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Code Issues 24 Releases Wiki Activity

Fixed #25797 -- Fixed regex for getting units from SRS WKT.

This commit is contained in:
Sergey Fedoseev 2015-11-26 00:34:08 +05:00 committed by Tim Graham
parent b52b9cf6f2
commit 717a54c883
2 changed files with 24 additions and 23 deletions
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7
django/contrib/gis/db/backends/base/models.py
View File

@ -21,12 +21,7 @@ class SpatialRefSysMixin(object):
# TODO: Figure out how to pull out angular units of projected coordinate system and
# fix for LOCAL_CS types. GDAL should be highly recommended for performing
# distance queries.
units_regex = re.compile(
r'.+UNIT ?\["(?P<unit_name>[\w \'\(\)]+)", ?(?P<unit>[\d\.]+)'
r'(,AUTHORITY\["(?P<unit_auth_name>[\w \'\(\)]+)",'
r'"(?P<unit_auth_val>\d+)"\])?\]([\w ]+)?(,'
r'AUTHORITY\["(?P<auth_name>[\w \'\(\)]+)","(?P<auth_val>\d+)"\])?\]$'
)
units_regex = re.compile(r'.+UNIT ?\["(?P<unit_name>[\w \.\'\(\)]+)", ?(?P<unit>[^ ,\]]+)', re.DOTALL)
@property
def srs(self):

40
tests/gis_tests/distapp/tests.py
View File

@ -1,13 +1,16 @@
from __future__ import unicode_literals
from unittest import skipUnless
from django.contrib.gis.db.models.functions import (
Area, Distance, Length, Perimeter, Transform,
)
from django.contrib.gis.gdal import HAS_GDAL
from django.contrib.gis.geos import GEOSGeometry, LineString, Point
from django.contrib.gis.measure import D # alias for Distance
from django.db import connection
from django.db.models import F, Q
from django.test import TestCase, ignore_warnings, skipUnlessDBFeature
from django.test import TestCase, ignore_warnings, mock, skipUnlessDBFeature
from django.utils.deprecation import RemovedInDjango20Warning
from ..utils import no_oracle, oracle, postgis
@ -487,6 +490,7 @@ class DistanceFunctionsTests(TestCase):
tol
)
@skipUnless(HAS_GDAL, "GDAL is required.")
@skipUnlessDBFeature("has_Distance_function", "has_Transform_function")
def test_distance_projected(self):
"""
@ -509,24 +513,26 @@ class DistanceFunctionsTests(TestCase):
455411.438904354, 519386.252102563, 696139.009211594,
232513.278304279, 542445.630586414, 456679.155883207]
# Testing using different variations of parameters and using models
# with different projected coordinate systems.
dist1 = SouthTexasCity.objects.annotate(distance=Distance('point', lagrange)).order_by('id')
if oracle:
dist_qs = [dist1]
else:
dist2 = SouthTexasCityFt.objects.annotate(distance=Distance('point', lagrange)).order_by('id')
dist_qs = [dist1, dist2]
for has_gdal in [False, True]:
with mock.patch('django.contrib.gis.gdal.HAS_GDAL', has_gdal):
# Testing using different variations of parameters and using models
# with different projected coordinate systems.
dist1 = SouthTexasCity.objects.annotate(distance=Distance('point', lagrange)).order_by('id')
if oracle:
dist_qs = [dist1]
else:
dist2 = SouthTexasCityFt.objects.annotate(distance=Distance('point', lagrange)).order_by('id')
dist_qs = [dist1, dist2]
# Original query done on PostGIS, have to adjust AlmostEqual tolerance
# for Oracle.
tol = 2 if oracle else 5
# Original query done on PostGIS, have to adjust AlmostEqual tolerance
# for Oracle.
tol = 2 if oracle else 5
# Ensuring expected distances are returned for each distance queryset.
for qs in dist_qs:
for i, c in enumerate(qs):
self.assertAlmostEqual(m_distances[i], c.distance.m, tol)
self.assertAlmostEqual(ft_distances[i], c.distance.survey_ft, tol)
# Ensuring expected distances are returned for each distance queryset.
for qs in dist_qs:
for i, c in enumerate(qs):
self.assertAlmostEqual(m_distances[i], c.distance.m, tol)
self.assertAlmostEqual(ft_distances[i], c.distance.survey_ft, tol)
@skipUnlessDBFeature("has_Distance_function", "supports_distance_geodetic")
def test_distance_geodetic(self):