def test_vsifile_6(): if not gdaltest.filesystem_supports_sparse_files('tmp'): pytest.skip() offset = 4 * 1024 * 1024 * 1024 ref_data = 'abcd'.encode('ascii') fp = gdal.VSIFOpenL('tmp/vsifile_6.bin', 'wb') gdal.VSIFSeekL(fp, offset, 0) gdal.VSIFWriteL(ref_data, 1, len(ref_data), fp) gdal.VSIFCloseL(fp) # Sanity check without VSI_CACHE fp = gdal.VSIFOpenL('tmp/vsifile_6.bin', 'rb') gdal.VSIFSeekL(fp, offset, 0) got_data = gdal.VSIFReadL(1, len(ref_data), fp) gdal.VSIFCloseL(fp) assert ref_data == got_data # Real test now gdal.SetConfigOption('VSI_CACHE', 'YES') fp = gdal.VSIFOpenL('tmp/vsifile_6.bin', 'rb') gdal.SetConfigOption('VSI_CACHE', None) gdal.VSIFSeekL(fp, offset, 0) got_data = gdal.VSIFReadL(1, len(ref_data), fp) gdal.VSIFCloseL(fp) assert ref_data == got_data gdal.Unlink('tmp/vsifile_6.bin')
def test_vsifile_3(): if not gdaltest.filesystem_supports_sparse_files('tmp'): pytest.skip() filename = 'tmp/vsifile_3' fp = gdal.VSIFOpenL(filename, 'wb+') gdal.VSIFTruncateL(fp, 10 * 1024 * 1024 * 1024) gdal.VSIFSeekL(fp, 0, 2) pos = gdal.VSIFTellL(fp) if pos != 10 * 1024 * 1024 * 1024: gdal.VSIFCloseL(fp) gdal.Unlink(filename) pytest.fail(pos) gdal.VSIFSeekL(fp, 0, 0) gdal.VSIFSeekL(fp, pos, 0) pos = gdal.VSIFTellL(fp) if pos != 10 * 1024 * 1024 * 1024: gdal.VSIFCloseL(fp) gdal.Unlink(filename) pytest.fail(pos) gdal.VSIFCloseL(fp) statBuf = gdal.VSIStatL(filename, gdal.VSI_STAT_EXISTS_FLAG | gdal.VSI_STAT_NATURE_FLAG | gdal.VSI_STAT_SIZE_FLAG) gdal.Unlink(filename) assert statBuf.size == 10 * 1024 * 1024 * 1024
def test_kro_5(): # Determine if the filesystem supports sparse files (we don't want to create a real 10 GB # file ! if not gdaltest.filesystem_supports_sparse_files('tmp'): pytest.skip() ds = gdal.GetDriverByName('KRO').Create('tmp/kro_5.kro', 100000, 10000, 4) ds = None ds = gdal.Open('tmp/kro_5.kro') ds.ReadRaster(int(ds.RasterXSize / 2), int(ds.RasterYSize / 2), 100, 100) ds = None gdal.Unlink('tmp/kro_5.kro')
def kro_5(): # Determine if the filesystem supports sparse files (we don't want to create a real 10 GB # file ! if (gdaltest.filesystem_supports_sparse_files('tmp') == False): return 'skip' ds = gdal.GetDriverByName('KRO').Create('tmp/kro_5.kro', 100000, 10000, 4) ds = None ds = gdal.Open('tmp/kro_5.kro') ds.ReadRaster(ds.RasterXSize / 2, ds.RasterYSize / 2, 100, 100) ds = None gdal.Unlink('tmp/kro_5.kro') return 'success'
def kro_5(): # Determine if the filesystem supports sparse files (we don't want to create a real 10 GB # file ! if (gdaltest.filesystem_supports_sparse_files('tmp') == False): return 'skip' ds = gdal.GetDriverByName('KRO').Create('tmp/kro_5.kro', 100000, 10000, 4) ds = None ds = gdal.Open('tmp/kro_5.kro') ds.ReadRaster(int(ds.RasterXSize / 2), int(ds.RasterYSize / 2), 100, 100) ds = None gdal.Unlink('tmp/kro_5.kro') return 'success'
def tiff_read_huge4GB(): if (gdaltest.filesystem_supports_sparse_files('tmp') == False): ds = gdal.Open('data/huge4GB.tif') if ds is None: return 'fail' else: shutil.copy('data/huge4GB.tif', 'tmp/huge4GB.tif') f = open('tmp/huge4GB.tif', 'rb+') f.seek(65535 * 65535 + 401) f.write(' ') f.close() ds = gdal.Open('tmp/huge4GB.tif') if ds is None: os.remove('tmp/huge4GB.tif') return 'fail' ds = None os.remove('tmp/huge4GB.tif') return 'success'
