mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-02 09:41:02 +00:00
502 lines
22 KiB
Python
502 lines
22 KiB
Python
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from __future__ import print_function
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import smtplib
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import threading
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from datetime import datetime
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import logging
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import time
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import socket
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import sys
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import os
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from email.generator import Generator
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import web
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from flask_babel import gettext as _
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# from babel.dates import format_datetime
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import re
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import gdriveutils as gd
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import subprocess
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try:
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from StringIO import StringIO
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from email.MIMEBase import MIMEBase
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from email.MIMEMultipart import MIMEMultipart
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from email.MIMEText import MIMEText
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except ImportError:
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from io import StringIO
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from email.mime.base import MIMEBase
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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from email import encoders
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from email.utils import formatdate
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from email.utils import make_msgid
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chunksize = 8192
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STAT_WAITING = 0
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STAT_FAIL = 1
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STAT_STARTED = 2
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STAT_FINISH_SUCCESS = 3
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TASK_EMAIL = 1
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TASK_CONVERT = 2
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RET_FAIL = 0
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RET_SUCCESS = 1
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# For gdrive download book from gdrive to calibredir (temp dir for books), read contents in both cases and append
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# it in MIME Base64 encoded to
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def get_attachment(bookpath, filename):
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"""Get file as MIMEBase message"""
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calibrepath = web.config.config_calibre_dir
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if web.ub.config.config_use_google_drive:
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df = gd.getFileFromEbooksFolder(bookpath, filename)
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if df:
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datafile = os.path.join(calibrepath, bookpath, filename)
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if not os.path.exists(os.path.join(calibrepath, bookpath)):
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os.makedirs(os.path.join(calibrepath, bookpath))
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df.GetContentFile(datafile)
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else:
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return None
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file_ = open(datafile, 'rb')
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data = file_.read()
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file_.close()
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os.remove(datafile)
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else:
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try:
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file_ = open(os.path.join(calibrepath, bookpath, filename), 'rb')
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data = file_.read()
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file_.close()
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except IOError:
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web.app.logger.exception(e) # traceback.print_exc()
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web.app.logger.error(u'The requested file could not be read. Maybe wrong permissions?')
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return None
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attachment = MIMEBase('application', 'octet-stream')
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attachment.set_payload(data)
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encoders.encode_base64(attachment)
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attachment.add_header('Content-Disposition', 'attachment',
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filename=filename)
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return attachment
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# Class for sending email with ability to get current progress
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class email(smtplib.SMTP):
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transferSize = 0
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progress = 0
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def __init__(self, *args, **kwargs):
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smtplib.SMTP.__init__(self, *args, **kwargs)
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def data(self, msg):
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self.transferSize = len(msg)
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(code, resp) = smtplib.SMTP.data(self, msg)
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self.progress = 0
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return (code, resp)
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def send(self, strg):
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"""Send `strg' to the server."""
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if self.debuglevel > 0:
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print('send:', repr(strg), file=sys.stderr)
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if hasattr(self, 'sock') and self.sock:
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try:
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if self.transferSize:
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lock=threading.Lock()
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lock.acquire()
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self.transferSize = len(strg)
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lock.release()
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for i in range(0, self.transferSize, chunksize):
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self.sock.send(strg[i:i+chunksize])
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lock.acquire()
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self.progress = i
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lock.release()
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else:
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self.sock.sendall(strg)
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except socket.error:
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self.close()
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raise smtplib.SMTPServerDisconnected('Server not connected')
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else:
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raise smtplib.SMTPServerDisconnected('please run connect() first')
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def getTransferStatus(self):
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if self.transferSize:
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lock2 = threading.Lock()
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lock2.acquire()
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value = round(float(self.progress) / float(self.transferSize),2)*100
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lock2.release()
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return str(value) + ' %'
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else:
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return "100 %"
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# Class for sending ssl encrypted email with ability to get current progress
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class email_SSL(email):
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def __init__(self, *args, **kwargs):
