odk/examples/python/DocumentHandling/DocumentConverter.py

   1 # -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
   2 #
   3 # This file is part of the LibreOffice project.
   4 #
   5 # This Source Code Form is subject to the terms of the Mozilla Public
   6 # License, v. 2.0. If a copy of the MPL was not distributed with this
   7 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8 #
   9
  10 import argparse
  11 import os
  12 import sys
  13 from os.path import abspath, basename, isdir, join, splitext
  14
  15 import uno
  16 from com.sun.star.beans import PropertyValue
  17 from com.sun.star.connection import NoConnectException
  18
  19 PROG = "$OFFICE_PROGRAM_PATH/python {}".format(basename(sys.argv[0]))
  20 SOFFICE_CONNECTION_URI = "uno:socket,host=localhost,port=2083;urp;StarOffice.ComponentContext"
  21
  22
  23 def connect_soffice():
  24     """Connect to remote running LibreOffice"""
  25     local_context = uno.getComponentContext()
  26     resolver = local_context.ServiceManager.createInstanceWithContext(
  27         "com.sun.star.bridge.UnoUrlResolver", local_context
  28     )
  29     try:
  30         remote_context = resolver.resolve(SOFFICE_CONNECTION_URI)
  31     except NoConnectException:
  32         raise Exception("Cannot establish a connection to LibreOffice.")
  33
  34     return remote_context.ServiceManager.createInstanceWithContext(
  35         "com.sun.star.frame.Desktop", remote_context
  36     )
  37
  38
  39 def convert(src_file, dest_file, to_type):
  40     src_url = "file://{}".format(src_file).replace("\\", "/")
  41     dest_url = "file://{}".format(dest_file).replace("\\", "/")
  42
  43     soffice = connect_soffice()
  44     doc = soffice.loadComponentFromURL(
  45         src_url, "_blank", 0, (PropertyValue(Name="Hidden", Value=True),)
  46     )
  47
  48     opts = (
  49         PropertyValue(Name="Overwrite", Value=True),
  50         PropertyValue(Name="FilterName", Value=to_type),
  51     )
  52     try:
  53         doc.storeAsURL(dest_url, opts)
  54     finally:
  55         doc.dispose()
  56
  57
  58 def is_dir(value):
  59     if not isdir(value):
  60         raise argparse.ArgumentTypeError("{} is not a directory.".format(value))
  61     return value
  62
  63
  64 def main():
  65     parser = argparse.ArgumentParser(description="Document Converter", prog=PROG)
  66     parser.add_argument("from_dir",
  67                         type=is_dir,
  68                         help="Convert documents searched from this directory recursively")
  69     parser.add_argument("to_type", help="Type to convert to, example: MS Word 97.")
  70     parser.add_argument("extension",
  71                         help="Extension of the converted document, examples: doc, docx")
  72     parser.add_argument("output_dir",
  73                         type=is_dir,
  74                         help="Converted document is stored into this directory")
  75
  76     args = parser.parse_args()
  77
  78     for dir_path, dir_names, file_names in os.walk(args.from_dir):
  79         for name in file_names:
  80             src_file = join(abspath(dir_path), name)
  81             dest_file = "{}.{}".format(join(args.output_dir, splitext(name)[0]), args.extension)
  82             convert(src_file, dest_file, args.to_type)
  83             print("Converted", src_file, "to", dest_file)
  84
  85
  86 if __name__ == "__main__":
  87     main()
  88
  89
  90 # vim: set shiftwidth=4 softtabstop=4 expandtab: