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mylar/lib/apscheduler/jobstores/zookeeper.py

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IMP:New scheduler tab (Manage / Activity) where you can see job current run status', next runtime, and prev runtimes as well as force/pause a job, FIX: Disabling torrents will now properly hide torrent information, IMP: Specified daemon port for deluge as an on-screen tip for more detail, IMP: Added 100,200,ALL as viewable watchlist views, FIX: When viewing pullist and annual integration enabled, if annual was present would incorrectly link to invalid annual series instead of the actual series itself, IMP: Added more detail error messages to metatagging errors and better handling of stranded files during cleanup, IMP: Improved some handling for weekly pull-list one-off's and refactored the nzb/oneoff post-processing into a seperate function for future callables, Moved all the main url locations for public torrent sites to the init module so that it can be cascaded down for use in other modules instead as a global, IMP: Added a 'deep_search_32p' variable in the config.ini for specific usage with 32p, where if there is more than one result will dig deeper into each result to try and figure out if there are series matches, as opposed to the default where it will only use ref32p table if available or just the first hit in a multiple series search results and ignore the remainder, FIX:Fixed some unknown characters appearing in the pullist due to unicode-related conversion problems, FIX: fixed some special cases of file parsing errors due to Volume label being named different than expected, FIX: Added a 3s pause between experimental searches to try and not hit their frequency limitation, IMP: Weekly Pullist One-off's will now show status of Snatched/Downloaded as required, FIX: Fixed some deluge parameter problems when using auto-snatch torrent script/option, IMP: Changed the downlocation in the auto-snatch option to an env variable instead of being passed to avoid unicode-related problems, FIX: Fixed some magnet-related issues for torrents when using a watchdir + TPSE, FIX: Added more verbose error message for rtorrent connection issues, FIX: Could not connect to rtorrent client if no username/password were provided, IMP: Set the db updater to run every 5 minutes on the watchlist, automatically refreshing the oldest updated series each time that is more than 5 hours old (force db update from the activity/job schedulers page will run the db updater against the entire watchlist in sequence), IMP: Attempt to handle long paths in windows (ie. > 256c) by prepending the unicode windows api character to the import a directory path (windows only), IMP: When manual metatagging a series, will update the series after all the metatagging has been completed as opposed to after each issue, IMP: Will now display available inkdrops on Config/Search Providers tab when using 32P (future will utilize/indicate inkdrop threshold when downloading)
2017-09-10 15:50:08 +00:00
from __future__ import absolute_import
import os
from datetime import datetime
from pytz import utc
from kazoo.exceptions import NoNodeError, NodeExistsError
from apscheduler.jobstores.base import BaseJobStore, JobLookupError, ConflictingIdError
from apscheduler.util import maybe_ref, datetime_to_utc_timestamp, utc_timestamp_to_datetime
from apscheduler.job import Job
try:
import cPickle as pickle
except ImportError: # pragma: nocover
import pickle
try:
from kazoo.client import KazooClient
except ImportError: # pragma: nocover
raise ImportError('ZooKeeperJobStore requires Kazoo installed')
class ZooKeeperJobStore(BaseJobStore):
"""
Stores jobs in a ZooKeeper tree. Any leftover keyword arguments are directly passed to
kazoo's `KazooClient
<http://kazoo.readthedocs.io/en/latest/api/client.html>`_.
