cpython-lru_cache-weakref: Lib/uuid.py annotate

annotate Lib/uuid.py @ 54294:dba767bc3155 legacy-trunk

remove mention of old ctypes version

author	Benjamin Peterson <benjamin@python.org>
date	Sat, 23 May 2009 20:59:09 +0000
parents	3250fb71a9e0
children	813daee94f73 fe38d3c17888

rev	line source
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	1 r"""UUID objects (universally unique identifiers) according to RFC 4122.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	2
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	3 This module provides immutable UUID objects (class UUID) and the functions
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	4 uuid1(), uuid3(), uuid4(), uuid5() for generating version 1, 3, 4, and 5
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	5 UUIDs as specified in RFC 4122.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	6
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	7 If all you want is a unique ID, you should probably call uuid1() or uuid4().
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	8 Note that uuid1() may compromise privacy since it creates a UUID containing
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	9 the computer's network address. uuid4() creates a random UUID.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	10
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	11 Typical usage:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	12
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	13 >>> import uuid
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	14
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	15 # make a UUID based on the host ID and current time
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	16 >>> uuid.uuid1()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	17 UUID('a8098c1a-f86e-11da-bd1a-00112444be1e')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	18
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	19 # make a UUID using an MD5 hash of a namespace UUID and a name
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	20 >>> uuid.uuid3(uuid.NAMESPACE_DNS, 'python.org')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	21 UUID('6fa459ea-ee8a-3ca4-894e-db77e160355e')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	22
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	23 # make a random UUID
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	24 >>> uuid.uuid4()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	25 UUID('16fd2706-8baf-433b-82eb-8c7fada847da')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	26
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	27 # make a UUID using a SHA-1 hash of a namespace UUID and a name
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	28 >>> uuid.uuid5(uuid.NAMESPACE_DNS, 'python.org')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	29 UUID('886313e1-3b8a-5372-9b90-0c9aee199e5d')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	30
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	31 # make a UUID from a string of hex digits (braces and hyphens ignored)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	32 >>> x = uuid.UUID('{00010203-0405-0607-0809-0a0b0c0d0e0f}')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	33
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	34 # convert a UUID to a string of hex digits in standard form
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	35 >>> str(x)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	36 '00010203-0405-0607-0809-0a0b0c0d0e0f'
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	37
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	38 # get the raw 16 bytes of the UUID
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	39 >>> x.bytes
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	40 '\x00\x01\x02\x03\x04\x05\x06\x07\x08\t\n\x0b\x0c\r\x0e\x0f'
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	41
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	42 # make a UUID from a 16-byte string
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	43 >>> uuid.UUID(bytes=x.bytes)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	44 UUID('00010203-0405-0607-0809-0a0b0c0d0e0f')
38884 5b987d21231b Remove Python 2.3 compatibility comment. Ka-Ping Yee <ping@zesty.ca> parents: 38783 diff changeset	45 """
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	46
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	47 __author__ = 'Ka-Ping Yee <ping@zesty.ca>'
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	48
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	49 RESERVED_NCS, RFC_4122, RESERVED_MICROSOFT, RESERVED_FUTURE = [
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	50 'reserved for NCS compatibility', 'specified in RFC 4122',
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	51 'reserved for Microsoft compatibility', 'reserved for future definition']
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	52
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	53 class UUID(object):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	54 """Instances of the UUID class represent UUIDs as specified in RFC 4122.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	55 UUID objects are immutable, hashable, and usable as dictionary keys.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	56 Converting a UUID to a string with str() yields something in the form
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	57 '12345678-1234-1234-1234-123456789abc'. The UUID constructor accepts
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	58 five possible forms: a similar string of hexadecimal digits, or a tuple
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	59 of six integer fields (with 32-bit, 16-bit, 16-bit, 8-bit, 8-bit, and
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	60 48-bit values respectively) as an argument named 'fields', or a string
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	61 of 16 bytes (with all the integer fields in big-endian order) as an
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	62 argument named 'bytes', or a string of 16 bytes (with the first three
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	63 fields in little-endian order) as an argument named 'bytes_le', or a
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	64 single 128-bit integer as an argument named 'int'.
