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| # 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. | |
| import inspect | |
| from copy import copy | |
| from datetime import date, datetime, time | |
| from enum import Enum | |
| from tempfile import TemporaryDirectory | |
| from typing import Any | |
| from uuid import UUID | |
| import pytest | |
| from _decimal import Decimal | |
| from fastavro import reader, writer | |
| import pyiceberg.avro.file as avro | |
| from pyiceberg.avro.codecs.deflate import DeflateCodec | |
| from pyiceberg.avro.file import META_SCHEMA, AvroFileHeader | |
| from pyiceberg.io.pyarrow import PyArrowFileIO | |
| from pyiceberg.manifest import ( | |
| DEFAULT_BLOCK_SIZE, | |
| MANIFEST_ENTRY_SCHEMAS, | |
| DataFile, | |
| DataFileContent, | |
| FileFormat, | |
| ManifestEntry, | |
| ManifestEntryStatus, | |
| ) | |
| from pyiceberg.schema import Schema | |
| from pyiceberg.typedef import Record | |
| from pyiceberg.types import ( | |
| BooleanType, | |
| DateType, | |
| DecimalType, | |
| DoubleType, | |
| FixedType, | |
| FloatType, | |
| IntegerType, | |
| LongType, | |
| NestedField, | |
| StringType, | |
| TimestampType, | |
| TimestamptzType, | |
| TimeType, | |
| UUIDType, | |
| ) | |
| from pyiceberg.utils.schema_conversion import AvroSchemaConversion | |
| def get_deflate_compressor() -> None: | |
| header = AvroFileHeader(struct=META_SCHEMA) | |
| header[0] = bytes(0) | |
| header[1] = {"avro.codec": "deflate"} | |
| header[2] = bytes(16) | |
| assert header.compression_codec() == DeflateCodec | |
| def get_null_compressor() -> None: | |
| header = AvroFileHeader(struct=META_SCHEMA) | |
| header[0] = bytes(0) | |
| header[1] = {"avro.codec": "null"} | |
| header[2] = bytes(16) | |
| assert header.compression_codec() is None | |
| def test_unknown_codec() -> None: | |
| header = AvroFileHeader(struct=META_SCHEMA) | |
| header[0] = bytes(0) | |
| header[1] = {"avro.codec": "unknown"} | |
| header[2] = bytes(16) | |
| with pytest.raises(ValueError) as exc_info: | |
| header.compression_codec() | |
| assert "Unsupported codec: unknown" in str(exc_info.value) | |
| def test_missing_schema() -> None: | |
| header = AvroFileHeader(struct=META_SCHEMA) | |
| header[0] = bytes(0) | |
| header[1] = {} | |
| header[2] = bytes(16) | |
| with pytest.raises(ValueError) as exc_info: | |
| header.get_schema() | |
| assert "No schema found in Avro file headers" in str(exc_info.value) | |
| # helper function to serialize our objects to dicts to enable | |
| # direct comparison with the dicts returned by fastavro | |
| def todict(obj: Any) -> Any: | |
| if isinstance(obj, dict): | |
| data = [] | |
| for k, v in obj.items(): | |
| data.append({"key": k, "value": v}) | |
| return data | |
| elif isinstance(obj, Enum): | |
| return obj.value | |
| elif hasattr(obj, "__iter__") and not isinstance(obj, str) and not isinstance(obj, bytes): | |
| return [todict(v) for v in obj] | |
| elif isinstance(obj, Record): | |
| return {key: todict(value) for key, value in inspect.getmembers(obj) if not callable(value) and not key.startswith("_")} | |
| else: | |
| return obj | |
| def test_write_manifest_entry_with_iceberg_read_with_fastavro_v1() -> None: | |
| data_file = DataFile( | |
| content=DataFileContent.DATA, | |
| file_path="s3://some-path/some-file.parquet", | |
| file_format=FileFormat.PARQUET, | |
| partition=Record(), | |
| record_count=131327, | |
| file_size_in_bytes=220669226, | |
| column_sizes={1: 220661854}, | |
| value_counts={1: 131327}, | |
| null_value_counts={1: 0}, | |
| nan_value_counts={}, | |
| lower_bounds={1: b"aaaaaaaaaaaaaaaa"}, | |
| upper_bounds={1: b"zzzzzzzzzzzzzzzz"}, | |
| key_metadata=b"\xde\xad\xbe\xef", | |
| split_offsets=[4, 133697593], | |
| equality_ids=[], | |
| sort_order_id=4, | |
| ) | |
| entry = ManifestEntry( | |
| status=ManifestEntryStatus.ADDED, | |
| snapshot_id=8638475580105682862, | |
| data_sequence_number=0, | |
| file_sequence_number=0, | |
| data_file=data_file, | |
| ) | |
| additional_metadata = {"foo": "bar"} | |
| with TemporaryDirectory() as tmpdir: | |
| tmp_avro_file = tmpdir + "/manifest_entry.avro" | |
| with avro.AvroOutputFile[ManifestEntry]( | |
| output_file=PyArrowFileIO().new_output(tmp_avro_file), | |
| file_schema=MANIFEST_ENTRY_SCHEMAS[1], | |
| schema_name="manifest_entry", | |
| record_schema=MANIFEST_ENTRY_SCHEMAS[2], | |
| metadata=additional_metadata, | |
| ) as out: | |
| out.write_block([entry]) | |
| with open(tmp_avro_file, "rb") as fo: | |
| r = reader(fo=fo) | |
| for k, v in additional_metadata.items(): | |
| assert k in r.metadata | |
| assert v == r.metadata[k] | |
| it = iter(r) | |
| fa_entry = next(it) | |
| v2_entry = todict(entry) | |
| # These are not written in V1 | |
| del v2_entry["data_sequence_number"] | |
| del v2_entry["file_sequence_number"] | |
| del v2_entry["data_file"]["content"] | |
| del v2_entry["data_file"]["equality_ids"] | |
| # Required in V1 | |
| v2_entry["data_file"]["block_size_in_bytes"] = DEFAULT_BLOCK_SIZE | |
| assert v2_entry == fa_entry | |
| def test_write_manifest_entry_with_iceberg_read_with_fastavro_v2() -> None: | |
| data_file = DataFile( | |
| content=DataFileContent.DATA, | |
| file_path="s3://some-path/some-file.parquet", | |
| file_format=FileFormat.PARQUET, | |
| partition=Record(), | |
| record_count=131327, | |
| file_size_in_bytes=220669226, | |
| column_sizes={1: 220661854}, | |
| value_counts={1: 131327}, | |
| null_value_counts={1: 0}, | |
| nan_value_counts={}, | |
| lower_bounds={1: b"aaaaaaaaaaaaaaaa"}, | |
| upper_bounds={1: b"zzzzzzzzzzzzzzzz"}, | |
| key_metadata=b"\xde\xad\xbe\xef", | |
| split_offsets=[4, 133697593], | |
| equality_ids=[], | |
| sort_order_id=4, | |
| ) | |
| entry = ManifestEntry( | |
| status=ManifestEntryStatus.ADDED, | |
| snapshot_id=8638475580105682862, | |
| data_sequence_number=0, | |
| file_sequence_number=0, | |
| data_file=data_file, | |
| ) | |
| additional_metadata = {"foo": "bar"} | |
| with TemporaryDirectory() as tmpdir: | |
| tmp_avro_file = tmpdir + "/manifest_entry.avro" | |
| with avro.AvroOutputFile[ManifestEntry]( | |
| output_file=PyArrowFileIO().new_output(tmp_avro_file), | |
| file_schema=MANIFEST_ENTRY_SCHEMAS[2], | |
| schema_name="manifest_entry", | |
| metadata=additional_metadata, | |
| ) as out: | |
| out.write_block([entry]) | |
| with open(tmp_avro_file, "rb") as fo: | |
| r = reader(fo=fo) | |
| for k, v in additional_metadata.items(): | |
| assert k in r.metadata | |
| assert v == r.metadata[k] | |
| it = iter(r) | |
| fa_entry = next(it) | |
| assert todict(entry) == fa_entry | |
| def test_write_manifest_entry_with_fastavro_read_with_iceberg(format_version: int) -> None: | |
| data_file = DataFile( | |
| content=DataFileContent.DATA, | |
| file_path="s3://some-path/some-file.parquet", | |
| file_format=FileFormat.PARQUET, | |
| partition=Record(), | |
| record_count=131327, | |
| file_size_in_bytes=220669226, | |
| column_sizes={1: 220661854}, | |
| value_counts={1: 131327}, | |
| null_value_counts={1: 0}, | |
| nan_value_counts={}, | |
| lower_bounds={1: b"aaaaaaaaaaaaaaaa"}, | |
| upper_bounds={1: b"zzzzzzzzzzzzzzzz"}, | |
| key_metadata=b"\xde\xad\xbe\xef", | |
| split_offsets=[4, 133697593], | |
| equality_ids=[], | |
| sort_order_id=4, | |
| spec_id=3, | |
| ) | |
| entry = ManifestEntry( | |
| status=ManifestEntryStatus.ADDED, | |
| snapshot_id=8638475580105682862, | |
| data_sequence_number=0, | |
| file_sequence_number=0, | |
| data_file=data_file, | |
| ) | |
| with TemporaryDirectory() as tmpdir: | |
| tmp_avro_file = tmpdir + "/manifest_entry.avro" | |
| schema = AvroSchemaConversion().iceberg_to_avro(MANIFEST_ENTRY_SCHEMAS[format_version], schema_name="manifest_entry") | |
| with open(tmp_avro_file, "wb") as out: | |
| writer(out, schema, [todict(entry)]) | |
| # Read as V2 | |
| with avro.AvroFile[ManifestEntry]( | |
| input_file=PyArrowFileIO().new_input(tmp_avro_file), | |
| read_schema=MANIFEST_ENTRY_SCHEMAS[2], | |
| read_types={-1: ManifestEntry, 2: DataFile}, | |
| ) as avro_reader: | |
| it = iter(avro_reader) | |
| avro_entry = next(it) | |
| assert entry == avro_entry | |
| # Read as the original version | |
| with avro.AvroFile[ManifestEntry]( | |
| input_file=PyArrowFileIO().new_input(tmp_avro_file), | |
| read_schema=MANIFEST_ENTRY_SCHEMAS[format_version], | |
| read_types={-1: ManifestEntry, 2: DataFile}, | |
| ) as avro_reader: | |
| it = iter(avro_reader) | |
| avro_entry = next(it) | |
| if format_version == 1: | |
| v1_datafile = copy(data_file) | |
| # Not part of V1 | |
| v1_datafile.equality_ids = None | |
| assert avro_entry == ManifestEntry( | |
| status=ManifestEntryStatus.ADDED, | |
| snapshot_id=8638475580105682862, | |
| # Not part of v1 | |
| data_sequence_number=None, | |
| file_sequence_number=None, | |
| data_file=v1_datafile, | |
| ) | |
| elif format_version == 2: | |
| assert entry == avro_entry | |
| else: | |
| raise ValueError(f"Unsupported version: {format_version}") | |
| def test_all_primitive_types(is_required: bool) -> None: | |
| all_primitives_schema = Schema( | |
| NestedField(field_id=1, name="field_fixed", field_type=FixedType(16), required=is_required), | |
| NestedField(field_id=2, name="field_decimal", field_type=DecimalType(6, 2), required=is_required), | |
| NestedField(field_id=3, name="field_bool", field_type=BooleanType(), required=is_required), | |
| NestedField(field_id=4, name="field_int", field_type=IntegerType(), required=True), | |
| NestedField(field_id=5, name="field_long", field_type=LongType(), required=is_required), | |
| NestedField(field_id=6, name="field_float", field_type=FloatType(), required=is_required), | |
| NestedField(field_id=7, name="field_double", field_type=DoubleType(), required=is_required), | |
| NestedField(field_id=8, name="field_date", field_type=DateType(), required=is_required), | |
| NestedField(field_id=9, name="field_time", field_type=TimeType(), required=is_required), | |
| NestedField(field_id=10, name="field_timestamp", field_type=TimestampType(), required=is_required), | |
| NestedField(field_id=11, name="field_timestamptz", field_type=TimestamptzType(), required=is_required), | |
| NestedField(field_id=12, name="field_string", field_type=StringType(), required=is_required), | |
| NestedField(field_id=13, name="field_uuid", field_type=UUIDType(), required=is_required), | |
| schema_id=1, | |
| ) | |
| class AllPrimitivesRecord(Record): | |
| field_fixed: bytes | |
| field_decimal: Decimal | |
| field_bool: bool | |
| field_int: int | |
| field_long: int | |
| field_float: float | |
| field_double: float | |
| field_date: date | |
| field_time: time | |
| field_timestamp: datetime | |
| field_timestamptz: datetime | |
| field_string: str | |
| field_uuid: UUID | |
| def __init__(self, *data: Any, **named_data: Any) -> None: | |
| super().__init__(*data, **{"struct": all_primitives_schema.as_struct(), **named_data}) | |
| record = AllPrimitivesRecord( | |
| b"\x124Vx\x124Vx\x124Vx\x124Vx", | |
| Decimal("123.45"), | |
| True, | |
| 123, | |
| 429496729622, | |
| 123.22000122070312, | |
| 429496729622.314, | |
| 19052, | |
| 69922000000, | |
| 1677629965000000, | |
| 1677629965000000, | |
| "this is a sentence", | |
| UUID("12345678-1234-5678-1234-567812345678"), | |
| ) | |
| with TemporaryDirectory() as tmpdir: | |
| tmp_avro_file = tmpdir + "/all_primitives.avro" | |
| # write to disk | |
| with avro.AvroOutputFile[AllPrimitivesRecord]( | |
| PyArrowFileIO().new_output(tmp_avro_file), all_primitives_schema, "all_primitives_schema" | |
| ) as out: | |
| out.write_block([record]) | |
| # read from disk | |
| with avro.AvroFile[AllPrimitivesRecord]( | |
| PyArrowFileIO().new_input(tmp_avro_file), | |
| all_primitives_schema, | |
| {-1: AllPrimitivesRecord}, | |
| ) as avro_reader: | |
| it = iter(avro_reader) | |
| avro_entry = next(it) | |
| # read with fastavro | |
| with open(tmp_avro_file, "rb") as fo: | |
| r = reader(fo=fo) | |
| it_fastavro = iter(r) | |
| avro_entry_read_with_fastavro = list(next(it_fastavro).values()) | |
| for idx, field in enumerate(all_primitives_schema.as_struct()): | |
| assert record[idx] == avro_entry[idx], f"Invalid {field}" | |
| assert record[idx] == avro_entry_read_with_fastavro[idx], f"Invalid {field} read with fastavro" | |