mirror of
https://github.com/ciromattia/kcc
synced 2025-12-12 17:26:23 +00:00
289 lines
13 KiB
Python
289 lines
13 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (c) 2012-2014 Ciro Mattia Gonano <ciromattia@gmail.com>
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# Copyright (c) 2013-2019 Pawel Jastrzebski <pawelj@iosphe.re>
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#
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# Permission to use, copy, modify, and/or distribute this software for
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# any purpose with or without fee is hereby granted, provided that the
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# above copyright notice and this permission notice appear in all
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# copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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# AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
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# OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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# PERFORMANCE OF THIS SOFTWARE.
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#
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import os
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import sys
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from argparse import ArgumentParser
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from shutil import rmtree, copytree, move
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from multiprocessing import Pool
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from PIL import Image, ImageChops, ImageOps, ImageDraw
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from .shared import getImageFileName, walkLevel, walkSort, sanitizeTrace
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def mergeDirectoryTick(output):
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if output:
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mergeWorkerOutput.append(output)
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mergeWorkerPool.terminate()
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if GUI:
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GUI.progressBarTick.emit('tick')
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if not GUI.conversionAlive:
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mergeWorkerPool.terminate()
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def mergeDirectory(work):
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try:
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directory = work[0]
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images = []
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imagesValid = []
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sizes = []
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targetHeight = 0
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for root, _, files in walkLevel(directory, 0):
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for name in files:
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if getImageFileName(name) is not None:
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i = Image.open(os.path.join(root, name))
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images.append([os.path.join(root, name), i.size[0], i.size[1]])
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sizes.append(i.size[0])
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if len(images) > 0:
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targetWidth = max(set(sizes), key=sizes.count)
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for i in images:
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targetHeight += i[2]
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imagesValid.append(i[0])
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# Silently drop directories that contain too many images
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# 131072 = GIMP_MAX_IMAGE_SIZE / 4
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if targetHeight > 131072:
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return None
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result = Image.new('RGB', (targetWidth, targetHeight))
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y = 0
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for i in imagesValid:
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img = Image.open(i).convert('RGB')
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if img.size[0] < targetWidth or img.size[0] > targetWidth:
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widthPercent = (targetWidth / float(img.size[0]))
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heightSize = int((float(img.size[1]) * float(widthPercent)))
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img = ImageOps.fit(img, (targetWidth, heightSize), method=Image.BICUBIC, centering=(0.5, 0.5))
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result.paste(img, (0, y))
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y += img.size[1]
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os.remove(i)
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savePath = os.path.split(imagesValid[0])
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result.save(os.path.join(savePath[0], os.path.splitext(savePath[1])[0] + '.png'), 'PNG')
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except Exception:
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return str(sys.exc_info()[1]), sanitizeTrace(sys.exc_info()[2])
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def detectSolid(img):
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return not ImageChops.invert(img).getbbox() or not img.getbbox()
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def splitImageTick(output):
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if output:
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splitWorkerOutput.append(output)
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splitWorkerPool.terminate()
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if GUI:
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GUI.progressBarTick.emit('tick')
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if not GUI.conversionAlive:
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splitWorkerPool.terminate()
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# noinspection PyUnboundLocalVariable
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def splitImage(work):
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try:
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path = work[0]
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name = work[1]
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opt = work[2]
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filePath = os.path.join(path, name)
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Image.warnings.simplefilter('error', Image.DecompressionBombWarning)
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Image.MAX_IMAGE_PIXELS = 1000000000
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imgOrg = Image.open(filePath).convert('RGB')
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imgProcess = Image.open(filePath).convert('1')
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widthImg, heightImg = imgOrg.size
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if heightImg > opt.height:
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if opt.debug:
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drawImg = Image.open(filePath).convert(mode='RGBA')
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draw = ImageDraw.Draw(drawImg)
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# Find panels
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yWork = 0
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panelDetected = False
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panels = []
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while yWork < heightImg:
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tmpImg = imgProcess.crop((4, yWork, widthImg-4, yWork + 4))
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solid = detectSolid(tmpImg)
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if not solid and not panelDetected:
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panelDetected = True
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panelY1 = yWork - 2
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if heightImg - yWork <= 5:
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if not solid and panelDetected:
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panelY2 = heightImg
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panelDetected = False
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panels.append((panelY1, panelY2, panelY2 - panelY1))
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if solid and panelDetected:
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panelDetected = False
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panelY2 = yWork + 6
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panels.append((panelY1, panelY2, panelY2 - panelY1))
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yWork += 5
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# Split too big panels
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panelsProcessed = []
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for panel in panels:
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if panel[2] <= opt.height * 1.5:
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panelsProcessed.append(panel)
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elif panel[2] < opt.height * 2:
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diff = panel[2] - opt.height
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panelsProcessed.append((panel[0], panel[1] - diff, opt.height))
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panelsProcessed.append((panel[1] - opt.height, panel[1], opt.height))
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else:
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parts = round(panel[2] / opt.height)
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diff = panel[2] // parts
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for x in range(0, parts):
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panelsProcessed.append((panel[0] + (x * diff), panel[1] - ((parts - x - 1) * diff), diff))
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if opt.debug:
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for panel in panelsProcessed:
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draw.rectangle(((0, panel[0]), (widthImg, panel[1])), (0, 255, 0, 128), (0, 0, 255, 255))
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debugImage = Image.alpha_composite(imgOrg.convert(mode='RGBA'), drawImg)
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debugImage.save(os.path.join(path, os.path.splitext(name)[0] + '-debug.png'), 'PNG')
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# Create virtual pages
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pages = []
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currentPage = []