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smtplib.SMTP_SSL.__init__(self, *args, **kwargs)
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#Class for all worker tasks in the background
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class WorkerThread(threading.Thread):
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def __init__(self):
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self._stopevent = threading.Event()
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threading.Thread.__init__(self)
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self.status = 0
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self.current = 0
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self.last = 0
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self.queue = list()
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self.UIqueue = list()
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self.asyncSMTP=None
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self.id = 0
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# Main thread loop starting the different tasks
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def run(self):
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while not self._stopevent.isSet():
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doLock = threading.Lock()
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doLock.acquire()
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if self.current != self.last:
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doLock.release()
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if self.queue[self.current]['typ'] == TASK_EMAIL:
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self.send_raw_email()
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if self.queue[self.current]['typ'] == TASK_CONVERT:
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self.convert_mobi()
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self.current += 1
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else:
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doLock.release()
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time.sleep(1)
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def stop(self):
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self._stopevent.set()
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def get_send_status(self):
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if self.asyncSMTP:
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return self.asyncSMTP.getTransferStatus()
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else:
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return "0 %"
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def delete_completed_tasks(self):
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for index, task in reversed(list(enumerate(self.UIqueue))):
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if task['progress'] == "100 %":
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# delete tasks
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self.queue.pop(index)
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self.UIqueue.pop(index)
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# if we are deleting entries before the current index, adjust the index
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self.current -= 1
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self.last = len(self.queue)
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def get_taskstatus(self):
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if self.current < len(self.queue):
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if self.queue[self.current]['status'] == STAT_STARTED:
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if not self.queue[self.current]['typ'] == TASK_CONVERT:
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self.UIqueue[self.current]['progress'] = self.get_send_status()
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self.UIqueue[self.current]['runtime'] = self._formatRuntime(
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datetime.now() - self.queue[self.current]['starttime'])
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return self.UIqueue
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def convert_mobi(self):
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# convert book, and upload in case of google drive
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self.queue[self.current]['status'] = STAT_STARTED
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self.UIqueue[self.current]['status'] = _('Started')
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self.queue[self.current]['starttime'] = datetime.now()
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self.UIqueue[self.current]['formStarttime'] = self.queue[self.current]['starttime']
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if web.ub.config.config_ebookconverter == 2:
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filename = self.convert_calibre()
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else:
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filename = self.convert_kindlegen()
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if web.ub.config.config_use_google_drive:
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gd.updateGdriveCalibreFromLocal()
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if(filename):
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self.add_email(_(u'Send to Kindle'), self.queue[self.current]['path'], filename,
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self.queue[self.current]['settings'], self.queue[self.current]['kindle'],
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self.UIqueue[self.current]['user'], _(u"E-Mail: %s" % self.queue[self.current]['title']))
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def convert_kindlegen(self):
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error_message = None
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file_path = self.queue[self.current]['file_path']
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bookid = self.queue[self.current]['bookid']
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if not os.path.exists(web.ub.config.config_converterpath):
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error_message = _(u"kindlegen binary %(kindlepath)s not found", kindlepath=web.ub.config.config_converterpath)
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web.app.logger.error("convert_kindlegen: " + error_message)
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self.queue[self.current]['status'] = STAT_FAIL
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self.UIqueue[self.current]['status'] = _('Failed')
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self.UIqueue[self.current]['progress'] = "100 %"
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self.UIqueue[self.current]['runtime'] = self._formatRuntime(
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datetime.now() - self.queue[self.current]['starttime'])
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self.UIqueue[self.current]['message'] = error_message
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return
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try:
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p = subprocess.Popen(
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(web.ub.config.config_converterpath + " \"" + file_path + u".epub\"").encode(sys.getfilesystemencoding()),
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stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
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except Exception:
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error_message = _(u"kindlegen failed, no execution permissions")
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web.app.logger.error("convert_kindlegen: " + error_message)
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self.queue[self.current]['status'] = STAT_FAIL
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self.UIqueue[self.current]['status'] = _('Failed')
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self.UIqueue[self.current]['progress'] = "100 %"
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self.UIqueue[self.current]['runtime'] = self._formatRuntime(
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datetime.now() - self.queue[self.current]['starttime'])
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self.UIqueue[self.current]['message'] = error_message
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return
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# Poll process for new output until finished
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while True:
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nextline = p.stdout.readline()
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if nextline == '' and p.poll() is not None:
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break
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if nextline != "\r\n":
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# Format of error message (kindlegen translates its output texts):
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# Error(prcgen):E23006: Language not recognized in metadata.The dc:Language field is mandatory.Aborting.
