mirror of
https://github.com/janeczku/calibre-web.git
synced 2024-11-28 08:58:41 +02:00
694620790c
Deleting of non exisiting folders gives no internal error anymore re-inserting title sort function during upload earlier
561 lines
21 KiB
Python
Executable File
561 lines
21 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import db
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import ub
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from flask import current_app as app
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import logging
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import smtplib
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from tempfile import gettempdir
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import socket
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import sys
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import os
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import traceback
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import re
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import unicodedata
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from io import BytesIO
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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 as e:
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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.generator import Generator
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from email.utils import formatdate
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from email.utils import make_msgid
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from flask_babel import gettext as _
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import subprocess
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import threading
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import shutil
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import requests
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import zipfile
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try:
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import gdriveutils as gd
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except ImportError:
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pass
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import web
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import server
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try:
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import unidecode
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use_unidecode = True
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except ImportError:
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use_unidecode = False
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# Global variables
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updater_thread = None
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RET_SUCCESS = 1
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RET_FAIL = 0
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def make_mobi(book_id, calibrepath):
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error_message = None
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vendorpath = os.path.join(os.path.normpath(os.path.dirname(os.path.realpath(__file__)) +
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os.sep + "../vendor" + os.sep))
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if sys.platform == "win32":
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kindlegen = (os.path.join(vendorpath, u"kindlegen.exe")).encode(sys.getfilesystemencoding())
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else:
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kindlegen = (os.path.join(vendorpath, u"kindlegen")).encode(sys.getfilesystemencoding())
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if not os.path.exists(kindlegen):
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error_message = _(u"kindlegen binary %(kindlepath)s not found", kindlepath=kindlegen)
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app.logger.error("make_mobi: " + error_message)
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return error_message, RET_FAIL
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book = db.session.query(db.Books).filter(db.Books.id == book_id).first()
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data = db.session.query(db.Data).filter(db.Data.book == book.id).filter(db.Data.format == 'EPUB').first()
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if not data:
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error_message = _(u"epub format not found for book id: %(book)d", book=book_id)
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app.logger.error("make_mobi: " + error_message)
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return error_message, RET_FAIL
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file_path = os.path.join(calibrepath, book.path, data.name)
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if os.path.exists(file_path + u".epub"):
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try:
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p = subprocess.Popen((kindlegen + " \"" + 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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app.logger.error("make_mobi: " + 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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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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app.logger.info("make_mobi: " + error_message)
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app.logger.info(nextline.strip('\r\n'))
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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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book.data.append(db.Data(
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name=book.data[0].name,
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book_format="MOBI",
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book=book.id,
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uncompressed_size=os.path.getsize(file_path + ".mobi")
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))
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db.session.commit()
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return file_path + ".mobi", RET_SUCCESS
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else:
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app.logger.info("make_mobi: 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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return error_message, RET_FAIL
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else:
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error_message = "make_mobi: epub not found: %s.epub" % file_path
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return error_message, RET_FAIL
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class StderrLogger(object):
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buffer = ''
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def __init__(self):
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self.logger = logging.getLogger('cps.web')
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def write(self, message):
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if message == '\n':
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self.logger.debug(self.buffer)
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self.buffer = ''
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else:
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self.buffer += message
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def send_raw_email(kindle_mail, msg):
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settings = ub.get_mail_settings()
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msg['From'] = settings["mail_from"]
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msg['To'] = kindle_mail
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use_ssl = int(settings.get('mail_use_ssl', 0))
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# convert MIME message to string
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fp = StringIO()
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gen = Generator(fp, mangle_from_=False)
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gen.flatten(msg)
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msg = fp.getvalue()
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# send email
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try:
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timeout = 600 # set timeout to 5mins
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org_stderr = sys.stderr
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sys.stderr = StderrLogger()
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if use_ssl == 2:
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mailserver = smtplib.SMTP_SSL(settings["mail_server"], settings["mail_port"], timeout)
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else:
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mailserver = smtplib.SMTP(settings["mail_server"], settings["mail_port"], timeout)
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mailserver.set_debuglevel(1)
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if use_ssl == 1:
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mailserver.starttls()
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if settings["mail_password"]:
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mailserver.login(str(settings["mail_login"]), str(settings["mail_password"]))
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mailserver.sendmail(settings["mail_from"], kindle_mail, msg)
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mailserver.quit()
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smtplib.stderr = org_stderr
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except (socket.error, smtplib.SMTPRecipientsRefused, smtplib.SMTPException) as ex:
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app.logger.error(traceback.print_exc())
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return _("Failed to send mail: %s" % str(ex))
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return None
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def send_test_mail(kindle_mail):
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msg = MIMEMultipart()
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msg['Subject'] = _(u'Calibre-web test email')
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text = _(u'This email has been sent via calibre web.')
