def main():
parser = argparse.ArgumentParser(
prog='ca6fix',
description=
"Fix some disappointmented points in Computer Architecture Quantitative Approach 6th Edition Japanese translation PDF file.",
usage='ca6fix -i ca6.pdf -o ca6_fixed.pdf',
add_help=True)
parser.add_argument('-i', '--input', help='input PDF file', required=True)
parser.add_argument('-o',
'--output',
help='output PDF file',
required=True)
args = parser.parse_args()
reader = PdfFileReader(args.input)
writer = PdfFileWriter()
for p in range(reader.getNumPages()):
page = reader.getPage(p)
writer.addPage(page)
writer.insertBlankPage(None, None, 4)
for index in outline:
add_outline(writer, index, 21)
writer.setPageLayout('/TwoPageRight')
writer.addMetadata({
'/Title':
'コンピュータアーキテクチャ 定量的アプローチ［第6版］',
'/Author':
'ジョン・L・ヘネシー, デイビッド・A・パターソン(著), 中條拓伯, 天野英晴, 鈴木 貢(訳)'
})
with open(args.output, 'wb') as fh:
writer.write(fh)
def frasers2up(inputPdfFileWriter):
edited_file = Pdfwrite()
blank_file = Pdfwrite()
leftpage = inputPdfFileWriter.getPage(0)
leftx = leftpage.mediaBox.upperRight[0]
lefty = leftpage.mediaBox.upperRight[1]
for page in range(0, inputPdfFileWriter.getNumPages() - 1, 2):
leftpage = inputPdfFileWriter.getPage(page)
rightpage = inputPdfFileWriter.getPage(page + 1)
leftx = leftpage.mediaBox.upperRight[0]
lefty = leftpage.mediaBox.upperRight[1]
blank_file.insertBlankPage(leftx, lefty, 0)
blank_page = blank_file.getPage(0)
blank_page.mergeTranslatedPage(rightpage, leftx, 0, 1)
blank_page.mergePage(leftpage)
edited_file.addPage(blank_page)
# leftpage, leftx, 0, True)
return edited_file
def process_the_pdf():
confirm = tk.messagebox.askyesno("Doing the thing",
"Are you sure you want to do the thing?")
if confirm == True:
try:
pdf = Pdfread(pdf_path.get())
wf = Pdfwrite()
wf.appendPagesFromReader(pdf)
for i in range(blank_start.get()):
wf.insertBlankPage(0)
for i in range(end_blank_pages.get()):
wf.addBlankPage()
# ! --> here's where the shuffle goes, pos save temp pdf here?
list_pages = []
for i in range(wf.getNumPages()):
list_pages.append(i)
list_sigs_pages = []
for group in chunker(list_pages, sig_thickness_x4.get()):
list_sigs_pages.append(group)
newpageorder = shufoutput(list_sigs_pages)
newpdf = Pdfwrite()
for page in newpageorder:
newpdf.addPage(wf.getPage(page))
temp = Pdfwrite()
# up2 = turninto2up(newpdf)
temp = newpdf
destpath = pdf_output_path.get()
with open(destpath, 'wb+') as out:
temp.write(out)
up2in = Pdfread(destpath)
up2 = Pdfwrite()
for i in range(up2in.getNumPages()):
temp = up2in.getPage(i)
up2.addPage(temp)
up2 = frasers2up(up2)
# up2 = turninto2up(up2in)
with open(destpath, "wb+") as up2out:
up2.write(up2out)
tk.messagebox.showinfo(
"Finished", "Finished, and maybe it even worked this time!")
except FileNotFoundError:
tk.messagebox.showerror(
"File not found",
"Either the input file or the output files is wrong.\nOr both of them. Who knows?"
)
pass
else:
pass
