def vsizip_3(): fmain = gdal.VSIFOpenL("/vsizip/vsimem/test3.zip", "wb") f = gdal.VSIFOpenL("/vsizip/vsimem/test3.zip/foo", "wb") gdal.VSIFWriteL("foo", 1, 3, f) gdal.VSIFCloseL(f) f = gdal.VSIFOpenL("/vsizip/vsimem/test3.zip/bar", "wb") gdal.VSIFWriteL("bar", 1, 3, f) gdal.VSIFCloseL(f) gdal.VSIFCloseL(fmain) gdal.ReadDir("/vsizip/vsimem/test3.zip") f = gdal.VSIFOpenL("/vsizip/vsimem/test3.zip/baz", "wb") gdal.VSIFWriteL("baz", 1, 3, f) gdal.VSIFCloseL(f) res = gdal.ReadDir("/vsizip/vsimem/test3.zip") gdal.Unlink("/vsimem/test3.zip") if res != ['foo', 'bar', 'baz']: print(res) return 'fail' return 'success'
def ace2_1(): f = gdal.VSIFOpenL('/vsimem/45N015E_5M.ACE2', 'wb') gdal.VSIFSeekL(f, 180 * 180 * 4 - 1, 0) gdal.VSIFWriteL('\0', 1, 1, f) gdal.VSIFCloseL(f) tst = gdaltest.GDALTest('ACE2', '/vsimem/45N015E_5M.ACE2', 1, 0, filename_absolute=1) expected_gt = [ 15.0, 0.08333333333333333, 0.0, 60.0, 0.0, -0.08333333333333333 ] expected_srs = """GEOGCS["WGS 84", DATUM["WGS_1984", SPHEROID["WGS 84",6378137,298.257223563, AUTHORITY["EPSG","7030"]], TOWGS84[0,0,0,0,0,0,0], AUTHORITY["EPSG","6326"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9108"]], AUTHORITY["EPSG","4326"]]""" ret = tst.testOpen(check_gt=expected_gt, check_prj=expected_srs) gdal.Unlink('/vsimem/45N015E_5M.ACE2') return ret
def pam_9(): ds = gdal.GetDriverByName('GTiff').Create('/vsimem/pam_9.tif', 1, 1, 1) ds = None f = gdal.VSIFOpenL('/vsimem/pam_9.tif.aux.xml', 'wb') content = """<PAMDataset> <Metadata domain="xml:ESRI" format="xml"> <GeodataXform xsi:type="typens:IdentityXform" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:typens="http://www.esri.com/schemas/ArcGIS/9.2"> <SpatialReference xsi:type="typens:ProjectedCoordinateSystem"> <WKT>PROJCS["NAD_1983_UTM_Zone_14N",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["false_easting",500000.0],PARAMETER["false_northing",0.0],PARAMETER["central_meridian",-99.0],PARAMETER["scale_factor",0.9996],PARAMETER["latitude_of_origin",0.0],UNIT["Meter",1.0]]</WKT> <HighPrecision>true</HighPrecision> </SpatialReference> </GeodataXform> </Metadata> </PAMDataset>""" gdal.VSIFWriteL(content, 1, len(content), f) gdal.VSIFCloseL(f) ds = gdal.Open('/vsimem/pam_9.tif') wkt = ds.GetProjectionRef() ds = None gdal.GetDriverByName('GTiff').Delete('/vsimem/pam_9.tif') expected_wkt = """PROJCS["NAD_1983_UTM_Zone_14N",GEOGCS["GCS_North_American_1983",DATUM["North_American_Datum_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["false_easting",500000.0],PARAMETER["false_northing",0.0],PARAMETER["central_meridian",-99.0],PARAMETER["scale_factor",0.9996],PARAMETER["latitude_of_origin",0.0],UNIT["Meter",1.0]]""" if wkt != expected_wkt: print(wkt) return 'fail' return 'success'