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msg.attach(MIMEText(text.encode('UTF-8'), 'plain', 'UTF-8'))
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return send_raw_email(kindle_mail, msg)
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def send_mail(book_id, kindle_mail, calibrepath):
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"""Send email with attachments"""
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# create MIME message
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msg = MIMEMultipart()
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msg['Subject'] = _(u'Send to Kindle')
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msg['Message-Id'] = make_msgid('calibre-web')
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msg['Date'] = formatdate(localtime=True)
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text = _(u'This email has been sent via calibre web.')
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msg.attach(MIMEText(text.encode('UTF-8'), 'plain', 'UTF-8'))
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book = db.session.query(db.Books).filter(db.Books.id == book_id).first()
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data = db.session.query(db.Data).filter(db.Data.book == book.id)
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formats = {}
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for entry in data:
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if entry.format == "MOBI":
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formats["mobi"] = os.path.join(calibrepath, book.path, entry.name + ".mobi")
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if entry.format == "EPUB":
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formats["epub"] = os.path.join(calibrepath, book.path, entry.name + ".epub")
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if entry.format == "PDF":
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formats["pdf"] = os.path.join(calibrepath, book.path, entry.name + ".pdf")
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if len(formats) == 0:
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return _("Could not find any formats suitable for sending by email")
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if 'mobi' in formats:
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msg.attach(get_attachment(formats['mobi']))
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elif 'epub' in formats:
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data, resultCode = make_mobi(book.id, calibrepath)
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if resultCode == RET_SUCCESS:
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msg.attach(get_attachment(data))
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else:
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app.logger.error = data
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return data # _("Could not convert epub to mobi")
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elif 'pdf' in formats:
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msg.attach(get_attachment(formats['pdf']))
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else:
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return _("Could not find any formats suitable for sending by email")
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return send_raw_email(kindle_mail, msg)
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def get_attachment(file_path):
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"""Get file as MIMEBase message"""
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try:
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file_ = open(file_path, 'rb')
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attachment = MIMEBase('application', 'octet-stream')
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attachment.set_payload(file_.read())
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file_.close()
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encoders.encode_base64(attachment)
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attachment.add_header('Content-Disposition', 'attachment',
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filename=os.path.basename(file_path))
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return attachment
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except IOError:
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traceback.print_exc()
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app.logger.error = u'The requested file could not be read. Maybe wrong permissions?'
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return None
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def get_valid_filename(value, replace_whitespace=True):
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"""
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Returns the given string converted to a string that can be used for a clean
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filename. Limits num characters to 128 max.
