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Code Issues Releases Wiki Activity

Merge new worker thread

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This commit is contained in:
OzzieIsaacs 2020-08-29 11:14:52 +02:00
commit 9e5cad0dc8
12 changed files with 724 additions and 704 deletions
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1
cps/__init__.py
View File

@ -102,7 +102,6 @@ def create_app():
web_server.init_app(app, config)
calibre_db.setup_db(config, cli.settingspath)
calibre_db.start()
babel.init_app(app)
_BABEL_TRANSLATIONS.update(str(item) for item in babel.list_translations())

33
cps/db.py
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@ -24,7 +24,6 @@ import re
import ast
import json
from datetime import datetime
import threading
from sqlalchemy import create_engine
from sqlalchemy import Table, Column, ForeignKey, CheckConstraint
@ -32,7 +31,6 @@ from sqlalchemy import String, Integer, Boolean, TIMESTAMP, Float
from sqlalchemy.orm import relationship, sessionmaker, scoped_session
from sqlalchemy.orm.collections import InstrumentedList
from sqlalchemy.ext.declarative import declarative_base, DeclarativeMeta
from sqlalchemy.exc import OperationalError
from sqlalchemy.pool import StaticPool
from flask_login import current_user
from sqlalchemy.sql.expression import and_, true, false, text, func, or_
@ -400,43 +398,14 @@ class AlchemyEncoder(json.JSONEncoder):
return json.JSONEncoder.default(self, obj)
class CalibreDB(threading.Thread):
class CalibreDB():
def __init__(self):
threading.Thread.__init__(self)
self.engine = None
self.session = None
self.queue = None
self.log = None
self.config = None
def add_queue(self,queue):
self.queue = queue
self.log = logger.create()
def run(self):
while True:
i = self.queue.get()
if i == 'dummy':
self.queue.task_done()
break
if i['task'] == 'add_format':
cur_book = self.session.query(Books).filter(Books.id == i['id']).first()
cur_book.data.append(i['format'])
try:
# db.session.merge(cur_book)
self.session.commit()
except OperationalError as e:
self.session.rollback()
self.log.error("Database error: %s", e)
# self._handleError(_(u"Database error: %(error)s.", error=e))
# return
self.queue.task_done()
def stop(self):
self.queue.put('dummy')
def setup_db(self, config, app_db_path):
self.config = config
self.dispose()

12
cps/editbooks.py
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@ -34,8 +34,10 @@ from flask_login import current_user, login_required
from sqlalchemy.exc import OperationalError
from . import constants, logger, isoLanguages, gdriveutils, uploader, helper
from . import config, get_locale, ub, worker, db
from . import config, get_locale, ub, db
from . import calibre_db
from .services.worker import WorkerThread
from .tasks.upload import TaskUpload
from .web import login_required_if_no_ano, render_title_template, edit_required, upload_required
@ -544,8 +546,8 @@ def upload_single_file(request, book, book_id):
# Queue uploader info
uploadText=_(u"File format %(ext)s added to %(book)s", ext=file_ext.upper(), book=book.title)
worker.add_upload(current_user.nickname,
"<a href=\"" + url_for('web.show_book', book_id=book.id) + "\">" + uploadText + "</a>")
WorkerThread.add(current_user.nickname, TaskUpload(
"<a href=\"" + url_for('web.show_book', book_id=book.id) + "\">" + uploadText + "</a>"))
return uploader.process(
saved_filename, *os.path.splitext(requested_file.filename),
@ -889,8 +891,8 @@ def upload():
if error:
flash(error, category="error")
uploadText=_(u"File %(file)s uploaded", file=title)
worker.add_upload(current_user.nickname,
"<a href=\"" + url_for('web.show_book', book_id=book_id) + "\">" + uploadText + "</a>")
WorkerThread.add(current_user.nickname, TaskUpload(
"<a href=\"" + url_for('web.show_book', book_id=book_id) + "\">" + uploadText + "</a>"))
if len(request.files.getlist("btn-upload")) < 2:
if current_user.role_edit() or current_user.role_admin():