def rfc30_2(): if version_info >= (3, 0, 0): filename = 'tmp/yy\u4E2D\u6587.\u4E2D\u6587' else: exec("filename = u'tmp/yy\u4E2D\u6587.\u4E2D\u6587'") # The typemaps should accept Unicode strings directly #filename = filename.encode( 'utf-8' ) fd = gdal.VSIFOpenL(filename, 'w') if fd is None: gdaltest.post_reason('failed to create utf-8 named file.') return 'failure' gdal.VSIFWriteL('abc', 3, 1, fd) gdal.VSIFCloseL(fd) # rename if version_info >= (3, 0, 0): new_filename = 'tmp/yy\u4E2D\u6587.\u4E2D\u6587' filename_for_rename = filename else: exec("new_filename = u'tmp/yy\u4E2D\u6587.\u4E2D\u6587'") filename_for_rename = filename.encode( 'utf-8') # FIXME ? rename should perhaps accept unicode strings new_filename = new_filename.encode( 'utf-8') # FIXME ? rename should perhaps accept unicode strings if gdal.Rename(filename_for_rename, new_filename) != 0: gdaltest.post_reason('utf-8 rename failed.') return 'failure' fd = gdal.VSIFOpenL(new_filename, 'r') if fd is None: gdaltest.post_reason('reopen failed with utf8') return 'failure' data = gdal.VSIFReadL(3, 1, fd) gdal.VSIFCloseL(fd) if version_info >= (3, 0, 0): ok = eval("data == b'abc'") else: ok = data == 'abc' if not ok: gdaltest.post_reason('did not get expected data.') return 'failure' gdal.Unlink(new_filename) fd = gdal.VSIFOpenL(new_filename, 'r') if fd is not None: gdaltest.post_reason('did unlink fail on utf8 filename?') return 'failure' return 'success'
def vsizip_6(): # Maintain ZIP file opened fmain = gdal.VSIFOpenL("/vsizip/vsimem/test6.zip", "wb") f = gdal.VSIFOpenL("/vsizip/vsimem/test6.zip/foo.bar", "wb") if f is None: gdaltest.post_reason('fail') return 'fail' gdal.VSIFWriteL("12345", 1, 5, f) gdal.VSIFCloseL(f) f = None gdal.PushErrorHandler('CPLQuietErrorHandler') f = gdal.VSIFOpenL("/vsizip/vsimem/test6.zip/foo.bar", "wb") gdal.PopErrorHandler() if f is not None: gdaltest.post_reason('fail') gdal.VSIFCloseL(f) return 'fail' gdal.VSIFCloseL(fmain) fmain = None gdal.Unlink("/vsimem/test6.zip") # Now close it each time f = gdal.VSIFOpenL("/vsizip/vsimem/test6.zip/foo.bar", "wb") if f is None: gdaltest.post_reason('fail') return 'fail' gdal.VSIFWriteL("12345", 1, 5, f) gdal.VSIFCloseL(f) f = None gdal.PushErrorHandler('CPLQuietErrorHandler') f = gdal.VSIFOpenL("/vsizip/vsimem/test6.zip/foo.bar", "wb") gdal.PopErrorHandler() if f is not None: gdaltest.post_reason('fail') gdal.VSIFCloseL(f) return 'fail' gdal.Unlink("/vsimem/test6.zip") return 'success'
def vsifile_generic(filename): fp = gdal.VSIFOpenL(filename, 'wb+') gdal.VSIFWriteL('0123456789', 1, 10, fp) gdal.VSIFTruncateL(fp, 5) if gdal.VSIFTellL(fp) != 10: gdaltest.post_reason('failure') return 'fail' gdal.VSIFSeekL(fp, 0, 2) if gdal.VSIFTellL(fp) != 5: gdaltest.post_reason('failure') return 'fail' gdal.VSIFWriteL('XX', 1, 2, fp) gdal.VSIFCloseL(fp) statBuf = gdal.VSIStatL( filename, gdal.VSI_STAT_EXISTS_FLAG | gdal.VSI_STAT_NATURE_FLAG | gdal.VSI_STAT_SIZE_FLAG) if statBuf.size != 7: gdaltest.post_reason('failure') print(statBuf.size) return 'fail' fp = gdal.VSIFOpenL(filename, 'rb') buf = gdal.VSIFReadL(1, 7, fp) gdal.VSIFCloseL(fp) if buf.decode('ascii') != '01234XX': gdaltest.post_reason('failure') return 'fail' gdal.Unlink(filename) statBuf = gdal.VSIStatL(filename, gdal.VSI_STAT_EXISTS_FLAG) if statBuf is not None: gdaltest.post_reason('failure') return 'fail' return 'success'
