| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| |
| #cython: language_level=3 |
| |
| from .tsfile_cpp cimport * |
| |
| from libc.stdlib cimport free |
| from libc.stdlib cimport malloc |
| from libc.string cimport strdup |
| from cpython.exc cimport PyErr_SetObject |
| from cpython.unicode cimport PyUnicode_AsUTF8String, PyUnicode_AsUTF8 |
| from cpython.bytes cimport PyBytes_AsString |
| |
| from tsfile.exceptions import ERROR_MAPPING |
| from tsfile.schema import ResultSetMetaData as ResultSetMetaDataPy |
| from tsfile.schema import TSDataType as TSDataTypePy, TSEncoding as TSEncodingPy |
| from tsfile.schema import Compressor as CompressorPy, ColumnCategory as CategoryPy |
| from tsfile.schema import TableSchema as TableSchemaPy, ColumnSchema as ColumnSchemaPy |
| |
| # check exception and set py exception object |
| cdef inline void check_error(int errcode, const char* context=NULL) except *: |
| cdef: |
| object exc_type |
| object exc_instance |
| |
| if errcode == 0: |
| return |
| |
| exc_type = ERROR_MAPPING.get(errcode) |
| print(exc_type) |
| exc_instance = exc_type(errcode, "") |
| PyErr_SetObject(exc_type, exc_instance) |
| |
| # convert from c to python |
| cdef object from_c_result_set_meta_data(ResultSetMetaData schema): |
| column_list = [] |
| data_types = [] |
| column_num = schema.column_num |
| |
| for i in range(column_num): |
| column_list.append(schema.column_names[i].decode('utf-8')) |
| data_types.append(TSDataTypePy(schema.data_types[i])) |
| result = ResultSetMetaDataPy(column_list, data_types) |
| return result |
| |
| cdef object from_c_column_schema(ColumnSchema schema): |
| column_name = schema.column_name.decode('utf-8') |
| data_type = TSDataTypePy(schema.data_type) |
| category_type = CategoryPy(schema.column_category) |
| return ColumnSchemaPy(column_name, data_type, category_type) |
| |
| cdef object from_c_table_schema(TableSchema schema): |
| cdef int i |
| table_name = schema.table_name.decode('utf-8') |
| columns = [] |
| for i in range(schema.column_num): |
| columns.append(from_c_column_schema(schema.column_schemas[i])) |
| free_c_table_schema(&schema) |
| return TableSchemaPy(table_name, columns) |
| |
| |
| |
| # Convert from python to c struct |
| cdef dict TS_DATA_TYPE_MAP = { |
| TSDataTypePy.BOOLEAN: TSDataType.TS_DATATYPE_BOOLEAN, |
| TSDataTypePy.INT32: TSDataType.TS_DATATYPE_INT32, |
| TSDataTypePy.INT64: TSDataType.TS_DATATYPE_INT64, |
| TSDataTypePy.FLOAT: TSDataType.TS_DATATYPE_FLOAT, |
| TSDataTypePy.DOUBLE: TSDataType.TS_DATATYPE_DOUBLE, |
| TSDataTypePy.TEXT: TSDataType.TS_DATATYPE_TEXT, |
| TSDataTypePy.STRING: TSDataType.TS_DATATYPE_STRING |
| } |
| |
| cdef dict TS_ENCODING_MAP = { |
| TSEncodingPy.PLAIN: TSEncoding.TS_ENCODING_PLAIN, |
| TSEncodingPy.DICTIONARY: TSEncoding.TS_ENCODING_DICTIONARY, |
| TSEncodingPy.RLE: TSEncoding.TS_ENCODING_RLE, |
| TSEncodingPy.DIFF: TSEncoding.TS_ENCODING_DIFF, |
| TSEncodingPy.TS_2DIFF: TSEncoding.TS_ENCODING_TS_2DIFF, |
| TSEncodingPy.BITMAP: TSEncoding.TS_ENCODING_BITMAP, |
| TSEncodingPy.GORILLA_V1: TSEncoding.TS_ENCODING_GORILLA_V1, |
| TSEncodingPy.REGULAR: TSEncoding.TS_ENCODING_REGULAR, |
| TSEncodingPy.GORILLA: TSEncoding.TS_ENCODING_GORILLA, |
| TSEncodingPy.ZIGZAG: TSEncoding.TS_ENCODING_ZIGZAG, |
| } |
| |
| cdef dict COMPRESSION_TYPE_MAP = { |
| CompressorPy.UNCOMPRESSED: CompressionType.TS_COMPRESSION_UNCOMPRESSED, |
| CompressorPy.SNAPPY: CompressionType.TS_COMPRESSION_SNAPPY, |
| CompressorPy.GZIP: CompressionType.TS_COMPRESSION_GZIP, |
