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Code Issues Releases Wiki Activity

Manually label spreads button (#1412)

Browse Source 
* initial commit

* initial commit 2

* json it

* UI labels

* basics

* add todo

* options to getWorkFolder

* refactor options

* refactor UI

* cleanup

* pdf fixed size

* remove comment

* finalized json creation

* fix help text

* finalized

* remove print

* add youtube
This commit is contained in:
Alex Xu
2026-07-31 22:25:41 -07:00
committed by GitHub
parent b4c71b3b91
commit b3e1d393b6
5 changed files with 467 additions and 259 deletions
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kindlecomicconverter/comic2ebook.py
+26 -6
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@@ -20,6 +20,7 @@
from collections import Counter
from datetime import datetime
import json
import os
import pathlib
import re
@@ -872,7 +873,7 @@ def extract_page(vector):
def mupdf_pdf_process_pages_parallel(filename, output_dir, target_width, target_height):
def mupdf_pdf_process_pages_parallel(filename, output_dir, target_width, target_height, pdfwidth):
render = False
with pymupdf.open(filename) as doc:
for page in doc:
@@ -892,7 +893,7 @@ def mupdf_pdf_process_pages_parallel(filename, output_dir, target_width, target_
cpu = cpu_count()
# make vectors of arguments for the processes
vectors = [(i, cpu, filename, output_dir, target_width, target_height, options.pdfwidth) for i in range(cpu)]
vectors = [(i, cpu, filename, output_dir, target_width, target_height, pdfwidth) for i in range(cpu)]
print("Starting %i processes for '%s'." % (cpu, filename))
@@ -955,7 +956,7 @@ def getWorkFolder(afile, options, workdir=None):
target_height *= 1.25 #Account for possible margin at the top and bottom with page number
target_width *= 1.25
try:
mupdf_pdf_process_pages_parallel(afile, fullPath, target_width, target_height)
mupdf_pdf_process_pages_parallel(afile, fullPath, target_width, target_height, options.pdfwidth)
except Exception as e:
rmtree(path, True)
raise UserWarning(f"Failed to extract images from PDF file. {e}")
@@ -1229,7 +1230,7 @@ def removeNonImages(filetree):
raise RuntimeError('\n'.join(warning))
def sanitizeTree(filetree, prefix='kcc'):
def sanitizeTree(filetree, options, prefix='kcc'):
chapterNames = {}
page = 1
cover_path = None
@@ -1785,7 +1786,7 @@ def makeFusion(sources: List[str]):
path = getWorkFolder(source, options, str(targetpath))
if path != str(targetpath):
move(os.path.join(path, 'OEBPS', 'Images'), targetpath)
sanitizeTree(targetpath, prefix='fusion')
sanitizeTree(targetpath, options, prefix='fusion')
# TODO: remove flattenTree when subchapters are supported
flattenTree(targetpath)
@@ -1842,7 +1843,26 @@ def makeBook(source, qtgui=None, job_progress=''):
getMetadata(os.path.join(path, "OEBPS", "Images"), source)
removeNonImages(os.path.join(path, "OEBPS", "Images"))
detectSuboptimalProcessing(os.path.join(path, "OEBPS", "Images"), source)
chapterNames, cover_path = sanitizeTree(os.path.join(path, 'OEBPS', 'Images'))
chapterNames, cover_path = sanitizeTree(os.path.join(path, 'OEBPS', 'Images'), options)
if os.path.exists(source+'.json'):
flattenTree(os.path.join(path, 'OEBPS', 'Images'))
with open(source+'.json') as f:
data = json.load(f)
for root, _, files in os.walk(os.path.join(path, 'OEBPS', 'Images')):
sorted_files = os_sorted(files)
for i in range(len(files)):
if i in data['spreads']:
im1 = Image.open(os.path.join(root, sorted_files[i]))
im2 = Image.open(os.path.join(root, sorted_files[i+1]))
dst = Image.new('RGB', (im1.width + im2.width, im1.height))
dst.paste(im2, (0, 0))
dst.paste(im1, (im1.width, 0))
base, _ = os.path.splitext(os.path.basename(sorted_files[i]))
dst.save(os.path.join(path, 'OEBPS', 'Images', f'{base}-merged.png'))
os.remove(os.path.join(root, sorted_files[i]))
os.remove(os.path.join(root, sorted_files[i+1]))
if options.filefusion:
# Strip the fusion_0001_ sort prefix from makeFusion if present
chapterNames = {k: sub(r'^fusion_\d{4}_', '', v) for k, v in chapterNames.items()}