Use ipdb instead of pdb with py.test --pdb option

Question

I want to use ipdb instead of pdb with py.test --pdb option. Is this possible? If so, how?

Clearly, I can use import ipdb; ipdb.set_trace() in the code but that requires to run the test, watch it fail, open a file, find the point of failure in said file, write the above line, re-run the tests. Lots of hassle if I could have something that by passes all of that.

uhbif19 · Answer 1 · 2021-11-22T16:37:02.070

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Use this option to set custom debugger:

--pdbcls=IPython.terminal.debugger:Pdb

It can also be included in pytest.ini using addopts:

[pytest]
addopts = "--pdbcls=IPython.terminal.debugger:Pdb"

edited Nov 22 '21 at 16:37

answered Jul 04 '18 at 12:52

uhbif19

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in a file pytest.ini: [pytest] addopts = --pdbcls=IPython.terminal.debugger:Pdb – deterralba Sep 07 '18 at 08:52
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So glad to find this! Note you also need the `--pdb` flag – Anentropic Mar 25 '19 at 11:21
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If you have a more recent setup, you may need: `[tool.pytest.ini_options] addopts = "--pdbcls=IPython.terminal.debugger:Pdb"` – iloveitaly Nov 20 '21 at 16:31

score 8 · Accepted Answer · answered Aug 26 '16 at 18:46

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Have you tried pytest-ipdb?

Looks like it's exactly what you are looking for?

answered Aug 26 '16 at 18:46

Andrew Svetlov

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It was discontinued in favour of [pdb++](https://pypi.python.org/pypi/pdbpp/) which is good. I ended up using using pdb++. – Sardathrion - against SE abuse May 05 '17 at 11:56

Use ipdb instead of pdb with py.test --pdb option

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