Python _winreg.OpenKeyEx() Examples

The following are 30 code examples of _winreg.OpenKeyEx(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module _winreg , or try the search function .
Example #1
Source File: test_winsound.py    From CTFCrackTools with GNU General Public License v3.0 6 votes vote down vote up 
def has_sound(sound):
    """Find out if a particular event is configured with a default sound"""
    try:
        # Ask the mixer API for the number of devices it knows about.
        # When there are no devices, PlaySound will fail.
        if ctypes.windll.winmm.mixerGetNumDevs() is 0:
            return False

        key = _winreg.OpenKeyEx(_winreg.HKEY_CURRENT_USER,
                "AppEvents\Schemes\Apps\.Default\{0}\.Default".format(sound))
        value = _winreg.EnumValue(key, 0)[1]
        if value is not u"":
            return True
        else:
            return False
    except WindowsError:
        return False
Example #2
Source File: test_winsound.py    From CTFCrackTools-V2 with GNU General Public License v3.0 6 votes vote down vote up 
def has_sound(sound):
    """Find out if a particular event is configured with a default sound"""
    try:
        # Ask the mixer API for the number of devices it knows about.
        # When there are no devices, PlaySound will fail.
        if ctypes.windll.winmm.mixerGetNumDevs() is 0:
            return False

        key = _winreg.OpenKeyEx(_winreg.HKEY_CURRENT_USER,
                "AppEvents\Schemes\Apps\.Default\{0}\.Default".format(sound))
        value = _winreg.EnumValue(key, 0)[1]
        if value is not u"":
            return True
        else:
            return False
    except WindowsError:
        return False
Example #3
Source File: test_winsound.py    From BinderFilter with MIT License 6 votes vote down vote up 
def has_sound(sound):
    """Find out if a particular event is configured with a default sound"""
    try:
        # Ask the mixer API for the number of devices it knows about.
        # When there are no devices, PlaySound will fail.
        if ctypes.windll.winmm.mixerGetNumDevs() is 0:
            return False

        key = _winreg.OpenKeyEx(_winreg.HKEY_CURRENT_USER,
                "AppEvents\Schemes\Apps\.Default\{0}\.Default".format(sound))
        value = _winreg.EnumValue(key, 0)[1]
        if value is not u"":
            return True
        else:
            return False
    except WindowsError:
        return False
Example #4
Source File: test_winsound.py    From oss-ftp with MIT License 6 votes vote down vote up 
def has_sound(sound):
    """Find out if a particular event is configured with a default sound"""
    try:
        # Ask the mixer API for the number of devices it knows about.
        # When there are no devices, PlaySound will fail.
        if ctypes.windll.winmm.mixerGetNumDevs() is 0:
            return False

        key = _winreg.OpenKeyEx(_winreg.HKEY_CURRENT_USER,
                "AppEvents\Schemes\Apps\.Default\{0}\.Default".format(sound))
        value = _winreg.EnumValue(key, 0)[1]
        if value is not u"":
            return True
        else:
            return False
    except WindowsError:
        return False
Example #5
Source File: _registry.py    From pythonfinder with MIT License 6 votes vote down vote up 
def get_all_values(self):
        schema = {}
        for subkey in self:
            schema[subkey.name] = subkey.get_all_values()

        key = winreg.OpenKeyEx(self._root, self.subkey, 0, winreg.KEY_READ | self._flags)
        try:
            with key:
                for i in count():
                    vname, value, vtype = winreg.EnumValue(key, i)
                    value = get_value_from_tuple(value, vtype)
                    if value:
                        schema[vname or ''] = value
        except OSError:
            pass

        return PythonWrappedDict(schema)
Example #6
Source File: test_winsound.py    From gcblue with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def has_sound(sound):
    """Find out if a particular event is configured with a default sound"""
    try:
        # Ask the mixer API for the number of devices it knows about.
        # When there are no devices, PlaySound will fail.
        if ctypes.windll.winmm.mixerGetNumDevs() is 0:
            return False

        key = _winreg.OpenKeyEx(_winreg.HKEY_CURRENT_USER,
                "AppEvents\Schemes\Apps\.Default\{0}\.Default".format(sound))
        value = _winreg.EnumValue(key, 0)[1]
        if value is not u"":
            return True
        else:
            return False
    except WindowsError:
        return False
Example #7
Source File: _registry.py    From pipenv with MIT License 6 votes vote down vote up 
def get_all_values(self):
        schema = {}
        for subkey in self:
            schema[subkey.name] = subkey.get_all_values()

