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Changeset 333

Timestamp:

04/29/10 09:57:52

Author:

haines

Message:

fix scanf_datetime() in procutil module to handle meaningless dates

Files:

r320	r333
1	1	#!/usr/bin/env python
2		# Last modified: Time-stamp: <2010-04-~~07 17:41:26~~ haines>
	2	# Last modified: Time-stamp: <2010-04-29 09:44:03 haines>
3	3	"""Utilities to help data processing
4	4
5	5	Mostly time functions right now
6	6
7		~~TO DO:~~
8		~~check_configs()~~
9		~~unit conversions (udunits?)~~
10	7	"""
11	8
…	…
122	119	# default string format follows convention YYYY-MM-DDThh:mm:ss
123	120
124		t = time.strptime(ts, fmt)
125		# the '*' operator unpacks the tuple, producing the argument list.
126		dt = datetime(*t[0:6])
	121	try:
	122	t = time.strptime(ts, fmt)
	123	# the '*' operator unpacks the tuple, producing the argument list.
	124	dt = datetime(*t[0:6])
	125	except ValueError, e:
	126	# value error if something not valid for datetime
	127	# e.g. month 1...12, something parsed wrong
	128	dt = None
	129	else:
	130	# absolute difference in days from now (UTC)
	131	z = dt - datetime.utcnow()
	132	daysdiff = abs(z.days)
	133	# if this date unreasonable (>10 years*365), throw it out
	134	# something parsed wrong
	135	if daysdiff > 3650:
	136	dt = None
	137
127	138	return dt
128	139