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authorMarko Kreen2013-04-30 10:57:14 +0000
committerMarko Kreen2013-04-30 11:59:59 +0000
commit45b06e693fdfbf9afd901bb9e6c49225496fbee3 (patch)
tree9a1c4f9e0c3989330c4e54bd3f9cb5526320878f
parent6ed9ca4be313697cdea9ed3a6d1e9d6c82ac1a86 (diff)
skytools.timeutil: make tests more robust
microsec -> float secs conversion can lose some precision
-rw-r--r--python/skytools/timeutil.py18
1 files changed, 12 insertions, 6 deletions
diff --git a/python/skytools/timeutil.py b/python/skytools/timeutil.py
index a29e050c..2ea63082 100644
--- a/python/skytools/timeutil.py
+++ b/python/skytools/timeutil.py
@@ -134,18 +134,24 @@ def datetime_to_timestamp(dt, local_time=True):
Returns seconds since epoch as float.
- >>> datetime_to_timestamp(parse_iso_timestamp("2005-06-01 15:00:59.33 +02"))
- 1117630859.33
- >>> datetime_to_timestamp(datetime.fromtimestamp(1117630859.33, UTC))
- 1117630859.33
- >>> datetime_to_timestamp(datetime.fromtimestamp(1117630859.33))
- 1117630859.33
+ >>> datetime_to_timestamp(parse_iso_timestamp("2005-06-01 15:00:59.5 +02"))
+ 1117630859.5
+ >>> datetime_to_timestamp(datetime.fromtimestamp(1117630859.5, UTC))
+ 1117630859.5
+ >>> datetime_to_timestamp(datetime.fromtimestamp(1117630859.5))
+ 1117630859.5
>>> now = datetime.utcnow()
>>> now2 = datetime.utcfromtimestamp(datetime_to_timestamp(now, False))
+ >>> abs(now2.microsecond - now.microsecond) < 100
+ True
+ >>> now2 = now2.replace(microsecond = now.microsecond)
>>> now == now2
True
>>> now = datetime.now()
>>> now2 = datetime.fromtimestamp(datetime_to_timestamp(now))
+ >>> abs(now2.microsecond - now.microsecond) < 100
+ True
+ >>> now2 = now2.replace(microsecond = now.microsecond)
>>> now == now2
True
"""