| """ |
| pytest markers for the internal Matplotlib test suite. |
| """ |
|
|
| import logging |
| import shutil |
|
|
| import pytest |
|
|
| import matplotlib.testing |
| import matplotlib.testing.compare |
| from matplotlib import _get_executable_info, ExecutableNotFoundError |
|
|
|
|
| _log = logging.getLogger(__name__) |
|
|
|
|
| def _checkdep_usetex() -> bool: |
| if not shutil.which("tex"): |
| _log.warning("usetex mode requires TeX.") |
| return False |
| try: |
| _get_executable_info("dvipng") |
| except ExecutableNotFoundError: |
| _log.warning("usetex mode requires dvipng.") |
| return False |
| try: |
| _get_executable_info("gs") |
| except ExecutableNotFoundError: |
| _log.warning("usetex mode requires ghostscript.") |
| return False |
| return True |
|
|
|
|
| needs_ghostscript = pytest.mark.skipif( |
| "eps" not in matplotlib.testing.compare.converter, |
| reason="This test needs a ghostscript installation") |
| needs_pgf_lualatex = pytest.mark.skipif( |
| not matplotlib.testing._check_for_pgf('lualatex'), |
| reason='lualatex + pgf is required') |
| needs_pgf_pdflatex = pytest.mark.skipif( |
| not matplotlib.testing._check_for_pgf('pdflatex'), |
| reason='pdflatex + pgf is required') |
| needs_pgf_xelatex = pytest.mark.skipif( |
| not matplotlib.testing._check_for_pgf('xelatex'), |
| reason='xelatex + pgf is required') |
| needs_usetex = pytest.mark.skipif( |
| not _checkdep_usetex(), |
| reason="This test needs a TeX installation") |
|
|
