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from __future__ import annotations
from uuid import UUID
class TaskLookupError(LookupError):
"""Raised by a data store when it cannot find the requested task."""
def __init__(self, task_id: str):
super().__init__(f"No task by the id of {task_id!r} was found")
class ScheduleLookupError(LookupError):
"""Raised by a scheduler when it cannot find the requested schedule."""
def __init__(self, schedule_id: str):
super().__init__(f"No schedule by the id of {schedule_id!r} was found")
class JobLookupError(LookupError):
"""Raised when the job store cannot find a job for update or removal."""
def __init__(self, job_id: UUID):
super().__init__(f"No job by the id of {job_id} was found")
class JobResultNotReady(Exception):
"""
Raised by :meth:`~.schedulers.sync.Scheduler.get_job_result` if the job result is
not ready.
"""
def __init__(self, job_id: UUID):
super().__init__(f"No job by the id of {job_id} was found")
class JobCancelled(Exception):
"""
Raised by :meth:`~.schedulers.sync.Scheduler.get_job_result` if the job was
cancelled.
"""
class JobDeadlineMissed(Exception):
"""
Raised by :meth:`~.schedulers.sync.Scheduler.get_job_result` if the job failed to
start within the allotted time.
"""
class ConflictingIdError(KeyError):
"""
Raised when trying to add a schedule to a store that already contains a schedule by
that ID, and the conflict policy of ``exception`` is used.
"""
def __init__(self, schedule_id):
super().__init__(
f"This data store already contains a schedule with the identifier "
f"{schedule_id!r}"
)
class SerializationError(Exception):
"""Raised when a serializer fails to serialize the given object."""
class DeserializationError(Exception):
"""Raised when a serializer fails to deserialize the given object."""
class MaxIterationsReached(Exception):
"""
Raised when a trigger has reached its maximum number of allowed computation
iterations when trying to calculate the next fire time.
"""
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