Installation

Ubuntu 20.04

pip3 install pywps

Ubuntu 16.04

Clone the latest PyWPS repository:

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

Install required packages:

sudo apt-get install git python3-gdal
sudo pip install -e git+https://github.com/geopython/pywps.git@pywps-4.4#egg=pywps

Configuration

Apache WSGI:

sudo apt-get install libapache2-mod-wsgi
sudo a2enmod wsgi

Create WPS Directory /usr/local/pywps and create pywps.wsgi:

#!/usr/bin/env python3

from pywps.app.Service import Service

# processes need to be installed in PYTHON_PATH
from processes.sleep import Sleep
from processes.ultimate_question import UltimateQuestion
from processes.centroids import Centroids
from processes.sayhello import SayHello
from processes.feature_count import FeatureCount
from processes.buffer import Buffer
from processes.area import Area

processes = [
    FeatureCount(),
    SayHello(),
    Centroids(),
    UltimateQuestion(),
    Sleep(),
    Buffer(),
    Area()
]

# Service accepts two parameters:
# 1 - list of process instances
# 2 - list of configuration files
application = Service(
    processes,
    ['/usr/local/pywps/pywps.cfg']
)

Create pypws.cfg.

*Reference Configuration https://pywps.readthedocs.io/en/master/configuration.html

Create processes directory and logs direcoty:

mkdir processes
mkdir logs
chmod 777 logs
touch logs/pywps.log
chmod 777 logs/pywps.log

Create a configuration file /etc/apache2/sites-enabled/pywps.conf:

# PyWPS
WSGIDaemonProcess pywps python-path=/usr/local/pywps:/usr/local/anaconda3/envs/pywps/lib/python3.6/site-packages/ home=/usr/local/pywps user=www-data group=www-data processes=2 threads=5
WSGIScriptAlias /pywps /usr/local/pywps/pywps.wsgi process-group=pywps

<Directory /usr/local/pywps/>
    WSGIScriptReloading On
    WSGIProcessGroup pywps
    WSGIApplicationGroup %{GLOBAL}
    Require all granted
</Directory>

Test: http://localhost/wps?request=GetCapabilities&service=WPS

Q&A

[Wed Mar 17 11:35:24.851659 2021] [wsgi:error] [pid 79590:tid 139628017260288] [remote 10.28.140.89:50116] mod_wsgi (pid=79590): Failed to exec Python script file '/usr/local/pywps/pywps.wsgi'.
[Wed Mar 17 11:35:24.851713 2021] [wsgi:error] [pid 79590:tid 139628017260288] [remote 10.28.140.89:50116] mod_wsgi (pid=79590): Exception occurred processing WSGI script '/usr/local/pywps/pywps.wsgi'.
[Wed Mar 17 11:35:24.851782 2021] [wsgi:error] [pid 79590:tid 139628017260288] [remote 10.28.140.89:50116] Traceback (most recent call last):
[Wed Mar 17 11:35:24.851827 2021] [wsgi:error] [pid 79590:tid 139628017260288] [remote 10.28.140.89:50116]   File "/usr/local/pywps/pywps.wsgi", line 3, in <module>
[Wed Mar 17 11:35:24.851896 2021] [wsgi:error] [pid 79590:tid 139628017260288] [remote 10.28.140.89:50116]     from pywps.app.Service import Service
[Wed Mar 17 11:35:24.851942 2021] [wsgi:error] [pid 79590:tid 139628017260288] [remote 10.28.140.89:50116] ImportError: No module named pywps.app.Service

apt-get install libxml2-dev libxslt-dev

pip install lxml==4.2.5

Reference
https://github.com/geopython/pywps/
https://pywps.readthedocs.io/en/master/deployment.html python报错ImportError: cannot import name ‘etree’ from ‘lxml’ (E:\python\python\lib\site-packages\lxml Python爬虫——使用lxml库中的etree模块时显红报错，但又可以正常运行