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| author | Victor Stinner <vstinner@redhat.com> | 2018-12-18 10:45:13 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-12-18 10:45:13 (GMT) |
| commit | 62a68b762a479a72c3defba9ace5f72a0063c5c6 (patch) | |
| tree | dcadb35bdadeaae4cd99842e65e2a3bf412336ec /Lib/uuid.py | |
| parent | 1dd035954bb03c41b954ebbd63969b4bcb0e106e (diff) | |
| download | cpython-62a68b762a479a72c3defba9ace5f72a0063c5c6.zip cpython-62a68b762a479a72c3defba9ace5f72a0063c5c6.tar.gz cpython-62a68b762a479a72c3defba9ace5f72a0063c5c6.tar.bz2 | |
bpo-31784: Use time.time_ns() in uuid.uuid1() (GH-11189)
uuid.uuid1() now calls time.time_ns() rather than
int(time.time() * 1e9). Replace also int(nanoseconds/100)
with nanoseconds // 100. Add an unit test.
Diffstat (limited to 'Lib/uuid.py')
| -rw-r--r-- | Lib/uuid.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Lib/uuid.py b/Lib/uuid.py index 073ca71..4468d4a 100644 --- a/Lib/uuid.py +++ b/Lib/uuid.py @@ -728,10 +728,10 @@ def uuid1(node=None, clock_seq=None): global _last_timestamp import time - nanoseconds = int(time.time() * 1e9) + nanoseconds = time.time_ns() # 0x01b21dd213814000 is the number of 100-ns intervals between the # UUID epoch 1582-10-15 00:00:00 and the Unix epoch 1970-01-01 00:00:00. - timestamp = int(nanoseconds/100) + 0x01b21dd213814000 + timestamp = nanoseconds // 100 + 0x01b21dd213814000 if _last_timestamp is not None and timestamp <= _last_timestamp: timestamp = _last_timestamp + 1 _last_timestamp = timestamp |