def Generate(self):
"""Generates transaction(s) for the current config entry.
One transaction per interval up to to and including the
target date. In normal operation zero or one transactions are
generated, but if processing has been delayed, more than one
transaction can be produced.
Returns a list of transaction strings ready for sorting and
output to a ledger file. Each one begins with a newline to
ensure it is separated by an empty line on output.
"""
Rv = []
TargetDateObject = self._Parent._TargetDateObject
Done = False
while not Done:
if self._DateObject > TargetDateObject: Done = True
else:
# Append transaction text.
Rv.append('\n' + self.TransactionText())
# Evaluate next posting date.
NewDateObject = Time.DateAddPeriod(self._DateObject, self._Period)
if NewDateObject <= self._DateObject:
_Throw("Period is negative or zero!")
self._DateObject = NewDateObject
self._DateStr = Time.DateToText(self._DateObject)
return Rv
