The nova.openstack.common.timeutils Module

Time related utilities and helper functions.

advance_time_delta(timedelta)

Advance overridden time using a datetime.timedelta.

advance_time_seconds(seconds)

Advance overridden time by seconds.

clear_time_override()

Remove the overridden time.

delta_seconds(before, after)

Compute the difference in seconds between two date, time, or datetime objects (as a float, to microsecond resolution).

is_newer_than(after, seconds)

Return True if after is newer than seconds.

is_older_than(before, seconds)

Return True if before is older than seconds.

is_soon(dt, window)

Determines if time is going to happen in the next window seconds.

Params dt:the time Params window:minimum seconds to remain to consider the time not soon Returns:True if expiration is within the given duration

iso8601_from_timestamp(timestamp)

Returns a iso8601 formated date from timestamp

isotime(at=None)

Stringify time in ISO 8601 format

marshall_now(now=None)

Make an rpc-safe datetime with microseconds.

Note: tzinfo is stripped, but not required for relative times.

normalize_time(timestamp)

Normalize time in arbitrary timezone to UTC naive object

parse_isotime(timestr)

Parse time from ISO 8601 format

parse_strtime(timestr, fmt='%Y-%m-%dT%H:%M:%S.%f')

Turn a formatted time back into a datetime.

set_time_override(override_time=datetime.datetime(2013, 8, 8, 17, 41, 42, 648379))

Override utils.utcnow to return a constant time or a list thereof, one at a time.

strtime(at=None, fmt='%Y-%m-%dT%H:%M:%S.%f')

Returns formatted utcnow.

unmarshall_time(tyme)

Unmarshall a datetime dict.

utcnow()

Overridable version of utils.utcnow.

utcnow_ts()

Timestamp version of our utcnow function.