Plugin alias: ``zookeeper``
:param str path: path to store jobs in
:param client: a :class:`~kazoo.client.KazooClient` instance to use instead of
providing connection arguments
:param int pickle_protocol: pickle protocol level to use (for serialization), defaults to the
highest available
"""
def __init__(self, path='/apscheduler', client=None, close_connection_on_exit=False,
pickle_protocol=pickle.HIGHEST_PROTOCOL, **connect_args):
super(ZooKeeperJobStore, self).__init__()
self.pickle_protocol = pickle_protocol
self.close_connection_on_exit = close_connection_on_exit
if not path:
raise ValueError('The "path" parameter must not be empty')
self.path = path
if client:
self.client = maybe_ref(client)
else:
self.client = KazooClient(**connect_args)
self._ensured_path = False
def _ensure_paths(self):
if not self._ensured_path:
self.client.ensure_path(self.path)
self._ensured_path = True
def start(self, scheduler, alias):
super(ZooKeeperJobStore, self).start(scheduler, alias)
if not self.client.connected:
self.client.start()
def lookup_job(self, job_id):
self._ensure_paths()
node_path = os.path.join(self.path, job_id)
try:
content, _ = self.client.get(node_path)
doc = pickle.loads(content)
job = self._reconstitute_job(doc['job_state'])
return job
except:
return None
def get_due_jobs(self, now):
timestamp = datetime_to_utc_timestamp(now)
jobs = [job_def['job'] for job_def in self._get_jobs()
if job_def['next_run_time'] is not None and job_def['next_run_time'] <= timestamp]
return jobs
def get_next_run_time(self):
next_runs = [job_def['next_run_time'] for job_def in self._get_jobs()
if job_def['next_run_time'] is not None]
return utc_timestamp_to_datetime(min(next_runs)) if len(next_runs) > 0 else None
def get_all_jobs(self):
jobs = [job_def['job'] for job_def in self._get_jobs()]
self._fix_paused_jobs_sorting(jobs)
return jobs
def add_job(self, job):
self._ensure_paths()
node_path = os.path.join(self.path, str(job.id))
value = {
'next_run_time': datetime_to_utc_timestamp(job.next_run_time),
'job_state': job.__getstate__()
}
data = pickle.dumps(value, self.pickle_protocol)
try:
self.client.create(node_path, value=data)
except NodeExistsError:
raise ConflictingIdError(job.id)
def update_job(self, job):
self._ensure_paths()
node_path = os.path.join(self.path, str(job.id))
changes = {
'next_run_time': datetime_to_utc_timestamp(job.next_run_time),
'job_state': job.__getstate__()
}
data = pickle.dumps(changes, self.pickle_protocol)
try:
self.client.set(node_path, value=data)
except NoNodeError:
raise JobLookupError(job.id)
def remove_job(self, job_id):
self._ensure_paths()
node_path = os.path.join(self.path, str(job_id))
try:
self.client.delete(node_path)
except NoNodeError:
raise JobLookupError(job_id)
def remove_all_jobs(self):
try:
self.client.delete(self.path, recursive=True)
except NoNodeError:
pass
self._ensured_path = False
def shutdown(self):
if self.close_connection_on_exit:
self.client.stop()
self.client.close()
def _reconstitute_job(self, job_state):
job_state = job_state
job = Job.__new__(Job)
job.__setstate__(job_state)
job._scheduler = self._scheduler
job._jobstore_alias = self._alias
return job
def _get_jobs(self):
self._ensure_paths()
jobs = []
failed_job_ids = []
all_ids = self.client.get_children(self.path)
for node_name in all_ids:
try:
node_path = os.path.join(self.path, node_name)
content, _ = self.client.get(node_path)
doc = pickle.loads(content)
job_def = {
'job_id': node_name,
'next_run_time': doc['next_run_time'] if doc['next_run_time'] else None,
'job_state': doc['job_state'],
'job': self._reconstitute_job(doc['job_state']),
'creation_time': _.ctime
}
jobs.append(job_def)
except:
self._logger.exception('Unable to restore job "%s" -- removing it' % node_name)
failed_job_ids.append(node_name)
# Remove all the jobs we failed to restore
if failed_job_ids:
for failed_id in failed_job_ids:
self.remove_job(failed_id)
paused_sort_key = datetime(9999, 12, 31, tzinfo=utc)
return sorted(jobs, key=lambda job_def: (job_def['job'].next_run_time or paused_sort_key,
job_def['creation_time']))
def __repr__(self):
self._logger.exception('<%s (client=%s)>' % (self.__class__.__name__, self.client))
return '<%s (client=%s)>' % (self.__class__.__name__, self.client)