pyarrow.ipc.new_file

pyarrow.ipc.new_file(sink, schema, *, use_legacy_format=None, options=None)[source]

Create an Arrow columnar IPC file writer instance

Parameters

  • sink (str, pyarrow.NativeFile, or file-like Python object) – Either a file path, or a writable file object.

  • schema (pyarrow.Schema) – The Arrow schema for data to be written to the file.

  • options (pyarrow.ipc.IpcWriteOptions) –

    Options for IPC serialization.

    If None, default values will be used: the legacy format will not be used unless overridden by setting the environment variable ARROW_PRE_0_15_IPC_FORMAT=1, and the V5 metadata version will be used unless overridden by setting the environment variable ARROW_PRE_1_0_METADATA_VERSION=1.

  • use_legacy_format (bool, default None) –

    Deprecated in favor of setting options. Cannot be provided with options.

    If None, False will be used unless this default is overridden by setting the environment variable ARROW_PRE_0_15_IPC_FORMAT=1

Serialization and IPC pyarrow.ipc.open_file