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	65
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	66 UUIDs have these read-only attributes:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	67
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	68 bytes the UUID as a 16-byte string (containing the six
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	69 integer fields in big-endian byte order)
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	70
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	71 bytes_le the UUID as a 16-byte string (with time_low, time_mid,
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	72 and time_hi_version in little-endian byte order)
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	73
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	74 fields a tuple of the six integer fields of the UUID,
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	75 which are also available as six individual attributes
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	76 and two derived attributes:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	77
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	78 time_low the first 32 bits of the UUID
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	79 time_mid the next 16 bits of the UUID
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	80 time_hi_version the next 16 bits of the UUID
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	81 clock_seq_hi_variant the next 8 bits of the UUID
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	82 clock_seq_low the next 8 bits of the UUID
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	83 node the last 48 bits of the UUID
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	84
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	85 time the 60-bit timestamp
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	86 clock_seq the 14-bit sequence number
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	87
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	88 hex the UUID as a 32-character hexadecimal string
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	89
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	90 int the UUID as a 128-bit integer
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	91
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	92 urn the UUID as a URN as specified in RFC 4122
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	93
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	94 variant the UUID variant (one of the constants RESERVED_NCS,
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	95 RFC_4122, RESERVED_MICROSOFT, or RESERVED_FUTURE)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	96
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	97 version the UUID version number (1 through 5, meaningful only
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	98 when the variant is RFC_4122)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	99 """
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	100
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	101 def __init__(self, hex=None, bytes=None, bytes_le=None, fields=None,
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	102 int=None, version=None):
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	103 r"""Create a UUID from either a string of 32 hexadecimal digits,
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	104 a string of 16 bytes as the 'bytes' argument, a string of 16 bytes
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	105 in little-endian order as the 'bytes_le' argument, a tuple of six
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	106 integers (32-bit time_low, 16-bit time_mid, 16-bit time_hi_version,
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	107 8-bit clock_seq_hi_variant, 8-bit clock_seq_low, 48-bit node) as
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	108 the 'fields' argument, or a single 128-bit integer as the 'int'
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	109 argument. When a string of hex digits is given, curly braces,
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	110 hyphens, and a URN prefix are all optional. For example, these
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	111 expressions all yield the same UUID:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	112
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	113 UUID('{12345678-1234-5678-1234-567812345678}')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	114 UUID('12345678123456781234567812345678')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	115 UUID('urn:uuid:12345678-1234-5678-1234-567812345678')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	116 UUID(bytes='\x12\x34\x56\x78'*4)
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	117 UUID(bytes_le='\x78\x56\x34\x12\x34\x12\x78\x56' +
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	118 '\x12\x34\x56\x78\x12\x34\x56\x78')
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	119 UUID(fields=(0x12345678, 0x1234, 0x5678, 0x12, 0x34, 0x567812345678))
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	120 UUID(int=0x12345678123456781234567812345678)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	121
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	122 Exactly one of 'hex', 'bytes', 'bytes_le', 'fields', or 'int' must
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	123 be given. The 'version' argument is optional; if given, the resulting
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	124 UUID will have its variant and version set according to RFC 4122,
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	125 overriding the given 'hex', 'bytes', 'bytes_le', 'fields', or 'int'.
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	126 """
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	127
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	128 if [hex, bytes, bytes_le, fields, int].count(None) != 4:
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	129 raise TypeError('need one of hex, bytes, bytes_le, fields, or int')
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	130 if hex is not None:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	131 hex = hex.replace('urn:', '').replace('uuid:', '')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	132 hex = hex.strip('{}').replace('-', '')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	133 if len(hex) != 32:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	134 raise ValueError('badly formed hexadecimal UUID string')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	135 int = long(hex, 16)
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	136 if bytes_le is not None:
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	137 if len(bytes_le) != 16:
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	138 raise ValueError('bytes_le is not a 16-char string')
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	139 bytes = (bytes_le[3] + bytes_le[2] + bytes_le[1] + bytes_le[0] +
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	140 bytes_le[5] + bytes_le[4] + bytes_le[7] + bytes_le[6] +
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	141 bytes_le[8:])
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	142 if bytes is not None:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	143 if len(bytes) != 16:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	144 raise ValueError('bytes is not a 16-char string')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	145 int = long(('%02x'*16) % tuple(map(ord, bytes)), 16)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	146 if fields is not None:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	147 if len(fields) != 6:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	148 raise ValueError('fields is not a 6-tuple')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	149 (time_low, time_mid, time_hi_version,
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	150 clock_seq_hi_variant, clock_seq_low, node) = fields
