], 'sysnative', 'bcdedit.exe')
        # FIXME: Just test for bcdedit in the PATH.  What's the Windows
        # equivalent of `type`?
        if not os.path.isfile(bcdedit):
            bcdedit = join_path(os.environ['systemroot'], 'System32', 'bcdedit.exe')
        if not os.path.isfile(bcdedit):
            log.error("Cannot find bcdedit")
            return
        if registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key, 'VistaBootDrive'):
            log.debug("BCD has already been modified")
            return

        command = [bcdedit, '/create', '/d', '%s' % self.info.distro.name, '/application', 'bootsector']
        id = run_command(command)
        id = id[id.index('{'):id.index('}')+1]
        mbr_path = join_path(self.info.target_dir, 'winboot', 'wubildr.mbr')[2:]
        run_command([bcdedit, '/set', id, 'device', 'partition=%s' % self.info.target_drive.path])
        run_command([bcdedit, '/set', id, 'path', mbr_path])
        run_command([bcdedit, '/displayorder', id, '/addlast'])
        run_command([bcdedit, '/timeout', '10'])
        run_command([bcdedit, '/bootsequence', id])
        registry.set_value(
            'HKEY_LOCAL_MACHINE',
            self.info.registry_key,
            'VistaBootDrive',
            id)
Exemple #24
0
 def get_uninstaller_path(self):
     uninstaller_path = registry.get_value('HKEY_LOCAL_MACHINE',
                                           self.info.registry_key,
                                           'UninstallString')
     log.debug('uninstaller_path=%s' % uninstaller_path)
     return uninstaller_path
Exemple #25
0
 def get_previous_target_dir(self):
     previous_target_dir = registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key, 'InstallationDir')
     log.debug("previous_target_dir=%s" % previous_target_dir)
     return previous_target_dir
Exemple #26
0
 def get_previous_distro_name(self):
     previous_distro_name = registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key, 'DisplayName')
     log.debug("previous_distro_name=%s" % previous_distro_name)
     return previous_distro_name
Exemple #27
0
 def get_uninstaller_path(self):
     uninstaller_path = registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key, 'UninstallString')
     log.debug('uninstaller_path=%s' % uninstaller_path)
     return uninstaller_path
Exemple #28
0
    def modify_bcd(self, drive, associated_task):
        log.debug("modify_bcd %s" % drive)
        if drive is self.info.system_drive or drive.path == "C:" or drive.path == os.getenv('SystemDrive').upper():
            if self.info.run_task == "cd_boot":
                src = join_path(self.info.root_dir, 'winboot', 'yldrd')
            elif self.info.flag:
                src = join_path(self.info.root_dir, 'winboot', 'yldr')
            else:
                src = join_path(self.info.root_dir, 'winboot', 'yldrd')

            if self.info.run_task == "cd_boot":
                dest = join_path(drive.path, 'yldrd')
            elif self.info.flag:
                dest = join_path(drive.path, 'yldr')
            else:
                dest = join_path(drive.path, 'yldrd')
            shutil.copyfile(src,  dest)
            run_command(['attrib', '+R', '+S', '+H', dest])

            if self.info.run_task == "cd_boot":
                src = join_path(self.info.root_dir, 'winboot', 'yldrd.mbr')
            elif self.info.flag:
                src = join_path(self.info.root_dir, 'winboot', 'yldr.mbr')
            else:
                src = join_path(self.info.root_dir, 'winboot', 'yldrd.mbr')

            if self.info.run_task == "cd_boot":
                dest = join_path(drive.path, 'yldrd.mbr')
            elif self.info.flag:
                dest = join_path(drive.path, 'yldr.mbr')
            else:
                dest = join_path(drive.path, 'yldrd.mbr')
            shutil.copyfile(src,  dest)
            run_command(['attrib', '+R', '+S', '+H', dest])

        if self.info.run_task == "cd_boot":
            mbr_path = join_path(self.info.target_dir, 'winboot', 'yldrd.mbr')[2:]
        elif self.info.flag:
            mbr_path = join_path(self.info.target_dir, 'winboot', 'yldr.mbr')[2:]
        else:
            mbr_path = join_path(self.info.target_dir, 'winboot', 'yldrd.mbr')[2:]