| CompressorPy.LZO: CompressionType.TS_COMPRESSION_LZO, |
| CompressorPy.SDT: CompressionType.TS_COMPRESSION_SDT, |
| CompressorPy.PAA: CompressionType.TS_COMPRESSION_PAA, |
| CompressorPy.PLA: CompressionType.TS_COMPRESSION_PLA, |
| CompressorPy.LZ4: CompressionType.TS_COMPRESSION_LZ4, |
| } |
| |
| cdef dict CATEGORY_MAP = { |
| CategoryPy.TAG: ColumnCategory.TAG, |
| CategoryPy.FIELD: ColumnCategory.FIELD |
| } |
| |
| cdef TSDataType to_c_data_type(object data_type): |
| try: |
| return TS_DATA_TYPE_MAP[data_type] |
| except KeyError: |
| raise ValueError(f"Unsupported Python TSDataType: {data_type}") |
| |
| cdef ColumnCategory to_c_category_type(object category): |
| try: |
| return CATEGORY_MAP[category] |
| except KeyError: |
| raise ValueError(f"Unsupported Python Column Category: {category}") |
| |
| |
| cdef TSEncoding to_c_encoding_type(object encoding_type): |
| try: |
| return TS_ENCODING_MAP[encoding_type] |
| except KeyError: |
| raise ValueError(f"Unsupported Python TSEncoding: {encoding_type}") |
| |
| cdef CompressionType to_c_compression_type(object compression_type): |
| try: |
| return COMPRESSION_TYPE_MAP[compression_type] |
| except KeyError: |
| raise ValueError(f"Unsupported Python Compressor: {compression_type}") |
| |
| cdef TimeseriesSchema* to_c_timeseries_schema(object py_schema): |
| cdef TimeseriesSchema* c_schema |
| c_schema = <TimeseriesSchema *> malloc(sizeof(TimeseriesSchema)) |
| c_schema.timeseries_name = strdup(py_schema.timeseries_name.encode('utf-8')) |
| if py_schema.data_type is not None: |
| c_schema.data_type = to_c_data_type(py_schema.data_type) |
| else: |
| raise ValueError("data_type cannot be None") |
| if py_schema.encoding_type is not None: |
| c_schema.encoding = to_c_encoding_type(py_schema.encoding_type) |
| else: |
| raise ValueError("encoding_type cannot be None") |
| if py_schema.compression_type is not None: |
| c_schema.compression = to_c_compression_type(py_schema.compression_type) |
| else: |
| raise ValueError("compression_type cannot be None") |
| return c_schema |
| |
| |
| cdef DeviceSchema* to_c_device_schema(object py_schema): |
| cdef DeviceSchema* c_schema |
| c_schema = <DeviceSchema *> malloc(sizeof(DeviceSchema)) |
| c_schema.device_name = strdup(py_schema.device_name.encode('utf-8')) |
| c_schema.timeseries_num = len(py_schema.timeseries_list) |
| c_schema.timeseries_schema = <TimeseriesSchema *> malloc(c_schema.timeseries_num * sizeof(TimeseriesSchema)) |
| for i in range(c_schema.timeseries_num): |
| c_schema.timeseries_schema[i].timeseries_name = strdup(py_schema.timeseries_list[i].timeseries_name.encode('utf-8')) |
| c_schema.timeseries_schema[i].data_type = to_c_data_type(py_schema.timeseries_list[i].data_type) |
| c_schema.timeseries_schema[i].encoding = to_c_encoding_type(py_schema.timeseries_list[i].encoding_type) |
| c_schema.timeseries_schema[i].compression = to_c_compression_type(py_schema.timeseries_list[i].compression_type) |
| return c_schema |
| |
| cdef ColumnSchema* to_c_column_schema(object py_schema): |
| cdef ColumnSchema* c_schema |
| c_schema = <ColumnSchema*> malloc(sizeof(ColumnSchema)) |
| c_schema.data_type = to_c_data_type(py_schema.data_type) |
| c_schema.column_category = py_schema.category |
| c_schema.column_name = strdup(py_schema.column_name.encode('utf-8')) |
| return c_schema |
| |
| cdef TableSchema* to_c_table_schema(object py_schema): |
| cdef TableSchema* c_schema |
| c_schema = <TableSchema *> malloc(sizeof(TableSchema)) |
