py2neo.export – Exporting data

This module allows exporting data to external formats.

Example

>>> from py2neo import Graph
>>> from py2neo.export import to_pandas_data_frame
>>> graph = Graph()
>>> to_pandas_data_frame(graph.run("MATCH (a:Person) RETURN a.name, a.born LIMIT 4"))
   a.born              a.name
0    1964        Keanu Reeves
1    1967    Carrie-Anne Moss
2    1961  Laurence Fishburne
3    1960        Hugo Weaving

py2neo.export.to_numpy_ndarray(cursor, dtype=None, order='K')

Consume and extract the entire result as a numpy.ndarray.

Note

This method requires numpy to be installed.

Parameters

• cursor –

• dtype –

• order –

Warns

If numpy is not installed

Returns

ndarray object.

py2neo.export.to_pandas_series(cursor, field=0, index=None, dtype=None)

Consume and extract one field of the entire result as a pandas.Series.

Note

This method requires pandas to be installed.

Parameters

• cursor –

• field –

• index –

• dtype –

Warns

If pandas is not installed

Returns

Series object.

py2neo.export.to_pandas_data_frame(cursor, index=None, columns=None, dtype=None)

Consume and extract the entire result as a pandas.DataFrame.

Note

This method requires pandas to be installed.

Parameters

• cursor –

• index – Index to use for resulting frame.

• columns – Column labels to use for resulting frame.

• dtype – Data type to force.

Warns

If pandas is not installed

Returns

DataFrame object.

py2neo.export.to_sympy_matrix(cursor, mutable=False)

Consume and extract the entire result as a sympy.Matrix.

Note

This method requires sympy to be installed.

Parameters

• cursor –

• mutable –

Returns

Matrix object.