pyrun

Run Python statements from Nelson.

📝 Syntax

• pyrun(code)

• outvars = pyrun(code, outputs)

• outvars = pyrun(code, outputs, pyName, pyValue)

📥 Input argument

• code - a string scalar, string array, character vector, character array or python code object.

• pyName, pyValue - Input arguments name and value

• outputs - string array: Python variable names.

📤 Output argument

• outvars - One or more Nelson workspace variable names returned as valid Python types.

📄 Description

pyrun(code) function executes Python statements present in the code string within the Python interpreter.

Variables generated by thepyrun function remain persistent, allowing their usage in subsequentpyrun calls.

outvars = pyrun(code, outputs) Python variables specified in outputs are returned to Nelson.

The values of these variables are captured inoutvars.

outvars = pyrun(code, outputs, pyName, pyValue), thecode is executed with assigned input and output variable names using Nelson data passed through one or more name-value arguments.

💡 Examples

pyrun('a = b * c', 'b', 5, 'c', 10)
r = pyrun('d = a + c', 'd')

pyrun(["a = 3","print(a)"])

[R1, R2] = pyrun("a=b*c",["a","b"], 'b', 5, 'c', 10)

Python code object representing a script generated through the built-in compile function in Python

PYCODE = pyrun('X = compile(''Y = 3'', ''test'', ''exec'')', 'X')
y = pyrun(PYCODE, 'Y')

🔗 See also

pyrunfile, pyenv, Python types supported.

🕔 History

Version	📄 Description
1.3.0	initial version
1.4.0	Python code object allowed as first input argument