        key = winreg.OpenKeyEx(self._root, self.subkey, 0, winreg.KEY_READ | self._flags)
        try:
            with key:
                for i in count():
                    vname, value, vtype = winreg.EnumValue(key, i)
                    value = get_value_from_tuple(value, vtype)
                    if value:
                        schema[vname or ''] = value
        except OSError:
            pass

        return PythonWrappedDict(schema)
Example #8
Source File: overview_win.py    From marsnake with GNU General Public License v3.0 5 votes vote down vote up 
def get_cpu_info():
    reg = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, "HARDWARE\\DESCRIPTION\\System\\CentralProcessor")
    flag = True
    model_name = ""
    num = _winreg.QueryInfoKey(reg)[0]
    reg2 = _winreg.OpenKeyEx(reg, _winreg.EnumKey(reg, 0))
    model_name = _winreg.QueryValueEx(reg2, 'ProcessorNameString')[0]

    return "{} *{}".format(model_name, num)
Example #9
Source File: runtime.py    From BitTorrent with GNU General Public License v3.0 5 votes vote down vote up 
def isWinNT(self):
        """Are we running in Windows NT?"""
        if self.getType() == 'win32':
            import _winreg
            try:
                k=_winreg.OpenKeyEx(_winreg.HKEY_LOCAL_MACHINE,
                                    r'Software\Microsoft\Windows NT\CurrentVersion')
                _winreg.QueryValueEx(k, 'SystemRoot')
                return 1
            except WindowsError:
                return 0
        # not windows NT
        return 0
Example #10
Source File: _winconsole.py    From vistir with ISC License 5 votes vote down vote up 
def query_registry_value(root, key_name, value):
    try:
        import winreg
    except ImportError:
        import _winreg as winreg
    try:
        with winreg.OpenKeyEx(root, key_name, 0, winreg.KEY_READ) as key:
            return get_value_from_tuple(*winreg.QueryValueEx(key, value))
    except OSError:
        return None
Example #11
Source File: _winconsole.py    From vistir with ISC License 5 votes vote down vote up 
def _get_sid_from_registry():
    try:
        import winreg
    except ImportError:
        import _winreg as winreg
    var_names = ("%USERPROFILE%", "%HOME%")
    current_user_home = next(iter(os.path.expandvars(v) for v in var_names if v), None)
    root, subkey = (
        winreg.HKEY_LOCAL_MACHINE,
        r"Software\Microsoft\Windows NT\CurrentVersion\ProfileList",
    )
    subkey_names = []
    value = None
    matching_key = None
    try:
        with winreg.OpenKeyEx(root, subkey, 0, winreg.KEY_READ) as key:
            for i in count():
                key_name = winreg.EnumKey(key, i)
                subkey_names.append(key_name)
                value = query_registry_value(
                    root, r"{0}\{1}".format(subkey, key_name), "ProfileImagePath"
                )
                if value and value.lower() == current_user_home.lower():
                    matching_key = key_name
                    break
    except OSError:
        pass
    if matching_key is not None:
        return matching_key
Example #12
Source File: runtime.py    From python-for-android with Apache License 2.0 5 votes vote down vote up 
def isWinNT(self):
        """Are we running in Windows NT?"""
        if self.getType() == 'win32':
            import _winreg
            try:
                k=_winreg.OpenKeyEx(_winreg.HKEY_LOCAL_MACHINE,
                                    r'Software\Microsoft\Windows NT\CurrentVersion')
                _winreg.QueryValueEx(k, 'SystemRoot')
                return 1
            except WindowsError:
                return 0
        # not windows NT
        return 0
Example #13
Source File: win32timezone.py    From ironpython2 with Apache License 2.0 5 votes vote down vote up 
def open(cls, *args, **kargs):
		return _RegKeyDict(_winreg.OpenKeyEx(*args, **kargs))
Example #14
Source File: overview_win.py    From marsnake with GNU General Public License v3.0 5 votes vote down vote up 
def get_network_card_info():
    reg = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE,
                          "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkCards")
    info = []
    for i in range(6):
        try:
            descp = _winreg.QueryValueEx(_winreg.OpenKeyEx(
                reg, _winreg.EnumKey(reg, i)), 'Description')[0]
            info.append(descp)
        except:
            break

