If there are multiple Excel processes running check which process you want to attach to using the Windows Task Manager. Choose the Excel process to attach to Choosing the right process That is the Excel process you want to debug. If you followed the steps above to filter the processes containing “excel” you will only see a single process. Next P圜harm will present you with a list of processes to choose from. With Excel runinng and the PyXLL add-in loaded, in P圜harm go to “Run -> Attach to Process…”. Python Debugger Settings: Attach to Excel Attaching to Python in Excel Change this to “excel” to show only Excel processes, or leave it blank to show all processes. This setting is configured as “python” by default. Here you will see the setting “For Attach To Process show processes with names containing:”. Go to File -> Settings, and under the “Build, Execution, Deployment” section find the “Python Debugger” settings. ![]() Before you can attach to Excel to debug your PyXLL functions you need to change. Python Debugger Configurationīy default, you will only see processes called “python” when attaching to a process in P圜harm. ![]() If you are using Python 3.10 until this is resovled by JetBrains you will need to use the old-style “Remote Debugger” documented in the second half of this post. P圜harm does not yet properly support debugging of Python 3.10. This is perfect for attaching to the Python interpreter running in Excel through PyXLL! That means you can attach the debugger to a running Python process, even one not started by P圜harm. P圜harm’s debugger has an “Attach To Process” feature. This is required to attach the P圜harm debugger to PyXLL and debug Python in Excel. It works just in the same way as you can use P圜harm to step through a Python script!Īt the time of writing you will require the professional (paid) version for the “Attach to Process” feature. It’s debugger can attach to the running Excel process, allowing you to step through your Python code in Excel, line by line. A good debugger can be a life saver, and much easier to work with than countless print statements! Stepping through your code can help you identify what’s going on. When writing Python in Excel using PyXLL, you may find at times that you want to use a debugger. There’s no one right choice, but P圜harm offers a lot that can help increase productivity when writing Python code. We can use this to debug our Python code running in Excel.įor professional developers getting a development environment set up that works for you is essential. The debugger lets you step through Python code, line by line, and inspect variables. ![]() Among it’s many features is its excellent visual debugger. P圜harm is an extremely popular Python IDE by JetBrains.
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