pywps

PyWPS is an implementation of the Web Processing Service standard from the Open Geospatial Consortium. PyWPS is written in Python.

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PyWPS

PyWPS is an implementation of the Web Processing Service standard from the Open Geospatial Consortium. PyWPS is written in Python.

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License

As of PyWPS 4.0.0, PyWPS is released under an MIT license (see LICENSE.txt).

Dependencies

See requirements.txt file

Run tests

pip install -r requirements-dev.txt
# run unit tests
python -m unittest tests
# run code coverage
python -m coverage run --source=pywps -m unittest tests
python -m coverage report -m

Run web application

Example service

Clone the example service after having installed PyWPS:

git clone git://github.com/geopython/pywps-flask.git pywps-flask
cd pywps-flask
python demo.py

Apache configuration

  1. Enable WSGI extension

  2. Add configuration:

    WSGIDaemonProcess pywps user=user group=group processes=2 threads=5
    WSGIScriptAlias /pywps /path/to/www/htdocs/wps/pywps.wsgi
    
    <Directory /path/to/www/htdocs/wps/>
        WSGIProcessGroup group
        WSGIApplicationGroup %{GLOBAL}
        Order deny,allow
        Allow from all
    </Directory>
    
  3. Create wsgi file:

    #!/usr/bin/env python3
    import sys
    sys.path.append('/path/to/src/pywps/')
    
    import pywps
    from pywps.app import Service, WPS, Process
    
    def pr1():
        """This is the execute method of the process
        """
        pass
    
application = Service(processes=[Process(pr1)])
```
  1. Run via web browser

    http://localhost/pywps/?service=WPS&request=GetCapabilities&version=1.0.0

  2. Run in command line:

    curl 'http://localhost/pywps/?service=WPS&request=GetCapabilities&version=1.0.0'
    

Issues

On Windows PyWPS does not support multiprocessing which is used when making requests storing the response document and updating the status to displaying to the user the progression of a process.

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