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comicbook.py
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comicbook.py
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#!/usr/bin/env python3
import tempfile
import os
import sys
from lxml import etree
import zipfile
import json
from datetime import datetime
import glob
import kindleunpack.kindleunpack
def parse_xml(file):
parser = etree.XMLParser(recover=True)
xml = etree.parse(file, parser=parser)
return xml
class ComicMetadata:
writer_synonyms = ['writer', 'plotter', 'scripter']
penciller_synonyms = ['artist', 'penciller', 'penciler', 'breakdowns']
inker_synonyms = ['inker', 'artist', 'finishes']
colorist_synonyms = ['colorist', 'colourist', 'colorer', 'colourer']
letterer_synonyms = ['letterer']
cover_synonyms = ['cover', 'covers', 'coverartist', 'cover artist']
editor_synonyms = ['editor']
def __init__(self):
self.title = None
self.credits = []
self.series = None
self.volume = None
self.count = None
self.year = None
self.month = None
self.publisher = None
self.language = None
self.summary = None
self.toc = []
self.spread_map = []
def map_toc(self, page_map):
for i in range(len(self.toc)):
old_page = self.toc[i][0]
new_page = old_page
# Find in page map
# Pages should not be that high so just do O(n^2)
for a, b in page_map:
if a == old_page:
new_page = b
break
self.toc[i][0] = new_page
# Read from EPUB/AZW3 OPF file from LXML ETree
def read_opf_tree(self, tree):
root = tree.getroot()
xmlns = {
'opf': 'http://www.idpf.org/2007/opf',
'dc': 'http://purl.org/dc/elements/1.1/',
}
def read_from_xml(tag_name):
elem = root.find('.//{}'.format(tag_name), xmlns)
if elem is not None:
return elem.text
return None
self.title = read_from_xml('dc:title')
self.publisher = read_from_xml('dc:publisher')
self.language = read_from_xml('dc:language')
for tag in root.findall('.//dc:creator', xmlns):
self.credits.append({
'person': tag.text,
'role': 'artist'
})
for tag in root.findall('.//meta'):
if tag.get('name') == 'calibre:series':
self.series = tag.get('content')
if tag.get('name') == 'calibre:series_index':
self.volume = int(float(tag.get['content']))
date = read_from_xml('dc:date')
if date:
dt = datetime.fromisoformat(date)
self.year = dt.year
self.month = dt.month
def read_ncx(self, tree, images_list):
# Table of content
toc = []
try:
root = tree.getroot()
xmlns = {
'ncx': 'http://www.daisy.org/z3986/2005/ncx/',
}
for nav_point in root.findall('./ncx:navMap/ncx:navPoint', xmlns):
title = nav_point.find('./ncx:navLabel/ncx:text', xmlns).text
href = nav_point.find('./ncx:content', xmlns).get('src')
order = nav_point.get('playOrder')
toc.append((title, href, order))
except:
return
toc.sort(key=lambda x: int(x[2]))
if len(toc) == 0:
return []
flat_toc = []
toc_idx = 0
cnt = 0
for file, src in images_list:
if file == toc[toc_idx][1]:
flat_toc.append([cnt, toc[toc_idx][0]])
toc_idx += 1
if toc_idx == len(toc):
break
cnt += 1
self.toc = flat_toc
def generate_opf(self):
raise NotImplementedError()
def generate_ncx(self):
raise NotImplementedError()
# ComicInfoXML
# https://github.com/anansi-project/comicinfo
# https://github.com/anansi-project/comicinfo/blob/main/schema/v2.0/ComicInfo.xsd
# https://github.com/ciromattia/kcc/wiki/ComicRack-metadata
def read_comicinfoxml(self, tree):
root = tree.getroot()
def read_from_xml(tag):
el = root.find('.//{}'.format(tag))
if el is not None and len(el) > 0:
return el.text
return None
def read_credit(tag, role):
el = root.find('.//{}'.format(tag))
if el is not None and len(el) > 0:
self.credits.append({
'person': el.text,
'role': role
})
self.title = read_from_xml('Title')
self.series = read_from_xml('Series')
