pyarrow.csv.open_csv

pyarrow.csv.open_csv(input_file, read_options=None, parse_options=None, convert_options=None, MemoryPool memory_pool=None)

Open a streaming reader of CSV data.

Reading using this function is always single-threaded.

Parameters:

input_filestr, path or file-like object

The location of CSV data. If a string or path, and if it ends with a recognized compressed file extension (e.g. “.gz” or “.bz2”), the data is automatically decompressed when reading.

read_optionspyarrow.csv.ReadOptions, optional

Options for the CSV reader (see pyarrow.csv.ReadOptions constructor for defaults)

parse_optionspyarrow.csv.ParseOptions, optional

Options for the CSV parser (see pyarrow.csv.ParseOptions constructor for defaults)

convert_optionspyarrow.csv.ConvertOptions, optional

Options for converting CSV data (see pyarrow.csv.ConvertOptions constructor for defaults)

memory_poolMemoryPool, optional

Pool to allocate Table memory from

Returns:

pyarrow.csv.CSVStreamingReader