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Fixed #7 -- Warn if using DB engines other than psycopg2.

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This commit is contained in:
Tyson Clugg 2015-10-08 11:37:03 +11:00
parent a9df2f27df
commit 73465d6ed4
1 changed files with 8 additions and 8 deletions
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16
dddp/apps.py
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@ -1,6 +1,5 @@
"""Django DDP app config.""" """Django DDP app config."""
import warnings
from __future__ import print_function
from django.apps import AppConfig from django.apps import AppConfig
from django.conf import settings, ImproperlyConfigured from django.conf import settings, ImproperlyConfigured
@ -15,18 +14,19 @@ class DjangoDDPConfig(AppConfig):
api = None api = None
name = 'dddp' name = 'dddp'
verbose_name = 'Django DDP' verbose_name = 'Django DDP'
_in_migration = False
def ready(self): def ready(self):
"""Initialisation for django-ddp (setup lookups and signal handlers).""" """Initialisation for django-ddp (setup lookups and signal handlers)."""
if not settings.DATABASES: if not settings.DATABASES:
raise ImproperlyConfigured('No databases configured.') raise ImproperlyConfigured('No databases configured.')
for (alias, conf) in settings.DATABASES.items(): for (alias, conf) in settings.DATABASES.items():
if conf['ENGINE'] != 'django.db.backends.postgresql_psycopg2': engine = conf['ENGINE']
raise ImproperlyConfigured( if engine != 'django.db.backends.postgresql_psycopg2':
'%r uses %r: django-ddp only works with PostgreSQL.' % ( warnings.warn(
alias, conf['backend'], 'Database %r uses unsupported %r engine.' % (
) alias, engine,
),
UserWarning,
) )
self.api = autodiscover() self.api = autodiscover()
self.api.ready() self.api.ready()