--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/python-2.5.2/win32/Lib/uuid.py Fri Apr 03 17:19:34 2009 +0100
@@ -0,0 +1,541 @@
+r"""UUID objects (universally unique identifiers) according to RFC 4122.
+
+This module provides immutable UUID objects (class UUID) and the functions
+uuid1(), uuid3(), uuid4(), uuid5() for generating version 1, 3, 4, and 5
+UUIDs as specified in RFC 4122.
+
+If all you want is a unique ID, you should probably call uuid1() or uuid4().
+Note that uuid1() may compromise privacy since it creates a UUID containing
+the computer's network address. uuid4() creates a random UUID.
+
+Typical usage:
+
+ >>> import uuid
+
+ # make a UUID based on the host ID and current time
+ >>> uuid.uuid1()
+ UUID('a8098c1a-f86e-11da-bd1a-00112444be1e')
+
+ # make a UUID using an MD5 hash of a namespace UUID and a name
+ >>> uuid.uuid3(uuid.NAMESPACE_DNS, 'python.org')
+ UUID('6fa459ea-ee8a-3ca4-894e-db77e160355e')
+
+ # make a random UUID
+ >>> uuid.uuid4()
+ UUID('16fd2706-8baf-433b-82eb-8c7fada847da')
+
+ # make a UUID using a SHA-1 hash of a namespace UUID and a name
+ >>> uuid.uuid5(uuid.NAMESPACE_DNS, 'python.org')
+ UUID('886313e1-3b8a-5372-9b90-0c9aee199e5d')
+
+ # make a UUID from a string of hex digits (braces and hyphens ignored)
+ >>> x = uuid.UUID('{00010203-0405-0607-0809-0a0b0c0d0e0f}')
+
+ # convert a UUID to a string of hex digits in standard form
+ >>> str(x)
+ '00010203-0405-0607-0809-0a0b0c0d0e0f'
+
+ # get the raw 16 bytes of the UUID
+ >>> x.bytes
+ '\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f'
+
+ # make a UUID from a 16-byte string
+ >>> uuid.UUID(bytes=x.bytes)
+ UUID('00010203-0405-0607-0809-0a0b0c0d0e0f')
+"""
+
+__author__ = 'Ka-Ping Yee <ping@zesty.ca>'
+
+RESERVED_NCS, RFC_4122, RESERVED_MICROSOFT, RESERVED_FUTURE = [
+ 'reserved for NCS compatibility', 'specified in RFC 4122',
+ 'reserved for Microsoft compatibility', 'reserved for future definition']
+
+class UUID(object):
+ """Instances of the UUID class represent UUIDs as specified in RFC 4122.
+ UUID objects are immutable, hashable, and usable as dictionary keys.
+ Converting a UUID to a string with str() yields something in the form
+ '12345678-1234-1234-1234-123456789abc'. The UUID constructor accepts
+ five possible forms: a similar string of hexadecimal digits, or a tuple
+ of six integer fields (with 32-bit, 16-bit, 16-bit, 8-bit, 8-bit, and
+ 48-bit values respectively) as an argument named 'fields', or a string
+ of 16 bytes (with all the integer fields in big-endian order) as an
+ argument named 'bytes', or a string of 16 bytes (with the first three
+ fields in little-endian order) as an argument named 'bytes_le', or a
+ single 128-bit integer as an argument named 'int'.
