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Added GDAL 2.0 support

This commit is contained in:
Claude Paroz 2015-06-20 11:31:22 +02:00
parent 9368f51e12
commit ffdf507ec0
8 changed files with 47 additions and 15 deletions
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22
django/contrib/gis/gdal/field.py
View File

@ -49,9 +49,12 @@ class Field(GDALBase):
"Retrieves the Field's value as a double (float)."
return capi.get_field_as_double(self._feat.ptr, self._index)
def as_int(self):
def as_int(self, is_64=False):
"Retrieves the Field's value as an integer."
return capi.get_field_as_integer(self._feat.ptr, self._index)
if is_64:
return capi.get_field_as_integer64(self._feat.ptr, self._index)
else:
return capi.get_field_as_integer(self._feat.ptr, self._index)
def as_string(self):
"Retrieves the Field's value as a string."
@ -106,6 +109,7 @@ class Field(GDALBase):
# ### The Field sub-classes for each OGR Field type. ###
class OFTInteger(Field):
_double = False
_bit64 = False
@property
def value(self):
@ -115,7 +119,7 @@ class OFTInteger(Field):
# read as a double and cast as Python int (to prevent overflow).
return int(self.as_double())
else:
return self.as_int()
return self.as_int(self._bit64)
@property
def type(self):
@ -185,6 +189,10 @@ class OFTTime(Field):
return None
class OFTInteger64(OFTInteger):
_bit64 = True
# List fields are also just subclasses
class OFTIntegerList(Field):
pass
@ -201,6 +209,11 @@ class OFTStringList(Field):
class OFTWideStringList(Field):
pass
class OFTInteger64List(Field):
pass
# Class mapping dictionary for OFT Types and reverse mapping.
OGRFieldTypes = {
0: OFTInteger,
@ -215,5 +228,8 @@ OGRFieldTypes = {
9: OFTDate,
10: OFTTime,
11: OFTDateTime,
# New 64-bit integer types in GDAL 2
12: OFTInteger64,
13: OFTInteger64List,
}
ROGRFieldTypes = {cls: num for num, cls in OGRFieldTypes.items()}

8
django/contrib/gis/gdal/prototypes/ds.py
View File

@ -6,10 +6,10 @@
from ctypes import POINTER, c_char_p, c_double, c_int, c_long, c_void_p
from django.contrib.gis.gdal.envelope import OGREnvelope
from django.contrib.gis.gdal.libgdal import lgdal
from django.contrib.gis.gdal.libgdal import GDAL_VERSION, lgdal
from django.contrib.gis.gdal.prototypes.generation import (
const_string_output, double_output, geom_output, int_output, srs_output,
void_output, voidptr_output,
const_string_output, double_output, geom_output, int64_output, int_output,
srs_output, void_output, voidptr_output,
)
c_int_p = POINTER(c_int) # shortcut type
@ -66,6 +66,8 @@ get_field_as_datetime = int_output(lgdal.OGR_F_GetFieldAsDateTime,
)
get_field_as_double = double_output(lgdal.OGR_F_GetFieldAsDouble, [c_void_p, c_int])
get_field_as_integer = int_output(lgdal.OGR_F_GetFieldAsInteger, [c_void_p, c_int])
if GDAL_VERSION >= (2, 0):
get_field_as_integer64 = int64_output(lgdal.OGR_F_GetFieldAsInteger64, [c_void_p, c_int])
get_field_as_string = const_string_output(lgdal.OGR_F_GetFieldAsString, [c_void_p, c_int])
get_field_index = int_output(lgdal.OGR_F_GetFieldIndex, [c_void_p, c_char_p])

9
django/contrib/gis/gdal/prototypes/generation.py
View File

@ -2,7 +2,7 @@
This module contains functions that generate ctypes prototypes for the
GDAL routines.
"""
from ctypes import c_char_p, c_double, c_int, c_void_p
from ctypes import c_char_p, c_double, c_int, c_int64, c_void_p
from functools import partial
from django.contrib.gis.gdal.prototypes.errcheck import (
@ -56,6 +56,13 @@ def int_output(func, argtypes):
return func
def int64_output(func, argtypes):
"Generates a ctypes function that returns a 64-bit integer value."
func.argtypes = argtypes
func.restype = c_int64
return func
def srs_output(func, argtypes):
"""
Generates a ctypes prototype for the given function with

