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Note

This documentation is for the new OMERO 5.3 version. See the latest OMERO 5.2.x version or the previous versions page to find documentation for the OMERO version you are using if you have not upgraded yet.

Editing OMERO.webΒΆ

If you need to make changes to OMERO.web itself, then you will want to check out the OMERO source code. You can directly edit and run the OMERO.web code. This means that you benefit from the convenience of editing, saving and refreshing your browser without any build step.

However, you will still need to build OMERO (or download the release build) and set up your PYTHONPATH as described in the install documentation in order that you have the various dependencies such as Django.

You will then have 2 copies of the OMERO.web code - source code under components/tools/OmeroWeb/omeroweb and the server build under dist/lib/python/omeroweb.

To set up and run OMERO.web from the source code, you need to follow a few steps (commands are shown below):

  • Set OMERO_HOME, so that OMERO.web knows where to find config, write logs etc.

    Warning

    You should not set OMERO_HOME on production servers.

    The examples below assume a developer environment, making appropriate use of OMERO internals. See Setting the OMERO_HOME environment variable for details.

  • Make sure that the Django libraries that are under the build: dist/lib/python/django are on your PYTHONPATH.

  • Make sure the OmeroWeb folder: components/tools/OmeroWeb is on your PYTHONPATH.

  • Remove the built omeroweb folder, otherwise this will get used instead of the source omeroweb

    Note

    You have to do this again if you build the server

  • From the source omeroweb/ folder, manually run the Django development server

    # Example path to build target or downloaded directory
    $ export OMERO_HOME = ~/Desktop/OMERO/dist
    
    # Make sure the Django code etc can be imported
    $ export PYTHONPATH=$OMERO_HOME/lib/python/:$OMERO_HOME/../components/tools/OmeroWeb:$PYTHONPATH
    $ cd $OMERO_HOME
    # need to remove the built omeroweb code so it doesn't get imported
    $ rm -rf lib/python/omeroweb/
    
    $ cd ../components/tools/OmeroWeb
    $ python omeroweb/manage.py runserver
    Validating models...
    
    0 errors found
    December 05, 2013 - 13:39:26
    Django version 1.8, using settings 'omeroweb.settings'
    Starting development server at http://127.0.0.1:8000/
    Quit the server with CONTROL-C.
    

    Note

    Default port number is 8000. To specify port, use for example: $ python manage.py runserver 0.0.0.0:4080