self.volume = read_from_xml('Volume')
self.count = read_from_xml('Count')
self.year = read_from_xml('Year')
self.month = read_from_xml('Month')
self.publisher = read_from_xml('Publisher')
self.language = read_from_xml('LanguageISO')
self.summary = read_from_xml('Summary')
self.credits = []
read_credit('Writer', 'Writer')
read_credit('Penciller', 'Penciller')
read_credit('Inker', 'Inker')
read_credit('Colorist', 'Colorer')
read_credit('Letterer', 'Leterrer')
read_credit('CoverArtist', 'Cover')
read_credit('Editor', 'Editor')
self.toc = []
for elem in root.findall('.//Page'):
if elem.get('Bookmark'):
self.toc.append([int(elem.get('Image')), elem.get('Bookmark')])
def generate_comicinfoxml(self):
xml = '<?xml version="1.0" encoding="utf-8"?>\n'
xml += '<ComicInfo xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">\n'
if self.title:
xml += '\t<Title><![CDATA[{}]]></Title>\n'.format(self.title)
if self.series:
xml += '\t<Series><![CDATA[{}]]></Series>\n'.format(self.series)
if self.volume:
xml += '\t<Volume>{}</Volume>\n'.format(self.volume)
if self.count:
xml += '\t<Count>{}</Count>\n'.format(self.count)
if self.year:
xml += '\t<Year>{}</Year>\n'.format(self.year)
if self.month:
xml += '\t<Month>{}</Month>\n'.format(self.month)
if self.publisher:
xml += '\t<Publisher><![CDATA[{}]]></Publisher>\n'.format(self.publisher)
if self.language:
xml += '\t<LanguageISO>{}</LanguageISO>\n'.format(self.language)
if self.summary:
xml += '\t<Summary><![CDATA[{}]]></Summary>\n'.format(self.summary)
for people in self.credits:
if people['role'].lower() in self.writer_synonyms:
xml += '\t<Writer><![CDATA[{}]]></Writer>\n'.format(people['person'])
if people['role'].lower() in self.penciller_synonyms:
xml += '\t<Penciller><![CDATA[{}]]></Penciller>\n'.format(people['person'])
if people['role'].lower() in self.inker_synonyms:
xml += '\t<Inker><![CDATA[{}]]></Inker>\n'.format(people['person'])
if people['role'].lower() in self.colorist_synonyms:
xml += '\t<Colorist><![CDATA[{}]]></Colorist>\n'.format(people['person'])
if people['role'].lower() in self.letterer_synonyms:
xml += '\t<Letterer><![CDATA[{}]]></Letterer>\n'.format(people['person'])
if people['role'].lower() in self.cover_synonyms:
xml += '\t<CoverArtist><![CDATA[{}]]></CoverArtist>\n'.format(people['person'])
if people['role'].lower() in self.editor_synonyms:
xml += '\t<Editor><![CDATA[{}]]></Editor>\n'.format(people['person'])
if len(self.toc) > 0:
xml += '\t<Pages>\n'
for item in self.toc:
xml += '\t\t<Pages Image="{}" Bookmark="{}"/>\n'.format(item[0], item[1])
xml += '\t</Pages>\n'
xml += '</ComicInfo>\n'
return xml
# ComicBookInfo
# https://code.google.com/archive/p/comicbookinfo/wikis/Example.wiki
# https://github.com/dickloraine/EmbedComicMetadata/blob/master/comicinfoxml.py
def read_comicbookinfo(self, json_string):
try:
container = json.loads(json_string)
except:
return False
if 'ComicBookInfo/1.0' not in container:
return False
metadata = container['ComicBookInfo/1.0']
def read_from_json(value):
if value in metadata:
return metadata[value]
else:
return None
self.credits = read_from_json('credits')
self.title = read_from_json('title')
self.series = read_from_json('series')
self.volume = read_from_json('volume')
self.count = read_from_json('numberOfVolumes')
self.year = read_from_json('publicationYear')
self.month = read_from_json('publicationMonth')
self.publisher = read_from_json('publisher')
self.language = read_from_json('language')
self.summary = read_from_json('comments')
if self.credits is None:
self.credits = []
return True
def generate_comicbookinfo(self):
metadata = {}
if self.title:
metadata['title'] = self.title
