Django: how to configure Apache to serve Django apps with mod_wsgi - django

Question

I tried to set up a Django app with Apache and mod_wsgi, but ran into a problem that I have no ideas where is the cause. The app works fine with the command "python manage.py runserver", but when I tried to run it with Apache, I got the following errors in the Apache error log file.
Current thread 0x00007fb4880ad940 (most recent call first):
<no Python frame>
Python path configuration:
PYTHONHOME = '/data/anaconda3/envs/partsdb'
PYTHONPATH = (not set)
program name = 'python3'
isolated = 0
environment = 1
user site = 1
import site = 1
sys._base_executable = '/usr/bin/python3'
sys.base_prefix = '/data/anaconda3/envs/partsdb'
sys.base_exec_prefix = '/data/anaconda3/envs/partsdb'
sys.platlibdir = 'lib64'
sys.executable = '/usr/bin/python3'
sys.prefix = '/data/anaconda3/envs/partsdb'
sys.exec_prefix = '/data/anaconda3/envs/partsdb'
sys.path = [
'/data/anaconda3/envs/partsdb/lib64/python38.zip',
'/data/anaconda3/envs/partsdb/lib64/python3.8',
'/data/anaconda3/envs/partsdb/lib64/python3.8/lib-dynload',
]
Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding
Python runtime state: core initialized
ModuleNotFoundError: No module named 'encodings'
I have the following lines in an Apache conf file.
WSGIPythonHome /data/anaconda3/envs/partsdb
WSGIPythonPath /data/partsdb/partsdb
WSGIScriptAlias / /data/partsdb/partsdb/wsgi.py
<Directory "/data/partsdb/partsdb">
<Files wsgi.py>
Require all granted
</Files>
</Directory>
I also replaced the following two lines in the Apache conf file
WSGIPythonHome /data/anaconda3/envs/partsdb
WSGIPythonPath /data/partsdb/partsdb
with the following two lines, but got the same errors.
WSGIDaemonProcess partsdb python-path=/data/partsdb/partsdb python-home=/data/anaconda3/envs/hla3db_venv
WSGIProcessGroup partsdb
The file /data/partsdb/partsdb/wsgi.py just contains the following lines of codes.
import os
from django.core.wsgi import get_wsgi_application
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'partsdb.settings')
application = get_wsgi_application()
Upon a brief debugging, I found out that the errors were from this line in wsgi.py.
from django.core.wsgi import get_wsgi_application
My machine's OS is redhat 8, and the Apache version is 2.4.37. Thanks for any info/hints.

Answer 1

Try the following code:
WSGIDaemonProcess partsdb python-path=/data/partsdb/partsdb python-home=/data/anaconda3/envs/hla3db_venv
WSGIProcessGroup partsdb
WSGIApplicationGroup %{GLOBAL}
WSGIPythonHome /data/anaconda3/envs/partsdb
WSGIPythonPath /data/partsdb/partsdb
WSGIScriptAlias / /data/partsdb/partsdb/wsgi.py
<Directory "/data/partsdb/partsdb">
<Files wsgi.py>
Require all granted
</Files>
</Directory>
Alias /static /path/to/directory/defined/as/STATIC_ROOT/
# The first part is defined by STATIC_URL in settings.py
<Directory /path/to/directory/defined/as/STATIC_ROOT>
Require all granted
</Directory>
<VirtualHost *:80>
ServerName mysite.app
ServerAdmin webmaster#localhost
# You do not need to specify DocumentRoot
# I have seen advice not to do so
ErrorLog ${APACHE_LOG_DIR}error.log
CustomLog ${APACE_LOG_DIR}access.log combined
</VirtualHost>
Please note I used this for a single app running in daemon mode as suggested in the documentation, on a Ubuntu server. Check the permissions on the folders, in my case I had to change permissions to allow apache to read and write to the folders the site was in.
You can also look at the answer Graham Dumpleton gave a few years back here:
Apache with virtualenv and mod_wsgi : ImportError : No module named 'django'