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"""
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if value[-1:] == u'.':
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value = value[:-1]+u'_'
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value = value.replace("/", "_").replace(":", "_").strip('\0')
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if use_unidecode:
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value = (unidecode.unidecode(value)).strip()
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else:
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value = value.replace(u'§', u'SS')
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value = value.replace(u'ß', u'ss')
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value = unicodedata.normalize('NFKD', value)
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re_slugify = re.compile('[\W\s-]', re.UNICODE)
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if isinstance(value, str): # Python3 str, Python2 unicode
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value = re_slugify.sub('', value).strip()
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else:
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value = unicode(re_slugify.sub('', value).strip())
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if replace_whitespace:
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# *+:\"/<>? are replaced by _
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value = re.sub(r'[\*\+:\\\"/<>\?]+', u'_', value, flags=re.U)
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# pipe has to be replaced with comma
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value = re.sub(r'[\|]+', u',', value, flags=re.U)
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value = value[:128]
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if not value:
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raise ValueError("Filename cannot be empty")
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return value
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def get_sorted_author(value):
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try:
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regexes = ["^(JR|SR)\.?$", "^I{1,3}\.?$", "^IV\.?$"]
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combined = "(" + ")|(".join(regexes) + ")"
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value = value.split(" ")
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if re.match(combined, value[-1].upper()):
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value2 = value[-2] + ", " + " ".join(value[:-2]) + " " + value[-1]
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else:
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value2 = value[-1] + ", " + " ".join(value[:-1])
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except Exception:
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web.app.logger.error("Sorting author " + str(value) + "failed")
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value2 = value
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return value2
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# Deletes a book fro the local filestorage, returns True if deleting is successfull, otherwise false
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def delete_book_file(book, calibrepath):
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# check that path is 2 elements deep, check that target path has no subfolders
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if book.path.count('/') == 1:
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path = os.path.join(calibrepath, book.path)
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if os.path.isdir(path):
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if len(next(os.walk(path))[1]):
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web.app.logger.error(
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"Deleting book " + str(book.id) + " failed, path has subfolders: " + book.path)
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return False
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shutil.rmtree(path, ignore_errors=True)
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return True
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else:
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web.app.logger.error("Deleting book " + str(book.id) + " failed, book path not valid: " + book.path)
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return False
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else:
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web.app.logger.error("Deleting book " + str(book.id) + " failed, book path value: "+ book.path)
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return False
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def update_dir_stucture_file(book_id, calibrepath):
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localbook = db.session.query(db.Books).filter(db.Books.id == book_id).first()
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path = os.path.join(calibrepath, localbook.path)
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authordir = localbook.path.split('/')[0]
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new_authordir = get_valid_filename(localbook.authors[0].name)
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titledir = localbook.path.split('/')[1]
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new_titledir = get_valid_filename(localbook.title) + " (" + str(book_id) + ")"
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if titledir != new_titledir:
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try:
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new_title_path = os.path.join(os.path.dirname(path), new_titledir)
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if not os.path.exists(new_title_path):
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os.renames(path, new_title_path)
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else:
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web.app.logger.info("Copying title: " + path + " into existing: " + new_title_path)
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for dir_name, subdir_list, file_list in os.walk(path):
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for file in file_list:
