mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-18 03:25:37 +00:00
492 lines
19 KiB
Python
Executable File
492 lines
19 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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from tempfile import gettempdir
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import sys
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import os
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import re
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import unicodedata
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from io import BytesIO
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import worker
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import time
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from flask import send_from_directory, make_response, redirect, abort
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from flask_babel import gettext as _
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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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global_WorkerThread = worker.WorkerThread()
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global_WorkerThread.start()
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def update_download(book_id, user_id):
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check = ub.session.query(ub.Downloads).filter(ub.Downloads.user_id == user_id).filter(ub.Downloads.book_id ==
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book_id).first()
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if not check:
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new_download = ub.Downloads(user_id=user_id, book_id=book_id)
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ub.session.add(new_download)
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ub.session.commit()
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def make_mobi(book_id, calibrepath, user_id, kindle_mail):
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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
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if ub.config.config_use_google_drive:
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df = gd.getFileFromEbooksFolder(book.path, data.name + u".epub")
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if df:
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datafile = os.path.join(calibrepath, book.path, data.name + u".epub")
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if not os.path.exists(os.path.join(calibrepath, book.path)):
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os.makedirs(os.path.join(calibrepath, book.path))
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df.GetContentFile(datafile)
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else:
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error_message = (u"make_mobi: epub not found on gdrive: %s.epub" % data.name)
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return error_message
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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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# append converter to queue
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global_WorkerThread.add_convert(file_path, book.id, user_id, _(u"Convert: %s" % book.title), ub.get_mail_settings(),
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kindle_mail)
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return None
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else:
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error_message = (u"make_mobi: epub not found: %s.epub" % file_path)
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return error_message
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def send_test_mail(kindle_mail, user_name):
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global_WorkerThread.add_email(_(u'Calibre-web test email'),None, None, ub.get_mail_settings(),
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kindle_mail, user_name, _(u"Test E-Mail"))
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return
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# Files are processed in the following order/priority:
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# 1: If Mobi file is exisiting, it's directly send to kindle email,
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# 2: If Epub file is exisiting, it's converted and send to kindle email
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# 3: If Pdf file is exisiting, it's directly send to kindle email,
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def send_mail(book_id, kindle_mail, calibrepath, user_id):
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"""Send email with attachments"""
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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).all()
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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"] = entry.name + ".mobi"
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if entry.format == "EPUB":
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formats["epub"] = entry.name + ".epub"
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if entry.format == "PDF":
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formats["pdf"] = entry.name + ".pdf"
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if len(formats) == 0:
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return _(u"Could not find any formats suitable for sending by email")
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if 'mobi' in formats:
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result = formats['mobi']
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elif 'epub' in formats:
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# returns None if sucess, otherwise errormessage
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return make_mobi(book.id, calibrepath, user_id, kindle_mail)
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elif 'pdf' in formats:
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result = formats['pdf'] # worker.get_attachment()
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else:
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return _(u"Could not find any formats suitable for sending by email")
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if result:
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global_WorkerThread.add_email(_(u"Send to Kindle"), book.path, result, ub.get_mail_settings(),
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kindle_mail, user_id, _(u"E-Mail: %s" % book.title))
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else:
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return _(u"The requested file could not be read. Maybe wrong permissions?")
