jython.assign: Assign and get variables in Python from R

In rJython: R interface to Python via Jython

Description

Functions that assign and get Python variables from R.

Usage

  jython.assign( rJython, var.name, value )
  jython.get( rJython, py.var )

Arguments

rJython	rJython interpreter as instantiated by function rJython
var.name	a character string containing a valid python variable name
value	an R object whose equivalent wants to be assigned to the variable in python
py.var	Name of a python variable

Details

These functions can assign values to variables in Python as well as get their values back to R. Objects are serialized as json strings while being transferred between R and Python.

Value

Function jython.get returns a R version of the Python variable py.var.

References

http://code.google.com/p/simplejson

Examples

rJython <- rJython()

a <- 1:4
jython.assign( rJython, "a", a )
jython.exec( rJython, "b = len( a )" )
jython.get( rJython, "b" )

rJython$exec( "import math" )
jython.get( rJython, "math.pi" )

rJython documentation built on May 2, 2019, 2:05 a.m.