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os.renames(os.path.join(dir_name, file), os.path.join(new_title_path + dir_name[len(path):], file))
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path = new_title_path
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localbook.path = localbook.path.split('/')[0] + '/' + new_titledir
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except OSError as ex:
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web.app.logger.error("Rename title from: " + path + " to " + new_title_path)
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web.app.logger.error(ex, exc_info=True)
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return _('Rename title from: "%s" to "%s" failed with error: %s' % (path, new_title_path, str(ex)))
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if authordir != new_authordir:
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try:
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new_author_path = os.path.join(os.path.join(calibrepath, new_authordir), os.path.basename(path))
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os.renames(path, new_author_path)
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localbook.path = new_authordir + '/' + localbook.path.split('/')[1]
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except OSError as ex:
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web.app.logger.error("Rename author from: " + path + " to " + new_author_path)
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web.app.logger.error(ex, exc_info=True)
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return _('Rename author from: "%s" to "%s" failed with error: %s' % (path, new_title_path, str(ex)))
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return False
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def update_dir_structure_gdrive(book_id):
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error = False
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book = db.session.query(db.Books).filter(db.Books.id == book_id).first()
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authordir = book.path.split('/')[0]
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new_authordir = get_valid_filename(book.authors[0].name)
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titledir = book.path.split('/')[1]
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new_titledir = get_valid_filename(book.title) + " (" + str(book_id) + ")"
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if titledir != new_titledir:
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# print (titledir)
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gFile = gd.getFileFromEbooksFolder(os.path.dirname(book.path), titledir)
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if gFile:
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gFile['title'] = new_titledir
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gFile.Upload()
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book.path = book.path.split('/')[0] + '/' + new_titledir
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gd.updateDatabaseOnEdit(gFile['id'], book.path) # only child folder affected
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else:
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error = _(u'File %s not found on gdrive' % book.path) # file not found
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if authordir != new_authordir:
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gFile = gd.getFileFromEbooksFolder(os.path.dirname(book.path), titledir)
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if gFile:
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gd.moveGdriveFolderRemote(gFile,new_authordir)
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book.path = new_authordir + '/' + book.path.split('/')[1]
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gd.updateDatabaseOnEdit(gFile['id'], book.path)
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else:
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error = _(u'File %s not found on gdrive' % authordir) # file not found
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return error
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def delete_book_gdrive(book):
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error= False
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gFile = gd.getFileFromEbooksFolder(os.path.dirname(book.path),book.path.split('/')[1])
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if gFile:
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gd.deleteDatabaseEntry(gFile['id'])
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gFile.Trash()
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else:
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error =_(u'delete_bookPath %s not found on gdrive' % book.path) # file not found
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return error
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################################## External interface
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def update_dir_stucture(book_id, calibrepath):
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if ub.config.config_use_google_drive:
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return update_dir_structure_gdrive(book_id)
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else:
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return update_dir_stucture_file(book_id, calibrepath)
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def delete_book(book, calibrepath):
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if ub.config.config_use_google_drive:
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return delete_book_gdrive(book)
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else:
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return delete_book_file(book, calibrepath)
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##################################
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class Updater(threading.Thread):
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def __init__(self):
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threading.Thread.__init__(self)
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self.status = 0
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def run(self):
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self.status = 1
