def mpl_test_settings(request):
from matplotlib.testing.decorators import _cleanup_cm
with _cleanup_cm():
backend = None
backend_marker = request.keywords.get('backend')
if backend_marker is not None:
assert len(backend_marker.args) == 1, \
"Marker 'backend' must specify 1 backend."
backend = backend_marker.args[0]
prev_backend = matplotlib.get_backend()
style = '_classic_test' # Default of cleanup and image_comparison too.
style_marker = request.keywords.get('style')
if style_marker is not None:
assert len(style_marker.args) == 1, \
"Marker 'style' must specify 1 style."
style = style_marker.args[0]
matplotlib.testing.setup()
if backend is not None:
# This import must come after setup() so it doesn't load the
# default backend prematurely.
import matplotlib.pyplot as plt
plt.switch_backend(backend)
with warnings.catch_warnings():
warnings.simplefilter("ignore", MatplotlibDeprecationWarning)
matplotlib.style.use(style)
try:
yield
finally:
if backend is not None:
plt.switch_backend(prev_backend)
def mpl_test_settings(request):
from matplotlib.testing.decorators import _cleanup_cm
with _cleanup_cm():
backend = None
backend_marker = request.node.get_closest_marker('backend')
if backend_marker is not None:
assert len(backend_marker.args) == 1, \
"Marker 'backend' must specify 1 backend."
backend, = backend_marker.args
prev_backend = matplotlib.get_backend()
style = '_classic_test' # Default of cleanup and image_comparison too.
style_marker = request.node.get_closest_marker('style')
if style_marker is not None:
assert len(style_marker.args) == 1, \
"Marker 'style' must specify 1 style."
style, = style_marker.args
matplotlib.testing.setup()
if backend is not None:
# This import must come after setup() so it doesn't load the
# default backend prematurely.
import matplotlib.pyplot as plt
plt.switch_backend(backend)
with warnings.catch_warnings():
warnings.simplefilter("ignore", MatplotlibDeprecationWarning)
matplotlib.style.use(style)
try:
yield
finally:
if backend is not None:
plt.switch_backend(prev_backend)
def mpl_test_settings(request):
from matplotlib.testing.decorators import _cleanup_cm
with _cleanup_cm():
backend = None
backend_marker = request.node.get_closest_marker('backend')
if backend_marker is not None:
assert len(backend_marker.args) == 1, \
"Marker 'backend' must specify 1 backend."
backend, = backend_marker.args
skip_on_importerror = backend_marker.kwargs.get(
'skip_on_importerror', False)
prev_backend = matplotlib.get_backend()
# special case Qt backend importing to avoid conflicts
if backend.lower().startswith('qt5'):
if any(sys.modules.get(k) for k in ('PyQt4', 'PySide')):
pytest.skip('Qt4 binding already imported')
try:
import PyQt5
# RuntimeError if PyQt4 already imported.
except (ImportError, RuntimeError):
try:
import PySide2
except ImportError:
pytest.skip("Failed to import a Qt5 binding.")
# Default of cleanup and image_comparison too.
style = ["classic", "_classic_test_patch"]
style_marker = request.node.get_closest_marker('style')
if style_marker is not None:
assert len(style_marker.args) == 1, \
"Marker 'style' must specify 1 style."
style, = style_marker.args
matplotlib.testing.setup()
with _api.suppress_matplotlib_deprecation_warning():
if backend is not None:
# This import must come after setup() so it doesn't load the
# default backend prematurely.
import matplotlib.pyplot as plt
try:
plt.switch_backend(backend)
except ImportError as exc:
# Should only occur for the cairo backend tests, if neither
# pycairo nor cairocffi are installed.
if 'cairo' in backend.lower() or skip_on_importerror:
pytest.skip("Failed to switch to backend {} ({})."
