Python实现将DOC文档转换为PDF的方法

import sys, osfrom win32com.client import Dispatch, constants, gencachedef usage():  sys.stderr.write ("doc2pdf.py input [output]")  sys.exit(2)def doc2pdf(input, output): w = Dispatch("Word.Application") try:  doc = w.Documents.Open(input, ReadOnly = 1)  doc.ExportAsFixedFormat(output, constants.wdExportFormatPDF,   Item = constants.wdExportDocumentWithMarkup, CreateBookmarks = constants.wdExportCreateHeadingBookmarks)  return 0 except:  return 1 finally:  w.Quit(constants.wdDoNotSaveChanges)# Generate all the support we can.def GenerateSupport(): # enable python COM support for Word 2007 # this is generated by: makepy.py -i "Microsoft Word 12.0 Object Library" gencache.EnsureModule('{00020905-0000-0000-C000-000000000046}', 0, 8, 4)def main(): if (len(sys.argv) == 2):  input = sys.argv[1]  output = os.path.splitext(input)[0]+'.pdf' elif (len(sys.argv) == 3):  input = sys.argv[1]  output = sys.argv[2] else:  usage() if (not os.path.isabs(input)):  input = os.path.abspath(input) if (not os.path.isabs(output)):  output = os.path.abspath(output) try:  GenerateSupport()  rc = doc2pdf(input, output)  return rc except:  return -1if __name__=='__main__':  rc = main()  if rc:    sys.exit(rc)  sys.exit(0)