PandasOnPythonFrame

The class is specific implementation of PandasFrame for PandasOnPython backend. It serves as an intermediate level between PandasQueryCompiler and PandasOnPythonFramePartitionManager.

Public API

class modin.engines.python.pandas_on_python.frame.data.PandasOnPythonFrame(partitions, index, columns, row_lengths=None, column_widths=None, dtypes=None)

Class for dataframes with pandas backend and Python engine.

PandasOnPythonFrame doesn’t implement any specific interfaces, all functionality is inherited from the PandasFrame class.

Parameters

  • partitions (np.ndarray) – A 2D NumPy array of partitions.

  • index (sequence) – The index for the dataframe. Converted to a pandas.Index.

  • columns (sequence) – The columns object for the dataframe. Converted to a pandas.Index.

  • row_lengths (list, optional) – The length of each partition in the rows. The “height” of each of the block partitions. Is computed if not provided.

  • column_widths (list, optional) – The width of each partition in the columns. The “width” of each of the block partitions. Is computed if not provided.

  • dtypes (pandas.Series, optional) – The data types for the dataframe columns.