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gh640/use_different_debugger_with_python3.sh

Last active November 4, 2022 08:09
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Running IPython or bpython with `breakpoint()` on Python 3
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use_different_debugger_with_python3.sh
#!/usr/local/bin/bash
# Use IPython.
PYTHONBREAKPOINT=IPython.terminal.debugger.set_trace python myscript.py
# Use bpython.
PYTHONBREAKPOINT=bpdb.set_trace python myscrippt.py
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gh640 commented Jun 20, 2021

IPython

IPython.terminal.debugger.set_trace():

https://github.com/ipython/ipython/blob/master/IPython/terminal/debugger.py

bpython

bpdb.set_trace():

https://github.com/bpython/bpython/blob/main/bpdb/__init__.py

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gh640 commented Jun 20, 2021 •
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The related PEP is PEP 533.

https://www.python.org/dev/peps/pep-0553/#id11

PYTHONBREAKPOINT=some.importable.callable. In this case, sys.breakpointhook() imports the some.importable module and gets the callable object from the resulting module, which it then calls. The value may be a string with no dots, in which case it names a built-in callable, e.g. PYTHONBREAKPOINT=int. (Guido has expressed the preference for normal Python dotted-paths, not setuptools-style entry point syntax.)

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