#development
Title
h
happy-kitchen-89482
02/08/2023, 11:53 PMIt never ends... Now I'm getting
ImportError: /tmp/pants-sandbox-577g1M/src/python/pants/engine/internals/native_engine.so: undefined symbol: PyObject_VectorcallMethodFull stack trace:
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____________________________________________________________________________ ERROR collecting src/python/pants/option/options_bootstrapper_test.py ____________________________________________________________________________
ImportError while importing test module '/tmp/pants-sandbox-577g1M/src/python/pants/option/options_bootstrapper_test.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/data/home/benjy/.pyenv/versions/3.7.13/lib/python3.7/importlib/__init__.py:127: in import_module
return _bootstrap._gcd_import(name[level:], package, level)
src/python/pants/option/options_bootstrapper_test.py:11: in <module>
from pants.base.build_environment import get_buildroot
src/python/pants/base/build_environment.py:11: in <module>
from pants.engine.internals import native_engine
E ImportError: /tmp/pants-sandbox-577g1M/src/python/pants/engine/internals/native_engine.so: undefined symbol: PyObject_VectorcallMethodSo this is happening at test collection time, due to some file importing the native_engine
This works on other machines, including both macos and another linux machine
python3-devIronically the test doesn't actually care about that native_engine import, it just happens to be imported by build_environment.py for use by some other function
But nonetheless this is weird
I can reproduce outside of the test, in a repl:
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$ ./pants repl src/python/pants/base/build_environment.py
>>> from pants.base.build_environment import get_buildroot
Traceback (most recent call last):
File "<console>", line 1, in <module>
File "/tmp/pants-sandbox-VjVHcE/src/python/pants/base/build_environment.py", line 11, in <module>
from pants.engine.internals import native_engine
ImportError: /tmp/pants-sandbox-VjVHcE/src/python/pants/engine/internals/native_engine.so: undefined symbol: PyObject_VectorcallMethodOr even
./pants run src/python/pants/base/build_environment.pye
enough-analyst-54434
02/09/2023, 12:03 AMSo the 1st backtrace is running under 3.7.13 - expected?
IE is the engine.so for 3.7?
So the engine.so is definitely 3.9
So, that's the proximal issue.
h
happy-kitchen-89482
02/09/2023, 12:29 AMuuurgh
Fortunately this doesn't hit users, this is a pants-running-pants thing
I assume anyway
will dig for the root cause
objdump is helpful
e
enough-analyst-54434
02/09/2023, 12:39 AMYeah, should be a pants-running-pants thing.
h
happy-kitchen-89482
02/09/2023, 1:19 AMYep, Pants runs on 3.9 with a 3.9 engine, selects 3.7 at runtime, that code copies the outer pants' engine into the sandbox and boom
🤷♂️
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