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pageLeft = opt.height
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panelNumber = 0
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for panel in panelsProcessed:
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if pageLeft - panel[2] > 0:
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pageLeft -= panel[2]
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currentPage.append(panelNumber)
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panelNumber += 1
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else:
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if len(currentPage) > 0:
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pages.append(currentPage)
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pageLeft = opt.height - panel[2]
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currentPage = [panelNumber]
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panelNumber += 1
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if len(currentPage) > 0:
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pages.append(currentPage)
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# Create pages
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pageNumber = 1
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for page in pages:
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pageHeight = 0
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targetHeight = 0
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for panel in page:
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pageHeight += panelsProcessed[panel][2]
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if pageHeight > 15:
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newPage = Image.new('RGB', (widthImg, pageHeight))
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for panel in page:
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panelImg = imgOrg.crop((0, panelsProcessed[panel][0], widthImg, panelsProcessed[panel][1]))
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newPage.paste(panelImg, (0, targetHeight))
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targetHeight += panelsProcessed[panel][2]
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newPage.save(os.path.join(path, os.path.splitext(name)[0] + '-' + str(pageNumber).zfill(4) + '.png'), 'PNG')
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pageNumber += 1
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os.remove(filePath)
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except Exception:
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return str(sys.exc_info()[1]), sanitizeTrace(sys.exc_info()[2])
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def main(argv=None, qtgui=None):
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global args, GUI, splitWorkerPool, splitWorkerOutput, mergeWorkerPool, mergeWorkerOutput
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parser = ArgumentParser(prog="kcc-c2p", usage="kcc-c2p [options] [input]", add_help=False)
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mandatory_options = parser.add_argument_group("MANDATORY")
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main_options = parser.add_argument_group("MAIN")
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other_options = parser.add_argument_group("OTHER")
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mandatory_options.add_argument("input", action="extend", nargs="*", default=None,
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help="Full path to comic folder(s) to be processed. Separate multiple inputs"
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" with spaces.")
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main_options.add_argument("-y", "--height", type=int, dest="height", default=0,
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help="Height of the target device screen")
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main_options.add_argument("-i", "--in-place", action="store_true", dest="inPlace", default=False,
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help="Overwrite source directory")
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main_options.add_argument("-m", "--merge", action="store_true", dest="merge", default=False,
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help="Combine every directory into a single image before splitting")
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other_options.add_argument("-d", "--debug", action="store_true", dest="debug", default=False,
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help="Create debug file for every split image")
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other_options.add_argument("-h", "--help", action="help",
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help="Show this help message and exit")
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args = parser.parse_args(argv)
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if qtgui:
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GUI = qtgui
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else:
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GUI = None
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if not argv or args.input == []:
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parser.print_help()
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return 1
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if args.height > 0:
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for sourceDir in args.input:
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targetDir = sourceDir + "-Splitted"
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if os.path.isdir(sourceDir):
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rmtree(targetDir, True)
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copytree(sourceDir, targetDir)
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work = []
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pagenumber = 1
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splitWorkerOutput = []
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splitWorkerPool = Pool(maxtasksperchild=10)
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if args.merge:
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print("Merging images...")
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directoryNumer = 1
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mergeWork = []
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mergeWorkerOutput = []
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mergeWorkerPool = Pool(maxtasksperchild=10)
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mergeWork.append([targetDir])
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for root, dirs, files in os.walk(targetDir, False):
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dirs, files = walkSort(dirs, files)
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for directory in dirs:
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directoryNumer += 1
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mergeWork.append([os.path.join(root, directory)])
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if GUI:
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GUI.progressBarTick.emit('Combining images')
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GUI.progressBarTick.emit(str(directoryNumer))
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for i in mergeWork:
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mergeWorkerPool.apply_async(func=mergeDirectory, args=(i, ), callback=mergeDirectoryTick)
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mergeWorkerPool.close()
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mergeWorkerPool.join()
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if GUI and not GUI.conversionAlive:
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rmtree(targetDir, True)
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raise UserWarning("Conversion interrupted.")
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if len(mergeWorkerOutput) > 0:
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rmtree(targetDir, True)
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raise RuntimeError("One of workers crashed. Cause: " + mergeWorkerOutput[0][0],
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mergeWorkerOutput[0][1])
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print("Splitting images...")
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for root, _, files in os.walk(targetDir, False):
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for name in files:
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if getImageFileName(name) is not None:
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pagenumber += 1
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work.append([root, name, args])
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else:
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os.remove(os.path.join(root, name))
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if GUI:
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GUI.progressBarTick.emit('Splitting images')
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GUI.progressBarTick.emit(str(pagenumber))
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GUI.progressBarTick.emit('tick')
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if len(work) > 0:
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for i in work:
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splitWorkerPool.apply_async(func=splitImage, args=(i, ), callback=splitImageTick)
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splitWorkerPool.close()
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splitWorkerPool.join()
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if GUI and not GUI.conversionAlive:
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rmtree(targetDir, True)
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raise UserWarning("Conversion interrupted.")
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if len(splitWorkerOutput) > 0:
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rmtree(targetDir, True)
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raise RuntimeError("One of workers crashed. Cause: " + splitWorkerOutput[0][0],
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splitWorkerOutput[0][1])
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if args.inPlace:
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rmtree(sourceDir, True)
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move(targetDir, sourceDir)
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else:
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rmtree(targetDir, True)
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raise UserWarning("Source directory is empty.")
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else:
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raise UserWarning("Provided input is not a directory.")
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else:
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raise UserWarning("Target height is not set.")
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