+
+ UUIDs have these read-only attributes:
+
+ bytes the UUID as a 16-byte string (containing the six
+ integer fields in big-endian byte order)
+
+ bytes_le the UUID as a 16-byte string (with time_low, time_mid,
+ and time_hi_version in little-endian byte order)
+
+ fields a tuple of the six integer fields of the UUID,
+ which are also available as six individual attributes
+ and two derived attributes:
+
+ time_low the first 32 bits of the UUID
+ time_mid the next 16 bits of the UUID
+ time_hi_version the next 16 bits of the UUID
+ clock_seq_hi_variant the next 8 bits of the UUID
+ clock_seq_low the next 8 bits of the UUID
+ node the last 48 bits of the UUID
+
+ time the 60-bit timestamp
+ clock_seq the 14-bit sequence number
+
+ hex the UUID as a 32-character hexadecimal string
+
+ int the UUID as a 128-bit integer
+
+ urn the UUID as a URN as specified in RFC 4122
+
+ variant the UUID variant (one of the constants RESERVED_NCS,
+ RFC_4122, RESERVED_MICROSOFT, or RESERVED_FUTURE)
+
+ version the UUID version number (1 through 5, meaningful only
+ when the variant is RFC_4122)
+ """
+
+ def __init__(self, hex=None, bytes=None, bytes_le=None, fields=None,
+ int=None, version=None):
+ r"""Create a UUID from either a string of 32 hexadecimal digits,
+ a string of 16 bytes as the 'bytes' argument, a string of 16 bytes
+ in little-endian order as the 'bytes_le' argument, a tuple of six
+ integers (32-bit time_low, 16-bit time_mid, 16-bit time_hi_version,
+ 8-bit clock_seq_hi_variant, 8-bit clock_seq_low, 48-bit node) as
+ the 'fields' argument, or a single 128-bit integer as the 'int'
+ argument. When a string of hex digits is given, curly braces,
+ hyphens, and a URN prefix are all optional. For example, these
+ expressions all yield the same UUID:
+
+ UUID('{12345678-1234-5678-1234-567812345678}')
+ UUID('12345678123456781234567812345678')
+ UUID('urn:uuid:12345678-1234-5678-1234-567812345678')
+ UUID(bytes='\x12\x34\x56\x78'*4)
+ UUID(bytes_le='\x78\x56\x34\x12\x34\x12\x78\x56' +
+ '\x12\x34\x56\x78\x12\x34\x56\x78')
+ UUID(fields=(0x12345678, 0x1234, 0x5678, 0x12, 0x34, 0x567812345678))
+ UUID(int=0x12345678123456781234567812345678)
+
+ Exactly one of 'hex', 'bytes', 'bytes_le', 'fields', or 'int' must
+ be given. The 'version' argument is optional; if given, the resulting
+ UUID will have its variant and version set according to RFC 4122,
+ overriding the given 'hex', 'bytes', 'bytes_le', 'fields', or 'int'.
+ """
+
+ if [hex, bytes, bytes_le, fields, int].count(None) != 4:
+ raise TypeError('need one of hex, bytes, bytes_le, fields, or int')
+ if hex is not None:
+ hex = hex.replace('urn:', '').replace('uuid:', '')
+ hex = hex.strip('{}').replace('-', '')
+ if len(hex) != 32:
+ raise ValueError('badly formed hexadecimal UUID string')
+ int = long(hex, 16)
+ if bytes_le is not None:
+ if len(bytes_le) != 16:
+ raise ValueError('bytes_le is not a 16-char string')
+ bytes = (bytes_le[3] + bytes_le[2] + bytes_le[1] + bytes_le[0] +
+ bytes_le[5] + bytes_le[4] + bytes_le[7] + bytes_le[6] +
+ bytes_le[8:])
+ if bytes is not None:
+ if len(bytes) != 16:
+ raise ValueError('bytes is not a 16-char string')
+ int = long(('%02x'*16) % tuple(map(ord, bytes)), 16)
+ if fields is not None:
+ if len(fields) != 6:
+ raise ValueError('fields is not a 6-tuple')
+ (time_low, time_mid, time_hi_version,
+ clock_seq_hi_variant, clock_seq_low, node) = fields
+ if not 0 <= time_low < 1<<32L:
+ raise ValueError('field 1 out of range (need a 32-bit value)')
+ if not 0 <= time_mid < 1<<16L:
+ raise ValueError('field 2 out of range (need a 16-bit value)')
+ if not 0 <= time_hi_version < 1<<16L:
+ raise ValueError('field 3 out of range (need a 16-bit value)')
+ if not 0 <= clock_seq_hi_variant < 1<<8L:
+ raise ValueError('field 4 out of range (need an 8-bit value)')
+ if not 0 <= clock_seq_low < 1<<8L:
+ raise ValueError('field 5 out of range (need an 8-bit value)')
+ if not 0 <= node < 1<<48L:
+ raise ValueError('field 6 out of range (need a 48-bit value)')
+ clock_seq = (clock_seq_hi_variant << 8L) | clock_seq_low
+ int = ((time_low << 96L) | (time_mid << 80L) |
+ (time_hi_version << 64L) | (clock_seq << 48L) | node)
+ if int is not None:
+ if not 0 <= int < 1<<128L:
+ raise ValueError('int is out of range (need a 128-bit value)')
+ if version is not None:
+ if not 1 <= version <= 5:
+ raise ValueError('illegal version number')
+ # Set the variant to RFC 4122.
+ int &= ~(0xc000 << 48L)
+ int |= 0x8000 << 48L
+ # Set the version number.
