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# xarray development setup
## Setup
```bash
uv sync
```
## Run tests
```bash
uv run pytest xarray -n auto # All tests in parallel
uv run pytest xarray/tests/test_dataarray.py # Specific file
```
## Linting & type checking
```bash
pre-commit run --all-files # Includes ruff and other checks
uv run dmypy run # Type checking with mypy
```
## Code Style Guidelines
### Import Organization
- **Always place imports at the top of the file** in the standard import section
- Never add imports inside functions or nested scopes unless there's a specific
reason (e.g., circular import avoidance, optional dependencies in TYPE_CHECKING)
- Group imports following PEP 8 conventions:
1. Standard library imports
2. Related third-party imports
3. Local application/library specific imports
## GitHub Interaction Guidelines
- **NEVER impersonate the user on GitHub**, always sign off with something like
"[This is Claude Code on behalf of Jane Doe]"
- Never create issues nor pull requests on the xarray GitHub repository unless
explicitly instructed
- Never post "update" messages, progress reports, or explanatory comments on
GitHub issues/PRs unless specifically instructed
- When creating commits, always include a co-authorship trailer:
`Co-authored-by: Claude <noreply@anthropic.com>`
|
