Pass an Argument from SPSS to Python

 

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* Pass an argument from SPSS to Python.

**************** One method: using label of a variable ********************.

* To pass an argument to Python, define variable PythonArg and

GET FILE='c:\program files\spss\employee data.sav'.
NUMERIC PythonArg.
VARIABLE LABEL PythonArg "127; var1".

BEGIN PROGRAM python.

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import spss
lastVar = spss.GetVariableCount() - 1
if spss.GetVariableName(lastVar) == "PythonArg":
	argument = "\n***Python received the following argument: " + spss.GetVariableLabel(lastVar) 
else:
	argument = "\n***No arguments passed to Python"
print argument

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END PROGRAM.

EXECUTE.
DELETE VAR PythonArg.


**************** Alternative method: using a text file  ********************.

* Note: This method is MORE promissing.

GET FILE='c:\program files\spss\employee data.sav'.
HOST COMMAND=['ECHO 127; var1 > c:\temp\PythonArg.txt'].

BEGIN PROGRAM python.

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import spss, win32api

try:
	f = open(r'c:\temp\PythonArg.txt')
	arguments = f.readline()
	f.close()
	win32api.DeleteFile(r'c:\temp\PythonArg.txt')
	print "\n *** Python received the following arguments: " + arguments
except:
	print "\n***No arguments passed to Python"
print argument

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END PROGRAM.

EXECUTE.
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