def ogr_gml_30(): if not gdaltest.have_gml_reader: return 'skip' field1 = " " for i in range(11): field1 = field1 + field1 geom = "0 1 " for i in range(9): geom = geom + geom data = """<FeatureCollection xmlns:gml="http://www.opengis.net/gml"> <gml:featureMember> <layer1> <geometry><gml:LineString><gml:posList>%s</gml:posList></gml:LineString></geometry> <field1>A%sZ</field1> </layer1> </gml:featureMember> </FeatureCollection>""" % (geom, field1) f = gdal.VSIFOpenL("/vsimem/ogr_gml_30.gml", "wb") gdal.VSIFWriteL(data, 1, len(data), f) gdal.VSIFCloseL(f) ds = ogr.Open("/vsimem/ogr_gml_30.gml") lyr = ds.GetLayer(0) feat = lyr.GetNextFeature() field1 = feat.GetField(0) geom_wkt = feat.GetGeometryRef().ExportToWkt() ds = None gdal.Unlink("/vsimem/ogr_gml_30.gml") gdal.Unlink("/vsimem/ogr_gml_30.gfs") if len(field1) != 2050: gdaltest.post_reason('did not get expected len(field1)') print(field1) print(len(field1)) return 'fail' if len(geom_wkt) != 2060: gdaltest.post_reason('did not get expected len(geom_wkt)') print(geom_wkt) print(len(geom_wkt)) return 'fail' return 'success'
def vrtovr_2(): vrt_string = """<VRTDataset rasterXSize="20" rasterYSize="20"> <VRTRasterBand dataType="Byte" band="1"> <ColorInterp>Gray</ColorInterp> <SimpleSource> <SourceFilename relativeToVRT="0">data/byte.tif</SourceFilename> <SourceBand>1</SourceBand> <SourceProperties RasterXSize="20" RasterYSize="20" DataType="Byte" BlockXSize="20" BlockYSize="20" /> <SrcRect xOff="0" yOff="0" xSize="20" ySize="20" /> <DstRect xOff="0" yOff="0" xSize="20" ySize="20" /> </SimpleSource> <Overview> <SourceFilename relativeToVRT="0">data/byte.tif</SourceFilename> <SourceBand>1</SourceBand> </Overview> </VRTRasterBand> </VRTDataset>""" f = gdal.VSIFOpenL("/vsimem/vrtovr_2.vrt", "wb") gdal.VSIFWriteL(vrt_string, len(vrt_string), 1, f) gdal.VSIFCloseL(f) ds = gdal.Open("/vsimem/vrtovr_2.vrt", gdal.GA_Update) ds.GetRasterBand(1).SetDescription('foo') ds = None ds = gdal.Open("/vsimem/vrtovr_2.vrt") if ds.GetRasterBand(1).GetOverviewCount() != 1: gdaltest.post_reason('did not get expected overview count') print(ds.GetRasterBand(1).GetOverviewCount()) return 'fail' cs = ds.GetRasterBand(1).GetOverview(0).Checksum() if cs != 4672: gdaltest.post_reason('did not get expected overview checksum') print(cs) return 'fail' ds = None gdal.Unlink("/vsimem/vrtovr_2.vrt") return 'success'
def mrsid_10(): if gdaltest.jp2mrsid_drv is None: return 'skip' f = open('data/int16.jp2', 'rb') data = f.read() f.close() f = gdal.VSIFOpenL('/vsimem/mrsid_10.jp2', 'wb') gdal.VSIFWriteL(data, 1, len(data), f) gdal.VSIFCloseL(f) ds = gdal.Open('/vsimem/mrsid_10.jp2') if ds is None: return 'fail' ds = None gdal.Unlink('/vsimem/mrsid_10.jp2') return 'success'
