What this does is, if you're running without optimization (as in python script.py) you get the DEBUG-level stuff, whereas if you run with python -OO script.py you don't. : I've since switched to a different method: logging.basicConfig(level=logging.DEBUG if _debug_ else logging.INFO) you do import pdb pdb.settrace () and you will enter into debugging mode. It supports setting (conditional) breakpoints and single stepping at the source. Then you can just: mkdir -p echo 'import logging bug("test")' > DEBUGGING=1 python /tmp/some/random/script.py File how todebug in python script questions How to use the Python debugger. The module pdb defines an interactive source code debugger for Python programs. Logging.basicConfig(level = logging.DEBUG) I close out the current IPython (debugging) console x Open a new one Menu bar-> Consoles-> Open an IPython Console Enter debug mode again blue play pause button. If youre only interested in debugging a Python script, the simplest way is to select the down-arrow next to the run button on the editor and select Debug. If that does not help, shut down Python completely and restart it from scratch. The docs for 2. You can, for example, run ls to list the contents of your current working directory. You can import it as a module or use it interactively. Furthermore, IPythons magic functions are available in debugging mode. I do this if I alter the script while in debugging mode. If that does not help, try shutting down the program file and reopening it. 1 You can use the Python debugger, pdb, for this. USER_SITE: '/home/jcomeau/.local/lib/python2.7/site-packages' (exists)ĮNABLE_USER_SITE: mkdir -p vi ~/.local/lib/python2.7/site-packages/usercustomize.py Here is how I debug in Spyder in order to avoid freezing the IDE. USER_BASE: '/home/jcomeau/.local' (exists) If you want to enable logging.DEBUG level for a script you don't want to (or cannot) edit, you can customize your startup: python -c "import site site._script()"
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