gdal/autotest/ogr/ogr_gpsbabel.py

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#!/usr/bin/env pytest
###############################################################################
# $Id$
#
# Project: GDAL/OGR Test Suite
# Purpose: Test read functionality for OGR GPSBabel driver.
# Author: Even Rouault <even dot rouault at spatialys.com>
#
###############################################################################
# Copyright (c) 2010, Even Rouault <even dot rouault at spatialys.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
###############################################################################
import gdaltest
import pytest
from osgeo import gdal, ogr
def gpsbabel_binary_found():
try:
ret = gdaltest.runexternal("gpsbabel -V")
return "GPSBabel" in ret
except OSError:
return False
pytestmark = [
pytest.mark.require_driver("GPSBabel"),
pytest.mark.require_driver("GPX"),
pytest.mark.skipif(
not gpsbabel_binary_found(), reason="GPSBabel utility not found"
),
]
###############################################################################
@pytest.fixture(autouse=True, scope="module")
def startup_and_cleanup():
# Check that the GPX driver has read support
with gdaltest.error_handler():
if ogr.Open("data/gpx/test.gpx") is None:
assert "Expat" in gdal.GetLastErrorMsg()
pytest.skip("GDAL build without Expat support")
###############################################################################
# Test reading with explicit subdriver
def test_ogr_gpsbabel_1():
ds = ogr.Open("GPSBabel:nmea:data/gpsbabel/nmea.txt")
assert ds is not None
assert ds.GetLayerCount() == 2
###############################################################################
# Test reading with implicit subdriver
def test_ogr_gpsbabel_2():
ds = ogr.Open("data/gpsbabel/nmea.txt")
assert ds is not None
assert ds.GetLayerCount() == 2
###############################################################################
# Test writing
def test_ogr_gpsbabel_3():
ds = ogr.GetDriverByName("GPSBabel").CreateDataSource("GPSBabel:nmea:tmp/nmea.txt")
lyr = ds.CreateLayer("track_points", geom_type=ogr.wkbPoint)
feat = ogr.Feature(lyr.GetLayerDefn())
feat.SetField("track_fid", 0)
feat.SetField("track_seg_id", 0)
feat.SetField("track_name", "TRACK_NAME")
feat.SetField("name", "PT_NAME")
feat.SetField("hdop", 123)
feat.SetField("vdop", 456)
feat.SetField("pdop", 789)
feat.SetField("sat", 6)
feat.SetField("time", "2010/06/03 12:34:56")
feat.SetField("fix", "3d")
geom = ogr.CreateGeometryFromWkt("POINT(2.50 49.25)")
feat.SetGeometry(geom)
lyr.CreateFeature(feat)
feat = None
lyr = None
ds = None
f = open("tmp/nmea.txt", "rt")
res = f.read()
f.close()
gdal.Unlink("tmp/nmea.txt")
assert not (
res.find("$GPRMC") == -1 or res.find("$GPGGA") == -1 or res.find("$GPGSA") == -1
), "did not get expected result"