+ int &= ~(0xf000 << 64L)
+ int |= version << 76L
+ self.__dict__['int'] = int
+
+ def __cmp__(self, other):
+ if isinstance(other, UUID):
+ return cmp(self.int, other.int)
+ return NotImplemented
+
+ def __hash__(self):
+ return hash(self.int)
+
+ def __int__(self):
+ return self.int
+
+ def __repr__(self):
+ return 'UUID(%r)' % str(self)
+
+ def __setattr__(self, name, value):
+ raise TypeError('UUID objects are immutable')
+
+ def __str__(self):
+ hex = '%032x' % self.int
+ return '%s-%s-%s-%s-%s' % (
+ hex[:8], hex[8:12], hex[12:16], hex[16:20], hex[20:])
+
+ def get_bytes(self):
+ bytes = ''
+ for shift in range(0, 128, 8):
+ bytes = chr((self.int >> shift) & 0xff) + bytes
+ return bytes
+
+ bytes = property(get_bytes)
+
+ def get_bytes_le(self):
+ bytes = self.bytes
+ return (bytes[3] + bytes[2] + bytes[1] + bytes[0] +
+ bytes[5] + bytes[4] + bytes[7] + bytes[6] + bytes[8:])
+
+ bytes_le = property(get_bytes_le)
+
+ def get_fields(self):
+ return (self.time_low, self.time_mid, self.time_hi_version,
+ self.clock_seq_hi_variant, self.clock_seq_low, self.node)
+
+ fields = property(get_fields)
+
+ def get_time_low(self):
+ return self.int >> 96L
+
+ time_low = property(get_time_low)
+
+ def get_time_mid(self):
+ return (self.int >> 80L) & 0xffff
+
+ time_mid = property(get_time_mid)
+
+ def get_time_hi_version(self):
+ return (self.int >> 64L) & 0xffff
+
+ time_hi_version = property(get_time_hi_version)
+
+ def get_clock_seq_hi_variant(self):
+ return (self.int >> 56L) & 0xff
+
+ clock_seq_hi_variant = property(get_clock_seq_hi_variant)
+
+ def get_clock_seq_low(self):
+ return (self.int >> 48L) & 0xff
+
+ clock_seq_low = property(get_clock_seq_low)
+
+ def get_time(self):
+ return (((self.time_hi_version & 0x0fffL) << 48L) |
+ (self.time_mid << 32L) | self.time_low)
+
+ time = property(get_time)
+
+ def get_clock_seq(self):
+ return (((self.clock_seq_hi_variant & 0x3fL) << 8L) |
+ self.clock_seq_low)
+
+ clock_seq = property(get_clock_seq)
+
+ def get_node(self):
+ return self.int & 0xffffffffffff
+
+ node = property(get_node)
+
+ def get_hex(self):
+ return '%032x' % self.int
+
+ hex = property(get_hex)
+
+ def get_urn(self):
+ return 'urn:uuid:' + str(self)
+
+ urn = property(get_urn)
+
+ def get_variant(self):
+ if not self.int & (0x8000 << 48L):
+ return RESERVED_NCS
+ elif not self.int & (0x4000 << 48L):
+ return RFC_4122
+ elif not self.int & (0x2000 << 48L):
+ return RESERVED_MICROSOFT
+ else:
+ return RESERVED_FUTURE
+
+ variant = property(get_variant)
+
+ def get_version(self):
+ # The version bits are only meaningful for RFC 4122 UUIDs.
+ if self.variant == RFC_4122:
+ return int((self.int >> 76L) & 0xf)
+
+ version = property(get_version)
+
+def _find_mac(command, args, hw_identifiers, get_index):
+ import os
+ for dir in ['', '/sbin/', '/usr/sbin']:
+ executable = os.path.join(dir, command)
+ if not os.path.exists(executable):
+ continue
+
+ try:
+ # LC_ALL to get English output, 2>/dev/null to
+ # prevent output on stderr
+ cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
+ pipe = os.popen(cmd)
+ except IOError:
+ continue
+
+ for line in pipe:
+ words = line.lower().split()
+ for i in range(len(words)):
+ if words[i] in hw_identifiers:
+ return int(words[get_index(i)].replace(':', ''), 16)
+ return None
+
+def _ifconfig_getnode():
+ """Get the hardware address on Unix by running ifconfig."""
+
+ # This works on Linux ('' or '-a'), Tru64 ('-av'), but not all Unixes.
+ for args in ('', '-a', '-av'):
+ mac = _find_mac('ifconfig', args, ['hwaddr', 'ether'], lambda i: i+1)
+ if mac:
+ return mac
+
+ import socket
+ ip_addr = socket.gethostbyname(socket.gethostname())
+
+ # Try getting the MAC addr from arp based on our IP address (Solaris).
+ mac = _find_mac('arp', '-an', [ip_addr], lambda i: -1)
+ if mac:
+ return mac
+
+ # This might work on HP-UX.
+ mac = _find_mac('lanscan', '-ai', ['lan0'], lambda i: 0)
+ if mac:
+ return mac
+
+ return None
+
+def _ipconfig_getnode():
+ """Get the hardware address on Windows by running ipconfig.exe."""
+ import os, re
+ dirs = ['', r'c:\windows\system32', r'c:\winnt\system32']
+ try:
+ import ctypes
+ buffer = ctypes.create_string_buffer(300)
+ ctypes.windll.kernel32.GetSystemDirectoryA(buffer, 300)
+ dirs.insert(0, buffer.value.decode('mbcs'))
+ except:
+ pass
+ for dir in dirs:
+ try:
+ pipe = os.popen(os.path.join(dir, 'ipconfig') + ' /all')
+ except IOError:
+ continue
+ for line in pipe:
+ value = line.split(':')[-1].strip().lower()
+ if re.match('([0-9a-f][0-9a-f]-){5}[0-9a-f][0-9a-f]', value):
+ return int(value.replace('-', ''), 16)
+
+def _netbios_getnode():
+ """Get the hardware address on Windows using NetBIOS calls.
+ See http://support.microsoft.com/kb/118623 for details."""
+ import win32wnet, netbios
+ ncb = netbios.NCB()
+ ncb.Command = netbios.NCBENUM
+ ncb.Buffer = adapters = netbios.LANA_ENUM()
+ adapters._pack()
+ if win32wnet.Netbios(ncb) != 0:
+ return
+ adapters._unpack()
+ for i in range(adapters.length):
+ ncb.Reset()
+ ncb.Command = netbios.NCBRESET
+ ncb.Lana_num = ord(adapters.lana[i])
+ if win32wnet.Netbios(ncb) != 0:
+ continue
+ ncb.Reset()
+ ncb.Command = netbios.NCBASTAT
+ ncb.Lana_num = ord(adapters.lana[i])
+ ncb.Callname = '*'.ljust(16)
+ ncb.Buffer = status = netbios.ADAPTER_STATUS()
+ if win32wnet.Netbios(ncb) != 0:
+ continue
+ status._unpack()
+ bytes = map(ord, status.adapter_address)
+ return ((bytes[0]<<40L) + (bytes[1]<<32L) + (bytes[2]<<24L) +
+ (bytes[3]<<16L) + (bytes[4]<<8L) + bytes[5])
+
+# Thanks to Thomas Heller for ctypes and for his help with its use here.
+
+# If ctypes is available, use it to find system routines for UUID generation.
+_uuid_generate_random = _uuid_generate_time = _UuidCreate = None
+try:
+ import ctypes, ctypes.util
+ _buffer = ctypes.create_string_buffer(16)
+
+ # The uuid_generate_* routines are provided by libuuid on at least
+ # Linux and FreeBSD, and provided by libc on Mac OS X.
+ for libname in ['uuid', 'c']:
+ try:
+ lib = ctypes.CDLL(ctypes.util.find_library(libname))
+ except:
+ continue
+ if hasattr(lib, 'uuid_generate_random'):
+ _uuid_generate_random = lib.uuid_generate_random
+ if hasattr(lib, 'uuid_generate_time'):
+ _uuid_generate_time = lib.uuid_generate_time
+
+ # On Windows prior to 2000, UuidCreate gives a UUID containing the
+ # hardware address. On Windows 2000 and later, UuidCreate makes a
+ # random UUID and UuidCreateSequential gives a UUID containing the
+ # hardware address. These routines are provided by the RPC runtime.
+ # NOTE: at least on Tim's WinXP Pro SP2 desktop box, while the last
+ # 6 bytes returned by UuidCreateSequential are fixed, they don't appear
+ # to bear any relationship to the MAC address of any network device
+ # on the box.
+ try:
+ lib = ctypes.windll.rpcrt4
+ except:
+ lib = None
+ _UuidCreate = getattr(lib, 'UuidCreateSequential',
+ getattr(lib, 'UuidCreate', None))
+except:
+ pass
+
+def _unixdll_getnode():
+ """Get the hardware address on Unix using ctypes."""
+ _uuid_generate_time(_buffer)
+ return UUID(bytes=_buffer.raw).node
+
+def _windll_getnode():
+ """Get the hardware address on Windows using ctypes."""