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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, book_format=None):
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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 book_format:
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for file in os.listdir(path):
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if file.upper().endswith("."+book_format):
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os.remove(os.path.join(path, file))
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else:
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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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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 Google Drive' % 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 Google Drive' % authordir) # file not found
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return error
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def delete_book_gdrive(book, book_format):
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error= False
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if book_format:
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name = ''
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for entry in book.data:
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if entry.format.upper() == book_format:
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name = entry.name + '.' + book_format
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gFile = gd.getFileFromEbooksFolder(book.path, name)
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else:
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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'Book path %s not found on Google Drive' % 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, book_format):
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if ub.config.config_use_google_drive:
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return delete_book_gdrive(book, book_format)
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else:
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return delete_book_file(book, calibrepath, book_format)
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def get_book_cover(cover_path):
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if ub.config.config_use_google_drive:
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try:
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path=gd.get_cover_via_gdrive(cover_path)
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if path:
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return redirect(path)
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else:
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web.app.logger.error(cover_path + '/cover.jpg not found on Google Drive')
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return send_from_directory(os.path.join(os.path.dirname(__file__), "static"), "generic_cover.jpg")
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except Exception as e:
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web.app.logger.error("Error Message: "+e.message)
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web.app.logger.exception(e)
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# traceback.print_exc()
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return send_from_directory(os.path.join(os.path.dirname(__file__), "static"),"generic_cover.jpg")
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else:
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return send_from_directory(os.path.join(ub.config.config_calibre_dir, cover_path), "cover.jpg")
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# saves book cover to gdrive or locally
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def save_cover(url, book_path):
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img = requests.get(url)
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if img.headers.get('content-type') != 'image/jpeg':
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web.app.logger.error("Cover is no jpg file, can't save")
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return False
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if ub.config.config_use_google_drive:
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tmpDir = gettempdir()
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f = open(os.path.join(tmpDir, "uploaded_cover.jpg"), "wb")
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f.write(img.content)
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f.close()
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uploadFileToEbooksFolder(os.path.join(book_path, 'cover.jpg'), os.path.join(tmpDir, f.name))
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web.app.logger.info("Cover is saved on gdrive")
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return True
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f = open(os.path.join(ub.config.config_calibre_dir, book_path, "cover.jpg"), "wb")
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f.write(img.content)
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f.close()
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web.app.logger.info("Cover is saved")
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return True
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def do_download_file(book, book_format, data, headers):
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if ub.config.config_use_google_drive:
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startTime = time.time()
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df = gd.getFileFromEbooksFolder(book.path, data.name + "." + book_format)
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web.app.logger.debug(time.time() - startTime)
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if df:
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return gd.do_gdrive_download(df, headers)
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else:
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abort(404)
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else:
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response = make_response(send_from_directory(os.path.join(ub.config.config_calibre_dir, book.path), data.name + "." + book_format))
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response.headers = headers
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return response
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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 == '':
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sub = os.sep
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count = 0
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for song in new_list:
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if song.startswith(sub):
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count += 1
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break
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if count == 0:
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if sub != '\\':
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new_delete.append(sub)
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break
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return list(set(new_delete))
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@classmethod
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def reduce_files(self, remove_items, exclude_items):
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rf = []
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for item in remove_items:
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if not item.startswith(exclude_items):
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rf.append(item)
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return rf
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@classmethod
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def moveallfiles(self, root_src_dir, root_dst_dir):
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change_permissions = True
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if sys.platform == "win32" or sys.platform == "darwin":
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change_permissions = False
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else:
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logging.getLogger('cps.web').debug('Update on OS-System : ' + sys.platform)
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new_permissions = os.stat(root_dst_dir)
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# print new_permissions
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for src_dir, __, files in os.walk(root_src_dir):
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dst_dir = src_dir.replace(root_src_dir, root_dst_dir, 1)
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if not os.path.exists(dst_dir):
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os.makedirs(dst_dir)
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logging.getLogger('cps.web').debug('Create-Dir: '+dst_dir)
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if change_permissions:
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# print('Permissions: User '+str(new_permissions.st_uid)+' Group '+str(new_permissions.st_uid))
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os.chown(dst_dir, new_permissions.st_uid, new_permissions.st_gid)
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for file_ in files:
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src_file = os.path.join(src_dir, file_)
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dst_file = os.path.join(dst_dir, file_)
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if os.path.exists(dst_file):
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if change_permissions:
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permission = os.stat(dst_file)
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logging.getLogger('cps.web').debug('Remove file before copy: '+dst_file)
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os.remove(dst_file)
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else:
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if change_permissions:
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permission = new_permissions
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shutil.move(src_file, dst_dir)
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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)
|