mirror of https://github.com/evilhero/mylar
66 lines
1.7 KiB
Python
Executable File
66 lines
1.7 KiB
Python
Executable File
"""
|
|
Stores jobs in a file governed by the :mod:`shelve` module.
|
|
"""
|
|
|
|
import shelve
|
|
import pickle
|
|
import random
|
|
import logging
|
|
|
|
from lib.apscheduler.jobstores.base import JobStore
|
|
from lib.apscheduler.job import Job
|
|
from lib.apscheduler.util import itervalues
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class ShelveJobStore(JobStore):
|
|
MAX_ID = 1000000
|
|
|
|
def __init__(self, path, pickle_protocol=pickle.HIGHEST_PROTOCOL):
|
|
self.jobs = []
|
|
self.path = path
|
|
self.pickle_protocol = pickle_protocol
|
|
self.store = shelve.open(path, 'c', self.pickle_protocol)
|
|
|
|
def _generate_id(self):
|
|
id = None
|
|
while not id:
|
|
id = str(random.randint(1, self.MAX_ID))
|
|
if not id in self.store:
|
|
return id
|
|
|
|
def add_job(self, job):
|
|
job.id = self._generate_id()
|
|
self.jobs.append(job)
|
|
self.store[job.id] = job.__getstate__()
|
|
|
|
def update_job(self, job):
|
|
job_dict = self.store[job.id]
|
|
job_dict['next_run_time'] = job.next_run_time
|
|
job_dict['runs'] = job.runs
|
|
self.store[job.id] = job_dict
|
|
|
|
def remove_job(self, job):
|
|
del self.store[job.id]
|
|
self.jobs.remove(job)
|
|
|
|
def load_jobs(self):
|
|
jobs = []
|
|
for job_dict in itervalues(self.store):
|
|
try:
|
|
job = Job.__new__(Job)
|
|
job.__setstate__(job_dict)
|
|
jobs.append(job)
|
|
except Exception:
|
|
job_name = job_dict.get('name', '(unknown)')
|
|
logger.exception('Unable to restore job "%s"', job_name)
|
|
|
|
self.jobs = jobs
|
|
|
|
def close(self):
|
|
self.store.close()
|
|
|
|
def __repr__(self):
|
|
return '<%s (path=%s)>' % (self.__class__.__name__, self.path)
|