Fix crash with --cache-fine-grained --cache-dir=/dev/null
#18457
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Fixes python#18454 Couldn't easily repro in test suite
hauntsaninja
changed the title
--cache-dir=/dev/null--cache-fine-grained --cache-dir=/dev/null
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Diff from mypy_primer, showing the effect of this PR on open source code: schemathesis (https://github.com/schemathesis/schemathesis)
- Traceback (most recent call last):
- File "/tmp/mypy_primer/old_mypy/venv/bin/mypy", line 8, in <module>
- sys.exit(console_entry())
- ^^^^^^^^^^^^^^^
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.12/site-packages/mypy/__main__.py", line 15, in console_entry
- main()
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.12/site-packages/mypy/main.py", line 119, in main
- res, messages, blockers = run_build(sources, options, fscache, t0, stdout, stderr)
- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.12/site-packages/mypy/main.py", line 203, in run_build
- res = build.build(sources, options, None, flush_errors, fscache, stdout, stderr)
- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.12/site-packages/mypy/build.py", line 191, in build
- result = _build(
- ^^^^^^^
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.12/site-packages/mypy/build.py", line 267, in _build
- graph = dispatch(sources, manager, stdout)
- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.12/site-packages/mypy/build.py", line 2947, in dispatch
- write_deps_cache(rdeps, manager, graph)
- File "/tmp/mypy_primer/old_mypy/venv/lib/python3.12/site-packages/mypy/build.py", line 976, in write_deps_cache
- assert st.meta, "Module must be either parsed or cached"
- ^^^^^^^
- AssertionError: Module must be either parsed or cached
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But can repro in primer! :-) |
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Fixes #18454
Couldn't easily repro in test suite