def ogr_gml_32(): if not gdaltest.have_gml_reader: return 'skip' # Test without .xsd or .gfs f = gdal.VSIFOpenL("data/testfmegml.gml", "rb") data = gdal.VSIFReadL(1, 10000, f) gdal.VSIFCloseL(f) f = gdal.VSIFOpenL("/vsimem/ogr_gml_31.gml", "wb") gdal.VSIFWriteL(data, 1, len(data), f) gdal.VSIFCloseL(f) ds = ogr.Open('/vsimem/ogr_gml_31.gml') lyr = ds.GetLayer(1) feat = lyr.GetNextFeature() feat = lyr.GetNextFeature() if feat.GetFID() != 1: gdaltest.post_reason( 'did not get feature when reading directly second layer') return 'fail' ds = None f = gdal.VSIFOpenL("/vsimem/ogr_gml_31.gfs", "rb") data = gdal.VSIFReadL(1, 10000, f) gdal.VSIFCloseL(f) data = str(data) if data.find("<SequentialLayers>true</SequentialLayers>") == -1: gdaltest.post_reason( 'did not find <SequentialLayers>true</SequentialLayers> in .gfs') return 'fail' gdal.Unlink("/vsimem/ogr_gml_31.gml") gdal.Unlink("/vsimem/ogr_gml_31.gfs") return 'success'
def ogr_osm_10(): if ogrtest.osm_drv is None: return 'skip' # Non existing file ds = ogr.Open('/nonexisting/foo.osm') if ds is not None: gdaltest.post_reason('fail') return 'fail' # Empty .osm file f = gdal.VSIFOpenL('/vsimem/foo.osm', 'wb') gdal.VSIFCloseL(f) ds = ogr.Open('/vsimem/foo.osm') if ds is not None: gdaltest.post_reason('fail') return 'fail' gdal.Unlink('/vsimem/foo.osm') # Empty .pbf file f = gdal.VSIFOpenL('/vsimem/foo.pbf', 'wb') gdal.VSIFCloseL(f) ds = ogr.Open('/vsimem/foo.pbf') if ds is not None: gdaltest.post_reason('fail') return 'fail' gdal.Unlink('/vsimem/foo.pbf') if ogrtest.osm_drv_parse_osm: # Invalid .osm file f = gdal.VSIFOpenL('/vsimem/foo.osm', 'wb') data = "<osm>" gdal.VSIFWriteL(data, 1, len(data), f) gdal.VSIFCloseL(f) ds = ogr.Open('/vsimem/foo.osm') lyr = ds.GetLayer(0) gdal.ErrorReset() gdal.PushErrorHandler('CPLQuietErrorHandler') feat = lyr.GetNextFeature() gdal.PopErrorHandler() if gdal.GetLastErrorMsg() == '': gdaltest.post_reason('fail') return 'fail' ds = None gdal.Unlink('/vsimem/foo.osm') # Invalid .pbf file f = gdal.VSIFOpenL('/vsimem/foo.pbf', 'wb') data = "OSMHeader\n" gdal.VSIFWriteL(data, 1, len(data), f) gdal.VSIFCloseL(f) ds = ogr.Open('/vsimem/foo.pbf') lyr = ds.GetLayer(0) gdal.ErrorReset() gdal.PushErrorHandler('CPLQuietErrorHandler') feat = lyr.GetNextFeature() gdal.PopErrorHandler() if gdal.GetLastErrorMsg() == '': gdaltest.post_reason('fail') return 'fail' ds = None gdal.Unlink('/vsimem/foo.pbf') # Test million laugh pattern if ogrtest.osm_drv_parse_osm: gdal.PushErrorHandler('CPLQuietErrorHandler') ds = ogr.Open('data/billionlaugh.osm') gdal.PopErrorHandler() if ds is not None: gdaltest.post_reason('fail') return 'fail' return 'success'
def vsizip_1(): # We can keep the handle open during all the ZIP writing hZIP = gdal.VSIFOpenL("/vsizip/vsimem/test.zip", "wb") if hZIP is None: gdaltest.post_reason('fail 1') return 'fail' # One way to create a directory f = gdal.VSIFOpenL("/vsizip/vsimem/test.zip/subdir2/", "wb") if f is None: gdaltest.post_reason('fail 2') return 'fail' gdal.VSIFCloseL(f) # A more natural one gdal.Mkdir("/vsizip/vsimem/test.zip/subdir1", 0) # Create 1st file f2 = gdal.VSIFOpenL("/vsizip/vsimem/test.zip/subdir3/abcd", "wb") if f2 is None: gdaltest.post_reason('fail 3') return 'fail' gdal.VSIFWriteL("abcd", 1, 4, f2) gdal.VSIFCloseL(f2) # Test that we cannot read a zip file being written gdal.ErrorReset() gdal.PushErrorHandler('CPLQuietErrorHandler') f = gdal.VSIFOpenL("/vsizip/vsimem/test.zip/subdir3/abcd", "rb") gdal.PopErrorHandler() if gdal.GetLastErrorMsg() != 