Revision 1040
Added by Aaron Marcuse-Kubitza almost 13 years ago
| lib/dates.py | ||
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# Date/time manipulation |
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import datetime |
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import dateutil.tz |
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import time |
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epoch_year = datetime.datetime.utcfromtimestamp(0).year |
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utc = dateutil.tz.tzutc() |
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local = dateutil.tz.tzlocal() |
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def timestamp(datetime_): return time.mktime(datetime_.timetuple()) |
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def naive2utc(datetime_): |
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assert datetime_.tzinfo == None |
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return datetime_.replace(tzinfo=utc) |
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def aware2local(datetime_): return datetime_.astimezone(local) |
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def from_timestamp(utc_timestamp): |
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return naive2utc(datetime.datetime.utcfromtimestamp(utc_timestamp)) |
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def timestamp(datetime_): return time.mktime(aware2local(datetime_).timetuple()) |
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epoch = from_timestamp(0) |
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def now(): return datetime.datetime.now(utc) |
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def strftime(format, datetime_): |
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'''datetime.strftime() can't handle years before 1900''' |
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return (datetime_.replace(year=epoch_year, day=1).strftime(format
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return (datetime_.replace(year=epoch.year, day=1).strftime(format
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.replace('%Y', '%%Y')
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.replace('%d', '%%d')
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) |
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.replace('%Y', '%04d' % datetime_.year)
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.replace('%d', '%02d' % datetime_.day)
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) |
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def total_seconds(timedelta_): return timestamp(epoch + timedelta_) |
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Also available in: Unified diff
dates.py: Deal properly with different timezones by using external dateutil package. Added total_seconds() to replace datetime.timedelta.total_seconds() on Python before 2.7.