% uv pip install --verbose --no-build-isolation --editable ".[dev]"
DEBUG uv 0.6.5 (Homebrew 2025-03-06)
DEBUG Searching for default Python interpreter in virtual environments
DEBUG Found `cpython-3.12.8-macos-aarch64-none` at `/Users/dstansby/software/matplotlib/.venv/bin/python3` (active virtual environment)
DEBUG Using Python 3.12.8 environment at: .venv
DEBUG Acquired lock for `.venv`
DEBUG At least one requirement is not satisfied: file:///Users/dstansby/software/matplotlib
DEBUG Using request timeout of 30s
DEBUG Found PEP 621 metadata for /Users/dstansby/software/matplotlib in `pyproject.toml` (matplotlib)
DEBUG No static `pyproject.toml` available for: matplotlib @ file:///Users/dstansby/software/matplotlib (DynamicField("version"))
DEBUG Acquired lock for `/Users/dstansby/.cache/uv/sdists-v8/editable/a93b495625504936`
DEBUG Preparing metadata for: matplotlib @ file:///Users/dstansby/software/matplotlib
DEBUG No workspace root found, using project root
DEBUG Proceeding without build isolation
DEBUG Calling `mesonpy.prepare_metadata_for_build_editable()`
   Building matplotlib @ file:///Users/dstansby/software/matplotlib
DEBUG Building: matplotlib @ file:///Users/dstansby/software/matplotlib
DEBUG No workspace root found, using project root
DEBUG Proceeding without build isolation
DEBUG Calling `mesonpy.build_editable("/Users/dstansby/.cache/uv/builds-v0/.tmp3JxhbI", {}, None)`
DEBUG 
DEBUG meson-python: error: Could not find ninja version 1.8.2 or newer.
DEBUG Released lock at `/Users/dstansby/.cache/uv/sdists-v8/editable/a93b495625504936/.lock`
  × Failed to build `matplotlib @ file:///Users/dstansby/software/matplotlib`
  ├─▶ The build backend returned an error
  ╰─▶ Call to `mesonpy.build_editable` failed (exit status: 1)

      [stdout]

      meson-python: error: Could not find ninja version 1.8.2 or newer.

      hint: This usually indicates a problem with the package or the build
      environment.
DEBUG Released lock at `/Users/dstansby/software/matplotlib/.venv/.lock`