| c_schema.table_name = strdup(py_schema.table_name.encode('utf-8')) |
| c_schema.column_num = len(py_schema.columns) |
| c_schema.column_schemas = <ColumnSchema *> malloc(c_schema.column_num * sizeof(ColumnSchema)) |
| for i in range(c_schema.column_num): |
| c_schema.column_schemas[i].column_name = strdup(py_schema.columns[i].column_name.encode('utf-8')) |
| c_schema.column_schemas[i].column_category = to_c_category_type(py_schema.columns[i].category) |
| c_schema.column_schemas[i].data_type = to_c_data_type(py_schema.columns[i].data_type) |
| return c_schema |
| |
| |
| cdef Tablet to_c_tablet(object tablet): |
| cdef Tablet ctablet |
| cdef int max_row_num |
| cdef TSDataType data_type |
| cdef int64_t timestamp |
| cdef bytes device_id_bytes |
| cdef const char * device_id_c |
| cdef char** columns_names |
| cdef TSDataType* column_types |
| cdef bytes row_bytes |
| cdef const char *row_str |
| |
| if tablet.get_target_name() is not None: |
| device_id_bytes = PyUnicode_AsUTF8String(tablet.get_target_name()) |
| device_id_c = device_id_bytes |
| else: |
| device_id_c = NULL |
| |
| column_num = len(tablet.get_column_name_list()) |
| columns_names = <char**> malloc(sizeof(char *) * column_num) |
| columns_types = <TSDataType *> malloc(sizeof(TSDataType) * column_num) |
| for i in range(column_num): |
| columns_names[i] = strdup(tablet.get_column_name_list()[i].encode('utf-8')) |
| columns_types[i] = to_c_data_type(tablet.get_data_type_list()[i]) |
| |
| max_row_num = tablet.get_max_row_num() |
| |
| ctablet = _tablet_new_with_target_name(device_id_c, columns_names, columns_types, column_num, |
| max_row_num) |
| free(columns_types) |
| for i in range(column_num): |
| free(columns_names[i]) |
| free(columns_names) |
| |
| for row in range(max_row_num): |
| timestamp_py = tablet.get_timestamp_list()[row] |
| if timestamp_py is None: |
| continue |
| timestamp = timestamp_py |
| tablet_add_timestamp(ctablet, row, timestamp) |
| |
| for col in range(column_num): |
| data_type = to_c_data_type(tablet.get_data_type_list()[col]) |
| value = tablet.get_value_list()[col] |
| # BOOLEAN |
| if data_type == TS_DATATYPE_BOOLEAN: |
| for row in range(max_row_num): |
| if value[row] is not None: |
| tablet_add_value_by_index_bool(ctablet, row, col, value[row]) |
| # INT32 |
| elif data_type == TS_DATATYPE_INT32: |
| for row in range(max_row_num): |
| if value[row] is not None: |
| tablet_add_value_by_index_int32_t(ctablet, row, col, value[row]) |
| |
| # INT64 |
| elif data_type == TS_DATATYPE_INT64: |
| for row in range(max_row_num): |
| if value[row] is not None: |
| tablet_add_value_by_index_int64_t(ctablet, row, col, value[row]) |
| # FLOAT |
| elif data_type == TS_DATATYPE_FLOAT: |
| for row in range(max_row_num): |
| if value[row] is not None: |
| tablet_add_value_by_index_float(ctablet, row, col, value[row]) |
| |
| # DOUBLE |
| elif data_type == TS_DATATYPE_DOUBLE: |
| for row in range(max_row_num): |
| if value[row] is not None: |
| tablet_add_value_by_index_double(ctablet, row, col, value[row]) |
| |
| # STRING |
| elif data_type == TS_DATATYPE_STRING: |
| for row in range(max_row_num): |
| if value[row] is not None: |
| py_value = value[row] |
| row_bytes = PyUnicode_AsUTF8String(py_value) |
| row_str = PyBytes_AsString(row_bytes) |
| tablet_add_value_by_index_string(ctablet, row, col, row_str) |
| |
| |
| return ctablet |
| |
| |
| cdef TsRecord to_c_record(object row_record): |
| cdef int field_num = row_record.get_fields_num() |
