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#!/usr/bin/python
#
# PyODConverter (Python OpenDocument Converter) v1.0.0 - 2008-05-05
#
# This script converts a document from one office format to another by
# connecting to an OpenOffice.org instance via Python-UNO bridge.
#
# Copyright (C) 2008 Mirko Nasato <mirko@artofsolving.com>
# Licensed under the GNU LGPL v2.1 - http://www.gnu.org/licenses/lgpl-2.1.html
# - or any later version.
#
DEFAULT_OPENOFFICE_PORT = 8100
import uno
from os.path import abspath, isfile, splitext
from com.sun.star.beans import PropertyValue
from com.sun.star.task import ErrorCodeIOException
from com.sun.star.connection import NoConnectException
FAMILY_TEXT = "Text"
FAMILY_SPREADSHEET = "Spreadsheet"
FAMILY_PRESENTATION = "Presentation"
FAMILY_DRAWING = "Drawing"
FILTER_MAP = {
"pdf": {
FAMILY_TEXT: "writer_pdf_Export",
FAMILY_SPREADSHEET: "calc_pdf_Export",
FAMILY_PRESENTATION: "impress_pdf_Export",
FAMILY_DRAWING: "draw_pdf_Export"
},
"html": {
FAMILY_TEXT: "HTML (StarWriter)",
FAMILY_SPREADSHEET: "HTML (StarCalc)",
FAMILY_PRESENTATION: "impress_html_Export"
},
"odt": { FAMILY_TEXT: "writer8" },
"doc": { FAMILY_TEXT: "MS Word 97" },
"rtf": { FAMILY_TEXT: "Rich Text Format" },
"txt": { FAMILY_TEXT: "Text" },
"ods": { FAMILY_SPREADSHEET: "calc8" },
"xls": { FAMILY_SPREADSHEET: "MS Excel 97" },
"odp": { FAMILY_PRESENTATION: "impress8" },
"ppt": { FAMILY_PRESENTATION: "MS PowerPoint 97" },
"swf": { FAMILY_PRESENTATION: "impress_flash_Export" }
}
# see http://wiki.services.openoffice.org/wiki/Framework/Article/Filter
# for more available filters
class DocumentConversionException(Exception):
def __init__(self, message):
self.message = message
def __str__(self):
return self.message
class DocumentConverter:
def __init__(self, port=DEFAULT_OPENOFFICE_PORT):
localContext = uno.getComponentContext()
resolver = localContext.ServiceManager.createInstanceWithContext("com.sun.star.bridge.UnoUrlResolver", localContext)
try:
context = resolver.resolve("uno:socket,host=localhost,port=%s;urp;StarOffice.ComponentContext" % port)
except NoConnectException:
raise DocumentConversionException, "failed to connect to OpenOffice.org on port %s" % port
self.desktop = context.ServiceManager.createInstanceWithContext("com.sun.star.frame.Desktop", context)
def convert(self, inputFile, outputFile):
inputUrl = self._toFileUrl(inputFile)
outputUrl = self._toFileUrl(outputFile)
document = self.desktop.loadComponentFromURL(inputUrl, "_blank", 0, self._toProperties(Hidden=True))
try:
document.refresh()
except AttributeError:
pass
outputExt = self._getFileExt(outputFile)
filterName = self._filterName(document, outputExt)
try:
document.storeToURL(outputUrl, self._toProperties(FilterName=filterName))
finally:
document.close(True)
def _filterName(self, document, outputExt):
family = self._detectFamily(document)
try:
filterByFamily = FILTER_MAP[outputExt]
except KeyError:
raise DocumentConversionException, "unknown output format: '%s'" % outputExt
try:
return filterByFamily[family]
except KeyError:
raise DocumentConversionException, "unsupported conversion: from '%s' to '%s'" % (family, outputExt)
def _detectFamily(self, document):
if document.supportsService("com.sun.star.text.GenericTextDocument"):
# NOTE: a GenericTextDocument is either a TextDocument, a WebDocument, or a GlobalDocument
# but this further distinction doesn't seem to matter for conversions
return FAMILY_TEXT
if document.supportsService("com.sun.star.sheet.SpreadsheetDocument"):
return FAMILY_SPREADSHEET
if document.supportsService("com.sun.star.presentation.PresentationDocument"):
return FAMILY_PRESENTATION
if document.supportsService("com.sun.star.drawing.DrawingDocument"):
return FAMILY_DRAWING
raise DocumentConversionException, "unknown document family: %s" % document
def _getFileExt(self, path):
ext = splitext(path)[1]
if ext is not None:
return ext[1:].lower()
def _toFileUrl(self, path):
return uno.systemPathToFileUrl(abspath(path))
def _toProperties(self, **args):
props = []
for key in args:
prop = PropertyValue()
prop.Name = key
prop.Value = args[key]
props.append(prop)
return tuple(props)
if __name__ == "__main__":
from sys import argv, exit
if len(argv) < 3:
print "USAGE: python %s <input-file> <output-file>" % argv[0]
exit(255)
if not isfile(argv[1]):
print "no such input file: %s" % argv[1]
exit(1)
try:
converter = DocumentConverter()
converter.convert(argv[1], argv[2])
except DocumentConversionException, exception:
print "ERROR!" + str(exception)
exit(1)
except ErrorCodeIOException, exception:
print "ERROR! ErrorCodeIOException %d" % exception.ErrCode
exit(1)
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