91
cps/helper.py
View File

@ -39,6 +39,7 @@ from sqlalchemy.sql.expression import true, false, and_, text, func
from werkzeug.datastructures import Headers
from werkzeug.security import generate_password_hash
from . import calibre_db
from .tasks.convert import TaskConvert
try:
from urllib.parse import quote
@ -58,12 +59,12 @@ try:
except ImportError:
use_PIL = False
from . import logger, config, get_locale, db, ub, worker
from . import logger, config, get_locale, db, ub
from . import gdriveutils as gd
from .constants import STATIC_DIR as _STATIC_DIR
from .subproc_wrapper import process_wait
from .worker import STAT_WAITING, STAT_FAIL, STAT_STARTED, STAT_FINISH_SUCCESS
from .worker import TASK_EMAIL, TASK_CONVERT, TASK_UPLOAD, TASK_CONVERT_ANY
from .services.worker import WorkerThread, STAT_WAITING, STAT_FAIL, STAT_STARTED, STAT_FINISH_SUCCESS
from .tasks.email import TaskEmail
log = logger.create()
@ -101,7 +102,7 @@ def convert_book_format(book_id, calibrepath, old_book_format, new_book_format,
txt = (u"%s -> %s: %s" % (old_book_format, new_book_format, book.title))
settings['old_book_format'] = old_book_format
settings['new_book_format'] = new_book_format
worker.add_convert(file_path, book.id, user_id, txt, settings, kindle_mail)
WorkerThread.add(user_id, TaskConvert(file_path, book.id, txt, settings, kindle_mail))
return None
else:
error_message = _(u"%(format)s not found: %(fn)s",
@ -110,9 +111,9 @@ def convert_book_format(book_id, calibrepath, old_book_format, new_book_format,
def send_test_mail(kindle_mail, user_name):
worker.add_email(_(u'Calibre-Web test e-mail'), None, None,
config.get_mail_settings(), kindle_mail, user_name,
_(u"Test e-mail"), _(u'This e-mail has been sent via Calibre-Web.'))
WorkerThread.add(user_name, TaskEmail(_(u'Calibre-Web test e-mail'), None, None,
config.get_mail_settings(), kindle_mail, _(u"Test e-mail"),
_(u'This e-mail has been sent via Calibre-Web.')))
return
@ -127,9 +128,16 @@ def send_registration_mail(e_mail, user_name, default_password, resend=False):
text += "Don't forget to change your password after first login.\r\n"
text += "Sincerely\r\n\r\n"
text += "Your Calibre-Web team"
worker.add_email(_(u'Get Started with Calibre-Web'), None, None,
config.get_mail_settings(), e_mail, None,
_(u"Registration e-mail for user: %(name)s", name=user_name), text)
WorkerThread.add(None, TaskEmail(
subject=_(u'Get Started with Calibre-Web'),
filepath=None,
attachment=None,
settings=config.get_mail_settings(),
recipient=e_mail,
taskMessage=_(u"Registration e-mail for user: %(name)s", name=user_name),
text=text
))
return
@ -221,9 +229,9 @@ def send_mail(book_id, book_format, convert, kindle_mail, calibrepath, user_id):
for entry in iter(book.data):
if entry.format.upper() == book_format.upper():
converted_file_name = entry.name + '.' + book_format.lower()
worker.add_email(_(u"Send to Kindle"), book.path, converted_file_name,
config.get_mail_settings(), kindle_mail, user_id,
_(u"E-mail: %(book)s", book=book.title), _(u'This e-mail has been sent via Calibre-Web.'))
WorkerThread.add(user_id, TaskEmail(_(u"Send to Kindle"), book.path, converted_file_name,
config.get_mail_settings(), kindle_mail,
_(u"E-mail: %(book)s", book=book.title), _(u'This e-mail has been sent via Calibre-Web.')))
return
return _(u"The requested file could not be read. Maybe wrong permissions?")
@ -722,47 +730,30 @@ def format_runtime(runtime):
# helper function to apply localize status information in tasklist entries
def render_task_status(tasklist):
renderedtasklist = list()
for task in tasklist:
if task['user'] == current_user.nickname or current_user.role_admin():
if task['formStarttime']:
task['starttime'] = format_datetime(task['formStarttime'], format='short', locale=get_locale())
# task2['formStarttime'] = ""
else:
if 'starttime' not in task:
task['starttime'] = ""
if 'formRuntime' not in task:
task['runtime'] = ""
else:
task['runtime'] = format_runtime(task['formRuntime'])
for num, user, added, task in tasklist:
if user == current_user.nickname or current_user.role_admin():
ret = {}
if task.start_time:
ret['starttime'] = format_datetime(task.start_time, format='short', locale=get_locale())
ret['runtime'] = format_runtime(task.runtime)
# localize the task status
if isinstance(task['stat'], int):
if task['stat'] == STAT_WAITING:
task['status'] = _(u'Waiting')
elif task['stat'] == STAT_FAIL:
task['status'] = _(u'Failed')
elif task['stat'] == STAT_STARTED:
task['status'] = _(u'Started')
elif task['stat'] == STAT_FINISH_SUCCESS:
task['status'] = _(u'Finished')
if isinstance(task.stat, int):
if task.stat == STAT_WAITING:
ret['status'] = _(u'Waiting')
elif task.stat == STAT_FAIL:
ret['status'] = _(u'Failed')
elif task.stat == STAT_STARTED:
ret['status'] = _(u'Started')
elif task.stat == STAT_FINISH_SUCCESS:
ret['status'] = _(u'Finished')
else:
task['status'] = _(u'Unknown Status')
ret['status'] = _(u'Unknown Status')
# localize the task type
if isinstance(task['taskType'], int):
if task['taskType'] == TASK_EMAIL:
task['taskMessage'] = _(u'E-mail: ') + task['taskMess']
elif task['taskType'] == TASK_CONVERT:
task['taskMessage'] = _(u'Convert: ') + task['taskMess']
elif task['taskType'] == TASK_UPLOAD:
task['taskMessage'] = _(u'Upload: ') + task['taskMess']
elif task['taskType'] == TASK_CONVERT_ANY:
task['taskMessage'] = _(u'Convert: ') + task['taskMess']
else:
task['taskMessage'] = _(u'Unknown Task: ') + task['taskMess']
renderedtasklist.append(task)
ret['taskMessage'] = "{}: {}".format(_(task.name), task.message)
ret['progress'] = "{} %".format(int(task.progress * 100))
ret['user'] = user
renderedtasklist.append(ret)
return renderedtasklist

3
cps/server.py
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@ -200,9 +200,6 @@ class WebServer(object):
def stop(self, restart=False):
from . import updater_thread
updater_thread.stop()
from . import calibre_db
calibre_db.stop()
log.info("webserver stop (restart=%s)", restart)
self.restart = restart

207
cps/services/worker.py Normal file
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@ -0,0 +1,207 @@
from __future__ import division, print_function, unicode_literals
import threading
import abc
import uuid
try:
import queue
except ImportError:
import Queue as queue
from datetime import datetime, timedelta
from collections import namedtuple
from cps import calibre_db
from cps import logger
log = logger.create()
# task 'status' consts
STAT_WAITING = 0
STAT_FAIL = 1
STAT_STARTED = 2
STAT_FINISH_SUCCESS = 3
# Only retain this many tasks in dequeued list
TASK_CLEANUP_TRIGGER = 20
QueuedTask = namedtuple('QueuedTask', 'num, user, added, task')
def _get_main_thread():
for t in threading.enumerate():
if t.__class__.__name__ == '_MainThread':
return t
raise Exception("main thread not found?!")
class ImprovedQueue(queue.Queue):
def to_list(self):
"""
Returns a copy of all items in the queue without removing them.
"""
with self.mutex:
return list(self.queue)
#Class for all worker tasks in the background
class WorkerThread(threading.Thread):
_instance = None
@classmethod
def getInstance(cls):
if cls._instance is None:
cls._instance = WorkerThread()
return cls._instance
def __init__(self):
threading.Thread.__init__(self)
self.dequeued = list()
self.doLock = threading.Lock()
self.queue = ImprovedQueue()
self.num = 0
self.start()
@classmethod
def add(cls, user, task):
ins = cls.getInstance()
ins.num += 1
ins.queue.put(QueuedTask(
num=ins.num,
user=user,
added=datetime.now(),
task=task,
))
@property
def tasks(self):
with self.doLock:
tasks = self.queue.to_list() + self.dequeued
return sorted(tasks, key=lambda x: x.num)
# Main thread loop starting the different tasks
def run(self):
main_thread = _get_main_thread()
while main_thread.is_alive():
item = self.queue.get()
with self.doLock:
# once we hit our trigger, start cleaning up dead tasks
if len(self.dequeued) > TASK_CLEANUP_TRIGGER:
dead = []
alive = []
for x in self.dequeued:
(dead if x.task.dead else alive).append(x)
# if the ones that we need to keep are within the trigger, do nothing else
delta = len(self.dequeued) - len(dead)
if delta > TASK_CLEANUP_TRIGGER:
ret = alive
else:
# otherwise, lop off the oldest dead tasks until we hit the target trigger
ret = sorted(dead, key=lambda x: x.task.end_time)[-TASK_CLEANUP_TRIGGER:] + alive
self.dequeued = sorted(ret, key=lambda x: x.num)
# add to list so that in-progress tasks show up
self.dequeued.append(item)
# sometimes tasks (like Upload) don't actually have work to do and are created as already finished
if item.task.stat is STAT_WAITING:
# CalibreTask.start() should wrap all exceptions in it's own error handling
item.task.start(self)
self.queue.task_done()
class CalibreTask:
__metaclass__ = abc.ABCMeta
def __init__(self, message):
self._progress = 0
self.stat = STAT_WAITING
self.error = None
self.start_time = None
self.end_time = None
self.message = message
self.id = uuid.uuid4()
@abc.abstractmethod
def run(self, worker_thread):
"""Provides the caller some human-readable name for this class"""
raise NotImplementedError
@abc.abstractmethod
def name(self):
"""Provides the caller some human-readable name for this class"""
raise NotImplementedError
def start(self, *args):
self.start_time = datetime.now()
self.stat = STAT_STARTED
# catch any unhandled exceptions in a task and automatically fail it
try:
self.run(*args)
except Exception as e:
self._handleError(str(e))
log.exception(e)
self.end_time = datetime.now()
@property
def stat(self):
return self._stat
@stat.setter
def stat(self, x):
self._stat = x
@property
def progress(self):
return self._progress
@progress.setter
def progress(self, x):
if not 0 <= x <= 1:
raise ValueError("Task progress should within [0, 1] range")
self._progress = x
@property
def error(self):
return self._error
@error.setter
def error(self, x):
self._error = x
@property
def runtime(self):
return (self.end_time or datetime.now()) - self.start_time
@property
def dead(self):
"""Determines whether or not this task can be garbage collected
We have a separate dictating this because there may be certain tasks that want to override this
"""
# By default, we're good to clean a task if it's "Done"
return self.stat in (STAT_FINISH_SUCCESS, STAT_FAIL)
@progress.setter
def progress(self, x):
# todo: throw error if outside of [0,1]
self._progress = x
def _handleError(self, error_message):
log.error(error_message)
self.stat = STAT_FAIL
self.progress = 1
self.error = error_message
def _handleSuccess(self):
self.stat = STAT_FINISH_SUCCESS
self.progress = 1

0
cps/tasks/__init__.py Normal file
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201
cps/tasks/convert.py Normal file
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@ -0,0 +1,201 @@
from __future__ import division, print_function, unicode_literals
import sys
import os
import re
from glob import glob
from shutil import copyfile
from sqlalchemy.exc import SQLAlchemyError
from cps.services.worker import CalibreTask, STAT_FINISH_SUCCESS
from cps import calibre_db, db
from cps import logger, config
from cps.subproc_wrapper import process_open
from flask_babel import gettext as _
from cps.tasks.email import TaskEmail
from cps import gdriveutils
log = logger.create()
class TaskConvert(CalibreTask):
def __init__(self, file_path, bookid, taskMessage, settings, kindle_mail):
super(TaskConvert, self).__init__(taskMessage)
self.file_path = file_path
self.bookid = bookid
self.settings = settings
self.kindle_mail = kindle_mail
self.results = dict()
def run(self, worker_thread):
self.worker_thread = worker_thread
filename = self._convert_ebook_format()
if filename:
if config.config_use_google_drive:
gdriveutils.updateGdriveCalibreFromLocal()
if self.kindle_mail:
# if we're sending to kindle after converting, create a one-off task and run it immediately
# todo: figure out how to incorporate this into the progress
try:
task = TaskEmail(self.settings['subject'], self.results["path"],
filename, self.settings, self.kindle_mail,
self.settings['subject'], self.settings['body'], internal=True)
task.start(worker_thread)
# even though the convert task might be finished, if this task fails, fail the whole thing
if task.stat != STAT_FINISH_SUCCESS:
raise Exception(task.error)
except Exception as e:
return self._handleError(str(e))
def _convert_ebook_format(self):
error_message = None
file_path = self.file_path
book_id = self.bookid
format_old_ext = u'.' + self.settings['old_book_format'].lower()
format_new_ext = u'.' + self.settings['new_book_format'].lower()
# check to see if destination format already exists -
# if it does - mark the conversion task as complete and return a success
# this will allow send to kindle workflow to continue to work
if os.path.isfile(file_path + format_new_ext):
log.info("Book id %d already converted to %s", book_id, format_new_ext)
cur_book = calibre_db.get_book(book_id)
self.results['path'] = file_path
self.results['title'] = cur_book.title
self._handleSuccess()
return file_path + format_new_ext
else:
log.info("Book id %d - target format of %s does not exist. Moving forward with convert.",
book_id,
format_new_ext)
if config.config_kepubifypath and format_old_ext == '.epub' and format_new_ext == '.kepub':
check, error_message = self._convert_kepubify(file_path,
format_old_ext,
format_new_ext)
else:
# check if calibre converter-executable is existing
if not os.path.exists(config.config_converterpath):
# ToDo Text is not translated
self._handleError(_(u"Calibre ebook-convert %(tool)s not found", tool=config.config_converterpath))
return
check, error_message = self._convert_calibre(file_path, format_old_ext, format_new_ext)
if check == 0:
cur_book = calibre_db.get_book(book_id)
if os.path.isfile(file_path + format_new_ext):
# self.db_queue.join()
new_format = db.Data(name=cur_book.data[0].name,
book_format=self.settings['new_book_format'].upper(),
book=book_id, uncompressed_size=os.path.getsize(file_path + format_new_ext))
cur_book.data.append(new_format)
try:
# db.session.merge(cur_book)
calibre_db.session.commit()
except SQLAlchemyError as e:
calibre_db.session.rollback()
log.error("Database error: %s", e)
return
self.results['path'] = cur_book.path
self.results['title'] = cur_book.title
if config.config_use_google_drive:
os.remove(file_path + format_old_ext)
self._handleSuccess()
return file_path + format_new_ext
else:
error_message = _('%(format)s format not found on disk', format=format_new_ext.upper())
log.info("ebook converter failed with error while converting book")
if not error_message:
error_message = _('Ebook converter failed with unknown error')
self._handleError(error_message)
return
def _convert_kepubify(self, file_path, format_old_ext, format_new_ext):
quotes = [1, 3]
command = [config.config_kepubifypath, (file_path + format_old_ext), '-o', os.path.dirname(file_path)]
try:
p = process_open(command, quotes)
except OSError as e:
return 1, _(u"Kepubify-converter failed: %(error)s", error=e)
self.progress = 0.01
while True:
nextline = p.stdout.readlines()
nextline = [x.strip('\n') for x in nextline if x != '\n']
if sys.version_info < (3, 0):
nextline = [x.decode('utf-8') for x in nextline]
for line in nextline:
log.debug(line)
if p.poll() is not None:
break
# ToD Handle
# process returncode
check = p.returncode
# move file
if check == 0:
converted_file = glob(os.path.join(os.path.dirname(file_path), "*.kepub.epub"))
if len(converted_file) == 1:
copyfile(converted_file[0], (file_path + format_new_ext))
os.unlink(converted_file[0])
else:
return 1, _(u"Converted file not found or more than one file in folder %(folder)s",
folder=os.path.dirname(file_path))
return check, None
def _convert_calibre(self, file_path, format_old_ext, format_new_ext):
try:
# Linux py2.7 encode as list without quotes no empty element for parameters
# linux py3.x no encode and as list without quotes no empty element for parameters
# windows py2.7 encode as string with quotes empty element for parameters is okay
# windows py 3.x no encode and as string with quotes empty element for parameters is okay
# separate handling for windows and linux
quotes = [1, 2]
command = [config.config_converterpath, (file_path + format_old_ext),
(file_path + format_new_ext)]
quotes_index = 3
if config.config_calibre:
parameters = config.config_calibre.split(" ")
for param in parameters:
command.append(param)
quotes.append(quotes_index)
quotes_index += 1
p = process_open(command, quotes)
except OSError as e:
return 1, _(u"Ebook-converter failed: %(error)s", error=e)
while p.poll() is None:
nextline = p.stdout.readline()
if os.name == 'nt' and sys.version_info < (3, 0):
nextline = nextline.decode('windows-1252')
elif os.name == 'posix' and sys.version_info < (3, 0):
nextline = nextline.decode('utf-8')
log.debug(nextline.strip('\r\n'))
# parse progress string from calibre-converter
progress = re.search(r"(\d+)%\s.*", nextline)
if progress:
self.progress = int(progress.group(1)) / 100
# process returncode
check = p.returncode
calibre_traceback = p.stderr.readlines()
error_message = ""
for ele in calibre_traceback:
if sys.version_info < (3, 0):
ele = ele.decode('utf-8')
log.debug(ele.strip('\n'))
if not ele.startswith('Traceback') and not ele.startswith(' File'):
error_message = _("Calibre failed with error: %(error)s", ele.strip('\n'))
return check, error_message
@property
def name(self):
return "Convert"

238
cps/tasks/email.py Normal file
View File

@ -0,0 +1,238 @@
from __future__ import division, print_function, unicode_literals
import sys
import os
import smtplib
import threading
import socket
try:
from StringIO import StringIO
from email.MIMEBase import MIMEBase
from email.MIMEMultipart import MIMEMultipart
from email.MIMEText import MIMEText
except ImportError:
from io import StringIO
from email.mime.base import MIMEBase
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email import encoders
from email.utils import formatdate, make_msgid
from email.generator import Generator
from cps.services.worker import CalibreTask
from cps import logger, config
from cps import gdriveutils
log = logger.create()
CHUNKSIZE = 8192
# Class for sending email with ability to get current progress
class EmailBase:
transferSize = 0
progress = 0
def data(self, msg):
self.transferSize = len(msg)
(code, resp) = smtplib.SMTP.data(self, msg)
self.progress = 0
return (code, resp)
def send(self, strg):
"""Send `strg' to the server."""
log.debug('send: %r', strg[:300])
if hasattr(self, 'sock') and self.sock:
try:
if self.transferSize:
lock=threading.Lock()
lock.acquire()
self.transferSize = len(strg)
lock.release()
for i in range(0, self.transferSize, CHUNKSIZE):
if isinstance(strg, bytes):
self.sock.send((strg[i:i + CHUNKSIZE]))
else:
self.sock.send((strg[i:i + CHUNKSIZE]).encode('utf-8'))
lock.acquire()
self.progress = i
lock.release()
else:
self.sock.sendall(strg.encode('utf-8'))
except socket.error:
self.close()
raise smtplib.SMTPServerDisconnected('Server not connected')
else:
raise smtplib.SMTPServerDisconnected('please run connect() first')
@classmethod
def _print_debug(cls, *args):
log.debug(args)
def getTransferStatus(self):
if self.transferSize:
lock2 = threading.Lock()
lock2.acquire()
value = int((float(self.progress) / float(self.transferSize))*100)
lock2.release()
return value / 100
else:
return 1
# Class for sending email with ability to get current progress, derived from emailbase class
class Email(EmailBase, smtplib.SMTP):
def __init__(self, *args, **kwargs):
smtplib.SMTP.__init__(self, *args, **kwargs)
# Class for sending ssl encrypted email with ability to get current progress, , derived from emailbase class
class EmailSSL(EmailBase, smtplib.SMTP_SSL):
def __init__(self, *args, **kwargs):
smtplib.SMTP_SSL.__init__(self, *args, **kwargs)
class TaskEmail(CalibreTask):
def __init__(self, subject, filepath, attachment, settings, recipient, taskMessage, text, internal=False):
super(TaskEmail, self).__init__(taskMessage)
self.subject = subject
self.attachment = attachment
self.settings = settings
self.filepath = filepath
self.recipent = recipient
self.text = text
self.asyncSMTP = None
self.results = dict()
def run(self, worker_thread):
# create MIME message
msg = MIMEMultipart()
msg['Subject'] = self.subject
msg['Message-Id'] = make_msgid('calibre-web')
msg['Date'] = formatdate(localtime=True)
text = self.text
msg.attach(MIMEText(text.encode('UTF-8'), 'plain', 'UTF-8'))
if self.attachment:
result = self._get_attachment(self.filepath, self.attachment)
if result:
msg.attach(result)
else:
self._handleError(u"Attachment not found")
return
msg['From'] = self.settings["mail_from"]
msg['To'] = self.recipent
use_ssl = int(self.settings.get('mail_use_ssl', 0))
try:
# convert MIME message to string
fp = StringIO()
gen = Generator(fp, mangle_from_=False)
gen.flatten(msg)
msg = fp.getvalue()
# send email
timeout = 600 # set timeout to 5mins
# redirect output to logfile on python2 pn python3 debugoutput is caught with overwritten
# _print_debug function
if sys.version_info < (3, 0):
org_smtpstderr = smtplib.stderr
smtplib.stderr = logger.StderrLogger('worker.smtp')
if use_ssl == 2:
self.asyncSMTP = EmailSSL(self.settings["mail_server"], self.settings["mail_port"],
timeout=timeout)
else:
self.asyncSMTP = Email(self.settings["mail_server"], self.settings["mail_port"], timeout=timeout)
# link to logginglevel
if logger.is_debug_enabled():
self.asyncSMTP.set_debuglevel(1)
if use_ssl == 1:
self.asyncSMTP.starttls()
if self.settings["mail_password"]:
self.asyncSMTP.login(str(self.settings["mail_login"]), str(self.settings["mail_password"]))
self.asyncSMTP.sendmail(self.settings["mail_from"], self.recipent, msg)
self.asyncSMTP.quit()
self._handleSuccess()
if sys.version_info < (3, 0):
smtplib.stderr = org_smtpstderr
except (MemoryError) as e:
log.exception(e)
self._handleError(u'MemoryError sending email: ' + str(e))
return None
except (smtplib.SMTPException, smtplib.SMTPAuthenticationError) as e:
if hasattr(e, "smtp_error"):
text = e.smtp_error.decode('utf-8').replace("\n", '. ')
elif hasattr(e, "message"):
text = e.message
else:
log.exception(e)
text = ''
self._handleError(u'Smtplib Error sending email: ' + text)
return None
except (socket.error) as e:
self._handleError(u'Socket Error sending email: ' + e.strerror)
return None
@property
def progress(self):
if self.asyncSMTP is not None:
return self.asyncSMTP.getTransferStatus()
else:
return self._progress
@progress.setter
def progress(self, x):
"""This gets explicitly set when handle(Success|Error) are called. In this case, remove the SMTP connection"""
if x == 1:
self.asyncSMTP = None
self._progress = x
@classmethod
def _get_attachment(cls, bookpath, filename):
"""Get file as MIMEBase message"""
calibrepath = config.config_calibre_dir
if config.config_use_google_drive:
df = gdriveutils.getFileFromEbooksFolder(bookpath, filename)
if df:
datafile = os.path.join(calibrepath, bookpath, filename)
if not os.path.exists(os.path.join(calibrepath, bookpath)):
os.makedirs(os.path.join(calibrepath, bookpath))
df.GetContentFile(datafile)
else:
return None
file_ = open(datafile, 'rb')
data = file_.read()
file_.close()
os.remove(datafile)
else:
try:
file_ = open(os.path.join(calibrepath, bookpath, filename), 'rb')
data = file_.read()
file_.close()
except IOError as e:
log.exception(e)
log.error(u'The requested file could not be read. Maybe wrong permissions?')
return None
attachment = MIMEBase('application', 'octet-stream')
attachment.set_payload(data)
encoders.encode_base64(attachment)
attachment.add_header('Content-Disposition', 'attachment',
filename=filename)
return attachment
@property
def name(self):
return "Email"

19
cps/tasks/upload.py Normal file
View File

@ -0,0 +1,19 @@
from __future__ import division, print_function, unicode_literals
from datetime import datetime
from cps.services.worker import CalibreTask, STAT_FINISH_SUCCESS
class TaskUpload(CalibreTask):
def __init__(self, taskMessage):
super(TaskUpload, self).__init__(taskMessage)
self.start_time = self.end_time = datetime.now()
self.stat = STAT_FINISH_SUCCESS
self.progress = 1
def run(self, worker_thread):
"""Upload task doesn't have anything to do, it's simply a way to add information to the task list"""
pass
@property
def name(self):
return "Upload"

21
cps/web.py
View File

@ -33,7 +33,7 @@ import re
from babel.dates import format_date
from babel import Locale as LC
from babel.core import UnknownLocaleError
from flask import Blueprint
from flask import Blueprint, jsonify
from flask import render_template, request, redirect, send_from_directory, make_response, g, flash, abort, url_for
from flask_babel import gettext as _
from flask_login import login_user, logout_user, login_required, current_user, confirm_login
@ -42,6 +42,9 @@ from sqlalchemy.sql.expression import text, func, true, false, not_, and_, or_
from sqlalchemy.orm.attributes import flag_modified
from werkzeug.exceptions import default_exceptions, InternalServerError
from sqlalchemy.sql.functions import coalesce
from .services.worker import WorkerThread
try:
from werkzeug.exceptions import FailedDependency
except ImportError:
@ -49,11 +52,11 @@ except ImportError:
from werkzeug.datastructures import Headers
from werkzeug.security import generate_password_hash, check_password_hash
from . import constants, logger, isoLanguages, services, worker, cli
from . import constants, logger, isoLanguages, services
from . import searched_ids, lm, babel, db, ub, config, get_locale, app
from . import calibre_db
from .gdriveutils import getFileFromEbooksFolder, do_gdrive_download
from .helper import check_valid_domain, render_task_status, json_serial, \
from .helper import check_valid_domain, render_task_status, \
get_cc_columns, get_book_cover, get_download_link, send_mail, generate_random_password, \
send_registration_mail, check_send_to_kindle, check_read_formats, tags_filters, reset_password
from .pagination import Pagination
@ -376,12 +379,8 @@ def import_ldap_users():
@web.route("/ajax/emailstat")
@login_required
def get_email_status_json():
tasks = worker.get_taskstatus()
answer = render_task_status(tasks)
js = json.dumps(answer, default=json_serial)
response = make_response(js)
response.headers["Content-Type"] = "application/json; charset=utf-8"
return response
tasks = WorkerThread.getInstance().tasks
return jsonify(render_task_status(tasks))
@web.route("/ajax/bookmark/<int:book_id>/<book_format>", methods=['POST'])
@ -1173,7 +1172,7 @@ def category_list():
@login_required
def get_tasks_status():
# if current user admin, show all email, otherwise only own emails
tasks = worker.get_taskstatus()
tasks = WorkerThread.getInstance().tasks
answer = render_task_status(tasks)
return render_title_template('tasks.html', entries=answer, title=_(u"Tasks"), page="tasks")
@ -1686,6 +1685,7 @@ def profile():
title=_(u"%(name)s's profile", name=current_user.nickname), page="me",
kobo_support=kobo_support,
registered_oauth=local_oauth_check, oauth_status=oauth_status)
current_user.email = to_save["email"]
if "nickname" in to_save and to_save["nickname"] != current_user.nickname:
# Query User nickname, if not existing, change
if not ub.session.query(ub.User).filter(ub.User.nickname == to_save["nickname"]).scalar():
@ -1702,7 +1702,6 @@ def profile():
title=_(u"Edit User %(nick)s",
nick=current_user.nickname),
page="edituser")
current_user.email = to_save["email"]
if "show_random" in to_save and to_save["show_random"] == "on":
current_user.random_books = 1
if "default_language" in to_save:

