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