'Cannot read a zip file being written': gdaltest.post_reason('expected error') print(gdal.GetLastErrorMsg()) return 'fail' if f is not None: gdaltest.post_reason('should not have been successful 1') return 'fail' # Create 2nd file f3 = gdal.VSIFOpenL("/vsizip/vsimem/test.zip/subdir3/efghi", "wb") if f3 is None: gdaltest.post_reason('fail 4') return 'fail' gdal.VSIFWriteL("efghi", 1, 5, f3) # Try creating a 3d file gdal.ErrorReset() gdal.PushErrorHandler('CPLQuietErrorHandler') f4 = gdal.VSIFOpenL("/vsizip/vsimem/test.zip/that_wont_work", "wb") gdal.PopErrorHandler() if gdal.GetLastErrorMsg() != 'Cannot create that_wont_work while another file is being written in the .zip': gdaltest.post_reason('expected error') print(gdal.GetLastErrorMsg()) return 'fail' if f4 is not None: gdaltest.post_reason('should not have been successful 2') return 'fail' gdal.VSIFCloseL(f3) # Now we can close the main handle gdal.VSIFCloseL(hZIP) f = gdal.VSIFOpenL("/vsizip/vsimem/test.zip/subdir3/abcd", "rb") if f is None: gdaltest.post_reason('fail 5') return 'fail' data = gdal.VSIFReadL(1, 4, f) gdal.VSIFCloseL(f) gdal.Unlink("/vsimem/test.zip") if data.decode('ASCII') != 'abcd': print(data) return 'fail' return 'success'
def vsizip_2(): fmain = gdal.VSIFOpenL("/vsizip/vsimem/test2.zip/foo.bar", "wb") if fmain is None: gdaltest.post_reason('fail 1') return 'fail' gdal.VSIFWriteL("12345", 1, 5, fmain) gdal.VSIFCloseL(fmain) content = gdal.ReadDir("/vsizip/vsimem/test2.zip") if content != ['foo.bar']: gdaltest.post_reason('bad content 1') print(content) return 'fail' # Now append a second file fmain = gdal.VSIFOpenL("/vsizip/vsimem/test2.zip/bar.baz", "wb") if fmain is None: gdaltest.post_reason('fail 2') return 'fail' gdal.VSIFWriteL("67890", 1, 5, fmain) gdal.ErrorReset() gdal.PushErrorHandler('CPLQuietErrorHandler') content = gdal.ReadDir("/vsizip/vsimem/test2.zip") gdal.PopErrorHandler() if gdal.GetLastErrorMsg() != 'Cannot read a zip file being written': gdaltest.post_reason('expected error') print(gdal.GetLastErrorMsg()) return 'fail' if content != None: gdaltest.post_reason('bad content 2') print(content) return 'fail' gdal.VSIFCloseL(fmain) content = gdal.ReadDir("/vsizip/vsimem/test2.zip") if content != ['foo.bar', 'bar.baz']: gdaltest.post_reason('bad content 3') print(content) return 'fail' fmain = gdal.VSIFOpenL("/vsizip/vsimem/test2.zip/foo.bar", "rb") if fmain is None: gdaltest.post_reason('fail 3') return 'fail' data = gdal.VSIFReadL(1, 5, fmain) gdal.VSIFCloseL(fmain) if data.decode('ASCII') != '12345': print(data) return 'fail' fmain = gdal.VSIFOpenL("/vsizip/vsimem/test2.zip/bar.baz", "rb") if fmain is None: gdaltest.post_reason('fail 4') return 'fail' data = gdal.VSIFReadL(1, 5, fmain) gdal.VSIFCloseL(fmain) if data.decode('ASCII') != '67890': print(data) return 'fail' gdal.Unlink("/vsimem/test2.zip") return 'success'
