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# -*- coding: utf-8 -*-
# loadingscheduler.py
# This file is part of Qarte-3
#
# Author: Vincent Vande Vyvre <vincent.vandevyvre@oqapy.eu>
# Copyright: 2016-2017 Vincent Vande Vyvre
# Licence: GPL3
# Home page: https://launchpad.net/qarte
#
# Deferred downloading scheduler
import sys
import os
import time
import pwd
import json
import pickle
import locale
import logging
lgg = logging.getLogger(__name__)
from datetime import datetime
from threading import Thread
from PyQt5.QtWidgets import QApplication
from gui.schedulerdialog import SchedulerDialog
from pycrontab import PyCronTab
class LoadingScheduler:
def __init__(self, core, video=None):
self.core = core
self.ui = core.ui
self.video = video
self.lang = core.cfg['lang']
self.logfile = os.path.join(core.workspace['user'], 'daemon.log')
self.cron_cmd = core.cfg['crontab_cmd']
self.expired = []
self.edit_tasks()
self.load_task_file()
self.dialog = SchedulerDialog(self, core.ui)
if video:
self.set_video_item(video)
self.dialog.log_editor.set_log_filename(self.logfile)
self.dialog.log_editor.load_log()
self.dialog.show()
self.show_tasks()
rep = self.dialog.exec_()
def create_task(self):
if self.dialog.arteconcert_rdo.isChecked():
self.create_concert_task()
return
order = self.get_new_order()
dial = self.dialog
new = {}
if dial.fname_rdo.isChecked():
new['title'] = self.video.title
new['fname'] = self.sanitize_file_name(dial.fname_led.text())
new['stream'] = self.video.streams[self.video.quality]["url"]
new['quality'] = self.video.quality
new['type'] = 0
elif dial.serial_rdo.isChecked():
name = dial.serials_cmb.currentText()
if 'GEO' in name:
new['kwords'] = '360 geo'
new['type'] = 2
else:
new['title'] = dial.serials_cmb.currentText()
new['type'] = 1
else:
kwords = self.get_keywords(dial.kwords_led.text())
if not kwords:
return
new['kwords'] = kwords
new['type'] = 2
new['all'] = False
if new['type']:
new['all'] = dial.all_rdo.isChecked()
if dial.date_rdo.isChecked():
date, time = self.get_task_date()
if not self.check_datetime(date, time):
dial.set_invalid_date_warning()
return
new['date'] = (date.day(), date.month(), date.year())
new['time'] = (time.hour(), time.minute())
else:
new['date'] = dial.week_cmb.currentIndex()
time = dial.time_spb_2.time()
new['time'] = (time.hour(), time.minute())
self.tasks[order] = new
self.save_task_file()
self.register_task(order, new)
#{order: {title: bla,
# fname: file/name, no file name with serial and kwords
# type: 0=video name, 1=serial name, 2=kwords, 3=concert
# all: True, False
# date: date as tuple(D, M, Y) or weekly
# time: time as tuple(H, M), None
# mp4url: http:........,
# quality: if not mp4url,
# kwords: []}}
def create_concert_task(self):
order = self.get_new_order()
dial = self.dialog
new = {}
new['title'] = self.video.title
new['fname'] = self.sanitize_file_name(dial.fname_led.text())
new['stream'] = self.video.qualities[self.video.quality]["url"]
new['type'] = 3
self.tasks[order] = new
date, time = self.get_task_date()
if not self.check_datetime(date, time):
dial.set_invalid_date_warning()
return
new['date'] = (date.day(), date.month(), date.year())
new['time'] = (time.hour(), time.minute())
self.tasks[order] = new
self.save_task_file()
self.register_task(order, new)
def get_task_date(self):
date = self.dialog.date_spb.date()
time = self.dialog.time_spb.time()
return date, time
def get_stream_url(self):
quality = self.dialog.quality_cmb.currentText()
return quality
def load_task_file(self):
fld = self.core.workspace['user']
path = os.path.join(fld, 'tasks.json')
self.tasks = False
if os.path.isfile(path):
lgg.info('Load task file: %s' % path)
try:
with open(path, 'r') as objfile:
cnt = objfile.read()
self.tasks = json.loads(cnt)
except Exception as why:
lgg.warning("Read error from: {0},".format(path))
lgg.warning("reason: {0}.".format(why))
if self.tasks:
self.clean_tasks()
else:
self.tasks = {}
def save_task_file(self):
fld = self.core.workspace['user']
path = os.path.join(fld, 'tasks.json')
lgg.info('Save task file: %s' % path)
jsn = json.dumps(self.tasks, sort_keys=True, indent=4,
separators=(',', ': '), ensure_ascii=False)
try:
with open(path, 'wb') as outfile:
outfile.write(jsn.encode('utf-8', 'replace'))
except Exception as why:
lgg.warning("Write error: {0}".format(path))
lgg.warning("reason: {0}".format(why))
def set_video_item(self, video):
self.video = video
self.dialog.configure(video)
def get_new_order(self):
if not self.tasks:
return '001'
last = sorted(self.tasks.keys())[-1]
return "%03d" % (int(last) + 1)
def sanitize_file_name(self, name):
return name
def get_keywords(self, line):
return [i.lower() for i in line.split(' ')]
def check_datetime(self, d, t):
"""Check if date and time of cron are not too short.