+ if _UuidCreate(_buffer) == 0:
+ return UUID(bytes=_buffer.raw).node
+
+def _random_getnode():
+ """Get a random node ID, with eighth bit set as suggested by RFC 4122."""
+ import random
+ return random.randrange(0, 1<<48L) | 0x010000000000L
+
+_node = None
+
+def getnode():
+ """Get the hardware address as a 48-bit positive integer.
+
+ The first time this runs, it may launch a separate program, which could
+ be quite slow. If all attempts to obtain the hardware address fail, we
+ choose a random 48-bit number with its eighth bit set to 1 as recommended
+ in RFC 4122.
+ """
+
+ global _node
+ if _node is not None:
+ return _node
+
+ import sys
+ if sys.platform == 'win32':
+ getters = [_windll_getnode, _netbios_getnode, _ipconfig_getnode]
+ else:
+ getters = [_unixdll_getnode, _ifconfig_getnode]
+
+ for getter in getters + [_random_getnode]:
+ try:
+ _node = getter()
+ except:
+ continue
+ if _node is not None:
+ return _node
+
+_last_timestamp = None
+
+def uuid1(node=None, clock_seq=None):
+ """Generate a UUID from a host ID, sequence number, and the current time.
+ If 'node' is not given, getnode() is used to obtain the hardware
+ address. If 'clock_seq' is given, it is used as the sequence number;
+ otherwise a random 14-bit sequence number is chosen."""
+
+ # When the system provides a version-1 UUID generator, use it (but don't
+ # use UuidCreate here because its UUIDs don't conform to RFC 4122).
+ if _uuid_generate_time and node is clock_seq is None:
+ _uuid_generate_time(_buffer)
+ return UUID(bytes=_buffer.raw)
+
+ global _last_timestamp
+ import time
+ nanoseconds = int(time.time() * 1e9)
+ # 0x01b21dd213814000 is the number of 100-ns intervals between the
+ # UUID epoch 1582-10-15 00:00:00 and the Unix epoch 1970-01-01 00:00:00.
+ timestamp = int(nanoseconds/100) + 0x01b21dd213814000L
+ if timestamp <= _last_timestamp:
+ timestamp = _last_timestamp + 1
+ _last_timestamp = timestamp
+ if clock_seq is None:
+ import random
+ clock_seq = random.randrange(1<<14L) # instead of stable storage
+ time_low = timestamp & 0xffffffffL
+ time_mid = (timestamp >> 32L) & 0xffffL
+ time_hi_version = (timestamp >> 48L) & 0x0fffL
+ clock_seq_low = clock_seq & 0xffL
+ clock_seq_hi_variant = (clock_seq >> 8L) & 0x3fL
+ if node is None:
+ node = getnode()
+ return UUID(fields=(time_low, time_mid, time_hi_version,
+ clock_seq_hi_variant, clock_seq_low, node), version=1)
+
+def uuid3(namespace, name):
+ """Generate a UUID from the MD5 hash of a namespace UUID and a name."""
+ import md5
+ hash = md5.md5(namespace.bytes + name).digest()
+ return UUID(bytes=hash[:16], version=3)
+
+def uuid4():
+ """Generate a random UUID."""
+
+ # When the system provides a version-4 UUID generator, use it.
+ if _uuid_generate_random:
+ _uuid_generate_random(_buffer)
+ return UUID(bytes=_buffer.raw)
+
+ # Otherwise, get randomness from urandom or the 'random' module.
+ try:
+ import os
+ return UUID(bytes=os.urandom(16), version=4)
+ except:
+ import random
+ bytes = [chr(random.randrange(256)) for i in range(16)]
+ return UUID(bytes=bytes, version=4)
+
+def uuid5(namespace, name):
+ """Generate a UUID from the SHA-1 hash of a namespace UUID and a name."""
+ import sha
+ hash = sha.sha(namespace.bytes + name).digest()
+ return UUID(bytes=hash[:16], version=5)
+
+# The following standard UUIDs are for use with uuid3() or uuid5().
+
+NAMESPACE_DNS = UUID('6ba7b810-9dad-11d1-80b4-00c04fd430c8')
+NAMESPACE_URL = UUID('6ba7b811-9dad-11d1-80b4-00c04fd430c8')
+NAMESPACE_OID = UUID('6ba7b812-9dad-11d1-80b4-00c04fd430c8')
+NAMESPACE_X500 = UUID('6ba7b814-9dad-11d1-80b4-00c04fd430c8')