if len(self.credits) > 0:
metadata['credits'] = self.credits
if self.series:
metadata['series'] = self.series
if self.volume:
metadata['volume'] = self.volume
if self.count:
metadata['numberOfVolumes'] = self.count
if self.year:
metadata['publicationYear'] = self.year
if self.month:
metadata['publicationMonth'] = self.month
if self.publisher:
metadata['publisher'] = self.publisher
if self.language:
metadata['language'] = self.language
if self.summary:
metadata['comments'] = self.summary
container = {
'appID': 'github.com/innocenat/comic-book-tools/dev',
'lastModified': str(datetime.now()),
'ComicBookInfo/1.0': metadata
}
return json.dumps(container)
class ComicBook:
def __init__(self):
self.metadata = ComicMetadata()
self.images = []
self.direction = 1
self._dir = tempfile.TemporaryDirectory()
self.dir_name = self._dir.name
def close(self):
self._dir.cleanup()
def __enter__(self):
return self
def __exit__(self, type, value, tb):
self.close()
class EPUBComicReader(ComicBook):
def __init__(self, book_file):
super().__init__()
self._extract_book(book_file)
# Find OPF file
opf_file = self._find_opf()
# Read OPF file
self.images = self._read_opf(opf_file)
def _find_opf(self):
container_xml = os.path.join(self.dir_name, 'META-INF', 'container.xml')
tree = parse_xml(container_xml)
root = tree.getroot()
for rootfile in root.findall('.//{urn:oasis:names:tc:opendocument:xmlns:container}rootfile'):
if rootfile.get('media-type') == 'application/oebps-package+xml':
return rootfile.get('full-path')
raise Exception('Cannot find OPF file in META-INF/container.xml')
def _read_opf(self, opf_file):
opf_xml = os.path.join(self.dir_name, opf_file)
tree = parse_xml(opf_xml)
root = tree.getroot()
# Read metadata
self.metadata.read_opf_tree(tree)
xmlns = {
'opf': 'http://www.idpf.org/2007/opf',
'dc': 'http://purl.org/dc/elements/1.1/',
'xhtml': 'http://www.w3.org/1999/xhtml',
'svg': 'http://www.w3.org/2000/svg',
'xlink': 'http://www.w3.org/1999/xlink',
}
# Read spine
spine = root.find('.//opf:spine', xmlns)
spine_list = []
for itemref in spine.findall('.//opf:itemref', xmlns):
idref = itemref.get('idref')
item = root.find('.//opf:item[@id="{}"]'.format(idref), xmlns)
href = item.get('href')
spine_list.append(href)
# Read direction
for spine in root.findall('.//opf:spine', xmlns):
if spine.get('page-progression-direction') == 'rtl':
self.direction = -1
# Read image from each page in spine
base_path = os.path.join(self.dir_name, os.path.dirname(opf_xml))
images_list = []
for page in spine_list:
page_path = os.path.join(base_path, page)
tree = parse_xml(page_path)
page_root = tree.getroot()
found_image = False
# Read SVG image first
for img in page_root.findall('.//svg:image', xmlns):
src = img.get('{{{}}}href'.format(xmlns['xlink']))
src = os.path.join(os.path.dirname(page_path), src)
images_list.append((page, src))
found_image = True
if not found_image:
# Find using XHTML img tag instead
for img in page_root.findall('.//xhtml:img', xmlns):
src = img.get('src')
src = os.path.join(os.path.dirname(page_path), src)
images_list.append((page, src))
found_image = True
if not found_image:
# Find using html img tag instead
for img in page_root.findall('.//img', xmlns):
src = img.get('src')
src = os.path.join(os.path.dirname(page_path), src)
images_list.append((page, src))
found_image = True
try:
ncx_id = root.find('.//opf:spine', xmlns).get('toc')
ncx_item = root.find('.//opf:item[@id="{}"]'.format(ncx_id), xmlns).get('href')
ncx_xml = os.path.join(base_path, ncx_item)
self.metadata.read_ncx(parse_xml(ncx_xml), images_list)
except:
pass
return [x[1] for x in images_list]
def _extract_book(self, book_file):