def ecrgtoc_1(): toc_xml = """<Table_of_Contents> <file_header file_status="new"> <file_name>TOC.xml</file_name> </file_header> <product product_title="ProductTitle"> <disc id="DiscId"> <frame_list number_of_frames="2"> <scale size="1:500 K"> <frame name="000000009s0013.lf2"> <frame_path>clfc\\2</frame_path> <frame_version>001</frame_version> <frame_chart_type>lf</frame_chart_type> <frame_zone>2</frame_zone> </frame> <frame name="000000009t0013.lf2"> <frame_path>clfc\\2</frame_path> <frame_version>001</frame_version> <frame_chart_type>lf</frame_chart_type> <frame_zone>2</frame_zone> </frame> </scale> </frame_list> </disc> </product> <extension_list> <extension code="LF"> <chart_code>LF</chart_code> <chart_type>1:500 K (LFC Day)</chart_type> <chart_scale>1:500 K</chart_scale> <chart_description>LFC Day</chart_description> </extension> </extension_list> </Table_of_Contents>""" f = gdal.VSIFOpenL('/vsimem/TOC.xml', 'wb') gdal.VSIFWriteL(toc_xml, 1, len(toc_xml), f) gdal.VSIFCloseL(f) ds = gdal.Open('/vsimem/TOC.xml') if ds is None: return 'fail' expected_gt = [ -85.43147208121826, 0.00059486040609137061, 0.0, 33.166986564299428, 0.0, -0.00044985604606525913 ] gt = ds.GetGeoTransform() for i in range(6): if abs(gt[i] - expected_gt[i]) > 1e-10: gdaltest.post_reason('did not get expected geotransform') print(gt) wkt = ds.GetProjectionRef() if wkt.find('WGS 84') == -1: gdaltest.post_reason('did not get expected SRS') print(wkt) return 'fail' filelist = ds.GetFileList() if len(filelist) != 3: gdaltest.post_reason('did not get expected filelist') print(filelist) return 'fail' ds2 = gdal.GetDriverByName('NITF').Create('/vsimem/clfc/2/000000009s0013.lf2', 2304, 2304, 3, \ options = ['ICORDS=G', 'TRE=GEOLOB=000605184000800256-85.43147208122+33.16698656430']) ds2.SetGeoTransform([ -85.43147208122, 0.00059486040609137061, 0.0, 33.16698656430, 0.0, -0.00044985604606525913 ]) ds2.SetProjection(wkt) ds2.GetRasterBand(1).Fill(255) ds2 = None ds2 = gdal.GetDriverByName('NITF').Create('/vsimem/clfc/2/000000009t0013.lf2', 2304, 2304, 3, \ options = ['ICORDS=G', 'TRE=GEOLOB=000605184000800256-84.06091370558+33.16698656430']) ds2.SetGeoTransform([ -84.06091370558, 0.00059486040609137061, 0.0, 33.16698656430, 0.0, -0.00044985604606525913 ]) ds2.SetProjection(wkt) ds2 = None cs = ds.GetRasterBand(1).Checksum() ds = None if cs != 5966: gdaltest.post_reason('bad checksum') print(cs) return 'fail' return 'success'
def ecrgtoc_4(): toc_xml = """<Table_of_Contents> <file_header file_status="new"> <file_name>TOC.xml</file_name> </file_header> <product product_title="ProductTitle"> <disc id="DiscId"> <frame_list number_of_frames="1"> <scale size="1:500 K"> <frame name="000000009s0013.lf2"> <frame_path>clfc\\2</frame_path> <frame_version>001</frame_version> <frame_chart_type>lf</frame_chart_type> <frame_zone>2</frame_zone> </frame> </scale> </frame_list> </disc> <disc id="DiscId2"> <frame_list number_of_frames="1"> <scale size="1:500 K"> <frame name="000000009t0013.lf2"> <frame_path>clfc\\2</frame_path> <frame_version>001</frame_version> <frame_chart_type>lf</frame_chart_type> <frame_zone>2</frame_zone> </frame> </scale> </frame_list> </disc> </product> <extension_list> <extension code="LF"> <chart_code>LF</chart_code> <chart_type>1:500 K (LFC Day)</chart_type> <chart_scale>1:500 