PyWPS

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

License

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

Dependencies

See pyproject.toml file

Install

Install it from GitHub:

$ git clone https://github.com/geopython/pywps.git
$ cd pywps/
$ pip install .

Run tests

pip install ".[dev]"
# run unit tests
python -m pytest tests
# run code coverage
python -m coverage run --source=pywps -m pytest
python -m coverage report -m

Quick Guide with Conda

Checkout source from GitHub:

$ git clone https://github.com/geopython/pywps.git
$ cd pywps/

Build conda environment:

conda env create -f environment.yml

Install pywps:

make install

Or the development version:

make develop

Run tests:

make tests

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

Access example service: http://localhost:5000

Apache configuration

Enable WSGI extension

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>

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)])

Run via web browser

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

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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Source Distribution

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