Initial Commit

lib/apscheduler/triggers/date.py

@@ -0,0 +1,30 @@
+from datetime import datetime
+
+from tzlocal import get_localzone
+
+from apscheduler.triggers.base import BaseTrigger
+from apscheduler.util import convert_to_datetime, datetime_repr, astimezone
+
+
+class DateTrigger(BaseTrigger):
+    """
+    Triggers once on the given datetime. If ``run_date`` is left empty, current time is used.
+
+    :param datetime|str run_date: the date/time to run the job at
+    :param datetime.tzinfo|str timezone: time zone for ``run_date`` if it doesn't have one already
+    """
+
+    __slots__ = 'timezone', 'run_date'
+
+    def __init__(self, run_date=None, timezone=None):
+        timezone = astimezone(timezone) or get_localzone()
+        self.run_date = convert_to_datetime(run_date or datetime.now(), timezone, 'run_date')
+
+    def get_next_fire_time(self, previous_fire_time, now):
+        return self.run_date if previous_fire_time is None else None
+
+    def __str__(self):
+        return 'date[%s]' % datetime_repr(self.run_date)
+
+    def __repr__(self):
+        return "<%s (run_date='%s')>" % (self.__class__.__name__, datetime_repr(self.run_date))