602
cps/worker.py
View File

@ -1,602 +0,0 @@
# -*- coding: utf-8 -*-
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
# Copyright (C) 2018-2019 OzzieIsaacs, bodybybuddha, janeczku
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import division, print_function, unicode_literals
import sys
import os
import re
import smtplib
import socket
import time
import threading
try:
import queue
except ImportError:
import Queue as queue
from glob import glob
from shutil import copyfile
from datetime import datetime
try:
from StringIO import StringIO
from email.MIMEBase import MIMEBase
from email.MIMEMultipart import MIMEMultipart
from email.MIMEText import MIMEText
except ImportError:
from io import StringIO
from email.mime.base import MIMEBase
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email import encoders
from email.utils import formatdate
from email.utils import make_msgid
from email.generator import Generator
from flask_babel import gettext as _
from . import calibre_db, db
from . import logger, config
from .subproc_wrapper import process_open
from . import gdriveutils
log = logger.create()
chunksize = 8192
# task 'status' consts
STAT_WAITING = 0
STAT_FAIL = 1
STAT_STARTED = 2
STAT_FINISH_SUCCESS = 3
#taskType consts
TASK_EMAIL = 1
TASK_CONVERT = 2
TASK_UPLOAD = 3
TASK_CONVERT_ANY = 4
RET_FAIL = 0
RET_SUCCESS = 1
def _get_main_thread():
for t in threading.enumerate():
if t.__class__.__name__ == '_MainThread':
return t
raise Exception("main thread not found?!")
# For gdrive download book from gdrive to calibredir (temp dir for books), read contents in both cases and append
# it in MIME Base64 encoded to
def get_attachment(bookpath, filename):
"""Get file as MIMEBase message"""
calibrepath = config.config_calibre_dir
if config.config_use_google_drive:
df = gdriveutils.getFileFromEbooksFolder(bookpath, filename)
if df:
datafile = os.path.join(calibrepath, bookpath, filename)
if not os.path.exists(os.path.join(calibrepath, bookpath)):
os.makedirs(os.path.join(calibrepath, bookpath))
df.GetContentFile(datafile)
else:
return None
file_ = open(datafile, 'rb')
data = file_.read()
file_.close()
os.remove(datafile)
else:
try:
file_ = open(os.path.join(calibrepath, bookpath, filename), 'rb')
data = file_.read()
file_.close()
except IOError as e:
log.exception(e)
log.error(u'The requested file could not be read. Maybe wrong permissions?')
return None
attachment = MIMEBase('application', 'octet-stream')
attachment.set_payload(data)
encoders.encode_base64(attachment)
attachment.add_header('Content-Disposition', 'attachment',
filename=filename)
return attachment
# Class for sending email with ability to get current progress
class emailbase():
transferSize = 0
progress = 0
def data(self, msg):
self.transferSize = len(msg)
(code, resp) = smtplib.SMTP.data(self, msg)
self.progress = 0
return (code, resp)
def send(self, strg):
"""Send `strg' to the server."""
log.debug('send: %r', strg[:300])
if hasattr(self, 'sock') and self.sock:
try:
if self.transferSize:
lock=threading.Lock()
lock.acquire()
self.transferSize = len(strg)
lock.release()
for i in range(0, self.transferSize, chunksize):
if isinstance(strg, bytes):
self.sock.send((strg[i:i+chunksize]))
else:
self.sock.send((strg[i:i + chunksize]).encode('utf-8'))
lock.acquire()
self.progress = i
lock.release()
else:
self.sock.sendall(strg.encode('utf-8'))
except socket.error:
self.close()
raise smtplib.SMTPServerDisconnected('Server not connected')
else:
raise smtplib.SMTPServerDisconnected('please run connect() first')
@classmethod
def _print_debug(self, *args):
log.debug(args)
def getTransferStatus(self):
if self.transferSize:
lock2 = threading.Lock()
lock2.acquire()
value = int((float(self.progress) / float(self.transferSize))*100)
lock2.release()
return str(value) + ' %'
else:
return "100 %"
# Class for sending email with ability to get current progress, derived from emailbase class
class email(emailbase, smtplib.SMTP):
def __init__(self, *args, **kwargs):
smtplib.SMTP.__init__(self, *args, **kwargs)
# Class for sending ssl encrypted email with ability to get current progress, , derived from emailbase class
class email_SSL(emailbase, smtplib.SMTP_SSL):
def __init__(self, *args, **kwargs):
smtplib.SMTP_SSL.__init__(self, *args, **kwargs)
#Class for all worker tasks in the background
class WorkerThread(threading.Thread):
def __init__(self):
threading.Thread.__init__(self)
self.status = 0
self.current = 0
self.last = 0
self.queue = list()
self.UIqueue = list()
self.asyncSMTP = None
self.id = 0
self.db_queue = queue.Queue()
calibre_db.add_queue(self.db_queue)
self.doLock = threading.Lock()
# Main thread loop starting the different tasks
def run(self):
main_thread = _get_main_thread()
while main_thread.is_alive():
try:
self.doLock.acquire()
if self.current != self.last:
index = self.current
log.info(index)
log.info(len(self.queue))
self.doLock.release()
if self.queue[index]['taskType'] == TASK_EMAIL:
self._send_raw_email()
elif self.queue[index]['taskType'] in (TASK_CONVERT, TASK_CONVERT_ANY):
self._convert_any_format()
# TASK_UPLOAD is handled implicitly
self.doLock.acquire()
self.current += 1
if self.current > self.last:
self.current = self.last
self.doLock.release()
else:
self.doLock.release()
except Exception as e:
log.exception(e)
self.doLock.release()
if main_thread.is_alive():
time.sleep(1)
def get_send_status(self):
if self.asyncSMTP:
return self.asyncSMTP.getTransferStatus()
else:
return "0 %"
def _delete_completed_tasks(self):
for index, task in reversed(list(enumerate(self.UIqueue))):
if task['progress'] == "100 %":
# delete tasks
self.queue.pop(index)
self.UIqueue.pop(index)
# if we are deleting entries before the current index, adjust the index
if index <= self.current and self.current:
self.current -= 1
self.last = len(self.queue)
def get_taskstatus(self):
self.doLock.acquire()
if self.current < len(self.queue):
if self.UIqueue[self.current]['stat'] == STAT_STARTED:
if self.queue[self.current]['taskType'] == TASK_EMAIL:
self.UIqueue[self.current]['progress'] = self.get_send_status()