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	151 if not 0 <= time_low < 1<<32L:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	152 raise ValueError('field 1 out of range (need a 32-bit value)')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	153 if not 0 <= time_mid < 1<<16L:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	154 raise ValueError('field 2 out of range (need a 16-bit value)')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	155 if not 0 <= time_hi_version < 1<<16L:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	156 raise ValueError('field 3 out of range (need a 16-bit value)')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	157 if not 0 <= clock_seq_hi_variant < 1<<8L:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	158 raise ValueError('field 4 out of range (need an 8-bit value)')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	159 if not 0 <= clock_seq_low < 1<<8L:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	160 raise ValueError('field 5 out of range (need an 8-bit value)')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	161 if not 0 <= node < 1<<48L:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	162 raise ValueError('field 6 out of range (need a 48-bit value)')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	163 clock_seq = (clock_seq_hi_variant << 8L) \| clock_seq_low
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	164 int = ((time_low << 96L) \| (time_mid << 80L) \|
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	165 (time_hi_version << 64L) \| (clock_seq << 48L) \| node)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	166 if int is not None:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	167 if not 0 <= int < 1<<128L:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	168 raise ValueError('int is out of range (need a 128-bit value)')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	169 if version is not None:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	170 if not 1 <= version <= 5:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	171 raise ValueError('illegal version number')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	172 # Set the variant to RFC 4122.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	173 int &= ~(0xc000 << 48L)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	174 int \|= 0x8000 << 48L
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	175 # Set the version number.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	176 int &= ~(0xf000 << 64L)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	177 int \|= version << 76L
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	178 self.__dict__['int'] = int
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	179
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	180 def __cmp__(self, other):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	181 if isinstance(other, UUID):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	182 return cmp(self.int, other.int)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	183 return NotImplemented
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	184
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	185 def __hash__(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	186 return hash(self.int)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	187
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	188 def __int__(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	189 return self.int
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	190
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	191 def __repr__(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	192 return 'UUID(%r)' % str(self)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	193
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	194 def __setattr__(self, name, value):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	195 raise TypeError('UUID objects are immutable')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	196
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	197 def __str__(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	198 hex = '%032x' % self.int
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	199 return '%s-%s-%s-%s-%s' % (
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	200 hex[:8], hex[8:12], hex[12:16], hex[16:20], hex[20:])
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	201
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	202 def get_bytes(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	203 bytes = ''
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	204 for shift in range(0, 128, 8):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	205 bytes = chr((self.int >> shift) & 0xff) + bytes
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	206 return bytes
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	207
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	208 bytes = property(get_bytes)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	209
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	210 def get_bytes_le(self):
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	211 bytes = self.bytes
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	212 return (bytes[3] + bytes[2] + bytes[1] + bytes[0] +
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	213 bytes[5] + bytes[4] + bytes[7] + bytes[6] + bytes[8:])
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	214
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	215 bytes_le = property(get_bytes_le)
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	216
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	217 def get_fields(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	218 return (self.time_low, self.time_mid, self.time_hi_version,
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	219 self.clock_seq_hi_variant, self.clock_seq_low, self.node)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	220
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	221 fields = property(get_fields)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	222
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	223 def get_time_low(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	224 return self.int >> 96L
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	225
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	226 time_low = property(get_time_low)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	227
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	228 def get_time_mid(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	229 return (self.int >> 80L) & 0xffff
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	230
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	231 time_mid = property(get_time_mid)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	232
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	233 def get_time_hi_version(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	234 return (self.int >> 64L) & 0xffff
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	235
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	236 time_hi_version = property(get_time_hi_version)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	237
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	238 def get_clock_seq_hi_variant(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	239 return (self.int >> 56L) & 0xff
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	240
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	241 clock_seq_hi_variant = property(get_clock_seq_hi_variant)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	242
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	243 def get_clock_seq_low(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	244 return (self.int >> 48L) & 0xff
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	245
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	246 clock_seq_low = property(get_clock_seq_low)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	247
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	248 def get_time(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	249 return (((self.time_hi_version & 0x0fffL) << 48L) \|
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	250 (self.time_mid << 32L) \| self.time_low)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	251
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	252 time = property(get_time)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	253
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	254 def get_clock_seq(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	255 return (((self.clock_seq_hi_variant & 0x3fL) << 8L) \|
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	256 self.clock_seq_low)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	257
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	258 clock_seq = property(get_clock_seq)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	259
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	260 def get_node(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	261 return self.int & 0xffffffffffff
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	262
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	263 node = property(get_node)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	264
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	265 def get_hex(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	266 return '%032x' % self.int
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	267
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	268 hex = property(get_hex)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	269
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	270 def get_urn(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	271 return 'urn:uuid:' + str(self)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	272
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	273 urn = property(get_urn)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	274
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	275 def get_variant(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	276 if not self.int & (0x8000 << 48L):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	277 return RESERVED_NCS
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	278 elif not self.int & (0x4000 << 48L):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	279 return RFC_4122
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	280 elif not self.int & (0x2000 << 48L):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	281 return RESERVED_MICROSOFT
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	282 else:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	283 return RESERVED_FUTURE
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	284
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	285 variant = property(get_variant)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	286
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	287 def get_version(self):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	288 # The version bits are only meaningful for RFC 4122 UUIDs.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	289 if self.variant == RFC_4122:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	290 return int((self.int >> 76L) & 0xf)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	291
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	292 version = property(get_version)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	293
39240 bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	294 def _find_mac(command, args, hw_identifiers, get_index):
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	295 import os
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	296 for dir in ['', '/sbin/', '/usr/sbin']:
39287 6a5f79a4e687 If the executable doesn't exist, there's no reason to try to start it. Neal Norwitz <nnorwitz@gmail.com> parents: 39240 diff changeset	297 executable = os.path.join(dir, command)
6a5f79a4e687 If the executable doesn't exist, there's no reason to try to start it. Neal Norwitz <nnorwitz@gmail.com> parents: 39240 diff changeset	298 if not os.path.exists(executable):
6a5f79a4e687 If the executable doesn't exist, there's no reason to try to start it. Neal Norwitz <nnorwitz@gmail.com> parents: 39240 diff changeset	299 continue
6a5f79a4e687 If the executable doesn't exist, there's no reason to try to start it. Neal Norwitz <nnorwitz@gmail.com> parents: 39240 diff changeset	300
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	301 try:
39210 a110a4462189 Make uuid test suite pass on this box by requesting output with LC_ALL=C. Georg Brandl <georg@python.org> parents: 38884 diff changeset	302 # LC_ALL to get English output, 2>/dev/null to
a110a4462189 Make uuid test suite pass on this box by requesting output with LC_ALL=C. Georg Brandl <georg@python.org> parents: 38884 diff changeset	303 # prevent output on stderr
39240 bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	304 cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
39210 a110a4462189 Make uuid test suite pass on this box by requesting output with LC_ALL=C. Georg Brandl <georg@python.org> parents: 38884 diff changeset	305 pipe = os.popen(cmd)
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	306 except IOError:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	307 continue
39240 bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	308
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	309 for line in pipe:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	310 words = line.lower().split()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	311 for i in range(len(words)):
39240 bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	312 if words[i] in hw_identifiers:
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	313 return int(words[get_index(i)].replace(':', ''), 16)
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	314 return None
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	315
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	316 def _ifconfig_getnode():
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	317 """Get the hardware address on Unix by running ifconfig."""
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	318
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	319 # This works on Linux ('' or '-a'), Tru64 ('-av'), but not all Unixes.
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	320 for args in ('', '-a', '-av'):
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	321 mac = _find_mac('ifconfig', args, ['hwaddr', 'ether'], lambda i: i+1)
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	322 if mac:
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	323 return mac
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	324
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	325 import socket
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	326 ip_addr = socket.gethostbyname(socket.gethostname())
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	327
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	328 # Try getting the MAC addr from arp based on our IP address (Solaris).
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	329 mac = _find_mac('arp', '-an', [ip_addr], lambda i: -1)
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	330 if mac:
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	331 return mac
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	332
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	333 # This might work on HP-UX.
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	334 mac = _find_mac('lanscan', '-ai', ['lan0'], lambda i: 0)
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	335 if mac:
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	336 return mac
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	337
bf1984c13e2f Try to find the MAC addr on various flavours of Unix. This seems hopeless. Neal Norwitz <nnorwitz@gmail.com> parents: 39239 diff changeset	338 return None
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	339
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	340 def _ipconfig_getnode():
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	341 """Get the hardware address on Windows by running ipconfig.exe."""