with zipfile.ZipFile(book_file, 'r') as epub_zip:
epub_zip.extractall(path=self.dir_name)
class AZW3ComicReader(EPUBComicReader):
def _extract_book(self, book_file):
# Block print
sys.stdout = open(os.devnull, 'w')
kindleunpack.kindleunpack.unpackBook(book_file, self.dir_name)
sys.stdout = sys.__stdout__
self.dir_name = os.path.join(self.dir_name, 'mobi8')
class DirComicReader(ComicBook):
def __init__(self, book_file):
super().__init__()
self._prepare_book_folder(book_file)
# Try finding ComicInfo.xml
for file in glob.glob(os.path.join(self.dir_name, '**', 'ComicInfo.xml'), recursive=True):
self.metadata.read_comicinfoxml(parse_xml(file))
# Find all images
files = [x for e in ['jpg', 'jpeg', 'png', 'gif'] for x in
glob.glob(os.path.join(self.dir_name, '**', '*.{}'.format(e)), recursive=True)]
files.sort()
self.images = files
def _prepare_book_folder(self, book_file):
self.dir_name = book_file
class ZipComicReader(DirComicReader):
def _prepare_book_folder(self, book_file):
with zipfile.ZipFile(book_file, 'r') as zfp:
zfp.extractall(path=self.dir_name)
self.metadata.read_comicbookinfo(zfp.comment.decode('utf-8'))
class PDFComicReader(DirComicReader):
def _prepare_book_folder(self, book_file):
import pikepdf
magick = 'magick convert' if os.name == 'nt' else 'convert'
magick_command = '{} -density 600 "{}" -quality 100 "{}"'
command = magick_command.format(magick, book_file, os.path.join(self.dir_name, 'output.png'))
os.system(command)
# Read RTL direction
with pikepdf.Pdf.open(book_file) as pdf:
if pdf.Root.ViewerPreferences.Direction == pikepdf.Name.R2L:
self.direction = -1
# TODO read bookmarks as table of content
def write_as_zip(book, output):
with zipfile.ZipFile(output, 'w') as zfp:
# Write metadata
zfp.comment = bytes(book.metadata.generate_comicbookinfo(), 'utf-8')
zfp.writestr('ComicInfo.xml', book.metadata.generate_comicinfoxml())
# Write image
for image in book.images:
zfp.write(image, os.path.basename(image))
def write_as_epub(book, output):
from PIL import Image
import uuid
from xml.sax.saxutils import escape
book_id = uuid.uuid4()
def html_name(image):
return os.path.splitext(os.path.basename(image))[0] + '.xhtml'
def image_id(image):
i = os.path.splitext(os.path.basename(image))[0]
if i == '00000':
return 'i-cover'
return 'i-' + i
def html_id(image):
i = os.path.splitext(os.path.basename(image))[0]
if i == '00000':
return 'p-cover'
return 'p-' + i
def write_container():
xml = ''
xml += '<?xml version="1.0" encoding="UTF-8"?>\n'
xml += '<container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">\n'
xml += '\t<rootfiles>\n'
xml += '\t\t<rootfile full-path="OEBPS/content.opf" media-type="application/oebps-package+xml"/>\n'
xml += '\t</rootfiles>'
xml += '</container>\n'
return xml
def write_style():
style = ''
style += '@charset "UTF-8";\n'
style += '\n'
style += '@page {\n'
style += 'margin: 0;\n'
style += '}\n'
style += '\n'
style += 'html, body, div {\n'
style += 'display: block;\n'
style += 'margin: 0;\n'
style += 'padding: 0;\n'
style += 'font-size: 0;\n'
style += '}\n'
style += '\n'
style += 'svg {\n'
style += 'margin: 0;\n'
style += 'padding: 0;\n'
style += '}\n'
return style
def write_opf():
with Image.open(book.images[0]) as im:
w, h = im.size
opf = ''
opf += '<?xml version="1.0" encoding="utf-8"?>\n'
opf += '<package xmlns="http://www.idpf.org/2007/opf" version="2.0" unique-identifier="uid">\n'
opf += '\t<metadata xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:opf="http://www.idpf.org/2007/opf">\n'
if book.metadata.title:
opf += '\t\t<dc:title>{}</dc:title>\n'.format(escape(book.metadata.title))
for people in book.metadata.credits:
opf += '\t\t<dc:creator opf:role="aut">{}</dc:creator>\n'.format(escape(people['person']))
opf += '\t\t<dc:identifier id="uid">{}</dc:identifier>\n'.format(book_id)
if book.metadata.publisher:
opf += '\t\t<dc:publisher>{}</dc:publisher>\n'.format(escape(book.metadata.publisher))
if book.metadata.month and book.metadata.year:
dt = datetime(book.metadata.year, book.metadata.month, 1)
opf += '\t\t<dc:date>{}</dc:date>\n'.format(dt.isoformat())
if book.metadata.language:
opf += '\t\t<dc:language>{}</dc:language>\n'.format(book.metadata.language)
if book.metadata.summary:
opf += '\t\t<dc:dc:description>{}</dc:dc:description>\n'.format(escape(book.metadata.summary))
opf += '\t\t<meta name="cover" content="i-cover"/>\n'
opf += '\t\t<meta name="output encoding" content="utf-8"/>\n'
opf += '\t\t<meta name="RegionMagnification" content="false"/>\n'
opf += '\t\t<meta name="book-type" content="comic"/>\n'
if book.direction == 1:
opf += '\t\t<meta name="primary-writing-mode" content="horizontal-lr"/>\n'
else:
opf += '\t\t<meta name="primary-writing-mode" content="vertical-rl"/>\n'
opf += '\t\t<meta name="fixed-layout" content="true"/>\n'
opf += '\t\t<meta name="orientation-lock" content="none"/>\n'
opf += '\t\t<meta property="rendition:orientation">portrait</meta>\n'
opf += '\t\t<meta property="rendition:spread">landscape</meta>\n'
opf += '\t\t<meta property="rendition:layout">pre-paginated</meta>\n'
opf += '\t\t<meta name="original-resolution" content="{}x{}"/>\n'.format(w, h)
if book.metadata.series:
opf += '\t\t<meta name="calibre:series" content="{}"/>\n'.format(escape(book.metadata.series))
if book.metadata.volume:
opf += '\t\t<meta name="calibre:series_index" content="{}"/>\n'.format(escape(book.metadata.volume))
opf += '\t</metadata>\n'
opf += '\t<manifest>\n'
for img in book.images:
opf += '\t\t<item id="{}" media-type="application/xhtml+xml" href="Text/{}"/>\n'.format(html_id(img),
html_name(img))
opf += '\t\t<item id="ncx" media-type="application/x-dtbncx+xml" href="toc.ncx"/>\n'
opf += '\t\t<item id="book-css" media-type="text/css" href="Styles/style.css"/>\n'
for img in book.images:
opf += '\t\t<item id="{}" media-type="image/jpeg" href="Images/{}"/>\n'.format(image_id(img),
os.path.basename(img))
opf += '\t</manifest>\n'
page_side = -1
opf += '\t<spine toc="ncx">\n' if book.direction == 1 else '\t<spine page-progression-direction="rtl" toc="ncx">\n'
for idx, img in enumerate(book.images):
if idx == 0:
spread = 2
page_side = -1
elif idx in book.metadata.spread_map:
spread = book.metadata.spread_map[idx]
page_side = -1
else:
spread = page_side
page_side = -page_side
if book.direction == 1:
spread = 'center' if spread == 2 else 'left' if spread == -1 else 'right'
else:
spread = 'center' if spread == 2 else 'left' if spread == 1 else 'right'
opf += '\t\t<itemref idref="{}" linear="yes" properties="page-spread-{}"/>\n'.format(html_id(img), spread)
opf += '\t</spine>\n'
opf += '\t<tours></tours>\n'
opf += '\t<guide></guide>\n'
opf += '</package>\n'
return opf
def write_ncx():
ncx = ''
ncx += '<?xml version="1.0" encoding="utf-8"?>\n'
ncx += '<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1" xml:lang="ja">\n'
ncx += '\t<head>\n'
ncx += '\t\t<meta name="dtb:uid" content="{}"/>\n'.format(book_id)
ncx += '\t\t<meta name="dtb:depth" content="1"/>\n'
ncx += '\t\t<meta name="dtb:totalPageCount" content="0"/>\n'
ncx += '\t\t<meta name="dtb:maxPageNumber" content="0"/>\n'
ncx += '\t</head>\n'
ncx += '\t<docTitle>\n'
ncx += '\t\t<text>{}</text>\n'
ncx += '\t</docTitle>\n'
ncx += '\t<navMap>\n'
for idx, [page, title] in enumerate(book.metadata.toc):
ncx += '\t\t<navPoint id="np_{0}" playOrder="{0}">\n'.format(idx + 1)
