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Fixed contrib.gis tests breaking in some edge cases.

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The tests would error out with an ImproperlyConfigured error
if the user had psycopg installed but not geos.
Thanks to mcgohier for the report.
This commit is contained in:
Baptiste Mispelon 2014-05-17 14:59:06 +02:00
parent 5b185ecc68
commit a0d5970d44
1 changed files with 12 additions and 0 deletions
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12
django/contrib/gis/tests/tests.py
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@ -1,13 +1,25 @@
import sys
import unittest
from django.core.exceptions import ImproperlyConfigured
from django.db import ProgrammingError
from django.utils import six
try:
from django.contrib.gis.db.backends.postgis.operations import PostGISOperations
HAS_POSTGRES = True
except ImportError:
HAS_POSTGRES = False
except ImproperlyConfigured as e:
# If psycopg is installed but not geos, the import path hits
# django.contrib.gis.geometry.backend which will "helpfully" convert
# an ImportError into an ImproperlyConfigured.
# Here, we make sure we're only catching this specific case and not another
# ImproperlyConfigured one.
if e.args and e.args[0].startswith('Could not import user-defined GEOMETRY_BACKEND'):
HAS_POSTGRES = False
else:
six.reraise(*sys.exc_info())
if HAS_POSTGRES: