mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-28 04:19:59 +00:00
Add possibility to replace kepub metadata on download
This commit is contained in:
Ozzie Isaacs
parent
e0327db08f
commit
b8031cd53f
25
cps/epub.py
25
cps/epub.py
@ -23,10 +23,12 @@ from lxml import etree
|
||||
from . import isoLanguages, cover
|
||||
from . import config, logger
|
||||
from .helper import split_authors
|
||||
from .epub_helper import get_content_opf, default_ns
|
||||
from .constants import BookMeta
|
||||
|
||||
log = logger.create()
|
||||
|
||||
|
||||
def _extract_cover(zip_file, cover_file, cover_path, tmp_file_name):
|
||||
if cover_file is None:
|
||||
return None
|
||||
@ -44,24 +46,14 @@ def _extract_cover(zip_file, cover_file, cover_path, tmp_file_name):
|
||||
return cover.cover_processing(tmp_file_name, cf, extension)
|
||||
|
||||
def get_epub_layout(book, book_data):
|
||||
ns = {
|
||||
'n': 'urn:oasis:names:tc:opendocument:xmlns:container',
|
||||
'pkg': 'http://www.idpf.org/2007/opf',
|
||||
}
|
||||
file_path = os.path.normpath(os.path.join(config.get_book_path(),
|
||||
book.path, book_data.name + "." + book_data.format.lower()))
|
||||
|
||||
try:
|
||||
epubZip = zipfile.ZipFile(file_path)
|
||||
txt = epubZip.read('META-INF/container.xml')
|
||||
tree = etree.fromstring(txt)
|
||||
cfname = tree.xpath('n:rootfiles/n:rootfile/@full-path', namespaces=ns)[0]
|
||||
cf = epubZip.read(cfname)
|
||||
tree, __ = get_content_opf(file_path, default_ns)
|
||||
p = tree.xpath('/pkg:package/pkg:metadata', namespaces=default_ns)[0]
|
||||
|
||||
tree = etree.fromstring(cf)
|
||||
p = tree.xpath('/pkg:package/pkg:metadata', namespaces=ns)[0]
|
||||
|
||||
layout = p.xpath('pkg:meta[@property="rendition:layout"]/text()', namespaces=ns)
|
||||
layout = p.xpath('pkg:meta[@property="rendition:layout"]/text()', namespaces=default_ns)
|
||||
except (etree.XMLSyntaxError, KeyError, IndexError) as e:
|
||||
log.error("Could not parse epub metadata of book {} during kobo sync: {}".format(book.id, e))
|
||||
layout = []
|
||||
@ -80,12 +72,7 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
|
||||
}
|
||||
|
||||
epub_zip = zipfile.ZipFile(tmp_file_path)
|
||||
|
||||
txt = epub_zip.read('META-INF/container.xml')
|
||||
tree = etree.fromstring(txt)
|
||||
cf_name = tree.xpath('n:rootfiles/n:rootfile/@full-path', namespaces=ns)[0]
|
||||
cf = epub_zip.read(cf_name)
|
||||
tree = etree.fromstring(cf)
|
||||
tree, cf_name = get_content_opf(epub_zip, ns)
|
||||
|
||||
cover_path = os.path.dirname(cf_name)
|
||||
|
||||
|
||||
162
cps/epub_helper.py
Normal file
162
cps/epub_helper.py
Normal file
@ -0,0 +1,162 @@
|
||||
# -*- coding: utf-8 -*-
|
||||
|
||||
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
|
||||
# Copyright (C) 2018 lemmsh, Kennyl, Kyosfonica, matthazinski
|
||||
#
|
||||
# This program is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
import zipfile
|
||||
from lxml import etree
|
||||
|
||||
from . import isoLanguages
|
||||
|
||||
default_ns = {
|
||||
'n': 'urn:oasis:names:tc:opendocument:xmlns:container',
|
||||
'pkg': 'http://www.idpf.org/2007/opf',
|
||||
}
|
||||
|
||||
OPF_NAMESPACE = "http://www.idpf.org/2007/opf"
|
||||
PURL_NAMESPACE = "http://purl.org/dc/elements/1.1/"
|
||||
|
||||
OPF = "{%s}" % OPF_NAMESPACE
|
||||
PURL = "{%s}" % PURL_NAMESPACE