ncx += '\t\t\t<navLabel>\n'
ncx += '\t\t\t\t<text>{}</text>\n'.format(title)
ncx += '\t\t\t</navLabel>\n'
ncx += '\t\t\t<content src="Text/{}"/>\n'.format(html_name(book.images[page]))
ncx += '\t\t</navPoint>\n'
ncx += '\t</navMap>\n'
ncx += '</ncx>\n'
return ncx
def write_html(image, is_cover=False):
with Image.open(image) as im:
w, h = im.size
html = ''
html += '<?xml version="1.0" encoding="UTF-8"?>\n'
html += '<!DOCTYPE html>\n'
html += '<html xmlns=\'http://www.w3.org/1999/xhtml\' xmlns:epub=\'http://www.idpf.org/2007/ops\'>\n'
html += '<head>\n'
html += '\t<meta charset="UTF-8"/>\n'
html += '\t<title>{}</title>\n'.format(image)
html += '\t<link href="../Styles/style.css" type="text/css" rel="stylesheet"/>\n'
html += '\t<meta name="viewport" content="width={}, height={}"/>\n'.format(w, h)
html += '</head>\n'
html += '<body epub:type="cover">\n' if is_cover else '<body>\n'
html += '\t<div class="main">\n'
html += '\t\t<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" width="100%" height="100%" viewBox="0 0 {} {}">\n'.format(
w, h)
html += '\t\t\t<image width="{}" height="{}" xlink:href="../Images/{}"/>\n'.format(w, h,
os.path.basename(image))
html += '\t\t</svg>\n'
html += '\t</div>\n'
html += '</body>\n'
html += '</html>\n'
return html
with zipfile.ZipFile(output, 'w') as zfp:
zfp.writestr('mimetype', 'application/epub+zip', compresslevel=zipfile.ZIP_STORED)
zfp.writestr('META-INF/container.xml', write_container())
zfp.writestr('OEBPS/content.opf', write_opf())
zfp.writestr('OEBPS/toc.ncx', write_ncx())
# Stylesheet
zfp.writestr('OEBPS/Styles/style.css', write_style())
# Write pages
for idx, image in enumerate(book.images):
zfp.writestr('OEBPS/Text/' + html_name(image), write_html(image, idx == 0))
# Write image
for image in book.images:
zfp.write(image, 'OEBPS/Images/' + os.path.basename(image))
def write_as_pdf(book, output):
import pikepdf
from PIL import Image
from fpdf import FPDF, ViewerPreferences
DEFAULT_DPI = 300
DEFAULT_DPM = DEFAULT_DPI / 25.4
pdf = FPDF()
pdf.set_display_mode('fullpage', 'two')
pdf.set_margin(0)
pdf.viewer_preferences = ViewerPreferences(hide_toolbar=True, hide_menubar=False, fit_window=True)
toc_map = {x[0]: x[1] for x in book.metadata.toc}
for i, image in enumerate(book.images):
img = Image.open(image)
width, height = img.size
# Convert directly to mm
width /= DEFAULT_DPM
height /= DEFAULT_DPM
pdf.add_page(format=(width, height))
pdf.image(img, 0, 0, width, height)
# Create TOC if present
if i in toc_map:
pdf.start_section(toc_map[i])
pdf.output(output)
# Set RTL and two-column reading
with pikepdf.Pdf.open(output, allow_overwriting_input=True) as pdf:
pdf.Root.PageLayout = pikepdf.Name.TwoPageRight
if book.direction == -1:
pdf.Root.ViewerPreferences.Direction = pikepdf.Name.R2L
pdf.save()
def process_comic(comic_book, processor, quality=60):
output = ComicBook()
output.direction = comic_book.direction
output.images = processor.process(comic_book.images, output.dir_name, quality)
output.metadata = comic_book.metadata
if processor.page_map:
output.metadata.map_toc(processor.page_map)
if processor.spread_map:
output.metadata.spread_map = processor.spread_map
return output
def load_book(book_file):
if os.path.isdir(book_file):
return DirComicReader(book_file)
_, ext = os.path.splitext(book_file)
if ext == '.pdf':
return PDFComicReader(book_file)
elif ext == '.azw3' or ext == '.mobi':
return AZW3ComicReader(book_file)
elif ext == '.epub' or ext == '.epub2' or ext == '.epub3':
return EPUBComicReader(book_file)
elif ext == '.zip' or ext == '.cbz':
return ZipComicReader(book_file)
raise Exception('Unknown comic file {}'.format(ext))