Fokko commented on issue #1751:
URL:
https://github.com/apache/iceberg-python/issues/1751#issuecomment-2697492762
@andormarkus Sure thing, does the following help:
```
from io import BytesIO
from pyiceberg.avro.decoder_fast import CythonBinaryDecoder
from pyiceberg.avro.encoder import BinaryEncoder
from pyiceberg.avro.resolver import construct_writer, resolve_reader
from pyiceberg.manifest import DATA_FILE_TYPE, DEFAULT_READ_VERSION,
DataFile, DataFileContent, FileFormat
from pyiceberg.typedef import Record
def test_serialize():
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,
)
# Encode
output = BytesIO()
encoder = BinaryEncoder(output)
schema = DATA_FILE_TYPE[DEFAULT_READ_VERSION]
construct_writer(file_schema=schema).write(encoder, data_file)
# Decode
decoder = CythonBinaryDecoder(output.getvalue())
result = resolve_reader(
schema,
schema,
read_types={-1: DataFile},
).read(decoder)
assert result.file_path == "s3://some-path/some-file.parquet"
```
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