Merge branch 'Develop'
Separate library from metadata file embed metadata on downloadpull/2695/merge
Ozzie Isaacs
3 months ago
commit
8549689a0f
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# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2018 lemmsh, Kennyl, Kyosfonica, matthazinski
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import zipfile
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from lxml import etree
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from . import isoLanguages
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default_ns = {
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'n': 'urn:oasis:names:tc:opendocument:xmlns:container',
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'pkg': 'http://www.idpf.org/2007/opf',
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}
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OPF_NAMESPACE = "http://www.idpf.org/2007/opf"
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PURL_NAMESPACE = "http://purl.org/dc/elements/1.1/"
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OPF = "{%s}" % OPF_NAMESPACE
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PURL = "{%s}" % PURL_NAMESPACE
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etree.register_namespace("opf", OPF_NAMESPACE)
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etree.register_namespace("dc", PURL_NAMESPACE)
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OPF_NS = {None: OPF_NAMESPACE} # the default namespace (no prefix)
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NSMAP = {'dc': PURL_NAMESPACE, 'opf': OPF_NAMESPACE}
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def updateEpub(src, dest, filename, data, ):
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# create a temp copy of the archive without filename
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with zipfile.ZipFile(src, 'r') as zin:
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with zipfile.ZipFile(dest, 'w') as zout:
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zout.comment = zin.comment # preserve the comment
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for item in zin.infolist():
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if item.filename != filename:
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zout.writestr(item, zin.read(item.filename))
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# now add filename with its new data
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with zipfile.ZipFile(dest, mode='a', compression=zipfile.ZIP_DEFLATED) as zf:
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zf.writestr(filename, data)
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def get_content_opf(file_path, ns=default_ns):
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epubZip = zipfile.ZipFile(file_path)
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txt = epubZip.read('META-INF/container.xml')
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tree = etree.fromstring(txt)
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cf_name = tree.xpath('n:rootfiles/n:rootfile/@full-path', namespaces=ns)[0]
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cf = epubZip.read(cf_name)
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return etree.fromstring(cf), cf_name
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def create_new_metadata_backup(book, custom_columns, export_language, translated_cover_name, lang_type=3):
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# generate root package element
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package = etree.Element(OPF + "package", nsmap=OPF_NS)
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package.set("unique-identifier", "uuid_id")
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package.set("version", "2.0")
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# generate metadata element and all sub elements of it
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metadata = etree.SubElement(package, "metadata", nsmap=NSMAP)
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identifier = etree.SubElement(metadata, PURL + "identifier", id="calibre_id", nsmap=NSMAP)
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identifier.set(OPF + "scheme", "calibre")
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identifier.text = str(book.id)
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identifier2 = etree.SubElement(metadata, PURL + "identifier", id="uuid_id", nsmap=NSMAP)
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identifier2.set(OPF + "scheme", "uuid")
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identifier2.text = book.uuid
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title = etree.SubElement(metadata, PURL + "title", nsmap=NSMAP)
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title.text = book.title
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for author in book.authors:
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creator = etree.SubElement(metadata, PURL + "creator", nsmap=NSMAP)
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creator.text = str(author.name)
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creator.set(OPF + "file-as", book.author_sort) # ToDo Check
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creator.set(OPF + "role", "aut")
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contributor = etree.SubElement(metadata, PURL + "contributor", nsmap=NSMAP)
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contributor.text = "calibre (5.7.2) [https://calibre-ebook.com]"
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contributor.set(OPF + "file-as", "calibre") # ToDo Check
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contributor.set(OPF + "role", "bkp")
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date = etree.SubElement(metadata, PURL + "date", nsmap=NSMAP)
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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)
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if book.comments and book.comments[0].text:
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for b in book.comments:
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description = etree.SubElement(metadata, PURL + "description", nsmap=NSMAP)
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description.text = b.text
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for b in book.publishers:
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publisher = etree.SubElement(metadata, PURL + "publisher", nsmap=NSMAP)
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publisher.text = str(b.name)
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if not book.languages:
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language = etree.SubElement(metadata, PURL + "language", nsmap=NSMAP)
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language.text = export_language
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else:
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for b in book.languages:
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language = etree.SubElement(metadata, PURL + "language", nsmap=NSMAP)
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language.text = str(b.lang_code) if lang_type == 3 else isoLanguages.get(part3=b.lang_code).part1
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for b in book.tags:
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subject = etree.SubElement(metadata, PURL + "subject", nsmap=NSMAP)