| cdef int64_t timestamp = <int64_t>row_record.get_timestamp() |
| cdef bytes device_id_bytes = PyUnicode_AsUTF8String(row_record.get_device_id()) |
| cdef const char* device_id = device_id_bytes |
| cdef TsRecord record |
| cdef int i |
| cdef TSDataType data_type |
| record = _ts_record_new(device_id, timestamp, field_num) |
| for i in range(field_num): |
| field = row_record.get_fields()[i] |
| data_type = to_c_data_type(field.get_data_type()) |
| if data_type == TS_DATATYPE_BOOLEAN: |
| _insert_data_into_ts_record_by_name_bool(record, PyUnicode_AsUTF8(field.get_field_name()), field.get_bool_value()) |
| elif data_type == TS_DATATYPE_INT32: |
| _insert_data_into_ts_record_by_name_int32_t(record, PyUnicode_AsUTF8(field.get_field_name()), field.get_int_value()) |
| elif data_type == TS_DATATYPE_INT64: |
| _insert_data_into_ts_record_by_name_int64_t(record, PyUnicode_AsUTF8(field.get_field_name()), field.get_long_value()) |
| elif data_type == TS_DATATYPE_DOUBLE: |
| _insert_data_into_ts_record_by_name_double(record, PyUnicode_AsUTF8(field.get_field_name()), field.get_double_value()) |
| elif data_type == TS_DATATYPE_FLOAT: |
| _insert_data_into_ts_record_by_name_float(record, PyUnicode_AsUTF8(field.get_field_name()), field.get_float_value()) |
| |
| return record |
| |
| # Free c structs' space |
| cdef void free_c_table_schema(TableSchema* c_schema): |
| free(c_schema.table_name) |
| for i in range(c_schema.column_num): |
| free_c_column_schema(&(c_schema.column_schemas[i])) |
| free(c_schema.column_schemas) |
| |
| cdef void free_c_column_schema(ColumnSchema* c_schema): |
| free(c_schema.column_name) |
| |
| cdef void free_c_timeseries_schema(TimeseriesSchema* c_schema): |
| free(c_schema.timeseries_name) |
| |
| cdef void free_c_device_schema(DeviceSchema* c_schema): |
| free(c_schema.device_name) |
| for i in range(c_schema.timeseries_num): |
| free_c_timeseries_schema(&(c_schema.timeseries_schema[i])) |
| free(c_schema.timeseries_schema) |
| |
| cdef void free_c_tablet(Tablet tablet): |
| free_tablet(&tablet) |
| |
| cdef void free_c_row_record(TsRecord record): |
| _free_tsfile_ts_record(&record) |
| |
| # Reader and writer new. |
| cdef TsFileWriter tsfile_writer_new_c(object pathname, uint64_t memory_threshold) except +: |
| cdef ErrorCode errno = 0 |
| cdef TsFileWriter writer |
| cdef bytes encoded_path = PyUnicode_AsUTF8String(pathname) |
| cdef const char* c_path = encoded_path |
| writer = _tsfile_writer_new(c_path, memory_threshold, &errno) |
| check_error(errno) |
| return writer |
| |
| cdef TsFileReader tsfile_reader_new_c(object pathname) except +: |
| cdef ErrorCode errno = 0 |
| cdef TsFileReader reader |
| cdef bytes encoded_path = PyUnicode_AsUTF8String(pathname) |
| cdef const char* c_path = encoded_path |
| reader = tsfile_reader_new(c_path, &errno) |
| check_error(errno) |
| return reader |
| |
| cpdef object get_tsfile_config(): |
| return { |
| "tsblock_mem_inc_step_size_": g_config_value_.tsblock_mem_inc_step_size_, |
| "tsblock_max_memory_": g_config_value_.tsblock_max_memory_, |
| "page_writer_max_point_num_": g_config_value_.page_writer_max_point_num_, |
| "page_writer_max_memory_bytes_": g_config_value_.page_writer_max_memory_bytes_, |
| "max_degree_of_index_node_": g_config_value_.max_degree_of_index_node_, |
| "tsfile_index_bloom_filter_error_percent_": g_config_value_.tsfile_index_bloom_filter_error_percent_, |
| "time_encoding_type_":TSEncodingPy(int(g_config_value_.time_encoding_type_)), |