Args:
d -- QDate
t -- QTime
Returns:
False if datetime is too short, True otherwise
"""
now = datetime.now()
dt = datetime(d.year(), d.month(), d.day(), t.hour(), t.minute(), 0)
if now >= dt:
return False
return True
def clean_tasks(self):
expired = []
for key, value in self.tasks.items():
if isinstance(value['date'], int):
# Permanent task
continue
d, m, y = value['date']
h, mn = value['time']
if datetime(y, m, d, h, mn, 0) < datetime.now():
expired.append(key)
if expired:
for key in expired:
self.tasks.pop(key)
self.tab.remove_task(key)
self.tab.write_crontab()
self.tab.clean_crontab(self.tasks.keys())
def show_tasks(self):
lgg.info('Show tasks: %s' % len(self.tasks))
keys = sorted(self.tasks.keys())
for key in keys:
self.dialog.tasks_tree.set_single_task(key, self.tasks[key])
def set_selection_mode(self):
lgg.info('Enter in selection mode')
self.core.is_interact_with_dialog = True
self.dialog.hide()
def call_settings_dialog(self):
try:
_ = self.video.category
self.core.artelive.configure_downloading(self.video)
except AttributeError:
self.core.artetv.configure_downloading(self.video)
def edit_tasks(self):
self.tab = PyCronTab()
isread = self.tab.read_crontab()
if isread is not None:
lgg.warning('Error when reading crontab:\n\t%s' % isread)
def register_task(self, idx, task):
lgg.info('Register task: %s' % idx)
cmd = self.get_command(idx)
self.tab.add_new_task(cmd, task['date'], task['time'])
self.tab.write_crontab()
self.dialog.tasks_tree.set_single_task(idx, task)
def remove_task(self, idx):
self.tasks.pop(idx)
self.tab.remove_task(idx)
self.tab.write_crontab()
def get_command(self, index):
"""Create the command for crontab.
"""
#'export DISPLAY=:0 & LC_CTYPE="<lang>" Lang="<lang>"
# qarte -a <ID> >> "<log>" 2>&1'
#'export DISPLAY=:0 & LC_CTYPE="fr_BE.utf-8" Lang="fr_BE.utf-8"
# qarte -a 002 >> "path/to/log.log" 2>&1'
lng, cod = locale.getdefaultlocale()
lang = ".".join([lng, cod.lower()])
return self.cron_cmd.replace('<lang>', lang)\
.replace('<ID>', index)\
.replace('<log>', self.logfile)
# Devel usage
class TaskEditor(object):
def _write(self):
def write(*args):
self.tab.write()
# To avoid an 'error: (4, 'System call interrupted')' the crontab
# must be created in separate process
Thread(target=write, args=(None,)).start()
class Core:
def __init__(self):
self.ui = None
ws = os.path.expanduser("~") + "/qarte-3/wspace"
self.workspace = {'user': ws}
self.cfg = {'lang': 'fr',
'crontab_cmd': 'export DISPLAY=:0 & LC_CTYPE="<lang>" Lang="<lang>"'\
' <root> -a <ID> >> "<log>" 2>&1'}
video = {'id': '047593-001-A', 'title': 'Mousson'}
item = TVItem(video)
ls = LoadingScheduler(self, item)
class TVItem:
"""Define a video item.
"""
def __init__(self, attr, lang='fr'):
self.idx = attr['id']
self.title = attr['title']
# Very short description
#self.teaser = attr['teaser']
#self.sched = attr['scheduled_on']
#self.expire = self.format_expiration_date(attr['rights_end'])
self.date = '2016-05-18 13:34:52'
self.duration = '43 min. 7 sec.'
self.url = 'http://www.arte.tv/guide/fr/047593-001-A/mousson?autoplay=1'
#self.subtitle = attr['subtitle']
#self.adult = attr['adult']
#self.pix_url = attr['thumbnail_url']
#self.pixmap = None
# description, origin and anno must be extracted from the video page
#self.description = ''
#self.origin = ''
#self.anno = ''
#self.views = attr['views']
self.streams = {'HTTP_MP4_EQ_1': {'url': 'http://arte.gl-systemhaus.de/am/tvguide/ALL/066311-002-A_EQ_2_VOF-STF_02373307_MP4-1500_AMM-Tvguide.mp4'}}
self.quality = 'HTTP_MP4_EQ_1'
self.lang = lang
self.set_file_name()
def set_file_name(self):
f = self.title.replace('/', '-').replace('»', '_').replace('«', '_')
self.fname = f.replace('\\', ' ')
if __name__ == '__main__':
app = QApplication(sys.argv)
c = Core()
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