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subject.text = str(b.name)
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etree.SubElement(metadata, "meta", name="calibre:author_link_map",
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content="{" + ", ".join(['"' + str(a.name) + '": ""' for a in book.authors]) + "}",
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nsmap=NSMAP)
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for b in book.series:
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etree.SubElement(metadata, "meta", name="calibre:series",
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content=str(str(b.name)),
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nsmap=NSMAP)
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if book.series:
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etree.SubElement(metadata, "meta", name="calibre:series_index",
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content=str(book.series_index),
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nsmap=NSMAP)
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if len(book.ratings) and book.ratings[0].rating > 0:
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etree.SubElement(metadata, "meta", name="calibre:rating",
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content=str(book.ratings[0].rating),
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nsmap=NSMAP)
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etree.SubElement(metadata, "meta", name="calibre:timestamp",
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content='{d.year:04}-{d.month:02}-{d.day:02}T{d.hour:02}:{d.minute:02}:{d.second:02}'.format(
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d=book.timestamp),
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nsmap=NSMAP)
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etree.SubElement(metadata, "meta", name="calibre:title_sort",
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content=book.sort,
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nsmap=NSMAP)
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sequence = 0
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for cc in custom_columns:
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value = None
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extra = None
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cc_entry = getattr(book, "custom_column_" + str(cc.id))
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if cc_entry.__len__():
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value = [c.value for c in cc_entry] if cc.is_multiple else cc_entry[0].value
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extra = cc_entry[0].extra if hasattr(cc_entry[0], "extra") else None
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etree.SubElement(metadata, "meta", name="calibre:user_metadata:#{}".format(cc.label),
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content=cc.to_json(value, extra, sequence),
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nsmap=NSMAP)
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sequence += 1
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# generate guide element and all sub elements of it
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# Title is translated from default export language
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guide = etree.SubElement(package, "guide")
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etree.SubElement(guide, "reference", type="cover", title=translated_cover_name, href="cover.jpg")
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return package
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def replace_metadata(tree, package):
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rep_element = tree.xpath('/pkg:package/pkg:metadata', namespaces=default_ns)[0]
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new_element = package.xpath('//metadata', namespaces=default_ns)[0]
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tree.replace(rep_element, new_element)
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return etree.tostring(tree,
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xml_declaration=True,
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encoding='utf-8',
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pretty_print=True).decode('utf-8')
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@ -0,0 +1,32 @@
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# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2023 OzzieIsaacs
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from tempfile import gettempdir
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import os
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import shutil
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def get_temp_dir():
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tmp_dir = os.path.join(gettempdir(), 'calibre_web')
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if not os.path.isdir(tmp_dir):
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os.mkdir(tmp_dir)
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return tmp_dir
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def del_temp_dir():
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tmp_dir = os.path.join(gettempdir(), 'calibre_web')
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shutil.rmtree(tmp_dir)
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@ -0,0 +1,47 @@
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# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2023 OzzieIsaacs
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from urllib.request import urlopen
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from flask_babel import lazy_gettext as N_
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from cps import logger, file_helper
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from cps.services.worker import CalibreTask
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class TaskDeleteTempFolder(CalibreTask):
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def __init__(self, task_message=N_('Delete temp folder contents')):
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super(TaskDeleteTempFolder, self).__init__(task_message)
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self.log = logger.create()
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def run(self, worker_thread):
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try:
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file_helper.del_temp_dir()
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except FileNotFoundError:
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pass
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except (PermissionError, OSError) as e:
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self.log.error("Error deleting temp folder: {}".format(e))
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self._handleSuccess()
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@property
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def name(self):
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return "Delete Temp Folder"
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@property
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def is_cancellable(self):
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return False
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