简单拆分PDF文件，将一个PDF文件拆分成指定份数，拆分pdf,from pyPdf i

简单拆分PDF文件，将一个PDF文件拆分成指定份数，拆分pdf,from pyPdf i

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()