def vsifile_3(): if not gdaltest.filesystem_supports_sparse_files('tmp'): return 'skip' filename = 'tmp/vsifile_3' fp = gdal.VSIFOpenL(filename, 'wb+') gdal.VSIFTruncateL(fp, 10 * 1024 * 1024 * 1024) gdal.VSIFSeekL(fp, 0, 2) pos = gdal.VSIFTellL(fp) if pos != 10 * 1024 * 1024 * 1024: gdaltest.post_reason('failure') gdal.VSIFCloseL(fp) gdal.Unlink(filename) print(pos) return 'fail' gdal.VSIFSeekL(fp, 0, 0) gdal.VSIFSeekL(fp, pos, 0) pos = gdal.VSIFTellL(fp) if pos != 10 * 1024 * 1024 * 1024: gdaltest.post_reason('failure') gdal.VSIFCloseL(fp) gdal.Unlink(filename) print(pos) return 'fail' gdal.VSIFCloseL(fp) statBuf = gdal.VSIStatL( filename, gdal.VSI_STAT_EXISTS_FLAG | gdal.VSI_STAT_NATURE_FLAG | gdal.VSI_STAT_SIZE_FLAG) gdal.Unlink(filename) if statBuf.size != 10 * 1024 * 1024 * 1024: gdaltest.post_reason('failure') print(statBuf.size) return 'fail' return 'success'
def vsifile_6(): if not gdaltest.filesystem_supports_sparse_files('tmp'): return 'skip' offset = 4 * 1024 * 1024 * 1024 ref_data = 'abcd'.encode('ascii') fp = gdal.VSIFOpenL('tmp/vsifile_6.bin', 'wb') gdal.VSIFSeekL(fp, offset, 0) gdal.VSIFWriteL(ref_data, 1, len(ref_data), fp) gdal.VSIFCloseL(fp) # Sanity check without VSI_CACHE fp = gdal.VSIFOpenL('tmp/vsifile_6.bin', 'rb') gdal.VSIFSeekL(fp, offset, 0) got_data = gdal.VSIFReadL(1, len(ref_data), fp) gdal.VSIFCloseL(fp) if ref_data != got_data: print(got_data) return 'fail' # Real test now gdal.SetConfigOption('VSI_CACHE', 'YES') fp = gdal.VSIFOpenL('tmp/vsifile_6.bin', 'rb') gdal.SetConfigOption('VSI_CACHE', None) gdal.VSIFSeekL(fp, offset, 0) got_data = gdal.VSIFReadL(1, len(ref_data), fp) gdal.VSIFCloseL(fp) if ref_data != got_data: print(got_data) return 'fail' gdal.Unlink('tmp/vsifile_6.bin') return 'success'
def vsifile_3(): if gdaltest.filesystem_supports_sparse_files("tmp") == False: return "skip" filename = "tmp/vsifile_3" fp = gdal.VSIFOpenL(filename, "wb+") gdal.VSIFTruncateL(fp, 10 * 1024 * 1024 * 1024) gdal.VSIFSeekL(fp, 0, 2) pos = gdal.VSIFTellL(fp) if pos != 10 * 1024 * 1024 * 1024: gdaltest.post_reason("failure") gdal.VSIFCloseL(fp) gdal.Unlink(filename) print(pos) return "fail" gdal.VSIFSeekL(fp, 0, 0) gdal.VSIFSeekL(fp, pos, 0) pos = gdal.VSIFTellL(fp) if pos != 10 * 1024 * 1024 * 1024: gdaltest.post_reason("failure") gdal.VSIFCloseL(fp) gdal.Unlink(filename) print(pos) return "fail" gdal.VSIFCloseL(fp) statBuf = gdal.VSIStatL(filename, gdal.VSI_STAT_EXISTS_FLAG | gdal.VSI_STAT_NATURE_FLAG | gdal.VSI_STAT_SIZE_FLAG) gdal.Unlink(filename) if statBuf.size != 10 * 1024 * 1024 * 1024: gdaltest.post_reason("failure") print(statBuf.size) return "fail" return "success"
def vsifile_3(): if not gdaltest.filesystem_supports_sparse_files('tmp'): return 'skip' filename = 'tmp/vsifile_3' fp = gdal.VSIFOpenL(filename, 'wb+') gdal.VSIFTruncateL(fp, 10 * 1024 * 1024 * 1024) gdal.VSIFSeekL(fp, 0, 2) pos = gdal.VSIFTellL(fp) if pos != 10 * 1024 * 1024 * 1024: gdaltest.post_reason('failure') gdal.VSIFCloseL(fp) gdal.Unlink(filename) print(pos) return 'fail' gdal.VSIFSeekL(fp, 0, 0) gdal.VSIFSeekL(fp, pos, 0) pos = gdal.VSIFTellL(fp) if pos != 10 * 1024 * 1024 * 1024: gdaltest.post_reason('failure') gdal.VSIFCloseL(fp) gdal.Unlink(filename) print(pos) return 'fail' gdal.VSIFCloseL(fp) statBuf = gdal.VSIStatL(filename, gdal.VSI_STAT_EXISTS_FLAG | gdal.VSI_STAT_NATURE_FLAG | gdal.VSI_STAT_SIZE_FLAG) gdal.Unlink(filename) if statBuf.size != 10 * 1024 * 1024 * 1024: gdaltest.post_reason('failure') print(statBuf.size) return 'fail' return 'success'