K</chart_scale> <chart_description>LFC Day</chart_description> </extension> </extension_list> </Table_of_Contents>""" f = gdal.VSIFOpenL('/vsimem/TOC.xml', 'wb') gdal.VSIFWriteL(toc_xml, 1, len(toc_xml), f) gdal.VSIFCloseL(f) ds = gdal.Open('/vsimem/TOC.xml') if ds is None: return 'fail' if ds.RasterCount != 0: gdaltest.post_reason('bad raster count') return 'fail' expected_gt = (-85.43147208121826, 0.00059486040609137061, 0.0, 33.166986564299428, 0.0, -0.00044985604606525913) gt = ds.GetGeoTransform() for i in range(6): if abs(gt[i] - expected_gt[i]) > 1e-10: gdaltest.post_reason('did not get expected geotransform') print(gt) wkt = ds.GetProjectionRef() if wkt.find('WGS 84') == -1: gdaltest.post_reason('did not get expected SRS') print(wkt) return 'fail' filelist = ds.GetFileList() if len(filelist) != 3: gdaltest.post_reason('did not get expected filelist') print(filelist) return 'fail' subdatasets = ds.GetMetadata('SUBDATASETS') if len(subdatasets) != 4: gdaltest.post_reason('did not get expected subdatasets') print(filelist) return 'fail' ds = None gdal.Unlink('/vsimem/TOC.xml') return 'success'
def vsifile_5(): fp = gdal.VSIFOpenL('tmp/vsifile_5.bin', 'wb') ref_data = ''.join(['%08X' % i for i in range(5 * 32768)]) gdal.VSIFWriteL(ref_data, 1, len(ref_data), fp) gdal.VSIFCloseL(fp) gdal.SetConfigOption('VSI_CACHE', 'YES') for i in range(3): if i == 0: gdal.SetConfigOption('VSI_CACHE_SIZE', '0') elif i == 1: gdal.SetConfigOption('VSI_CACHE_SIZE', '65536') else: gdal.SetConfigOption('VSI_CACHE_SIZE', None) fp = gdal.VSIFOpenL('tmp/vsifile_5.bin', 'rb') gdal.VSIFSeekL(fp, 50000, 0) if gdal.VSIFTellL(fp) != 50000: gdaltest.post_reason('fail') gdal.SetConfigOption('VSI_CACHE_SIZE', None) gdal.SetConfigOption('VSI_CACHE', None) return 'fail' gdal.VSIFSeekL(fp, 50000, 1) if gdal.VSIFTellL(fp) != 100000: gdaltest.post_reason('fail') gdal.SetConfigOption('VSI_CACHE_SIZE', None) gdal.SetConfigOption('VSI_CACHE', None) return 'fail' gdal.VSIFSeekL(fp, 0, 2) if gdal.VSIFTellL(fp) != 5 * 32768 * 8: gdaltest.post_reason('fail') gdal.SetConfigOption('VSI_CACHE_SIZE', None) gdal.SetConfigOption('VSI_CACHE', None) return 'fail' gdal.VSIFReadL(1, 1, fp) gdal.VSIFSeekL(fp, 0, 0) data = gdal.VSIFReadL(1, 3 * 32768, fp) if data.decode('ascii') != ref_data[0:3 * 32768]: gdaltest.post_reason('fail') gdal.SetConfigOption('VSI_CACHE_SIZE', None) gdal.SetConfigOption('VSI_CACHE', None) return 'fail' gdal.VSIFSeekL(fp, 16384, 0) data = gdal.VSIFReadL(1, 5 * 32768, fp) if data.decode('ascii') != ref_data[16384:16384 + 5 * 32768]: gdaltest.post_reason('fail') gdal.SetConfigOption('VSI_CACHE_SIZE', None) gdal.SetConfigOption('VSI_CACHE', None) return 'fail' data = gdal.VSIFReadL(1, 50 * 32768, fp) if data[0:1130496].decode('ascii') != ref_data[16384 + 5 * 32768:]: gdaltest.post_reason('fail') gdal.SetConfigOption('VSI_CACHE_SIZE', None) gdal.SetConfigOption('VSI_CACHE', None) return 'fail' gdal.VSIFCloseL(fp) gdal.SetConfigOption('VSI_CACHE_SIZE', None) gdal.SetConfigOption('VSI_CACHE', None) gdal.Unlink('tmp/vsifile_5.bin') return 'success'