lsst.daf.base.dateTime.dateTimeContinued.DateTime Class Reference

Public Member Functions
	toPython (self, timescale=None)
	toAstropy (self, timescale=None)
	__repr__ (self)
	__reduce__ (self)

Detailed Description

Definition at line 31 of file dateTimeContinued.py.

Member Function Documentation

__reduce__()

lsst.daf.base.dateTime.dateTimeContinued.DateTime.__reduce__

(

self

)

Definition at line 80 of file dateTimeContinued.py.

    def __reduce__(self):
        return (DateTime, (self.nsecs(), ))

__repr__()

lsst.daf.base.dateTime.dateTimeContinued.DateTime.__repr__

(

self

)

Definition at line 74 of file dateTimeContinued.py.

    def __repr__(self):
        if self.isValid():
            return "DateTime(\"{}\", TAI)".format(self.toString(DateTime.TAI))
        else:
            return "DateTime()"
 

toAstropy()

lsst.daf.base.dateTime.dateTimeContinued.DateTime.toAstropy	(		self,
			timescale = None )

Convert a DateTime to an astropy Time.

Returns
-------
time : `astropy.time.Time`
    This date as an astropy MJD/TAI time.

Raises
------
ValueError
    Raised if the DateTime is invalid (uninitialized).

Definition at line 57 of file dateTimeContinued.py.

    def toAstropy(self, timescale=None):
        """Convert a DateTime to an astropy Time.
 
        Returns
        -------
        time : `astropy.time.Time`
            This date as an astropy MJD/TAI time.
 
        Raises
        ------
        ValueError
            Raised if the DateTime is invalid (uninitialized).
        """
        # So that astropy is not an import-time dependency of daf_base.
        import astropy.time
        return astropy.time.Time(self.get(system=DateTime.MJD, scale=DateTime.TAI), scale="tai", format="mjd")
 

toPython()

lsst.daf.base.dateTime.dateTimeContinued.DateTime.toPython	(		self,
			timescale = None )

Convert a DateTime to Python's datetime

Parameters
----------
timescale : `dateTime.DateTime.Timescale`, optional
    Timescale for resultant datetime.

Returns
-------
datetime : `datetime.datetime`
    The resultant Python `datetime.datetime` object.

Raises
------
ValueError
    Raised if the DateTime is invalid (uninitialized).

Definition at line 33 of file dateTimeContinued.py.

    def toPython(self, timescale=None):
        """Convert a DateTime to Python's datetime
 
        Parameters
        ----------
        timescale : `dateTime.DateTime.Timescale`, optional
            Timescale for resultant datetime.
 
        Returns
        -------
        datetime : `datetime.datetime`
            The resultant Python `datetime.datetime` object.
 
        Raises
        ------
        ValueError
            Raised if the DateTime is invalid (uninitialized).
        """
        import datetime
        if not self.isValid():
            raise RuntimeError("DateTime not valid")
        nsecs = self.nsecs(timescale) if timescale is not None else self.nsecs()
        return datetime.datetime.utcfromtimestamp(nsecs/10**9)
 

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The documentation for this class was generated from the following file:

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-8.0.0/Linux64/daf_base/gb0e22166c9+25ba2f69a1/python/lsst/daf/base/dateTime/dateTimeContinued.py