本文实例讲述了Python实现简单拆分PDF文件的方法。分享给大家供大家参考。具体如下：
依赖pyPdf处理PDF文件
切分pdf文件
使用方法：
1）将要切分的文件放在input_dir目录下
2）在configure.txt文件中设置要切分的份数（如要切分4份，则设置part_num=4）
3）执行程序
4）切分后的文件保存在output_dir目录下
5）运行日志写在pp_log.txt中
P.S. 本程序可以批量切割多个pdf文件
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from pyPdf import PdfFileWriter, PdfFileReaderimport osimport timeimport sysdef part_pdf(input_file, output_file, config_count, f_w, now, file_name): file1 = file(input_file, 'rb') pdf = PdfFileReader(file1) pdf_pages_len = len(pdf.pages) if config_count <= pdf_pages_len: ye = pdf_pages_len / config_count lst_ye = pdf_pages_len % config_count part_count = 0 part_count_ye = 0 for fen in range(config_count): part_count += 1 if part_count == config_count: part_ye = ye + lst_ye else: part_ye = ye write_pdf(pdf, part_count_ye, part_count_ye+part_ye, fen, output_file) part_count_ye += ye else: f_w.writelines('time: '+now+' file name: '+file_name+' status: part_num > pdf pages [error]\n') sys.exit(1)def write_pdf(pdf, part_count_ye, part_count_ye_end, fen, output_file): out = PdfFileWriter() for pp in range(part_count_ye, part_count_ye_end): out.addPage(pdf.getPage(pp)) ous = file(output_file+'_'+str(fen+1)+'.pdf', 'wb') out.write(ous) ous.close()def pdf_main(): f = open('configure.txt', 'r') f_w = open('pp_log.txt', 'a') now = time.strftime('%Y-%m-%d %H:%M:%S') for i in f: i_ = i.strip() aa = i_.split('=')[1] if i_.find('part_num=') != -1 and aa.isdigit(): config_count = int(aa) else: f_w.writelines('time: '+now+' status: part_num in configure.txt is error [error]\n') sys.exit(1) files = os.listdir('input_dir/') for each in files: input_file = 'input_dir/'+each file_name = input_file[input_file.index('/'):input_file.index('.')] output_file = 'output_dir/'+file_name part_pdf(input_file, output_file, config_count, f_w, now, file_name) f_w.writelines('time: '+now+' file name: '+file_name+' status: success\n')pdf_main() |
希望本文所述对大家的Python程序设计有所帮助。
