Install pgadmin4 in deepin

$ sudo mkdir /var/lib/pgadmin
$ sudo mkdir /var/log/pgadmin
$ sudo chown $USER /var/lib/pgadmin
$ sudo chown $USER /var/log/pgadmin
$ sudo mkdir /opt/environments && cd /opt/environments
$ python3 -m venv pgadmin4
$ source pgadmin4/bin/activate
(pgadmin4) $ pip install pgadmin4
...
(pgadmin4) $ pgadmin4 (setup credentials)
$ sudo nano /etc/apache2/conf-available/pgadmin4.conf
...
  WSGIDaemonProcess pgadmin processes=1 threads=25 python-home=/opt/environments/pgadmin4
  WSGIScriptAlias /pgadmin4 /opt/environments/pgadmin4/lib/python3.5/site-packages/pgadmin4/pgAdmin4.wsgi

  <Directory "/opt/environments/pgadmin4/lib/python3.5/site-packages/pgadmin4/">
      WSGIProcessGroup pgadmin
      WSGIApplicationGroup %{GLOBAL}
      Require all granted
  </Directory>
...
$ sudo a2enconfig pgadmin4
$ sudo service apache2 restart
ready to go: localhost/pgadmin4