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conv_error = re.search(".*\(.*\):(E\d+):\s(.*)", nextline)
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# If error occoures, log in every case
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if conv_error:
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error_message = _(u"Kindlegen failed with Error %(error)s. Message: %(message)s",
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error=conv_error.group(1), message=conv_error.group(2).decode('utf-8'))
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web.app.logger.info("convert_kindlegen: " + error_message)
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web.app.logger.info(nextline.strip('\r\n'))
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else:
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web.app.logger.debug(nextline.strip('\r\n'))
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check = p.returncode
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if not check or check < 2:
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cur_book = web.db.session.query(web.db.Books).filter(web.db.Books.id == bookid).first()
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new_format = web.db.Data(name=cur_book.data[0].name,book_format="MOBI",
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book=bookid,uncompressed_size=os.path.getsize(file_path + ".mobi"))
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cur_book.data.append(new_format)
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web.db.session.commit()
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self.queue[self.current]['path'] = cur_book.path
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self.queue[self.current]['title'] = cur_book.title
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if web.ub.config.config_use_google_drive:
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os.remove(file_path + u".epub")
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self.queue[self.current]['status'] = STAT_FINISH_SUCCESS
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self.UIqueue[self.current]['status'] = _('Finished')
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self.UIqueue[self.current]['progress'] = "100 %"
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self.UIqueue[self.current]['runtime'] = self._formatRuntime(
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datetime.now() - self.queue[self.current]['starttime'])
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return file_path + ".mobi" #, RET_SUCCESS
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else:
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web.app.logger.info("convert_kindlegen: kindlegen failed with error while converting book")
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if not error_message:
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error_message = 'kindlegen failed, no excecution permissions'
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self.queue[self.current]['status'] = STAT_FAIL
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self.UIqueue[self.current]['status'] = _('Failed')
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self.UIqueue[self.current]['progress'] = "100 %"
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self.UIqueue[self.current]['runtime'] = self._formatRuntime(
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datetime.now() - self.queue[self.current]['starttime'])
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self.UIqueue[self.current]['message'] = error_message
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return # error_message, RET_FAIL
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def convert_calibre(self):
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error_message = None
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file_path = self.queue[self.current]['file_path']
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bookid = self.queue[self.current]['bookid']
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if not os.path.exists(web.ub.config.config_converterpath):
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error_message = _(u"Ebook-convert binary %(converterpath)s not found",
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converterpath=web.ub.config.config_converterpath)
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web.app.logger.error("convert_calibre: " + error_message)
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self.queue[self.current]['status'] = STAT_FAIL
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self.UIqueue[self.current]['status'] = _('Failed')
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self.UIqueue[self.current]['progress'] = "100 %"
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self.UIqueue[self.current]['runtime'] = self._formatRuntime(
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datetime.now() - self.queue[self.current]['starttime'])
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self.UIqueue[self.current]['message'] = error_message
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return
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try:
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command = ("\"" + web.ub.config.config_converterpath + "\" \"" + file_path + u".epub\" \""
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+ file_path + u".mobi\" " + web.ub.config.config_calibre).encode(sys.getfilesystemencoding())
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p = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
