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FieldTracker infinite recursion on deleting object

See original GitHub issue

Problem

Call obj.delete() results in:

Fatal Python error: _Py_CheckRecursiveCall: Cannot recover from stack overflow.
Python runtime state: initialized

Current thread 0x00007f955a596280 (most recent call first):
  File "/home/brian/.asdf/installs/python/3.9.7/lib/python3.9/abc.py", line 119 in __instancecheck__
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1443 in build_filter
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1562 in _add_q
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1532 in add_q
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/django/db/models/query.py", line 1445 in _filter_or_exclude_inplace
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/django/db/models/query.py", line 1438 in _filter_or_exclude
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/django/db/models/query.py", line 1420 in filter
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/django/db/models/manager.py", line 85 in manager_method
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/django/db/models/base.py", line 724 in refresh_from_db
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 375 in inner
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/django/db/models/query_utils.py", line 178 in __get__
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 75 in __get__
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 208 in get_field_value
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 234 in <dictcomp>
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 234 in current
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 216 in set_saved_fields
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 184 in __exit__
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 375 in inner
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/django/db/models/query_utils.py", line 178 in __get__
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 75 in __get__
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 208 in get_field_value
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 234 in <dictcomp>
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 234 in current
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 216 in set_saved_fields
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 184 in __exit__
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/model_utils/tracker.py", line 375 in inner
  [...]

Environment

Django Model Utils version: 4.2.0
Django version: 4.1.1
Python version: 3.9.7

Issue Analytics

State:
Created a year ago
Reactions:1
Comments:8

Top GitHub Comments

1reaction

brianmaycommented, Sep 19, 2022

Trying this library instead: https://pypi.org/project/django-tracking-model/

0reactions

brianmaycommented, Oct 3, 2022

Actually never mind, slapd not required, this is simpler:

Will leave the previous version with slapd just in case it helps.

$ poetry install
[...]
$ poetry run pytest -x karaage/tests/institutes/test_models.py -k test_change_group -s
===================================================================== test session starts =====================================================================
platform linux -- Python 3.9.7, pytest-7.1.3, pluggy-1.0.0
django: settings: karaage.tests.settings (from ini)
rootdir: /home/brian/tree/unimelb/karaage/karaage, configfile: pytest.ini
plugins: django-4.5.2, cov-3.0.0, Faker-14.2.0
collected 4 items / 3 deselected / 1 selected

karaage/tests/institutes/test_models.py Fatal Python error: _Py_CheckRecursiveCall: Cannot recover from stack overflow.
Python runtime state: initialized

Current thread 0x00007f9ec497c280 (most recent call first):
  File "/home/brian/.asdf/installs/python/3.9.7/lib/python3.9/abc.py", line 119 in __instancecheck__
  File "/home/brian/.cache/pypoetry/virtualenvs/karaage-uhi1oUwy-py3.9/lib/python3.9/site-packages/django/db/models/sql/query.py", line 1443 in build_filter
[...]

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