I’ve written a PEP proposing the addition of a new built-in function called debug(). Adding this to your code would invoke a debugger through the hook function sys.debughook().
Like the existing sys.displayhook() and sys.excepthook(), you can change
sys.debughook() to point to the debugger of your choice. By default it invokes
pdb.set_trace().
With this PEP instead of:
foo()
import pdb; pdb.set_trace()
bar()
you can write:
foo()
debug()
bar()
and you would drop into the debugger after foo() but before bar(). More
rationale and details are provided in the PEP:
https://www.python.org/dev/peps/pep-0553/
Unlike David, but like Larry, I have a prototype implementation:
https://github.com/python/cpython/pull/3355
Cheers,
-Barry
P.S. This came to me in a nightmare on Sunday night, and the more I explored
the idea the more it frightened me. I know exactly what I was dreaming about
and the only way to make it all go away was to write this thing up.
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