For namespace packages, e.g., when a package contains a data directory without any Python files, IsADirectoryError is raised when using the --linecoverage-report option. This happens when using the --package option, but not when passing the directory path.
version: 1.13.0
Traceback (most recent call last):
File "/Users/home/mambaforge/envs/test-mypy/bin/mypy", line 8, in <module>
sys.exit(console_entry())
~~~~~~~~~~~~~^^
File "/Users/home/mambaforge/envs/test-mypy/lib/python3.13/site-packages/mypy/__main__.py", line 15, in console_entry
main()
~~~~^^
File "mypy/main.py", line 102, in main
File "mypy/main.py", line 186, in run_build
File "mypy/build.py", line 194, in build
File "mypy/build.py", line 269, in _build
File "mypy/build.py", line 2935, in dispatch
File "mypy/build.py", line 3333, in process_graph
File "mypy/build.py", line 3438, in process_stale_scc
File "mypy/build.py", line 2397, in finish_passes
File "mypy/build.py", line 873, in report_file
File "mypy/report.py", line 91, in file
File "mypy/report.py", line 426, in on_file
IsADirectoryError: [Errno 21] Is a directory: '/Users/home/mambaforge/envs/test-mypy/lib/python3.13/site-packages/test_package/data'
.
├── src/
│ └── test_package/
│ ├── data/
│ │ └── test.txt
│ ├── __init__.py
│ └── py.typed
└── pyproject.toml
Crash Report
This is similar to #15979:
For namespace packages, e.g., when a package contains a data directory without any Python files,
IsADirectoryErroris raised when using the--linecoverage-reportoption. This happens when using the--packageoption, but not when passing the directory path.Traceback
To Reproduce
with
pyproject.toml:pip install .mypy --package test_package --linecoverage-report . --raise-exceptionsYour Environment
--package,--linecoverage-report,--raise-exceptions