        bcdedit = join_path(os.getenv('SystemDrive'), 'bcdedit.exe')
        if not os.path.isfile(bcdedit):
            bcdedit = join_path(os.environ['systemroot'], 'System32', 'bcdedit.exe')
        if not os.path.isfile(bcdedit):
            bcdedit = join_path(os.environ['systemroot'], 'sysnative', 'bcdedit.exe')
        if not os.path.isfile(bcdedit):
            log.error("Cannot find bcdedit")
            return
        if registry.get_value('HKEY_LOCAL_MACHINE', self.info.registry_key, 'VistaBootDrive'):
            log.debug("BCD has already been modified")
            return
        if self.info.run_task == "cd_boot":
            command = [bcdedit, '/create', '/d', '%s LiveCD' % self.info.distro.name, '/application', 'bootsector']
        elif self.info.flag:
            command = [bcdedit, '/create', '/d', '%s' % self.info.distro.name, '/application', 'bootsector']
        else:
            command = [bcdedit, '/create', '/d', '%s LiveCD' % self.info.distro.name, '/application', 'bootsector']
        log.debug("run command %s" %command)
        id = run_command(command)
        id = id[id.index('{'):id.index('}')+1]
        #mbr_path = self.info.flag and join_path(self.info.target_dir, 'winboot', 'yldr.mbr')[2:] or join_path(self.info.target_dir, 'winboot', 'yldrd.mbr')[2:]
        ##print mbr_path
        run_command([bcdedit, '/set', id, 'device', 'partition=%s' % self.info.target_drive.path])
        run_command([bcdedit, '/set', id, 'path', mbr_path])
        run_command([bcdedit, '/displayorder', id, '/addlast'])
        run_command([bcdedit, '/timeout', '10'])
        registry.set_value(
            'HKEY_LOCAL_MACHINE',
            self.info.registry_key,
            'VistaBootDrive',
            id)
Exemple #29
0
with hide('output', 'running', 'warnings'):
    PYTHON = local(
        f'{PY_LAUNCHER} -c "import sys; import os; print(os.path.dirname(sys.executable))"',
        capture=True)
TCL_PATH = os.path.join(PYTHON, 'tcl')
INNO_SETUP_DOWNLOAD = r'https://s3.amazonaws.com/ncr-colibri/install/innosetup6-unicode.exe'
INNO_REG_PATH5 = u'HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Inno Setup 5_is1'
INNO_REG_PATH6 = u'HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\Inno Setup 6_is1'
INNO_REG_KEY = u'InstallLocation'
COLIBRI_REG_PATH = u'HKEY_LOCAL_MACHINE\\Software\\NCR\\Brasil'
COLIBRI_REG_KEY = u'NCRSolution'
DEP_CACHE_DIR = '_cache'
DEP_DEST_DIR = r'{}\Lib\site-packages'.format(WORKON_HOME)
CHUNK_SIZE = 1024
try:
    CAMINHO_INNO = get_value(INNO_REG_PATH6, INNO_REG_KEY, KEY_READ)
except:
    try:
        CAMINHO_INNO = get_value(INNO_REG_PATH5, INNO_REG_KEY, KEY_READ)
    except:
        CAMINHO_INNO = None


class FakeColibriModule(ModuleType):
    def __init__(self):
        super().__init__('colibri')

    @staticmethod
    def callback(um_plugin, um_evento, um_contexto):
        pass
Exemple #30
0
 def get_previous_target_dir(self):
     previous_target_dir = registry.get_value('HKEY_LOCAL_MACHINE',
                                              self.info.registry_key,
                                              'InstallationDir')
     log.debug("previous_target_dir=%s" % previous_target_dir)
     return previous_target_dir
Exemple #31
0
 def get_previous_distro_name(self):
     previous_distro_name = registry.get_value('HKEY_LOCAL_MACHINE',
                                               self.info.registry_key,
                                               'DisplayName')
     log.debug("previous_distro_name=%s" % previous_distro_name)
     return previous_distro_name