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	342 import os, re
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	343 dirs = ['', r'c:\windows\system32', r'c:\winnt\system32']
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	344 try:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	345 import ctypes
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	346 buffer = ctypes.create_string_buffer(300)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	347 ctypes.windll.kernel32.GetSystemDirectoryA(buffer, 300)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	348 dirs.insert(0, buffer.value.decode('mbcs'))
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	349 except:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	350 pass
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	351 for dir in dirs:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	352 try:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	353 pipe = os.popen(os.path.join(dir, 'ipconfig') + ' /all')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	354 except IOError:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	355 continue
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	356 for line in pipe:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	357 value = line.split(':')[-1].strip().lower()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	358 if re.match('([0-9a-f][0-9a-f]-){5}[0-9a-f][0-9a-f]', value):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	359 return int(value.replace('-', ''), 16)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	360
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	361 def _netbios_getnode():
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	362 """Get the hardware address on Windows using NetBIOS calls.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	363 See http://support.microsoft.com/kb/118623 for details."""
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	364 import win32wnet, netbios
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	365 ncb = netbios.NCB()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	366 ncb.Command = netbios.NCBENUM
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	367 ncb.Buffer = adapters = netbios.LANA_ENUM()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	368 adapters._pack()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	369 if win32wnet.Netbios(ncb) != 0:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	370 return
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	371 adapters._unpack()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	372 for i in range(adapters.length):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	373 ncb.Reset()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	374 ncb.Command = netbios.NCBRESET
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	375 ncb.Lana_num = ord(adapters.lana[i])
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	376 if win32wnet.Netbios(ncb) != 0:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	377 continue
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	378 ncb.Reset()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	379 ncb.Command = netbios.NCBASTAT
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	380 ncb.Lana_num = ord(adapters.lana[i])
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	381 ncb.Callname = '*'.ljust(16)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	382 ncb.Buffer = status = netbios.ADAPTER_STATUS()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	383 if win32wnet.Netbios(ncb) != 0:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	384 continue
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	385 status._unpack()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	386 bytes = map(ord, status.adapter_address)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	387 return ((bytes[0]<<40L) + (bytes[1]<<32L) + (bytes[2]<<24L) +
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	388 (bytes[3]<<16L) + (bytes[4]<<8L) + bytes[5])
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	389
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	390 # Thanks to Thomas Heller for ctypes and for his help with its use here.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	391
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	392 # If ctypes is available, use it to find system routines for UUID generation.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	393 _uuid_generate_random = _uuid_generate_time = _UuidCreate = None
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	394 try:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	395 import ctypes, ctypes.util
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	396
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	397 # The uuid_generate_* routines are provided by libuuid on at least
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	398 # Linux and FreeBSD, and provided by libc on Mac OS X.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	399 for libname in ['uuid', 'c']:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	400 try:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	401 lib = ctypes.CDLL(ctypes.util.find_library(libname))
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	402 except:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	403 continue
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	404 if hasattr(lib, 'uuid_generate_random'):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	405 _uuid_generate_random = lib.uuid_generate_random
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	406 if hasattr(lib, 'uuid_generate_time'):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	407 _uuid_generate_time = lib.uuid_generate_time
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	408
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	409 # On Windows prior to 2000, UuidCreate gives a UUID containing the
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	410 # hardware address. On Windows 2000 and later, UuidCreate makes a
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	411 # random UUID and UuidCreateSequential gives a UUID containing the
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	412 # hardware address. These routines are provided by the RPC runtime.
39239 55865d7bc6ea Live with that "the hardware address" is an ill-defined Tim Peters <tim.peters@gmail.com> parents: 39210 diff changeset	413 # NOTE: at least on Tim's WinXP Pro SP2 desktop box, while the last
55865d7bc6ea Live with that "the hardware address" is an ill-defined Tim Peters <tim.peters@gmail.com> parents: 39210 diff changeset	414 # 6 bytes returned by UuidCreateSequential are fixed, they don't appear
55865d7bc6ea Live with that "the hardware address" is an ill-defined Tim Peters <tim.peters@gmail.com> parents: 39210 diff changeset	415 # to bear any relationship to the MAC address of any network device
55865d7bc6ea Live with that "the hardware address" is an ill-defined Tim Peters <tim.peters@gmail.com> parents: 39210 diff changeset	416 # on the box.