|
||||
|
||||
etree.register_namespace("opf", OPF_NAMESPACE)
|
||||
etree.register_namespace("dc", PURL_NAMESPACE)
|
||||
|
||||
OPF_NS = {None: OPF_NAMESPACE} # the default namespace (no prefix)
|
||||
NSMAP = {'dc': PURL_NAMESPACE, 'opf': OPF_NAMESPACE}
|
||||
|
||||
|
||||
def updateEpub(src, dest, filename, data, ):
|
||||
# create a temp copy of the archive without filename
|
||||
with zipfile.ZipFile(src, 'r') as zin:
|
||||
with zipfile.ZipFile(dest, 'w') as zout:
|
||||
zout.comment = zin.comment # preserve the comment
|
||||
for item in zin.infolist():
|
||||
if item.filename != filename:
|
||||
zout.writestr(item, zin.read(item.filename))
|
||||
|
||||
# now add filename with its new data
|
||||
with zipfile.ZipFile(dest, mode='a', compression=zipfile.ZIP_DEFLATED) as zf:
|
||||
zf.writestr(filename, data)
|
||||
|
||||
|
||||
def get_content_opf(file_path, ns=default_ns):
|
||||
epubZip = zipfile.ZipFile(file_path)
|
||||
txt = epubZip.read('META-INF/container.xml')
|
||||
tree = etree.fromstring(txt)
|
||||
cf_name = tree.xpath('n:rootfiles/n:rootfile/@full-path', namespaces=ns)[0]
|
||||
cf = epubZip.read(cf_name)
|
||||
|
||||
return etree.fromstring(cf), cf_name
|
||||
|
||||
|
||||
def create_new_metadata_backup(book, custom_columns, export_language, translated_cover_name, lang_type=3):
|
||||
# generate root package element
|
||||
package = etree.Element(OPF + "package", nsmap=OPF_NS)
|
||||
package.set("unique-identifier", "uuid_id")
|
||||
package.set("version", "2.0")
|
||||
|
||||
# generate metadata element and all sub elements of it
|
||||
metadata = etree.SubElement(package, "metadata", nsmap=NSMAP)
|
||||
identifier = etree.SubElement(metadata, PURL + "identifier", id="calibre_id", nsmap=NSMAP)
|
||||
identifier.set(OPF + "scheme", "calibre")
|
||||
identifier.text = str(book.id)
|
||||
identifier2 = etree.SubElement(metadata, PURL + "identifier", id="uuid_id", nsmap=NSMAP)
|
||||
identifier2.set(OPF + "scheme", "uuid")
|
||||
identifier2.text = book.uuid
|
||||
title = etree.SubElement(metadata, PURL + "title", nsmap=NSMAP)
|
||||
title.text = book.title
|
||||
for author in book.authors:
|
||||
creator = etree.SubElement(metadata, PURL + "creator", nsmap=NSMAP)
|
||||
creator.text = str(author.name)
|
||||
creator.set(OPF + "file-as", book.author_sort) # ToDo Check
|
||||
creator.set(OPF + "role", "aut")
|
||||
contributor = etree.SubElement(metadata, PURL + "contributor", nsmap=NSMAP)
|
||||
contributor.text = "calibre (5.7.2) [https://calibre-ebook.com]"
|
||||
contributor.set(OPF + "file-as", "calibre") # ToDo Check
|
||||
contributor.set(OPF + "role", "bkp")
|
||||
|
||||
date = etree.SubElement(metadata, PURL + "date", nsmap=NSMAP)
|
||||
date.text = '{d.year:04}-{d.month:02}-{d.day:02}T{d.hour:02}:{d.minute:02}:{d.second:02}'.format(d=book.pubdate)
|
||||
if book.comments and book.comments[0].text:
|
||||
for b in book.comments:
|
||||
description = etree.SubElement(metadata, PURL + "description", nsmap=NSMAP)
|
||||
description.text = b.text
|
||||
for b in book.publishers:
|
||||
publisher = etree.SubElement(metadata, PURL + "publisher", nsmap=NSMAP)
|
||||
publisher.text = str(b.name)
|
||||
if not book.languages:
|
||||
language = etree.SubElement(metadata, PURL + "language", nsmap=NSMAP)
|
||||
language.text = export_language
|
||||