| "time_data_type_": TSDataTypePy(int(g_config_value_.time_data_type_)), |
| "time_compress_type_": CompressorPy(int(g_config_value_.time_compress_type_)), |
| "chunk_group_size_threshold_": g_config_value_.chunk_group_size_threshold_, |
| "record_count_for_next_mem_check_":g_config_value_.record_count_for_next_mem_check_, |
| "encrypt_flag_":g_config_value_.encrypt_flag_, |
| "boolean_encoding_type_":TSEncodingPy(int(g_config_value_.boolean_encoding_type_)), |
| "int32_encoding_type_": TSEncodingPy(int(g_config_value_.int32_encoding_type_)), |
| "int64_encoding_type_": TSEncodingPy(int(g_config_value_.int64_encoding_type_)), |
| "float_encoding_type_": TSEncodingPy(int(g_config_value_.float_encoding_type_)), |
| "double_encoding_type_": TSEncodingPy(int(g_config_value_.double_encoding_type_)), |
| "string_encoding_type_": TSEncodingPy(int(g_config_value_.string_encoding_type_)), |
| "default_compression_type_": CompressorPy(int(g_config_value_.default_compression_type_)), |
| } |
| |
| |
| cpdef void set_tsfile_config(dict new_config): |
| if "tsblock_mem_inc_step_size_" in new_config: |
| _check_uint32(new_config["tsblock_mem_inc_step_size_"]) |
| g_config_value_.tsblock_max_memory_ = new_config["tsblock_mem_inc_step_size_"] |
| if "tsblock_max_memory_" in new_config: |
| _check_uint32(new_config["tsblock_max_memory_"]) |
| g_config_value_.tsblock_max_memory_ = new_config["tsblock_max_memory_"] |
| if "page_writer_max_point_num_" in new_config: |
| _check_uint32(new_config["page_writer_max_point_num_"]) |
| g_config_value_.page_writer_max_point_num_ = new_config["page_writer_max_point_num_"] |
| if "page_writer_max_memory_bytes_" in new_config: |
| _check_uint32(new_config["page_writer_max_memory_bytes_"]) |
| g_config_value_.page_writer_max_memory_bytes_ = new_config["page_writer_max_memory_bytes_"] |
| if "max_degree_of_index_node_" in new_config: |
| _check_uint32(new_config["max_degree_of_index_node_"]) |
| g_config_value_.max_degree_of_index_node_ = new_config["max_degree_of_index_node_"] |
| if "tsfile_index_bloom_filter_error_percent_" in new_config: |
| _check_double(new_config["tsfile_index_bloom_filter_error_percent_"]) |
| g_config_value_.tsfile_index_bloom_filter_error_percent_ = new_config["tsfile_index_bloom_filter_error_percent_"] |
| if "time_encoding_type_" in new_config: |
| if not isinstance(new_config["time_encoding_type_"], TSEncodingPy): |
| raise TypeError(f"Unsupported TSEncoding: {new_config['time_encoding_type_']}") |
| code = set_global_time_encoding(<uint8_t>(new_config["time_encoding_type_"].value)) |
| check_error(code) |
| if "time_data_type_" in new_config: |
| if not isinstance(new_config["time_data_type_"], TSDataTypePy): |
| raise TypeError(f"Unsupported TSDataType: {new_config['time_data_type_']}") |
| code = set_global_time_data_type(<uint8_t>(new_config["time_data_type_"].value)) |
| check_error(code) |
| if "time_compress_type_" in new_config: |
| if not isinstance(new_config["time_compress_type_"], CompressorPy): |
| raise TypeError(f"Unsupported Compressor: {new_config['time_compress_type_']}") |
| code = set_global_time_compression(<uint8_t>(new_config["time_compress_type_"].value)) |
| check_error(code) |
| if "chunk_group_size_threshold_" in new_config: |
| _check_uint32(new_config["chunk_group_size_threshold_"]) |
| g_config_value_.chunk_group_size_threshold_ = new_config["chunk_group_size_threshold_"] |
| if "record_count_for_next_mem_check_" in new_config: |
| _check_uint32(new_config["record_count_for_next_mem_check_"]) |
