#!/usr/bin/env python3
import sys
import math
from pypdf import PdfReader
from pypdf import PdfWriter
from pypdf import PageObject
from pypdf import Transformation
from pypdf.generic import RectangleObject
#########################################入力パスを受け取る
argGetData = sys.argv
strFilePath = str(argGetData[1])
#テスト用
# strFilePath = "/path/to/some/pdf/file.pdf"
strOutputPDFDocPath = strFilePath + ".3in1.pdf"
try:
with open(strFilePath, 'rb') as objInputData:
#########################################ライター初期化
objReader = PdfReader(objInputData)
objWriter = PdfWriter()
#########################################ページ数調べる
objAllPages = objReader.pages
numAllPage = int(len(objAllPages))
print(numAllPage)
#########################################奇数偶数判定使わないけど
if numAllPage % 2 == 0:
print("偶数")
else:
print("奇数")
numRepeatTImes = math.ceil(numAllPage / 3 )
print(numRepeatTImes)
#########################################ページ数➗２回数繰り返し
numCntInPage = int(0)
for numTimes in range(numRepeatTImes):
#########################################右側ページ
objPageR = objReader.pages[numCntInPage]
numWR = objPageR.mediabox.right
numHR = objPageR.mediabox.top
print("R :" , numWR , "x" , numHR)
#########################################センターページ
if numCntInPage == (numAllPage - 1):
objPageC = PageObject.create_blank_page(width=numWR, height=numHR)
numWC = objPageR.mediabox.right
numHC = objPageR.mediabox.top
else:
numCntInPage = numCntInPage + 1
objPageC = objReader.pages[numCntInPage]
numWC = objPageC.mediabox.right
numHC = objPageC.mediabox.top
print("C :" , numWC , "x" , numHC)
numCntInPage = numCntInPage + 1
#########################################左ページ
if numCntInPage == numAllPage:
objPageL = PageObject.create_blank_page(width=numWR, height=numHR)
numWL = objPageR.mediabox.right
numHL = objPageR.mediabox.top
else:
objPageL = objReader.pages[numCntInPage]
numWL = objPageL.mediabox.right
numHL = objPageL.mediabox.top
print("L :" , numWL , "x" , numHL)
numCntInPage = numCntInPage + 1
#########################################新規ページの高さは最大値
if numHR >= numHL:
numNewH = numHR
else:
numNewH = numHL
#########################################新規ページの幅
numNewW = numWL + numWL + numWC
#########################################3Wサイズで新規ページ
print("3W:" , numNewW , "x" , numNewH)
objNewPage = PageObject.create_blank_page(None,numNewW,numNewH)
#########################################左側ページを新規ページに
objOption = Transformation().translate(tx=(numWL + numWC))
objPageL.add_transformation(objOption,True)
objPageL.mediabox = RectangleObject((0,0,numNewW,numNewH))
objPageL.cropbox = RectangleObject((0,0,numNewW,numNewH))
objPageL.trimbox = RectangleObject((0,0,numNewW,numNewH))
objPageL.bleedbox = RectangleObject((0,0,numNewW,numNewH))
objPageL.artbox = RectangleObject((0,0,numNewW,numNewH))
objNewPage.merge_page(objPageL,False)
#########################################中央ページを新規ページに
objOption = Transformation().translate(tx=numWL)
objPageC.add_transformation(objOption,True)
objPageC.mediabox = RectangleObject((0,0,numNewW,numNewH))
objPageC.cropbox = RectangleObject((0,0,numNewW,numNewH))
objPageC.trimbox = RectangleObject((0,0,numNewW,numNewH))
objPageC.bleedbox = RectangleObject((0,0,numNewW,numNewH))
objPageC.artbox = RectangleObject((0,0,numNewW,numNewH))
objNewPage.merge_page(objPageC,False)
#########################################右側ページのリサイズ
objOption = Transformation().translate(tx=0)
objPageR.add_transformation(objOption,True)
objPageR.mediabox = RectangleObject((0,0,numNewW,numNewH))
objPageR.cropbox = RectangleObject((0,0,numNewW,numNewH))
objPageR.trimbox = RectangleObject((0,0,numNewW,numNewH))
objPageR.bleedbox = RectangleObject((0,0,numNewW,numNewH))
objPageR.artbox = RectangleObject((0,0,numNewW,numNewH))
objNewPage.merge_page(objPageR,True)
#########################################新規ページのサイズ
objNewPage.mediabox = RectangleObject((0,0,numNewW,numNewH))
objNewPage.cropbox = RectangleObject((0,0,numNewW,numNewH))
objNewPage.trimbox = RectangleObject((0,0,numNewW,numNewH))
objNewPage.bleedbox = RectangleObject((0,0,numNewW,numNewH))
objNewPage.artbox = RectangleObject((0,0,numNewW,numNewH))
objWriter.add_page(objNewPage)
except FileNotFoundError:
print("ファイルのオープンに失敗しました")
sys.exit(0)
try:
#########################################
with open(strOutputPDFDocPath, 'wb') as objOutPutData:
objWriter.write(objOutPutData)
except FileNotFoundError:
print("ファイルの保存に失敗しました")
sys.exit(0)