else:
|
||||
for b in book.languages:
|
||||
language = etree.SubElement(metadata, PURL + "language", nsmap=NSMAP)
|
||||
language.text = str(b.lang_code) if lang_type == 3 else isoLanguages.get(part3=b.lang_code).part1
|
||||
for b in book.tags:
|
||||
subject = etree.SubElement(metadata, PURL + "subject", nsmap=NSMAP)
|
||||
subject.text = str(b.name)
|
||||
etree.SubElement(metadata, "meta", name="calibre:author_link_map",
|
||||
content="{" + ", ".join(['"' + str(a.name) + '": ""' for a in book.authors]) + "}",
|
||||
nsmap=NSMAP)
|
||||
for b in book.series:
|
||||
etree.SubElement(metadata, "meta", name="calibre:series",
|
||||
content=str(str(b.name)),
|
||||
nsmap=NSMAP)
|
||||
if book.series:
|
||||
etree.SubElement(metadata, "meta", name="calibre:series_index",
|
||||
content=str(book.series_index),
|
||||
nsmap=NSMAP)
|
||||
if len(book.ratings) and book.ratings[0].rating > 0:
|
||||
etree.SubElement(metadata, "meta", name="calibre:rating",
|
||||
content=str(book.ratings[0].rating),
|
||||
nsmap=NSMAP)
|
||||
etree.SubElement(metadata, "meta", name="calibre:timestamp",
|
||||
content='{d.year:04}-{d.month:02}-{d.day:02}T{d.hour:02}:{d.minute:02}:{d.second:02}'.format(
|
||||
d=book.timestamp),
|
||||
nsmap=NSMAP)
|
||||
etree.SubElement(metadata, "meta", name="calibre:title_sort",
|
||||
content=book.sort,
|
||||
nsmap=NSMAP)
|
||||
sequence = 0
|
||||
for cc in custom_columns:
|
||||
value = None
|
||||
extra = None
|
||||
cc_entry = getattr(book, "custom_column_" + str(cc.id))
|
||||
if cc_entry.__len__():
|
||||
value = [c.value for c in cc_entry] if cc.is_multiple else cc_entry[0].value
|
||||
extra = cc_entry[0].extra if hasattr(cc_entry[0], "extra") else None
|
||||
etree.SubElement(metadata, "meta", name="calibre:user_metadata:#{}".format(cc.label),
|
||||
content=cc.to_json(value, extra, sequence),
|
||||
nsmap=NSMAP)
|
||||
sequence += 1
|
||||
|
||||
# generate guide element and all sub elements of it
|
||||
# Title is translated from default export language
|
||||
guide = etree.SubElement(package, "guide")
|
||||
etree.SubElement(guide, "reference", type="cover", title=translated_cover_name, href="cover.jpg")
|
||||
|
||||
return package
|
||||
|
||||
def replace_metadata(tree, package):
|
||||
rep_element = tree.xpath('/pkg:package/pkg:metadata', namespaces=default_ns)[0]
|
||||
new_element = package.xpath('//metadata', namespaces=default_ns)[0]
|
||||
tree.replace(rep_element, new_element)
|
||||
return etree.tostring(tree,
|
||||
xml_declaration=True,
|
||||
encoding='utf-8',
|
||||
pretty_print=True).decode('utf-8')
|
||||
|
||||
|
||||
@ -28,6 +28,7 @@ from datetime import datetime, timedelta
|
||||
import requests
|
||||
import unidecode
|
||||
from uuid import uuid4
|
||||
from lxml import etree
|
||||
|
||||
from flask import send_from_directory, make_response, redirect, abort, url_for
|
||||
from flask_babel import gettext as _
|
||||
@ -61,6 +62,7 @@ from .tasks.mail import TaskEmail
|
||||
from .tasks.thumbnail import TaskClearCoverThumbnailCache, TaskGenerateCoverThumbnails
|
||||
from .tasks.metadata_backup import TaskBackupMetadata
|
||||
from .file_helper import get_temp_dir
|
||||
from .epub_helper import get_content_opf, create_new_metadata_backup, updateEpub, replace_metadata
|
||||
|
||||
log = logger.create()
|
||||
|
||||
@ -942,13 +944,18 @@ def do_download_file(book, book_format, client, data, headers):
|
||||
df = gd.getFileFromEbooksFolder(book.path, book_name + "." + book_format)
|
||||
# log.debug('%s', time.time() - startTime)
|
||||
if df:
|
||||
if config.config_binariesdir and config.config_embed_metadata:
|
||||
if config.config_embed_metadata and (
|
||||
(book_format == "kepub" and config.config_kepubifypath ) or
|
||||
(book_format != "kepub" and config.config_binariesdir)):
|
||||
output_path = os.path.join(config.config_calibre_dir, book.path)
|
||||
if not os.path.exists(output_path):
|
||||
os.makedirs(output_path)
|
||||
output = os.path.join(config.config_calibre_dir, book.path, book_name + "." + book_format)
|
||||
gd.downloadFile(book.path, book_name + "." + book_format, output)
|
||||
filename, download_name = do_calibre_export(book.id, book_format)
|
||||
if book_format == "kepub" and config.config_kepubifypath:
|
||||
filename, download_name = do_kepubify_metadata_replace(book, output)
|
||||
elif book_format != "kepub" and config.config_binariesdir:
|
||||
filename, download_name = do_calibre_export(book.id, book_format)
|
||||
else:
|
||||
return gd.do_gdrive_download(df, headers)
|
||||
else:
|
||||
@ -962,8 +969,11 @@ def do_download_file(book, book_format, client, data, headers):
|
||||
if client == "kobo" and book_format == "kepub":
|
||||
headers["Content-Disposition"] = headers["Content-Disposition"].replace(".kepub", ".kepub.epub")
|
||||
|
||||
if config.config_binariesdir and config.config_embed_metadata:
|
||||
filename, download_name = do_calibre_export(book.id, book_format)
|
||||
if book_format == "kepub" and config.config_kepubifypath and config.config_embed_metadata:
|
||||
filename, download_name = do_kepubify_metadata_replace(book, os.path.join(filename,
|
||||
book_name + "." + book_format))
|
||||
elif book_format != "kepub" and config.config_binariesdir and config.config_embed_metadata:
|
||||
filename, download_name = do_calibre_export(book.id, book_format)
|
||||
else:
|
||||
download_name = book_name
|
||||
|
||||
@ -975,7 +985,23 @@ def do_download_file(book, book_format, client, data, headers):
|
||||
return response
|
||||
|
||||
|
||||
def do_calibre_export(book_id, book_format):
|
||||
def do_kepubify_metadata_replace(book, file_path):
|
||||
custom_columns = (calibre_db.session.query(db.CustomColumns)
|
||||
.filter(db.CustomColumns.mark_for_delete == 0)
|
||||
.filter(db.CustomColumns.datatype.notin_(db.cc_exceptions))
|
||||
.order_by(db.CustomColumns.label).all())
|
||||
|
||||
tree, cf_name = get_content_opf(file_path)
|
||||
package = create_new_metadata_backup(book, custom_columns, current_user.locale, _("Cover"), lang_type=2)
|
||||
content = replace_metadata(tree, package)
|
||||
tmp_dir = get_temp_dir()
|
||||
temp_file_name = str(uuid4())
|
||||
# open zipfile and replace metadata block in content.opf
|
||||
updateEpub(file_path, os.path.join(tmp_dir, temp_file_name + ".kepub"), cf_name, content)
|
||||
return tmp_dir, temp_file_name
|
||||
|
||||
|
||||
def do_calibre_export(book_id, book_format, ):
|
||||
try:
|
||||
quotes = [3, 5, 7, 9]
|
||||
tmp_dir = get_temp_dir()
|
||||
@ -1081,7 +1107,7 @@ def tags_filters():
|
||||
|
||||
|
||||
# checks if domain is in database (including wildcards)
|
||||
# example SELECT * FROM @TABLE WHERE 'abcdefg' LIKE Name;
|