.format(backend, exc))
else:
raise
matplotlib.style.use(style)
try:
yield
finally:
if backend is not None:
plt.switch_backend(prev_backend)
def mpl_test_settings(request):
from matplotlib.testing.decorators import _cleanup_cm
with _cleanup_cm():
backend = None
backend_marker = request.node.get_closest_marker('backend')
if backend_marker is not None:
assert len(backend_marker.args) == 1, \
"Marker 'backend' must specify 1 backend."
backend, = backend_marker.args
skip_on_importerror = backend_marker.kwargs.get(
'skip_on_importerror', False)
prev_backend = matplotlib.get_backend()
# Default of cleanup and image_comparison too.
style = ["classic", "_classic_test_patch"]
style_marker = request.node.get_closest_marker('style')
if style_marker is not None:
assert len(style_marker.args) == 1, \
"Marker 'style' must specify 1 style."
style, = style_marker.args
matplotlib.testing.setup()
if backend is not None:
# This import must come after setup() so it doesn't load the
# default backend prematurely.
import matplotlib.pyplot as plt
try:
plt.switch_backend(backend)
except ImportError as exc:
# Should only occur for the cairo backend tests, if neither
# pycairo nor cairocffi are installed.
if 'cairo' in backend.lower() or skip_on_importerror:
pytest.skip("Failed to switch to backend {} ({})."
.format(backend, exc))
else:
raise
with cbook._suppress_matplotlib_deprecation_warning():
matplotlib.style.use(style)
try:
yield
finally:
if backend is not None:
plt.switch_backend(prev_backend)
def mpl_test_settings(request):
from matplotlib.testing.decorators import _cleanup_cm
with _cleanup_cm():
backend = None
backend_marker = request.node.get_closest_marker('backend')
if backend_marker is not None:
assert len(backend_marker.args) == 1, \
"Marker 'backend' must specify 1 backend."
backend, = backend_marker.args
prev_backend = matplotlib.get_backend()
style = '_classic_test' # Default of cleanup and image_comparison too.
style_marker = request.node.get_closest_marker('style')
if style_marker is not None:
assert len(style_marker.args) == 1, \
"Marker 'style' must specify 1 style."
style, = style_marker.args
matplotlib.testing.setup()
if backend is not None:
# This import must come after setup() so it doesn't load the
# default backend prematurely.
import matplotlib.pyplot as plt
try:
plt.switch_backend(backend)
except ImportError as exc:
# Should only occur for the cairo backend tests, if neither
# pycairo nor cairocffi are installed.
if 'cairo' in backend.lower():
pytest.skip("Failed to switch to backend {} ({})."
.format(backend, exc))
else:
raise
with warnings.catch_warnings():
warnings.simplefilter("ignore", MatplotlibDeprecationWarning)
matplotlib.style.use(style)
try:
yield
finally:
if backend is not None:
plt.switch_backend(prev_backend)
def mpl_test_settings(request):
from matplotlib.testing.decorators import _cleanup_cm
with _cleanup_cm():
backend = None
backend_marker = request.keywords.get('backend')
if backend_marker is not None:
assert len(backend_marker.args) == 1, \
"Marker 'backend' must specify 1 backend."
backend = backend_marker.args[0]
prev_backend = matplotlib.get_backend()
style = '_classic_test' # Default of cleanup and image_comparison too.
style_marker = request.keywords.get('style')
if style_marker is not None:
assert len(style_marker.args) == 1, \
"Marker 'style' must specify 1 style."
style = style_marker.args[0]
matplotlib.testing.setup()
if backend is not None:
# This import must come after setup() so it doesn't load the
# default backend prematurely.
import matplotlib.pyplot as plt
try:
plt.switch_backend(backend)
except ImportError as exc:
# Should only occur for the cairo backend tests, if neither
# pycairo nor cairocffi are installed.
if 'cairo' in backend.lower():
pytest.skip("Failed to switch to backend {} ({}).".format(
backend, exc))
else:
raise
with warnings.catch_warnings():
warnings.simplefilter("ignore", MatplotlibDeprecationWarning)
matplotlib.style.use(style)
try:
yield
finally:
if backend is not None:
plt.switch_backend(prev_backend)