    return info
Example #15
Source File: _registry.py    From pipenv with MIT License 5 votes vote down vote up 
def delete(self):
        for k in self:
            k.delete()
        try:
            key = winreg.OpenKeyEx(self._root, None, 0, winreg.KEY_READ | self._flags)
        except OSError:
            return
        with key:
            winreg.DeleteKeyEx(key, self.subkey)
Example #16
Source File: win32timezone.py    From ironpython2 with Apache License 2.0 5 votes vote down vote up 
def subkey(self, name):
		return _RegKeyDict(_winreg.OpenKeyEx(self.key, name))
Example #17
Source File: _registry.py    From pythonfinder with MIT License 5 votes vote down vote up 
def __iter__(self):
        subkey_names = []
        try:
            with winreg.OpenKeyEx(self._root, self.subkey, 0, winreg.KEY_READ | self._flags) as key:
                for i in count():
                    subkey_names.append(winreg.EnumKey(key, i))
        except OSError:
            pass
        return iter(self[k] for k in subkey_names)
Example #18
Source File: _registry.py    From pythonfinder with MIT License 5 votes vote down vote up 
def get_value(self, value_name):
        try:
            with winreg.OpenKeyEx(self._root, self.subkey, 0, winreg.KEY_READ | self._flags) as key:
                return get_value_from_tuple(*winreg.QueryValueEx(key, value_name))
        except OSError:
            return None
Example #19
Source File: _registry.py    From pythonfinder with MIT License 5 votes vote down vote up 
def delete(self):
        for k in self:
            k.delete()
        try:
            key = winreg.OpenKeyEx(self._root, None, 0, winreg.KEY_READ | self._flags)
        except OSError:
            return
        with key:
            winreg.DeleteKeyEx(key, self.subkey)
Example #20
Source File: _registry.py    From pipenv with MIT License 5 votes vote down vote up 
def __iter__(self):
        subkey_names = []
        try:
            with winreg.OpenKeyEx(self._root, self.subkey, 0, winreg.KEY_READ | self._flags) as key:
                for i in count():
                    subkey_names.append(winreg.EnumKey(key, i))
        except OSError:
            pass
        return iter(self[k] for k in subkey_names)
Example #21
Source File: _registry.py    From pipenv with MIT License 5 votes vote down vote up 
def get_value(self, value_name):
        try:
            with winreg.OpenKeyEx(self._root, self.subkey, 0, winreg.KEY_READ | self._flags) as key:
                return get_value_from_tuple(*winreg.QueryValueEx(key, value_name))
        except OSError:
            return None
Example #22
Source File: _winconsole.py    From pipenv with MIT License 5 votes vote down vote up 
def _get_sid_from_registry():
    try:
        import winreg
    except ImportError:
        import _winreg as winreg
    var_names = ("%USERPROFILE%", "%HOME%")
    current_user_home = next(iter(os.path.expandvars(v) for v in var_names if v), None)
    root, subkey = (
        winreg.HKEY_LOCAL_MACHINE,
        r"Software\Microsoft\Windows NT\CurrentVersion\ProfileList",
    )
    subkey_names = []
    value = None
    matching_key = None
    try:
        with winreg.OpenKeyEx(root, subkey, 0, winreg.KEY_READ) as key:
            for i in count():
                key_name = winreg.EnumKey(key, i)
                subkey_names.append(key_name)
                value = query_registry_value(
                    root, r"{0}\{1}".format(subkey, key_name), "ProfileImagePath"
                )
                if value and value.lower() == current_user_home.lower():
                    matching_key = key_name
                    break
    except OSError:
        pass
    if matching_key is not None:
        return matching_key
Example #23
Source File: platform.py    From Splunking-Crime with GNU Affero General Public License v3.0 4 votes vote down vote up 
def win32_ver(release='', version='', csd='', ptype=''):
    try:
        from sys import getwindowsversion
    except ImportError:
        return release, version, csd, ptype
    try:
        from winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE
    except ImportError:
        from _winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE

    winver = getwindowsversion()
    maj, min, build = _get_real_winver(*winver[:3])
    version = '{0}.{1}.{2}'.format(maj, min, build)