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r = requests.get('https://api.github.com/repos/janeczku/calibre-web/zipball/master', stream=True)
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fname = re.findall("filename=(.+)", r.headers['content-disposition'])[0]
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self.status = 2
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z = zipfile.ZipFile(BytesIO(r.content))
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self.status = 3
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tmp_dir = gettempdir()
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z.extractall(tmp_dir)
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self.status = 4
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self.update_source(os.path.join(tmp_dir, os.path.splitext(fname)[0]), ub.config.get_main_dir)
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self.status = 5
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db.session.close()
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db.engine.dispose()
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ub.session.close()
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ub.engine.dispose()
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self.status = 6
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server.Server.setRestartTyp(True)
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server.Server.stopServer()
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self.status = 7
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def get_update_status(self):
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return self.status
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@classmethod
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def file_to_list(self, filelist):
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return [x.strip() for x in open(filelist, 'r') if not x.startswith('#EXT')]
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@classmethod
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def one_minus_two(self, one, two):
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return [x for x in one if x not in set(two)]
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@classmethod
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def reduce_dirs(self, delete_files, new_list):
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new_delete = []
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for filename in delete_files:
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parts = filename.split(os.sep)
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sub = ''
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for part in parts:
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sub = os.path.join(sub, part)
|
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if sub == '':
|
|
sub = os.sep
|
|
count = 0
|
|
for song in new_list:
|
|
if song.startswith(sub):
|
|
count += 1
|
|
break
|
|
if count == 0:
|
|
if sub != '\\':
|
|
new_delete.append(sub)
|
|
break
|
|
return list(set(new_delete))
|
|
|
|
@classmethod
|
|
def reduce_files(self, remove_items, exclude_items):
|
|
rf = []
|
|
for item in remove_items:
|
|
if not item.startswith(exclude_items):
|
|
rf.append(item)
|
|
return rf
|
|
|
|
@classmethod
|
|
def moveallfiles(self, root_src_dir, root_dst_dir):
|
|
change_permissions = True
|
|
if sys.platform == "win32" or sys.platform == "darwin":
|
|
change_permissions = False
|
|
else:
|
|
logging.getLogger('cps.web').debug('Update on OS-System : ' + sys.platform)
|
|
new_permissions = os.stat(root_dst_dir)
|
|
# print new_permissions
|
|
for src_dir, __, files in os.walk(root_src_dir):
|
|
dst_dir = src_dir.replace(root_src_dir, root_dst_dir, 1)
|
|
if not os.path.exists(dst_dir):
|
|
os.makedirs(dst_dir)
|
|
logging.getLogger('cps.web').debug('Create-Dir: '+dst_dir)
|
|
if change_permissions:
|
|
# print('Permissions: User '+str(new_permissions.st_uid)+' Group '+str(new_permissions.st_uid))
|
|
os.chown(dst_dir, new_permissions.st_uid, new_permissions.st_gid)
|
|
for file_ in files:
|
|
src_file = os.path.join(src_dir, file_)
|
|
dst_file = os.path.join(dst_dir, file_)
|
|
if os.path.exists(dst_file):
|
|
if change_permissions:
|
|
permission = os.stat(dst_file)
|
|
logging.getLogger('cps.web').debug('Remove file before copy: '+dst_file)
|
|
os.remove(dst_file)
|
|
else:
|
|
if change_permissions:
|
|
permission = new_permissions
|
|
shutil.move(src_file, dst_dir)
|
|
logging.getLogger('cps.web').debug('Move File '+src_file+' to '+dst_dir)
|
|
if change_permissions:
|
|
try:
|
|
os.chown(dst_file, permission.st_uid, permission.st_gid)
|
|
except (Exception) as e:
|
|
# ex = sys.exc_info()
|
|
old_permissions = os.stat(dst_file)
|
|
logging.getLogger('cps.web').debug('Fail change permissions of ' + str(dst_file) + '. Before: '
|
|
+ str(old_permissions.st_uid) + ':' + str(old_permissions.st_gid) + ' After: '
|
|
+ str(permission.st_uid) + ':' + str(permission.st_gid) + ' error: '+str(e))
|
|
return
|
|
|
|
def update_source(self, source, destination):
|
|
# destination files
|
|
old_list = list()
|
|
exclude = (
|
|
'vendor' + os.sep + 'kindlegen.exe', 'vendor' + os.sep + 'kindlegen', os.sep + 'app.db',
|
|
os.sep + 'vendor', os.sep + 'calibre-web.log')
|
|
for root, dirs, files in os.walk(destination, topdown=True):
|
|
for name in files:
|
|
old_list.append(os.path.join(root, name).replace(destination, ''))
|
|
for name in dirs:
|
|
old_list.append(os.path.join(root, name).replace(destination, ''))
|
|
# source files
|
|
new_list = list()
|
|
for root, dirs, files in os.walk(source, topdown=True):
|
|
for name in files:
|
|
new_list.append(os.path.join(root, name).replace(source, ''))
|
|
for name in dirs:
|
|
new_list.append(os.path.join(root, name).replace(source, ''))
|
|
|
|
delete_files = self.one_minus_two(old_list, new_list)
|
|
|
|
rf = self.reduce_files(delete_files, exclude)
|
|
|
|
remove_items = self.reduce_dirs(rf, new_list)
|
|
|
|
self.moveallfiles(source, destination)
|
|
|
|
for item in remove_items:
|
|
item_path = os.path.join(destination, item[1:])
|
|
if os.path.isdir(item_path):
|
|
logging.getLogger('cps.web').debug("Delete dir " + item_path)
|
|
shutil.rmtree(item_path)
|
|
else:
|
|
try:
|
|
logging.getLogger('cps.web').debug("Delete file " + item_path)
|
|
# log_from_thread("Delete file " + item_path)
|
|
os.remove(item_path)
|
|
except Exception:
|
|
logging.getLogger('cps.web').debug("Could not remove:" + item_path)
|
|
shutil.rmtree(source, ignore_errors=True)
|