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except Exception:
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error_message = _(u"Ebook-convert failed, no execution permissions")
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web.app.logger.error("convert_calibre: " + error_message)
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self.queue[self.current]['status'] = STAT_FAIL
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self.UIqueue[self.current]['status'] = _('Failed')
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self.UIqueue[self.current]['progress'] = "100 %"
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self.UIqueue[self.current]['runtime'] = self._formatRuntime(
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datetime.now() - self.queue[self.current]['starttime'])
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self.UIqueue[self.current]['message'] = error_message
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return # error_message, RET_FAIL
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# Poll process for new output until finished
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while True:
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nextline = p.stdout.readline()
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if nextline == '' and p.poll() is not None:
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break
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progress = re.search("(\d+)%\s.*", nextline)
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if progress:
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self.UIqueue[self.current]['progress'] = progress.group(1) + '%'
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web.app.logger.debug(nextline.strip('\r\n').decode(sys.getfilesystemencoding()))
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check = p.returncode
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if check == 0:
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cur_book = web.db.session.query(web.db.Books).filter(web.db.Books.id == bookid).first()
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new_format = web.db.Data(name=cur_book.data[0].name,book_format="MOBI",
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book=bookid,uncompressed_size=os.path.getsize(file_path + ".mobi"))
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cur_book.data.append(new_format)
|
||
|
|
web.db.session.commit()
|
||
|
|
self.queue[self.current]['path'] = cur_book.path
|
||
|
|
self.queue[self.current]['title'] = cur_book.title
|
||
|
|
if web.ub.config.config_use_google_drive:
|
||
|
|
os.remove(file_path + u".epub")
|
||
|
|
self.queue[self.current]['status'] = STAT_FINISH_SUCCESS
|
||
|
|
self.UIqueue[self.current]['status'] = _('Finished')
|
||
|
|
self.UIqueue[self.current]['progress'] = "100 %"
|
||
|
|
self.UIqueue[self.current]['runtime'] = self._formatRuntime(
|
||
|
|
datetime.now() - self.queue[self.current]['starttime'])
|
||
|
|
return file_path + ".mobi" # , RET_SUCCESS
|
||
|
|
else:
|
||
|
|
web.app.logger.info("convert_calibre: Ebook-convert failed with error while converting book")
|
||
|
|
if not error_message:
|
||
|
|
error_message = 'Ebook-convert failed, no excecution permissions'
|
||
|
|
self.queue[self.current]['status'] = STAT_FAIL
|
||
|
|
self.UIqueue[self.current]['status'] = _('Failed')
|
||
|
|
self.UIqueue[self.current]['progress'] = "100 %"
|
||
|
|
self.UIqueue[self.current]['runtime'] = self._formatRuntime(
|
||
|
|
datetime.now() - self.queue[self.current]['starttime'])
|
||
|
|
self.UIqueue[self.current]['message'] = error_message
|
||
|
|
return # error_message, RET_FAIL
|
||
|
|
|
||
|
|
def add_convert(self, file_path, bookid, user_name, type, settings, kindle_mail):
|
||
|
|
addLock = threading.Lock()
|
||
|
|
addLock.acquire()
|
||
|
|
if self.last >= 20:
|
||
|
|
self.delete_completed_tasks()
|
||
|
|
# progress, runtime, and status = 0
|
||
|
|
self.id += 1
|
||
|
|
self.queue.append({'file_path':file_path, 'bookid':bookid, 'starttime': 0, 'kindle':kindle_mail,
|
||
|
|
'status': STAT_WAITING, 'typ': TASK_CONVERT, 'settings':settings})
|
||
|
|
self.UIqueue.append({'user': user_name, 'formStarttime': '', 'progress': " 0 %", 'type': type,
|
||
|
|
'runtime': '0 s', 'status': _('Waiting'),'id': self.id } )
|
||
|
|
self.id += 1
|
||
|
|
|
||
|
|
self.last=len(self.queue)
|
||
|
|
addLock.release()
|
||
|
|
|
||
|
|
|
||
|
|
def add_email(self, subject, filepath, attachment, settings, recipient, user_name, typ):
|
||
|
|
# if more than 20 entries in the list, clean the list
|
||
|
|
addLock = threading.Lock()
|
||
|
|
addLock.acquire()
|
||
|
|
if self.last >= 20:
|
||
|
|
self.delete_completed_tasks()
|
||
|
|
# progress, runtime, and status = 0
|
||
|
|
self.queue.append({'subject':subject, 'attachment':attachment, 'filepath':filepath,
|
||
|
|
'settings':settings, 'recipent':recipient, 'starttime': 0,
|
||
|
|
'status': STAT_WAITING, 'typ': TASK_EMAIL})
|
||
|
|
self.UIqueue.append({'user': user_name, 'formStarttime': '', 'progress': " 0 %", 'type': typ,
|
||
|
|
'runtime': '0 s', 'status': _('Waiting'),'id': self.id })
|
||
|
|
self.id += 1
|
||
|
|
self.last=len(self.queue)
|
||
|
|
addLock.release()
|
||
|
|
|
||
|
|
def send_raw_email(self):
|
||
|
|
obj=self.queue[self.current]
|
||
|
|
# create MIME message
|
||
|
|
msg = MIMEMultipart()
|
||
|
|
msg['Subject'] = self.queue[self.current]['subject']
|
||
|
|
msg['Message-Id'] = make_msgid('calibre-web')
|
||
|
|
msg['Date'] = formatdate(localtime=True)
|
||
|
|
text = _(u'This email has been sent via calibre web.')
|
||
|
|
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.queue[self.current]['status'] = STAT_FAIL
|
||
|
|
self.UIqueue[self.current]['status'] = _('Failed')
|
||
|
|
self.UIqueue[self.current]['progress'] = "100 %"
|
||
|
|
self.queue[self.current]['starttime'] = datetime.now()
|
||
|
|
self.UIqueue[self.current]['formStarttime'] = self.queue[self.current]['starttime']
|
||
|
|
self.UIqueue[self.current]['runtime'] = self._formatRuntime(
|
||
|
|
datetime.now() - self.queue[self.current]['starttime'])
|
||
|
|
return
|
||
|
|
|
||
|
|
msg['From'] = obj['settings']["mail_from"]
|
||
|
|
msg['To'] = obj['recipent']
|
||
|
|
|
||
|
|
use_ssl = int(obj['settings'].get('mail_use_ssl', 0))
|
||
|
|
|
||
|
|
# convert MIME message to string
|
||
|
|
fp = StringIO()
|
||
|
|
gen = Generator(fp, mangle_from_=False)
|
||
|
|
gen.flatten(msg)
|
||
|
|
msg = fp.getvalue()
|
||
|
|
|
||
|
|
# send email
|
||
|
|
try:
|
||
|
|
timeout = 600 # set timeout to 5mins
|
||
|
|
|
||
|
|
org_stderr = sys.stderr
|
||
|
|
sys.stderr = StderrLogger()
|
||
|
|
|
||
|
|
self.queue[self.current]['status'] = STAT_STARTED
|
||
|
|
self.UIqueue[self.current]['status'] = _('Started')
|
||
|
|
self.queue[self.current]['starttime'] = datetime.now()
|
||
|
|
self.UIqueue[self.current]['formStarttime'] = self.queue[self.current]['starttime']
|
||
|
|
|
||
|
|
|
||
|
|
if use_ssl == 2:
|
||
|
|
self.asyncSMTP = email_SSL(obj['settings']["mail_server"], obj['settings']["mail_port"], timeout)
|
||
|
|
else:
|
||
|
|
self.asyncSMTP = email(obj['settings']["mail_server"], obj['settings']["mail_port"], timeout)
|
||
|
|
|
||
|
|
# link to logginglevel
|
||
|
|
if web.ub.config.config_log_level != logging.DEBUG:
|
||
|
|
self.asyncSMTP.set_debuglevel(0)
|
||
|
|
else:
|
||
|
|
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.queue[self.current]['status'] = STAT_FINISH_SUCCESS
|
||
|
|
self.UIqueue[self.current]['status'] = _('Finished')
|
||
|
|
self.UIqueue[self.current]['progress'] = "100 %"
|
||
|
|
self.UIqueue[self.current]['runtime'] = self._formatRuntime(
|
||
|
|
datetime.now() - self.queue[self.current]['starttime'])
|
||
|
|
|
||
|
|
sys.stderr = org_stderr
|
||
|
|
|
||
|
|
except (socket.error, smtplib.SMTPRecipientsRefused, smtplib.SMTPException):
|
||
|
|
self.queue[self.current]['status'] = STAT_FAIL
|
||
|
|
self.UIqueue[self.current]['status'] = _('Failed')
|
||
|
|
self.UIqueue[self.current]['progress'] = "100 %"
|
||
|
|
self.UIqueue[self.current]['runtime'] = self._formatRuntime(
|
||
|
|
datetime.now() - self.queue[self.current]['starttime'])
|
||
|
|
web.app.logger.error(e)
|
||
|
|
# return None
|
||
|
|
|
||
|
|
def _formatRuntime(self, runtime):
|
||
|
|
self.UIqueue[self.current]['rt'] = runtime.total_seconds()
|
||
|
|
val = re.split('\:|\.', str(runtime))[0:3]
|
||
|
|
erg = list()
|
||
|
|
for v in val:
|
||
|
|
if int(v) > 0:
|
||
|
|
erg.append(v)
|
||
|
|
retVal = (':'.join(erg)).lstrip('0') + ' s'
|
||
|
|
if retVal == ' s':
|
||
|
|
retVal = '0 s'
|
||
|
|
return retVal
|
||
|
|
|
||
|
|
class StderrLogger(object):
|
||
|
|
|
||
|
|
buffer = ''
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
self.logger = web.app.logger
|
||
|
|
|
||
|
|
def write(self, message):
|
||
|
|
if message == '\n':
|
||
|
|
self.logger.debug(self.buffer)
|
||
|
|
print(self.buffer)
|
||
|
|
self.buffer = ''
|
||
|
|
else:
|
||
|
|
self.buffer += message
|