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Call a Python function from Excel VBA

You can call a Python function from Excel VBA using the

Shell
function to execute a Python script or by using the
RunPython
method available in newer versions of Excel. Here's how you can do it using both methods:


1. **Using Shell Function**:

```vba
Sub CallPythonScript()

    Dim pythonScriptPath As String

    Dim pythonExePath As String

    Dim pythonCommand As String

    

    ' Path to your Python script

    pythonScriptPath = "C:pathtoyourpythonscript.py"

    

    ' Path to your Python executable

    pythonExePath = "C:pathtopythonpython.exe"

    

    ' Construct the Python command

    pythonCommand = pythonExePath & " " & pythonScriptPath

    

    ' Execute the Python script

    Shell pythonCommand, vbNormalFocus

End Sub

```

Replace `"C:pathtoyourpythonscript.py"` with the path to your Python script and `"C:pathtopythonpython.exe"` with the path to your Python executable.

2. **Using RunPython Method**:

```vba
Sub CallPythonFunction()

    Dim pyModule As Object

    Dim pyFunction As Object

    

    ' Load the Python module containing the function

    Set pyModule = Application.Run("pythontools.load", "C:pathtoyourpythonscript.py")

    

    ' Call the Python function

    Set pyFunction = pyModule.RunPythonFunction("your_python_function_name", "argument1", "argument2")

    

    ' Display the result

    MsgBox pyFunction

End Sub

```

Make sure you have enabled the "Python for Excel" add-in in Excel to use the `RunPython` method. Replace `"C:pathtoyourpythonscript.py"` with the path to your Python script and `"your_python_function_name"` with the name of the function you want to call.

Choose the method that best fits your requirements and the version of Excel you are using.

caa May 01 2024 100 reads 0 comments Print

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