conddb_time Namespace Reference

Functions
def	from_lumi_time (lumiTime)
def	from_timestamp (ts)
def	string_from_timestamp (ts)
def	string_to_timestamp (sdt)
def	to_lumi_time (runNumber, lumiSectionId)
def	to_timestamp (dt)

Function Documentation

from_lumi_time()

def conddb_time.from_lumi_time

(

lumiTime

)

Definition at line 8 of file conddb_time.py.

def from_lumi_time( lumiTime ):
    run = lumiTime>>32
    lumisection_id = lumiTime-( run << 32 )
    return run, lumisection_id

from_timestamp()

def conddb_time.from_timestamp

(

ts

)

Definition at line 19 of file conddb_time.py.

References createfilelist.int.

Referenced by string_from_timestamp().

def from_timestamp( ts ):
    seconds_from_epoch = ts >> 32
    nanoseconds_from_epoch = ts - ( seconds_from_epoch << 32 )
    dt = datetime.datetime.utcfromtimestamp(seconds_from_epoch)
    return dt + datetime.timedelta( microseconds=int(nanoseconds_from_epoch/1000) )

string_from_timestamp()

def conddb_time.string_from_timestamp

(

ts

)

Definition at line 29 of file conddb_time.py.

References from_timestamp().

def string_from_timestamp( ts ):
    dt = from_timestamp( ts )
    return dt.strftime( datetime_string_fmt )

string_to_timestamp()

def conddb_time.string_to_timestamp

(

sdt

)

Definition at line 25 of file conddb_time.py.

References to_timestamp().

Referenced by conddb_version_mgr.version_db.insert_boost_run_range().

def string_to_timestamp( sdt ):
    dt = datetime.datetime.strptime( sdt, datetime_string_fmt )
    return to_timestamp( dt )

to_lumi_time()

def conddb_time.to_lumi_time	(		runNumber,
			lumiSectionId
	)

Definition at line 5 of file conddb_time.py.

def to_lumi_time( runNumber, lumiSectionId ):
    return (runNumber<<32) + lumiSectionId

to_timestamp()

def conddb_time.to_timestamp

(

dt

)

Definition at line 13 of file conddb_time.py.

References createfilelist.int.

Referenced by uploads.uploader.filter_iovs_by_fcsr(), models.generate(), uploads.log(), uploads.uploader.send_blob(), and string_to_timestamp().

def to_timestamp( dt ):
    timespan_from_epoch = dt - datetime.datetime(1970,1,1)
    seconds_from_epoch = int( timespan_from_epoch.total_seconds() )
    nanoseconds_from_epoch = timespan_from_epoch.microseconds * 1000
    return ( seconds_from_epoch << 32 ) + nanoseconds_from_epoch

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