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Install Cloudooo

$ python2.6 install
  • you must have installed setuptools>=0.6c11 in this python.

Install LibreOffice /

Install LibreOffice or

Create Configuration File

The configuration file is used to start the application using paster.

$ cp ./cloudooo/sample/sample.conf ./cloudooo.conf # Copy to current folder
The next step is define some attributes in cloudooo.conf:
  • working_path - folder to run the application. This folder need be created.
  • uno_path - folder where UNO library is installed (ex. /opt/libreoffice/basis-link/program/)
  • soffice_binary_path - folder where soffice.bin is installed (ex. /opt/libreoffice/program/)

Run Application

$ paster serve ./cloudooo.conf

or run as a daemon:

$ paster serve ./cloudoo.conf --daemon

Stop Application

$ kill -1 PASTER_PID

Warning: always use SIGHUP because only with this signal all processes are stopped correctly.

Cloudooo Description

  • XMLRPC + WSGI will be one bridge for easy access to LibreOffice / This will implement one XMLRPC server into WSGI (Paster).
  • PyUno is used to connect to LibreOffice / stated with open socket. The features will be handled all by pyuno.
  • Only a process will have access to LibreOffice / by time.
  • All clients receive the same object(proxy) when connects with XMLRPC Server.

Managing LibreOffice / process

  • start 'soffice.bin':
    • Pyuno start 'soffice.bin' processes and the communication is through sockets
    • 'soffice.bin' processes run in brackground;
  • control 'soffice.bin':
    • If the socket lose the connection, cloudooo kills the process, restarts processes and submit again the file;


  • Send document to 'soffice.bin' and return the document converted with metadata - XMLRPC receives a file and connects to 'soffice.bin' process by pyuno; - The pyuno opens a new document, write, add metadata and returns the document edited or converted to xmlrpc and it return the document to the user; - When finalize the use of 'soffice.bin', should make sure that it was finalized;
  • Export to another format;
  • Invite document and return metadata only;
  • Edit metadata of the document;
  • Problems and possible solutions
    • 'soffice.bin' is stalled;
      • finalize the process, start 'soffice.bin' and submit the document again (without restart the cloudooo);
    • 'soffice.bin' is crashed;
      • finalize the process, verify if all the process was killed, start 'soffice.bin' and submit the document again(without restart the cloudooo)
    • 'soffice.bin' received the document and stalled;
      • if 'soffice.bin' isn't responding, kill the process and start
    • The document that was sent is corrupted;
      • write in log the error and verify that the process aren't in memory


FFMPEGHandler is a handler of cloudooo for developing GUI convertion applications using FFmpeg cross-platform.

Introduction The FFMPEGHandler package defines a single class, Handler, which is interface to audio and video convertion into cloudooo.

FFMPEGHandler has been developed with python 2.6 and ffmpeg 0.6.1.


Converting file:

>>> from cloudooo.handler.ffmpeg import Handler
>>> handler = Handler('my_path_data', open(test.ogv).read(), 'ogv')
>>> converted_data = handler.convert('mpeg')

Getting information of file:

>>> from cloudooo.handler.ffmpeg import Handler
>>> handler = Handler('my_path_data', open(test.ogv).read(), 'ogv')
>>> metadata = handler.getMetadata()
>>> metadata
{ 'ENCODER': 'Lavf52.64.2'}


In case of importing FFMPEGHandler library is needed to import its used libraries as well and set its enviroment for handler.


>>> from cloudooo.handler.ffmpeg import Handler
>>> = dict(env=dict(PATH="../software/parts/ffmpeg/bin"))
>>> handler = Handler('my_path_data', open(test.ogv).read(), 'ogv', **
>>> converted_data = handler.convert('mpeg')


XML-RPC document conversion server ( Mirror of ; Please submit patches and issues there )




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