7
django/contrib/gis/gdal/prototypes/raster.py
View File

@ -5,7 +5,7 @@ related data structures.
from ctypes import POINTER, c_char_p, c_double, c_int, c_void_p
from functools import partial
from django.contrib.gis.gdal.libgdal import std_call
from django.contrib.gis.gdal.libgdal import GDAL_VERSION, std_call
from django.contrib.gis.gdal.prototypes.generation import (
const_string_output, double_output, int_output, void_output,
voidptr_output,
@ -30,7 +30,10 @@ get_driver_description = const_string_output(std_call('GDALGetDescription'), [c_
# Raster Data Source Routines
create_ds = voidptr_output(std_call('GDALCreate'), [c_void_p, c_char_p, c_int, c_int, c_int, c_int, c_void_p])
open_ds = voidptr_output(std_call('GDALOpen'), [c_char_p, c_int])
close_ds = void_output(std_call('GDALClose'), [c_void_p])
if GDAL_VERSION >= (2, 0):
close_ds = voidptr_output(std_call('GDALClose'), [c_void_p])
else:
close_ds = void_output(std_call('GDALClose'), [c_void_p])
flush_ds = int_output(std_call('GDALFlushCache'), [c_void_p])
copy_ds = voidptr_output(std_call('GDALCreateCopy'),
[c_void_p, c_char_p, c_void_p, c_int, POINTER(c_char_p), c_void_p, c_void_p]

5
django/contrib/gis/utils/ogrinspect.py
View File

@ -5,7 +5,8 @@ models for GeoDjango and/or mapping dictionaries for use with the
"""
from django.contrib.gis.gdal import DataSource
from django.contrib.gis.gdal.field import (
OFTDate, OFTDateTime, OFTInteger, OFTReal, OFTString, OFTTime,
OFTDate, OFTDateTime, OFTInteger, OFTInteger64, OFTReal, OFTString,
OFTTime,
)
from django.utils import six
from django.utils.six.moves import zip
@ -195,6 +196,8 @@ def _ogrinspect(data_source, model_name, geom_name='geom', layer_key=0, srid=Non
yield ' %s = models.FloatField(%s)' % (mfield, kwargs_str[2:])
elif field_type is OFTInteger:
yield ' %s = models.IntegerField(%s)' % (mfield, kwargs_str[2:])
elif field_type is OFTInteger64:
yield ' %s = models.BigIntegerField(%s)' % (mfield, kwargs_str[2:])
elif field_type is OFTString:
yield ' %s = models.CharField(max_length=%s%s)' % (mfield, width, kwargs_str)
elif field_type is OFTDate:

2
docs/ref/contrib/gis/install/geolibs.txt
View File

@ -10,7 +10,7 @@ Program Description Required
======================== ==================================== ================================ ============================
:doc:`GEOS <../geos>` Geometry Engine Open Source Yes 3.4, 3.3, 3.2
`PROJ.4`_ Cartographic Projections library Yes (PostgreSQL and SQLite only) 4.9, 4.8, 4.7, 4.6, 4.5, 4.4
:doc:`GDAL <../gdal>` Geospatial Data Abstraction Library Yes (SQLite only) 1.11, 1.10, 1.9, 1.8, 1.7
:doc:`GDAL <../gdal>` Geospatial Data Abstraction Library Yes (SQLite only) 2.0, 1.11, 1.10, 1.9, 1.8, 1.7
:doc:`GeoIP <../geoip>` IP-based geolocation library No 1.4
`PostGIS`__ Spatial extensions for PostgreSQL Yes (PostgreSQL only) 2.1, 2.0
`SpatiaLite`__ Spatial extensions for SQLite Yes (SQLite only) 4.1, 4.0, 3.0, 2.4

3
tests/gis_tests/gdal_tests/test_ds.py
View File

@ -27,7 +27,8 @@ if HAS_GDAL:
},
fids=range(5)
),
TestDS('test_vrt', ext='vrt', nfeat=3, nfld=3, geom='POINT', gtype='Point25D', driver='VRT',
TestDS('test_vrt', ext='vrt', nfeat=3, nfld=3, geom='POINT', gtype='Point25D',
driver='OGR_VRT' if GDAL_VERSION >= (2, 0) else 'VRT',
fields={
'POINT_X': OFTString,
'POINT_Y': OFTString,

6
tests/gis_tests/inspectapp/tests.py
View File

@ -14,7 +14,7 @@ from django.utils.six import StringIO
from ..test_data import TEST_DATA
if HAS_GDAL:
from django.contrib.gis.gdal import Driver, GDALException
from django.contrib.gis.gdal import Driver, GDALException, GDAL_VERSION
from django.contrib.gis.utils.ogrinspect import ogrinspect
from .models import AllOGRFields
@ -79,7 +79,7 @@ class OGRInspectTest(TestCase):
'',
'class MyModel(models.Model):',
' float = models.FloatField()',
' int = models.FloatField()',
' int = models.{}()'.format('BigIntegerField' if GDAL_VERSION >= (2, 0) else 'FloatField'),
' str = models.CharField(max_length=80)',
' geom = models.PolygonField(srid=-1)',
' objects = models.GeoManager()',
@ -106,7 +106,7 @@ class OGRInspectTest(TestCase):
'',
'class City(models.Model):',
' name = models.CharField(max_length=80)',
' population = models.FloatField()',
' population = models.{}()'.format('BigIntegerField' if GDAL_VERSION >= (2, 0) else 'FloatField'),
' density = models.FloatField()',
' created = models.DateField()',
' geom = models.PointField(srid=-1)',