pyarrow.csv.open_csv#

pyarrow.csv.open_csv(input_file,read_options=None,parse_options=None,convert_options=None,MemoryPoolmemory_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 endswith 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 constructorfor 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 RecordBatch memory from

Returns:

pyarrow.csv.CSVStreamingReader