MARKTPLATZ/project_base/apps.py

from django.apps import AppConfig
from constance.apps import ConstanceConfig
from post_office.apps import PostOfficeConfig

from django.template.loader import render_to_string, get_template
from django.utils.html import strip_tags


class ConstanceBase(ConstanceConfig):
    verbose_name = "Configuration"

class project_base(AppConfig):
    name = 'project_base'
    def ready(self):
        from django.contrib.auth.models import User

        print("ready")
        user = User.objects.update_or_create(username='admin',
                                defaults={
                                 'email':'admin@server.com',
                                 'password':'admin_pass',
                                 'is_superuser': 'True',
                                 'is_staff': 'True' }
                                 )
        u = User.objects.get(username='admin')
        u.set_password('admin_pass')
        u.save()

class PostOfficeBase(PostOfficeConfig):

    def ready(self):

        from post_office.models import EmailTemplate
        EmailTemplate.objects.update_or_create(
            name='generic',
            defaults={
            'subject'      :  'Neue Nachricht von gemeinschaffen.at',
            'description'  :  'Generic template',
            'html_content' :  "content html",
            'content'      :  "content"}
            )

        super().ready()




#
#
# def db_table_exists(table_name):
#     return table_name in connection.introspection.table_names()
#
# if db_table_exists(  'post_office_emailtemplate' ):
#
#
#     tFile =  get_template('streets/email/generic.html')
#     with open( str(tFile.template.origin), 'r') as file:
#         tContentHTML = file.read()
#         tContent =  strip_tags(tContentHTML)
#
#     EmailTemplate.objects.update_or_create(
#         name='generic',
#         defaults={
#         'subject'      :  _('Message from pop-up.wien'),
#         'description'  :  'Generic template',
#         'html_content' :  tContentHTML,
#         'content'      :  tContent}
#         )