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	417 try:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	418 lib = ctypes.windll.rpcrt4
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	419 except:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	420 lib = None
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	421 _UuidCreate = getattr(lib, 'UuidCreateSequential',
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	422 getattr(lib, 'UuidCreate', None))
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	423 except:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	424 pass
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	425
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	426 def _unixdll_getnode():
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	427 """Get the hardware address on Unix using ctypes."""
42771 7323331876dd uuid creation is now threadsafe, backport from py3k rev. 57375. Georg Brandl <georg@python.org> parents: 41924 diff changeset	428 _buffer = ctypes.create_string_buffer(16)
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	429 _uuid_generate_time(_buffer)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	430 return UUID(bytes=_buffer.raw).node
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	431
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	432 def _windll_getnode():
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	433 """Get the hardware address on Windows using ctypes."""
42771 7323331876dd uuid creation is now threadsafe, backport from py3k rev. 57375. Georg Brandl <georg@python.org> parents: 41924 diff changeset	434 _buffer = ctypes.create_string_buffer(16)
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	435 if _UuidCreate(_buffer) == 0:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	436 return UUID(bytes=_buffer.raw).node
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	437
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	438 def _random_getnode():
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	439 """Get a random node ID, with eighth bit set as suggested by RFC 4122."""
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	440 import random
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	441 return random.randrange(0, 1<<48L) \| 0x010000000000L
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	442
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	443 _node = None
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	444
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	445 def getnode():
39239 55865d7bc6ea Live with that "the hardware address" is an ill-defined Tim Peters <tim.peters@gmail.com> parents: 39210 diff changeset	446 """Get the hardware address as a 48-bit positive integer.
55865d7bc6ea Live with that "the hardware address" is an ill-defined Tim Peters <tim.peters@gmail.com> parents: 39210 diff changeset	447
55865d7bc6ea Live with that "the hardware address" is an ill-defined Tim Peters <tim.peters@gmail.com> parents: 39210 diff changeset	448 The first time this runs, it may launch a separate program, which could
55865d7bc6ea Live with that "the hardware address" is an ill-defined Tim Peters <tim.peters@gmail.com> parents: 39210 diff changeset	449 be quite slow. If all attempts to obtain the hardware address fail, we
55865d7bc6ea Live with that "the hardware address" is an ill-defined Tim Peters <tim.peters@gmail.com> parents: 39210 diff changeset	450 choose a random 48-bit number with its eighth bit set to 1 as recommended
55865d7bc6ea Live with that "the hardware address" is an ill-defined Tim Peters <tim.peters@gmail.com> parents: 39210 diff changeset	451 in RFC 4122.
55865d7bc6ea Live with that "the hardware address" is an ill-defined Tim Peters <tim.peters@gmail.com> parents: 39210 diff changeset	452 """
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	453
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	454 global _node
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	455 if _node is not None:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	456 return _node
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	457
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	458 import sys
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	459 if sys.platform == 'win32':
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	460 getters = [_windll_getnode, _netbios_getnode, _ipconfig_getnode]
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	461 else:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	462 getters = [_unixdll_getnode, _ifconfig_getnode]
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	463
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	464 for getter in getters + [_random_getnode]:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	465 try:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	466 _node = getter()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	467 except:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	468 continue
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	469 if _node is not None:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	470 return _node
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	471
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	472 _last_timestamp = None
9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	473
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	474 def uuid1(node=None, clock_seq=None):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	475 """Generate a UUID from a host ID, sequence number, and the current time.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	476 If 'node' is not given, getnode() is used to obtain the hardware
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	477 address. If 'clock_seq' is given, it is used as the sequence number;
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	478 otherwise a random 14-bit sequence number is chosen."""
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	479
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	480 # When the system provides a version-1 UUID generator, use it (but don't
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	481 # use UuidCreate here because its UUIDs don't conform to RFC 4122).