| g_config_value_.record_count_for_next_mem_check_ = new_config["record_count_for_next_mem_check_"] |
| if "encrypt_flag_" in new_config: |
| _check_bool(new_config["encrypt_flag_"]) |
| g_config_value_.encrypt_flag_ = <bint>new_config["encrypt_flag_"] |
| |
| if "boolean_encoding_type_" in new_config: |
| if not isinstance(new_config["boolean_encoding_type_"], TSEncodingPy): |
| raise TypeError(f"Unsupported TSEncodingType: {new_config['boolean_encoding_type_']}") |
| code = set_datatype_encoding(TSDataTypePy.BOOLEAN.value, new_config['boolean_encoding_type_'].value) |
| check_error(code) |
| if "int32_encoding_type_" in new_config: |
| if not isinstance(new_config["int32_encoding_type_"], TSEncodingPy): |
| raise TypeError(f"Unsupported TSEncodingType: {new_config['int32_encoding_type_']}") |
| code = set_datatype_encoding(TSDataTypePy.INT32.value, new_config['int32_encoding_type_'].value) |
| check_error(code) |
| if "int64_encoding_type_" in new_config: |
| if not isinstance(new_config["int64_encoding_type_"], TSEncodingPy): |
| raise TypeError(f"Unsupported TSEncodingType: {new_config['int64_encoding_type_']}") |
| code = set_datatype_encoding(TSDataTypePy.INT64.value, new_config['int64_encoding_type_'].value) |
| check_error(code) |
| if "float_encoding_type_" in new_config: |
| if not isinstance(new_config["float_encoding_type_"], TSEncodingPy): |
| raise TypeError(f"Unsupported TSEncodingType: {new_config['float_encoding_type_']}") |
| code = set_datatype_encoding(TSDataTypePy.FLOAT.value, new_config['float_encoding_type_'].value) |
| check_error(code) |
| if "double_encoding_type_" in new_config: |
| if not isinstance(new_config["double_encoding_type_"], TSEncodingPy): |
| raise TypeError(f"Unsupported TSEncodingType: {new_config['double_encoding_type_']}") |
| code = set_datatype_encoding(TSDataTypePy.DOUBLE.value, new_config['double_encoding_type_'].value) |
| check_error(code) |
| if "string_encoding_type_" in new_config: |
| if not isinstance(new_config["string_encoding_type_"], TSEncodingPy): |
| raise TypeError(f"Unsupported TSEncodingType: {new_config['string_encoding_type_']}") |
| code = set_datatype_encoding(TSDataTypePy.STRING.value, new_config['string_encoding_type_'].value) |
| check_error(code) |
| if "default_compression_type_" in new_config: |
| if not isinstance(new_config["default_compression_type_"], CompressorPy): |
| raise TypeError(f"Unsupported CompressionType: {new_config['default_compression_type_']}") |
| code = set_global_compression(new_config["default_compression_type_"].value) |
| check_error(code) |
| |
| cdef _check_uint32(value): |
| if not isinstance(value, int) or value < 0 or value > 0xFFFFFFFF: |
| raise TypeError(f"Expected uint32, got {type(value)}") |
| |
| cdef _check_double(value): |
| if not isinstance(value, (int, float)): |
| raise TypeError(f"Expected float, got {type(value)}") |
| |
| cdef _check_bool(value): |
| if not isinstance(value, bool): |
| raise TypeError(f"Expected bool, got {type(value)}") |
| |
| # Register table and device |
| cdef ErrorCode tsfile_writer_register_device_py_cpp(TsFileWriter writer, DeviceSchema *schema): |
| cdef ErrorCode errno |
| errno = _tsfile_writer_register_device(writer, schema) |
| return errno |
| |
| cdef ErrorCode tsfile_writer_register_timeseries_py_cpp(TsFileWriter writer, object device_name, |
| TimeseriesSchema *schema): |
| cdef ErrorCode errno |
| cdef bytes encoded_device_name = PyUnicode_AsUTF8String(device_name) |
| cdef const char* c_device_name = encoded_device_name |