self.UIqueue[self.current]['formRuntime'] = datetime.now() - self.queue[self.current]['starttime']
self.UIqueue[self.current]['rt'] = self.UIqueue[self.current]['formRuntime'].days*24*60 \
+ self.UIqueue[self.current]['formRuntime'].seconds \
+ self.UIqueue[self.current]['formRuntime'].microseconds
self.doLock.release()
return self.UIqueue
def _convert_any_format(self):
# convert book, and upload in case of google drive
self.doLock.acquire()
index = self.current
self.doLock.release()
self.UIqueue[index]['stat'] = STAT_STARTED
self.queue[index]['starttime'] = datetime.now()
self.UIqueue[index]['formStarttime'] = self.queue[index]['starttime']
curr_task = self.queue[index]['taskType']
filename = self._convert_ebook_format()
if filename:
if config.config_use_google_drive:
gdriveutils.updateGdriveCalibreFromLocal()
if curr_task == TASK_CONVERT:
self.add_email(self.queue[index]['settings']['subject'], self.queue[index]['path'],
filename, self.queue[index]['settings'], self.queue[index]['kindle'],
self.UIqueue[index]['user'], self.queue[index]['title'],
self.queue[index]['settings']['body'], internal=True)
def _convert_ebook_format(self):
error_message = None
self.doLock.acquire()
index = self.current
self.doLock.release()
file_path = self.queue[index]['file_path']
book_id = self.queue[index]['bookid']
format_old_ext = u'.' + self.queue[index]['settings']['old_book_format'].lower()
format_new_ext = u'.' + self.queue[index]['settings']['new_book_format'].lower()
# check to see if destination format already exists -
# if it does - mark the conversion task as complete and return a success
# this will allow send to kindle workflow to continue to work
if os.path.isfile(file_path + format_new_ext):
log.info("Book id %d already converted to %s", book_id, format_new_ext)
cur_book = calibre_db.get_book(book_id)
self.queue[index]['path'] = file_path
self.queue[index]['title'] = cur_book.title
self._handleSuccess()
return file_path + format_new_ext
else:
log.info("Book id %d - target format of %s does not exist. Moving forward with convert.",
book_id,
format_new_ext)
if config.config_kepubifypath and format_old_ext == '.epub' and format_new_ext == '.kepub':
check, error_message = self._convert_kepubify(file_path,
format_old_ext,
format_new_ext,
index)
else:
# check if calibre converter-executable is existing
if not os.path.exists(config.config_converterpath):
# ToDo Text is not translated
self._handleError(_(u"Calibre ebook-convert %(tool)s not found", tool=config.config_converterpath))
return
check, error_message = self._convert_calibre(file_path, format_old_ext, format_new_ext, index)
if check == 0:
cur_book = calibre_db.get_book(book_id)
if os.path.isfile(file_path + format_new_ext):
# self.db_queue.join()
new_format = db.Data(name=cur_book.data[0].name,
book_format=self.queue[index]['settings']['new_book_format'].upper(),
book=book_id, uncompressed_size=os.path.getsize(file_path + format_new_ext))
task = {'task':'add_format','id': book_id, 'format': new_format}
self.db_queue.put(task)
# To Do how to handle error?
'''cur_book.data.append(new_format)
try:
# db.session.merge(cur_book)
calibre_db.session.commit()
except OperationalError as e:
calibre_db.session.rollback()
log.error("Database error: %s", e)
self._handleError(_(u"Database error: %(error)s.", error=e))
return'''
self.queue[index]['path'] = cur_book.path
self.queue[index]['title'] = cur_book.title
if config.config_use_google_drive:
os.remove(file_path + format_old_ext)
self._handleSuccess()
return file_path + format_new_ext
else:
error_message = format_new_ext.upper() + ' format not found on disk'
log.info("ebook converter failed with error while converting book")
if not error_message:
error_message = 'Ebook converter failed with unknown error'
self._handleError(error_message)
return
def _convert_calibre(self, file_path, format_old_ext, format_new_ext, index):
try:
# Linux py2.7 encode as list without quotes no empty element for parameters
# linux py3.x no encode and as list without quotes no empty element for parameters
# windows py2.7 encode as string with quotes empty element for parameters is okay
# windows py 3.x no encode and as string with quotes empty element for parameters is okay
# separate handling for windows and linux
quotes = [1, 2]
command = [config.config_converterpath, (file_path + format_old_ext),
(file_path + format_new_ext)]
quotes_index = 3
if config.config_calibre:
parameters = config.config_calibre.split(" ")
for param in parameters:
command.append(param)
quotes.append(quotes_index)
quotes_index += 1
p = process_open(command, quotes)
except OSError as e:
return 1, _(u"Ebook-converter failed: %(error)s", error=e)
while p.poll() is None:
nextline = p.stdout.readline()
if os.name == 'nt' and sys.version_info < (3, 0):
nextline = nextline.decode('windows-1252')
elif os.name == 'posix' and sys.version_info < (3, 0):
nextline = nextline.decode('utf-8')
log.debug(nextline.strip('\r\n'))
# parse progress string from calibre-converter
progress = re.search(r"(\d+)%\s.*", nextline)
if progress:
self.UIqueue[index]['progress'] = progress.group(1) + ' %'
# process returncode
check = p.returncode
calibre_traceback = p.stderr.readlines()
error_message = ""
for ele in calibre_traceback:
if sys.version_info < (3, 0):
ele = ele.decode('utf-8')
log.debug(ele.strip('\n'))
if not ele.startswith('Traceback') and not ele.startswith(' File'):
error_message = "Calibre failed with error: %s" % ele.strip('\n')
return check, error_message
def _convert_kepubify(self, file_path, format_old_ext, format_new_ext, index):
quotes = [1, 3]
command = [config.config_kepubifypath, (file_path + format_old_ext), '-o', os.path.dirname(file_path)]
try:
p = process_open(command, quotes)
except OSError as e:
return 1, _(u"Kepubify-converter failed: %(error)s", error=e)
self.UIqueue[index]['progress'] = '1 %'
while True:
nextline = p.stdout.readlines()
nextline = [x.strip('\n') for x in nextline if x != '\n']
if sys.version_info < (3, 0):
nextline = [x.decode('utf-8') for x in nextline]
for line in nextline:
log.debug(line)
if p.poll() is not None:
break
# ToD Handle
# process returncode
check = p.returncode
# move file
if check == 0:
converted_file = glob(os.path.join(os.path.dirname(file_path), "*.kepub.epub"))
if len(converted_file) == 1:
copyfile(converted_file[0], (file_path + format_new_ext))
os.unlink(converted_file[0])
else:
return 1, _(u"Converted file not found or more than one file in folder %(folder)s",
folder=os.path.dirname(file_path))
return check, None
def add_convert(self, file_path, bookid, user_name, taskMessage, settings, kindle_mail=None):
self.doLock.acquire()
if self.last >= 20:
self._delete_completed_tasks()
# progress, runtime, and status = 0
self.id += 1
task = TASK_CONVERT_ANY
if kindle_mail:
task = TASK_CONVERT
self.queue.append({'file_path':file_path, 'bookid':bookid, 'starttime': 0, 'kindle': kindle_mail,
'taskType': task, 'settings':settings})
self.UIqueue.append({'user': user_name, 'formStarttime': '', 'progress': " 0 %", 'taskMess': taskMessage,
'runtime': '0 s', 'stat': STAT_WAITING,'id': self.id, 'taskType': task } )
self.last=len(self.queue)
self.doLock.release()
def add_email(self, subject, filepath, attachment, settings, recipient, user_name, taskMessage,
text, internal=False):
# if more than 20 entries in the list, clean the list
self.doLock.acquire()
if self.last >= 20:
self._delete_completed_tasks()
if internal:
self.current-= 1
# progress, runtime, and status = 0
self.id += 1
self.queue.append({'subject':subject, 'attachment':attachment, 'filepath':filepath,
'settings':settings, 'recipent':recipient, 'starttime': 0,
'taskType': TASK_EMAIL, 'text':text})
self.UIqueue.append({'user': user_name, 'formStarttime': '', 'progress': " 0 %", 'taskMess': taskMessage,
'runtime': '0 s', 'stat': STAT_WAITING,'id': self.id, 'taskType': TASK_EMAIL })
self.last=len(self.queue)
self.doLock.release()
def add_upload(self, user_name, taskMessage):
# if more than 20 entries in the list, clean the list
self.doLock.acquire()
if self.last >= 20:
self._delete_completed_tasks()
# progress=100%, runtime=0, and status finished
self.id += 1
starttime = datetime.now()
self.queue.append({'starttime': starttime, 'taskType': TASK_UPLOAD})
self.UIqueue.append({'user': user_name, 'formStarttime': starttime, 'progress': "100 %", 'taskMess': taskMessage,
'runtime': '0 s', 'stat': STAT_FINISH_SUCCESS,'id': self.id, 'taskType': TASK_UPLOAD})
self.last=len(self.queue)
self.doLock.release()
def _send_raw_email(self):
self.doLock.acquire()
index = self.current
self.doLock.release()
self.queue[index]['starttime'] = datetime.now()
self.UIqueue[index]['formStarttime'] = self.queue[index]['starttime']
self.UIqueue[index]['stat'] = STAT_STARTED
obj=self.queue[index]
# create MIME message
msg = MIMEMultipart()
msg['Subject'] = self.queue[index]['subject']
msg['Message-Id'] = make_msgid('calibre-web')
msg['Date'] = formatdate(localtime=True)
text = self.queue[index]['text']
msg.attach(MIMEText(text.encode('UTF-8'), 'plain', 'UTF-8'))
if obj['attachment']:
result = get_attachment(obj['filepath'], obj['attachment'])
if result:
msg.attach(result)
else:
self._handleError(u"Attachment not found")
return
msg['From'] = obj['settings']["mail_from"]
msg['To'] = obj['recipent']
use_ssl = int(obj['settings'].get('mail_use_ssl', 0))
try:
# convert MIME message to string
fp = StringIO()
gen = Generator(fp, mangle_from_=False)
gen.flatten(msg)
msg = fp.getvalue()
# send email
timeout = 600 # set timeout to 5mins
# redirect output to logfile on python2 pn python3 debugoutput is caught with overwritten
# _print_debug function
if sys.version_info < (3, 0):
org_smtpstderr = smtplib.stderr
smtplib.stderr = logger.StderrLogger('worker.smtp')
if use_ssl == 2:
self.asyncSMTP = email_SSL(obj['settings']["mail_server"], obj['settings']["mail_port"], timeout=timeout)
else:
self.asyncSMTP = email(obj['settings']["mail_server"], obj['settings']["mail_port"], timeout=timeout)
# link to logginglevel
if logger.is_debug_enabled():
self.asyncSMTP.set_debuglevel(1)
if use_ssl == 1:
self.asyncSMTP.starttls()
if obj['settings']["mail_password"]:
self.asyncSMTP.login(str(obj['settings']["mail_login"]), str(obj['settings']["mail_password"]))
self.asyncSMTP.sendmail(obj['settings']["mail_from"], obj['recipent'], msg)
self.asyncSMTP.quit()
self._handleSuccess()
if sys.version_info < (3, 0):
smtplib.stderr = org_smtpstderr
except (MemoryError) as e:
log.exception(e)
self._handleError(u'MemoryError sending email: ' + str(e))
return None
except (smtplib.SMTPException, smtplib.SMTPAuthenticationError) as e:
if hasattr(e, "smtp_error"):
text = e.smtp_error.decode('utf-8').replace("\n",'. ')
elif hasattr(e, "message"):
text = e.message
else:
log.exception(e)
text = ''
self._handleError(u'Smtplib Error sending email: ' + text)
return None
except (socket.error) as e:
self._handleError(u'Socket Error sending email: ' + e.strerror)
return None
def _handleError(self, error_message):
log.error(error_message)
self.doLock.acquire()
index = self.current
self.doLock.release()
self.UIqueue[index]['stat'] = STAT_FAIL
self.UIqueue[index]['progress'] = "100 %"
self.UIqueue[index]['formRuntime'] = datetime.now() - self.queue[index]['starttime']
self.UIqueue[index]['message'] = error_message
def _handleSuccess(self):
self.doLock.acquire()
index = self.current
self.doLock.release()
self.UIqueue[index]['stat'] = STAT_FINISH_SUCCESS
self.UIqueue[index]['progress'] = "100 %"
self.UIqueue[index]['formRuntime'] = datetime.now() - self.queue[index]['starttime']
def get_taskstatus():
return _worker.get_taskstatus()
def add_email(subject, filepath, attachment, settings, recipient, user_name, taskMessage, text):
return _worker.add_email(subject, filepath, attachment, settings, recipient, user_name, taskMessage, text)
def add_upload(user_name, taskMessage):
return _worker.add_upload(user_name, taskMessage)
def add_convert(file_path, bookid, user_name, taskMessage, settings, kindle_mail=None):
return _worker.add_convert(file_path, bookid, user_name, taskMessage, settings, kindle_mail)
_worker = WorkerThread()
_worker.start()