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	482 if _uuid_generate_time and node is clock_seq is None:
49794 3250fb71a9e0 Merged revisions 67318 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 42771 diff changeset	483 _buffer = ctypes.create_string_buffer(16)
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	484 _uuid_generate_time(_buffer)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	485 return UUID(bytes=_buffer.raw)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	486
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	487 global _last_timestamp
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	488 import time
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	489 nanoseconds = int(time.time() * 1e9)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	490 # 0x01b21dd213814000 is the number of 100-ns intervals between the
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	491 # UUID epoch 1582-10-15 00:00:00 and the Unix epoch 1970-01-01 00:00:00.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	492 timestamp = int(nanoseconds/100) + 0x01b21dd213814000L
39554 a87320ebd0e6 Bug #1541863: uuid.uuid1 failed to generate unique identifiers Martin v. Löwis <martin@v.loewis.de> parents: 39513 diff changeset	493 if timestamp <= _last_timestamp:
a87320ebd0e6 Bug #1541863: uuid.uuid1 failed to generate unique identifiers Martin v. Löwis <martin@v.loewis.de> parents: 39513 diff changeset	494 timestamp = _last_timestamp + 1
39513 9133076c0bf9 Update code and tests to support the 'bytes_le' attribute (for Ka-Ping Yee <ping@zesty.ca> parents: 39287 diff changeset	495 _last_timestamp = timestamp
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	496 if clock_seq is None:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	497 import random
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	498 clock_seq = random.randrange(1<<14L) # instead of stable storage
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	499 time_low = timestamp & 0xffffffffL
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	500 time_mid = (timestamp >> 32L) & 0xffffL
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	501 time_hi_version = (timestamp >> 48L) & 0x0fffL
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	502 clock_seq_low = clock_seq & 0xffL
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	503 clock_seq_hi_variant = (clock_seq >> 8L) & 0x3fL
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	504 if node is None:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	505 node = getnode()
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	506 return UUID(fields=(time_low, time_mid, time_hi_version,
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	507 clock_seq_hi_variant, clock_seq_low, node), version=1)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	508
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	509 def uuid3(namespace, name):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	510 """Generate a UUID from the MD5 hash of a namespace UUID and a name."""
41917 0e29bb80e227 Have md5 raise a DeprecationWarning as per PEP 4. Brett Cannon <bcannon@gmail.com> parents: 39554 diff changeset	511 from hashlib import md5
0e29bb80e227 Have md5 raise a DeprecationWarning as per PEP 4. Brett Cannon <bcannon@gmail.com> parents: 39554 diff changeset	512 hash = md5(namespace.bytes + name).digest()
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	513 return UUID(bytes=hash[:16], version=3)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	514
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	515 def uuid4():
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	516 """Generate a random UUID."""
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	517
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	518 # When the system provides a version-4 UUID generator, use it.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	519 if _uuid_generate_random:
49794 3250fb71a9e0 Merged revisions 67318 via svnmerge from Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 42771 diff changeset	520 _buffer = ctypes.create_string_buffer(16)
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	521 _uuid_generate_random(_buffer)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	522 return UUID(bytes=_buffer.raw)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	523
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	524 # Otherwise, get randomness from urandom or the 'random' module.
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	525 try:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	526 import os
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	527 return UUID(bytes=os.urandom(16), version=4)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	528 except:
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	529 import random
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	530 bytes = [chr(random.randrange(256)) for i in range(16)]
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	531 return UUID(bytes=bytes, version=4)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	532
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	533 def uuid5(namespace, name):
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	534 """Generate a UUID from the SHA-1 hash of a namespace UUID and a name."""
41924 b380c9c49738 Have the sha module raise a DeprecationWarning as specified in PEP 4. Brett Cannon <bcannon@gmail.com> parents: 41917 diff changeset	535 from hashlib import sha1
b380c9c49738 Have the sha module raise a DeprecationWarning as specified in PEP 4. Brett Cannon <bcannon@gmail.com> parents: 41917 diff changeset	536 hash = sha1(namespace.bytes + name).digest()
38783 765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	537 return UUID(bytes=hash[:16], version=5)
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	538
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	539 # The following standard UUIDs are for use with uuid3() or uuid5().
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	540
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	541 NAMESPACE_DNS = UUID('6ba7b810-9dad-11d1-80b4-00c04fd430c8')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	542 NAMESPACE_URL = UUID('6ba7b811-9dad-11d1-80b4-00c04fd430c8')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	543 NAMESPACE_OID = UUID('6ba7b812-9dad-11d1-80b4-00c04fd430c8')
765fb1ccc3d8 Added missing svn:eol-style property to text files. Tim Peters <tim.peters@gmail.com> parents: 38782 diff changeset	544 NAMESPACE_X500 = UUID('6ba7b814-9dad-11d1-80b4-00c04fd430c8')

Mercurial > cpython-lru_cache-weakref

annotate Lib/uuid.py @ 54294:dba767bc3155 legacy-trunk