如何解决PyPDF2合并PDF页面问题
我有这段代码,可以从Excel中获取一些名称,然后从文件夹中获取具有相同名称的文件。
所以如果我有2行: Aargang Oevelse1 Oevelse2 Oevelse3 行1 U7页面1页面2页面4 第2列U8第3页第5页第7页
然后,当我运行脚本时,我会得到两个合并的pdf,但是...
第1行,第1页,第2页和第4页“ Great”的1个合并文件
Row2 = 1个合并的文件,其中page1,page2,page4,page1,page2,page4,page3,page5和page7“不好”
我需要两个合并的pdf:
- page1,page2和page4
- 第3页,第5页和第7页
我的循环有什么问题,我是python的新手,所以如果有人可以看到更好的方式编写代码/清理代码,请plz。指导我:-)
import os #Handle path
import datetime #Handle date
import pandas as pd #Handle data from Excel Sheet (Data analysis)
import PyPDF2 as pdf #Handle PDF read and merging
pdfWriter = pdf.PdfFileMerger()
my_date = datetime.date.today()
week_num = my_date.isocalendar()[1] #0=Year,1=week
data = pd.read_excel(r'Resources\liste.xlsx',sheet_name='Ark1')
dataread = pd.DataFrame(data)
for index,row in dataread.iterrows():
filepdfweek = str(week_num+1) #This week from datetime.date.today + 1 to week = next week
fileyear = row['Aargang']
filepdf1 = row['Oevelse1']
filepath1 = os.path.join('C:/Users/TH/Documents/U7-U12/PDF/' + filepdf1 + '.pdf')
filepdf2 = row['Oevelse2']
filepath2 = os.path.join('C:/Users/TH/Documents/U7-U12/PDF/' + filepdf2 + '.pdf')
filepdf3 = row['Oevelse3']
filepath3 = os.path.join('C:/Users/TH/Documents/U7-U12/PDF/' + filepdf3 + '.pdf')
print(filepath1)
print(filepath2)
print(filepath3)
print(filepdfweek)
print(fileyear)
pdf2merge = []
pdf2merge.append(filepath1)
pdf2merge.append(filepath2)
pdf2merge.append(filepath3)
try:
#if doc exist then merge
if os.path.exists(filepath1):
'''
“r” read the file.
"rb" open a file in (read binary).
“w” (write).
“a” (append).
“wb” (write binary).
...PdfFileReader(open(file,mode='rb'
'''
for filename in pdf2merge:
input = open(filename,'rb')
pdfReader = pdf.PdfFileReader(input)
pdfWriter.append(pdfReader)
pdfOutput = open('Uge ' + filepdfweek + ' - ' + fileyear + ' Merged_doc.pdf','wb')
pdfWriter.write(pdfOutput)
pdfOutput.close()
else:
print(f"problem with file {row}")
except:
print("cant merge !! sorry. \nThe file or one of em,does not exist !!")
else:
print(f" {row} Merged !!! ")
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