Re: Jinja2 with Django 1.8c1 & cannot import name 'Environment'

Hi Rolf,

Since your `jinja2.py` file sits before your installed `jinja2` package directory in your PYTHONPATH you end up trying to import `Environement` from your the module you're defining and not the installed `jinja2` module.

Rename your jinja2.py file something else and things should be working.

Simon

Le samedi 28 mars 2015 18:00:47 UTC-4, Rolf Brudeseth a écrit :

Does anybody see what I may be doing wrong here?

I followed this example:
https://github.com/aaugustin/mtefd/blob/master/multiple-template-engines.rst#jinja2-backend


The project is at:
/www/pbs_site

/www/pbs_site$ python manage.py check
System check identified no issues (0 silenced).

##### Error #####

ImportError at /

cannot import name 'Environment'

Request Method:     GET
Request URL: http://127.0.0.1:8000/
Django Version:     1.8c1
Exception Type:     ImportError
Exception Value:

cannot import name 'Environment'

Exception Location:     /www/pbs_site/jinja2.py in <module>, line 4
Python Executable:     /www/pbs-venv/bin/python
Python Version:     3.4.3
Python Path:

['/www/pbs_site',
  '/www/pbs_site/pbs_site',
  '/www/pbs-venv/bin',
  '/usr/local/lib/python34.zip',
  '/www/Python-3.4.3/Lib',
  '/www/Python-3.4.3/Lib/plat-linux',
  '/www/Python-3.4.3/build/lib.linux-i686-3.4',
  '/www/pbs-venv/lib/python3.4/site-packages']

Server time:     Fri, 27 Mar 2015 11:19:56 -0500

##### Code #####

/www/pbs_site$ grep ^TEMPLATES -A 23 pbs_site/settings.py
TEMPLATES = [
     {
         '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',
             ],
         },
     },
     {
         'BACKEND': 'django.template.backends.jinja2.Jinja2',
         'NAME': 'jinja2',
         'DIRS': [],
         'APP_DIRS': False,
         'OPTIONS': {
             'environment': 'jinja2.Environment',
         },
     },
]

/www/pbs_site$ cat jinja2.py
from django.contrib.staticfiles.storage import staticfiles_storage
from django.core.urlresolvers import reverse

from jinja2 import Environment


def environment(**options):
     env = Environment(**options)
     env.globals.update({
         'static': staticfiles_storage.url,
         'url': reverse,
     })
     return env

--
Rolf

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