| errno = _tsfile_writer_register_timeseries(writer, c_device_name, schema) |
| return errno |
| |
| cdef ErrorCode tsfile_writer_register_table_py_cpp(TsFileWriter writer, TableSchema *schema): |
| cdef ErrorCode errno |
| errno = _tsfile_writer_register_table(writer, schema) |
| return errno |
| |
| cdef bint tsfile_result_set_is_null_by_name_c(ResultSet result_set, object name): |
| cdef bytes encoded_name = PyUnicode_AsUTF8String(name) |
| cdef const char* c_name = encoded_name |
| return tsfile_result_set_is_null_by_name(result_set, c_name) |
| |
| cdef ResultSet tsfile_reader_query_table_c(TsFileReader reader, object table_name, object column_list, |
| int64_t start_time, int64_t end_time): |
| cdef ResultSet result |
| cdef int column_num = len(column_list) |
| cdef bytes table_name_bytes = PyUnicode_AsUTF8String(table_name) |
| cdef const char* table_name_c = table_name_bytes |
| cdef char** columns = <char**> malloc(sizeof(char*) * column_num) |
| cdef int i |
| cdef ErrorCode code = 0 |
| if columns == NULL: |
| raise MemoryError("Failed to allocate memory for columns") |
| try: |
| for i in range(column_num): |
| columns[i] = strdup((<str>column_list[i]).encode('utf-8')) |
| if columns[i] == NULL: |
| raise MemoryError("Failed to allocate memory for column name") |
| result = tsfile_query_table(reader, table_name_c, columns, column_num, start_time, end_time, &code) |
| check_error(code) |
| return result |
| finally: |
| if columns != NULL: |
| for i in range(column_num): |
| free(<void*>columns[i]) |
| columns[i] = NULL |
| free(<void*>columns) |
| columns = NULL |
| |
| cdef ResultSet tsfile_reader_query_paths_c(TsFileReader reader, object device_name, object sensor_list, int64_t start_time, |
| int64_t end_time): |
| cdef ResultSet result |
| cdef int path_num = len(sensor_list) |
| cdef char** sensor_list_c = <char**> malloc(sizeof(char*) * path_num) |
| cdef bytes device_name_bytes = PyUnicode_AsUTF8String(device_name) |
| cdef const char* device_name_c = device_name_bytes |
| cdef int i |
| cdef ErrorCode code = 0 |
| if sensor_list_c == NULL: |
| raise MemoryError("Failed to allocate memory for paths") |
| try: |
| for i in range(path_num): |
| sensor_list_c[i] = strdup((<str>sensor_list[i]).encode('utf-8')) |
| if sensor_list_c[i] == NULL: |
| raise MemoryError("Failed to allocate memory for path") |
| result = _tsfile_reader_query_device(reader, device_name_c, sensor_list_c, path_num, start_time, end_time, &code) |
| check_error(code) |
| return result |
| finally: |
| if sensor_list_c != NULL: |
| for i in range(path_num): |
| if sensor_list_c[i] != NULL: |
| free(<void*>sensor_list_c[i]) |
| sensor_list_c[i] = NULL |
| free(<void*>sensor_list_c) |
| sensor_list_c = NULL |
| |
| cdef object get_table_schema(TsFileReader reader, object table_name): |
| cdef bytes table_name_bytes = PyUnicode_AsUTF8String(table_name) |
| cdef const char* table_name_c = table_name_bytes |
| cdef TableSchema schema = tsfile_reader_get_table_schema(reader, table_name_c) |
| return from_c_table_schema(schema) |
| |
| cdef object get_all_table_schema(TsFileReader reader): |
| cdef uint32_t table_num = 0 |
| cdef TableSchema* schemas |
| cdef int i |
| |
| table_schemas = {} |
| schemas = tsfile_reader_get_all_table_schemas(reader, &table_num) |
| for i in range(table_num): |
| schema_py = from_c_table_schema(schemas[i]) |
| table_schemas.update([(schema_py.get_table_name(), schema_py)]) |
| free(schemas) |
| return table_schemas |
| |