    release = (_WIN32_CLIENT_RELEASES.get((maj, min)) or
               _WIN32_CLIENT_RELEASES.get((maj, 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] == (maj, min):
        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((maj, min)) or
                   _WIN32_SERVER_RELEASES.get((maj, None)) or
                   release)

    key = None
    try:
        key = OpenKeyEx(HKEY_LOCAL_MACHINE,
                        r'SOFTWARE\Microsoft\Windows NT\CurrentVersion')
        ptype = QueryValueEx(key, 'CurrentType')[0]
    except:
        pass
    finally:
        if key:
            CloseKey(key)

    return release, version, csd, ptype
Example #24
Source File: platform.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 4 votes vote down vote up 
def win32_ver(release='', version='', csd='', ptype=''):
    try:
        from sys import getwindowsversion
    except ImportError:
        return release, version, csd, ptype
    try:
        from winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE
    except ImportError:
        from _winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE

    winver = getwindowsversion()
    maj, min, build = winver._platform_version or winver[:3]
    version = '{0}.{1}.{2}'.format(maj, min, build)

    release = (_WIN32_CLIENT_RELEASES.get((maj, min)) or
               _WIN32_CLIENT_RELEASES.get((maj, 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] == (maj, min):
        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((maj, min)) or
                   _WIN32_SERVER_RELEASES.get((maj, None)) or
                   release)

    key = None
    try:
        key = OpenKeyEx(HKEY_LOCAL_MACHINE,
                        r'SOFTWARE\Microsoft\Windows NT\CurrentVersion')
        ptype = QueryValueEx(key, 'CurrentType')[0]
    except:
        pass
    finally:
        if key:
            CloseKey(key)

    return release, version, csd, ptype
Example #25
Source File: platform.py    From ironpython3 with Apache License 2.0 4 votes vote down vote up 
def win32_ver(release='', version='', csd='', ptype=''):
    try:
        from sys import getwindowsversion
    except ImportError:
        return release, version, csd, ptype
    try:
        from winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE
    except ImportError:
        from _winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE

    winver = getwindowsversion()
    maj, min, build = _get_real_winver(*winver[:3])
    version = '{0}.{1}.{2}'.format(maj, min, build)

    release = (_WIN32_CLIENT_RELEASES.get((maj, min)) or
               _WIN32_CLIENT_RELEASES.get((maj, 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] == (maj, min):
        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((maj, min)) or
                   _WIN32_SERVER_RELEASES.get((maj, None)) or
                   release)

    key = None
    try:
        key = OpenKeyEx(HKEY_LOCAL_MACHINE,
                        r'SOFTWARE\Microsoft\Windows NT\CurrentVersion')
        ptype = QueryValueEx(key, 'CurrentType')[0]
    except:
        pass
    finally:
        if key:
            CloseKey(key)

    return release, version, csd, ptype
Example #26
Source File: platform.py    From Imogen with MIT License 4 votes vote down vote up 
def win32_ver(release='', version='', csd='', ptype=''):
    try:
        from sys import getwindowsversion
    except ImportError:
        return release, version, csd, ptype
    try:
        from winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE
    except ImportError:
        from _winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE

    winver = getwindowsversion()
    maj, min, build = winver.platform_version or winver[:3]
    version = '{0}.{1}.{2}'.format(maj, min, build)

    release = (_WIN32_CLIENT_RELEASES.get((maj, min)) or
               _WIN32_CLIENT_RELEASES.get((maj, 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] == (maj, min):
        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((maj, min)) or
                   _WIN32_SERVER_RELEASES.get((maj, None)) or
                   release)

    key = None
    try:
        key = OpenKeyEx(HKEY_LOCAL_MACHINE,
                        r'SOFTWARE\Microsoft\Windows NT\CurrentVersion')
        ptype = QueryValueEx(key, 'CurrentType')[0]
    except:
        pass
    finally:
        if key:
            CloseKey(key)

    return release, version, csd, ptype
Example #27
Source File: platform.py    From Fluid-Designer with GNU General Public License v3.0 4 votes vote down vote up 
def win32_ver(release='', version='', csd='', ptype=''):
    try:
        from sys import getwindowsversion
    except ImportError:
        return release, version, csd, ptype
    try:
        from winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE
    except ImportError:
        from _winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE

    winver = getwindowsversion()
    maj, min, build = _get_real_winver(*winver[:3])
    version = '{0}.{1}.{2}'.format(maj, min, build)

    release = (_WIN32_CLIENT_RELEASES.get((maj, min)) or
               _WIN32_CLIENT_RELEASES.get((maj, 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] == (maj, min):
        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((maj, min)) or
                   _WIN32_SERVER_RELEASES.get((maj, None)) or
                   release)

    key = None
    try:
        key = OpenKeyEx(HKEY_LOCAL_MACHINE,
                        r'SOFTWARE\Microsoft\Windows NT\CurrentVersion')
        ptype = QueryValueEx(key, 'CurrentType')[0]
    except:
        pass
    finally:
        if key:
            CloseKey(key)

    return release, version, csd, ptype
Example #28
Source File: platform.py    From ironpython2 with Apache License 2.0 4 votes vote down vote up 
def win32_ver(release='', version='', csd='', ptype=''):
    try:
        from sys import getwindowsversion
    except ImportError:
        return release, version, csd, ptype
    try:
        from winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE
    except ImportError:
        from _winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE

    winver = getwindowsversion()
    maj, min, build = _get_real_winver(*winver[:3])
    version = '{0}.{1}.{2}'.format(maj, min, build)

    release = (_WIN32_CLIENT_RELEASES.get((maj, min)) or
               _WIN32_CLIENT_RELEASES.get((maj, 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] == (maj, min):
        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((maj, min)) or
                   _WIN32_SERVER_RELEASES.get((maj, None)) or
                   release)

    key = None
    try:
        key = OpenKeyEx(HKEY_LOCAL_MACHINE,
                        r'SOFTWARE\Microsoft\Windows NT\CurrentVersion')
        ptype = QueryValueEx(key, 'CurrentType')[0]
    except:
        pass
    finally:
        if key:
            CloseKey(key)

    return release, version, csd, ptype
Example #29
Source File: platform.py    From PokemonGo-DesktopMap with MIT License 4 votes vote down vote up 
def win32_ver(release='', version='', csd='', ptype=''):
    try:
        from sys import getwindowsversion
    except ImportError:
        return release, version, csd, ptype
    try:
        from winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE
    except ImportError:
        from _winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE

    winver = getwindowsversion()
    maj, min, build = _get_real_winver(*winver[:3])
    version = '{0}.{1}.{2}'.format(maj, min, build)

    release = (_WIN32_CLIENT_RELEASES.get((maj, min)) or
               _WIN32_CLIENT_RELEASES.get((maj, 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] == (maj, min):
        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', None) == 3:
        release = (_WIN32_SERVER_RELEASES.get((maj, min)) or
                   _WIN32_SERVER_RELEASES.get((maj, None)) or
                   release)

    key = None
    try:
        key = OpenKeyEx(HKEY_LOCAL_MACHINE,
                        r'SOFTWARE\Microsoft\Windows NT\CurrentVersion')
        ptype = QueryValueEx(key, 'CurrentType')[0]
    except:
        pass
    finally:
        if key:
            CloseKey(key)

    return release, version, csd, ptype
Example #30
Source File: platform.py    From unity-python with MIT License 4 votes vote down vote up 
def win32_ver(release='', version='', csd='', ptype=''):
    try:
        from sys import getwindowsversion
    except ImportError:
        return release, version, csd, ptype
    try:
        from winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE
    except ImportError:
        from _winreg import OpenKeyEx, QueryValueEx, CloseKey, HKEY_LOCAL_MACHINE

    winver = getwindowsversion()
    maj, min, build = _get_real_winver(*winver[:3])
    version = '{0}.{1}.{2}'.format(maj, min, build)

    release = (_WIN32_CLIENT_RELEASES.get((maj, min)) or
               _WIN32_CLIENT_RELEASES.get((maj, 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] == (maj, min):
        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((maj, min)) or
                   _WIN32_SERVER_RELEASES.get((maj, None)) or
                   release)

    key = None
    try:
        key = OpenKeyEx(HKEY_LOCAL_MACHINE,
                        r'SOFTWARE\Microsoft\Windows NT\CurrentVersion')
        ptype = QueryValueEx(key, 'CurrentType')[0]
    except:
        pass
    finally:
        if key:
            CloseKey(key)

    return release, version, csd, ptype