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"""
MIT License
Copyright (C) 2023 ROCKY4546
https://github.com/rocky4546
This file is part of Cabernet
Permission is hereby granted, free of charge, to any person obtaining a copy of this software
and associated documentation files (the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge, publish, distribute,
sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or
substantial portions of the Software.
"""
import datetime
import json
import logging
import threading
import lib.common.utils as utils
from lib.db.db_epg import DBepg
from lib.common.decorators import handle_url_except
from lib.common.decorators import handle_json_except
class PluginEPG:
def __init__(self, _instance_obj):
self.logger = logging.getLogger(__name__)
self.instance_obj = _instance_obj
self.config_obj = self.instance_obj.config_obj
self.instance_key = _instance_obj.instance_key
self.plugin_obj = _instance_obj.plugin_obj
self.db = DBepg(self.config_obj.data)
self.config_section = self.instance_obj.config_section
self.episode_adj = self.config_obj.data[self.instance_obj.config_section]\
.get('epg-episode_adjustment')
if self.episode_adj is None:
self.episode_adj = 0
else:
self.episode_adj = int(self.episode_adj)
def terminate(self):
"""
Removes all has a object from the object and calls any subclasses to also terminate
Not calling inherited class at this time
"""
self.logger = None
self.instance_obj = None
self.config_obj = None
self.instance_key = None
self.plugin_obj = None
self.db = None
self.config_section = None
self.episode_adj = None
@handle_url_except(timeout=10.0)
@handle_json_except
def get_uri_data(self, _uri, _retries, _header=None):
if _header is None:
header = {'User-agent': utils.DEFAULT_USER_AGENT}
else:
header = _header
resp = self.plugin_obj.http_session.get(_uri, headers=header, timeout=8)
x = resp.json()
resp.raise_for_status()
return x
def refresh_epg(self):
if not self.is_refresh_expired():
self.logger.debug('EPG still new for {} {}, not refreshing'.format(self.plugin_obj.name, self.instance_key))
return False
if not self.config_obj.data[self.instance_obj.config_section]['epg-enabled']:
self.logger.info('EPG Collection not enabled for {} {}'
.format(self.plugin_obj.name, self.instance_key))
return False
forced_dates, aging_dates = self.dates_to_pull()
self.db.del_old_programs(self.plugin_obj.name, self.instance_key)
for epg_day in forced_dates:
self.refresh_programs(epg_day, False)
for epg_day in aging_dates:
self.refresh_programs(epg_day, True)
self.logger.info('{}:{} EPG update completed'.format(self.plugin_obj.name, self.instance_key))
return True
def refresh_programs(self, _epg_day, use_cache=True):
"""
dummy method to be overridden
"""
pass
def get_channel_days(self, _zone, _uid, _days):
"""
For a channel (uid) in a zone (like a zipcode), return
a dict listed by day with all programs listed for that day within it.
This interface is for the epg plugins
"""
pass
def dates_to_pull(self):
"""
Returns the days to pull, if EPG is less than a day, then
override and return a simgle array value in force_days and an empty array in aging_days
"""
todaydate = datetime.date.today()
forced_days = []
aging_days = []
for x in range(0, self.config_obj.data[self.plugin_obj.name.lower()]['epg-days']):
if x < self.config_obj.data[self.plugin_obj.name.lower()]['epg-days_start_refresh']:
forced_days.append(todaydate + datetime.timedelta(days=x))
else:
aging_days.append(todaydate + datetime.timedelta(days=x))
return forced_days, aging_days
def is_refresh_expired(self):
"""
Makes it so the minimum epg update rate
can only occur based on epg_min_refresh_rate
"""
todaydate = datetime.datetime.utcnow().date()
last_update = self.db.get_last_update(self.plugin_obj.name, self.instance_key, todaydate)
if not last_update:
return True
expired_date = datetime.datetime.now() - datetime.timedelta(
seconds=self.config_obj.data[
self.instance_obj.config_section]['epg-min_refresh_rate'])
if last_update < expired_date:
return True
return False
def check_logger_refresh(self):
if not self.logger.isEnabledFor(40):
self.logger = logging.getLogger(__name__ + str(threading.get_ident()))
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