messagery > apps.py

from django.apps import AppConfig
from django.utils.translation import gettext_lazy as _


class MessageryConfig(AppConfig):
    name = 'messagery'
    label = 'messagery'
    verbose_name = _("Messages and E-mails management")

more data

In [34]: settings.INSTALLED_APPS
Out[34]: 
['django.contrib.contenttypes',
 'django.contrib.auth',
 'django.contrib.admin',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django_extensions',
 'rest_framework',
 'mongo_sync',
 'movies',
 'messagery']

In [39]: !ls /app/manage.py /app/messagery/templates/email/base_email_template.html 
/app/manage.py                                           /app/messagery/templates/email/base_email_template.html

In [40]: settings.TEMPLATES
Out[40]: 
[{'BACKEND': 'django.template.backends.django.DjangoTemplates',
  'DIRS': [],
  'APP_DIRS': True,
  'OPTIONS': {'context_processors': ['django.template.context_processors.debug',
    'django.template.context_processors.request',
    'django.contrib.auth.context_processors.auth',
    'django.contrib.messages.context_processors.messages']}}]

shell -i python

❯ tatu-manage shell -i python
Python 3.6.6 (default, Aug 22 2018, 20:48:31) 
[GCC 6.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
(InteractiveConsole)
>>> from django.template import  Engine, Context
>>> from messagery.models import Email
>>> from movies.models import Film
>>> email = Email.objects.get(name='confirm_screening_date')
>>> film = Film.objects.get(title='DETOX SP')
>>> html = email.get_html_for_film(film)
>>> html
'{% extends "email/base_email_template.html" %}\r\n{% block text %}\r\n<p>Oi, {{ambassador.profile.name}},</p>\r\n<p>Como estão os preparativos para a sua sessão do {{movie.title}} no dia {{screening.date|date:"d/m/Y"}}? Ela está de fato confirmada?</p>\r\n<p>Por favor, confira se todas as informações estão corretas. Se houver qualquer alteração, você pode editá-la na sua própria página na plataforma: <a href="{{absoluteurl}}ambassador">{{absoluteurl}}ambassador</a></p>\r\n<p>Abraços,</p>\r\n<p>Equipe Taturana</p>\r\n{% endblock %}'
>>> Engine().from_string(html).render(Context())
Traceback (most recent call last):
  File "<console>", line 1, in <module>
  File "/usr/local/lib/python3.6/site-packages/django/template/base.py", line 171, in render
    return self._render(context)
  File "/usr/local/lib/python3.6/site-packages/django/template/base.py", line 163, in _render
    return self.nodelist.render(context)
  File "/usr/local/lib/python3.6/site-packages/django/template/base.py", line 937, in render
    bit = node.render_annotated(context)
  File "/usr/local/lib/python3.6/site-packages/django/template/base.py", line 904, in render_annotated
    return self.render(context)
  File "/usr/local/lib/python3.6/site-packages/django/template/loader_tags.py", line 127, in render
    compiled_parent = self.get_parent(context)
  File "/usr/local/lib/python3.6/site-packages/django/template/loader_tags.py", line 124, in get_parent
    return self.find_template(parent, context)
  File "/usr/local/lib/python3.6/site-packages/django/template/loader_tags.py", line 104, in find_template
    template_name, skip=history,
  File "/usr/local/lib/python3.6/site-packages/django/template/engine.py", line 130, in find_template
    raise TemplateDoesNotExist(name, tried=tried)
django.template.exceptions.TemplateDoesNotExist: email/base_email_template.html

shell_plus

In [26]: from django.template import  Engine, Context

In [27]: email = Email.objects.get(name='confirm_screening_date')

In [28]: film = Film.objects.get(title='DETOX SP')

In [29]: html = email.get_html_for_film(film)

In [30]: html
Out[30]: '{% extends "email/base_email_template.html" %}\r\n{% block text %}\r\n<p>Oi, {{ambassador.profile.name}},</p>\r\n<p>Como estão os preparativos para a sua sessão do {{movie.title}} no dia {{screening.date|date:"d/m/Y"}}? Ela está de fato confirmada?</p>\r\n<p>Por favor, confira se todas as informações estão corretas. Se houver qualquer alteração, você pode editá-la na sua própria página na plataforma: <a href="{{absoluteurl}}ambassador">{{absoluteurl}}ambassador</a></p>\r\n<p>Abraços,</p>\r\n<p>Equipe Taturana</p>\r\n{% endblock %}'

In [31]: Engine().from_string(html).render(Context())
---------------------------------------------------------------------------
TemplateDoesNotExist                      Traceback (most recent call last)
<ipython-input-31-a294f767064e> in <module>()
----> 1 Engine().from_string(html).render(Context())

/usr/local/lib/python3.6/site-packages/django/template/base.py in render(self, context)
    169                 with context.bind_template(self):
    170                     context.template_name = self.name
--> 171                     return self._render(context)
    172             else:
    173                 return self._render(context)

/usr/local/lib/python3.6/site-packages/django/template/base.py in _render(self, context)
    161 
    162     def _render(self, context):
--> 163         return self.nodelist.render(context)
    164 
    165     def render(self, context):

/usr/local/lib/python3.6/site-packages/django/template/base.py in render(self, context)
    935         for node in self:
    936             if isinstance(node, Node):
--> 937                 bit = node.render_annotated(context)
    938             else:
    939                 bit = node

/usr/local/lib/python3.6/site-packages/django/template/base.py in render_annotated(self, context)
    902         """
    903         try:
--> 904             return self.render(context)
    905         except Exception as e:
    906             if context.template.engine.debug and not hasattr(e, 'template_debug'):

/usr/local/lib/python3.6/site-packages/django/template/loader_tags.py in render(self, context)
    125 
    126     def render(self, context):
--> 127         compiled_parent = self.get_parent(context)
    128 
    129         if BLOCK_CONTEXT_KEY not in context.render_context:

/usr/local/lib/python3.6/site-packages/django/template/loader_tags.py in get_parent(self, context)
    122             # parent is a django.template.backends.django.Template
    123             return parent.template
--> 124         return self.find_template(parent, context)
    125 
    126     def render(self, context):

/usr/local/lib/python3.6/site-packages/django/template/loader_tags.py in find_template(self, template_name, context)
    102         )
    103         template, origin = context.template.engine.find_template(
--> 104             template_name, skip=history,
    105         )
    106         history.append(origin)

/usr/local/lib/python3.6/site-packages/django/template/engine.py in find_template(self, name, dirs, skip)
    128             except TemplateDoesNotExist as e:
    129                 tried.extend(e.tried)
--> 130         raise TemplateDoesNotExist(name, tried=tried)
    131 
    132     def from_string(self, template_code):

TemplateDoesNotExist: email/base_email_template.html

In [32]: !ls -l /app/messagery/templates/email/base_email_template.html 
-rw-rw-r--    1 1000     1000           869 Sep 10 00:43 /app/messagery/templates/email/base_email_template.html