||||
# example SELECT * FROM @TABLE WHERE 'abcdefg' LIKE Name;
|
||||
# from https://code.luasoftware.com/tutorials/flask/execute-raw-sql-in-flask-sqlalchemy/
|
||||
# in all calls the email address is checked for validity
|
||||
def check_valid_domain(domain_text):
|
||||
|
||||
@ -17,26 +17,13 @@
|
||||
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
import os
|
||||
from urllib.request import urlopen
|
||||
from lxml import etree
|
||||
|
||||
|
||||
from cps import config, db, gdriveutils, logger
|
||||
from cps.services.worker import CalibreTask
|
||||
from flask_babel import lazy_gettext as N_
|
||||
|
||||
OPF_NAMESPACE = "http://www.idpf.org/2007/opf"
|
||||
PURL_NAMESPACE = "http://purl.org/dc/elements/1.1/"
|
||||
|
||||
OPF = "{%s}" % OPF_NAMESPACE
|
||||
PURL = "{%s}" % PURL_NAMESPACE
|
||||
|
||||
etree.register_namespace("opf", OPF_NAMESPACE)
|
||||
etree.register_namespace("dc", PURL_NAMESPACE)
|
||||
|
||||
OPF_NS = {None: OPF_NAMESPACE} # the default namespace (no prefix)
|
||||
NSMAP = {'dc': PURL_NAMESPACE, 'opf': OPF_NAMESPACE}
|
||||
|
||||
from ..epub_helper import create_new_metadata_backup
|
||||
|
||||
class TaskBackupMetadata(CalibreTask):
|
||||
|
||||
@ -101,7 +88,8 @@ class TaskBackupMetadata(CalibreTask):
|
||||
self.calibre_db.session.close()
|
||||
|
||||
def open_metadata(self, book, custom_columns):
|
||||
package = self.create_new_metadata_backup(book, custom_columns)
|
||||
# package = self.create_new_metadata_backup(book, custom_columns)
|
||||
package = create_new_metadata_backup(book, custom_columns, self.export_language)
|
||||
if config.config_use_google_drive:
|
||||
if not gdriveutils.is_gdrive_ready():
|
||||
raise Exception('Google Drive is configured but not ready')
|
||||
@ -123,7 +111,7 @@ class TaskBackupMetadata(CalibreTask):
|
||||
except Exception as ex:
|
||||
raise Exception('Writing Metadata failed with error: {} '.format(ex))
|
||||
|
||||
def create_new_metadata_backup(self, book, custom_columns):
|
||||
'''def create_new_metadata_backup(self, book, custom_columns):
|
||||
# generate root package element
|
||||
package = etree.Element(OPF + "package", nsmap=OPF_NS)
|
||||
package.set("unique-identifier", "uuid_id")
|
||||
@ -208,7 +196,7 @@ class TaskBackupMetadata(CalibreTask):
|
||||
guide = etree.SubElement(package, "guide")
|
||||
etree.SubElement(guide, "reference", type="cover", title=self.translated_title, href="cover.jpg")
|
||||
|
||||
return package
|
||||
return package'''
|
||||
|
||||
@property
|
||||
def name(self):
|
||||
|
||||
@ -105,7 +105,7 @@
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<input type="checkbox" id="config_embed_metadata" name="config_embed_metadata" {% if config.config_embed_metadata %}checked{% endif %}>
|
||||
<label for="config_embed_metadata">{{_('Embed Metadata to Ebook File on Download and Conversion (needs Calibre binaries')}}</label>
|
||||
<label for="config_embed_metadata">{{_('Embed Metadata to Ebook File on Download and Conversion (needs Calibre/Kepubify binaries)')}}</label>
|
||||
</div>
|
||||
<div class="form-group">
|
||||
<input type="checkbox" id="config_uploading" data-control="upload_settings" name="config_uploading" {% if config.config_uploading %}checked{% endif %}>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user