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Live with that "the hardware address" is an ill-defined

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concept, and that different ways of trying to find "the
hardware address" may return different results.  Certainly
true on both of my Windows boxes, and in different ways
(see whining on python-dev).
This commit is contained in:
Tim Peters 2006-07-28 04:51:59 +00:00
parent df80af7659
commit 750c4420a8
3 changed files with 38 additions and 20 deletions
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15
Lib/uuid.py
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@ -362,6 +362,10 @@ try:
# 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:
@ -389,10 +393,13 @@ def _random_getnode():
_node = None
def getnode():
"""Get the hardware address as a 48-bit 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."""
"""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: