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Serialize Python Objects to InputForm—Wolfram Documentation

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Serialize Python Objects to InputForm

Use Python serialization methods to export an expression to a Wolfram Language input.

Import the Python function export from the Wolfram Client Library

The export function is the cornerstone of the serialization module:

from wolframclient.serializers import export
  • export deals with serialization to both InputForm and WXF.

Serialize a Python object

Many Python built-in types are serialized to their Wolfram Language counterparts:

export({'int': 1, 'bool': True, 'string': 'hello'})

Use ByteArrayToString to create a string from the binary data returned by export:

Convert to a Wolfram Language expression using ToExpression:

Wolfram Language code: ToExpression[%]

Extract the Values from the association:

Wolfram Language code: Values[%]

Verify types with Head:

Wolfram Language code: Head /@ %

Write arbitrary Wolfram Language expressions in Python

Create an expression in Python using the wl function:

from wolframclient.language import wl wl_expr = wl.Graphics3D(wl.Sphere())

Export it using the default InputForm format:

export(wl_expr)

Use ByteArrayToString to create a string from the binary data returned by export:

Wolfram Language code: ByteArrayToString[%]

Convert to a Wolfram Language expression using ToExpression:

Wolfram Language code: ToExpression[%]

Notes

For more advanced usage of serialization, please see the Wolfram Client Library for Python documentation.