diff --git a/doc/api/next_api_changes/deprecations/25196-EP.rst b/doc/api/next_api_changes/deprecations/25196-EP.rst
new file mode 100644
index 000000000000..99f55401976d
--- /dev/null
+++ b/doc/api/next_api_changes/deprecations/25196-EP.rst
@@ -0,0 +1,4 @@
+``Line2D``
+~~~~~~~~~~
+When creating a Line2D or using `.Line2D.set_xdata` and `.Line2D.set_ydata`,
+passing x/y data as non sequence is deprecated.
diff --git a/lib/matplotlib/lines.py b/lib/matplotlib/lines.py
index ef92b975b21d..53bffcc30a39 100644
--- a/lib/matplotlib/lines.py
+++ b/lib/matplotlib/lines.py
@@ -1274,7 +1274,14 @@ def set_xdata(self, x):
x : 1D array
"""
if not np.iterable(x):
- raise RuntimeError('x must be a sequence')
+ # When deprecation cycle is completed
+ # raise RuntimeError('x must be a sequence')
+ _api.warn_deprecated(
+ since=3.7,
+ message="Setting data with a non sequence type "
+ "is deprecated since %(since)s and will be "
+ "remove %(removal)s")
+ x = [x, ]
self._xorig = copy.copy(x)
self._invalidx = True
self.stale = True
@@ -1288,7 +1295,14 @@ def set_ydata(self, y):
y : 1D array
"""
if not np.iterable(y):
- raise RuntimeError('y must be a sequence')
+ # When deprecation cycle is completed
+ # raise RuntimeError('y must be a sequence')
+ _api.warn_deprecated(
+ since=3.7,
+ message="Setting data with a non sequence type "
+ "is deprecated since %(since)s and will be "
+ "remove %(removal)s")
+ y = [y, ]
self._yorig = copy.copy(y)
self._invalidy = True
self.stale = True
diff --git a/lib/matplotlib/tests/test_lines.py b/lib/matplotlib/tests/test_lines.py
index 1f25b84d8081..7eecf5675a4b 100644
--- a/lib/matplotlib/tests/test_lines.py
+++ b/lib/matplotlib/tests/test_lines.py
@@ -20,6 +20,7 @@
import matplotlib.pyplot as plt
import matplotlib.transforms as mtransforms
from matplotlib.testing.decorators import image_comparison, check_figures_equal
+from matplotlib._api.deprecation import MatplotlibDeprecationWarning
def test_segment_hits():
@@ -91,9 +92,12 @@ def test_invalid_line_data():
mlines.Line2D([], 1)
line = mlines.Line2D([], [])
- with pytest.raises(RuntimeError, match='x must be'):
+ # when deprecation cycle is completed
+ # with pytest.raises(RuntimeError, match='x must be'):
+ with pytest.warns(MatplotlibDeprecationWarning):
line.set_xdata(0)
- with pytest.raises(RuntimeError, match='y must be'):
+ # with pytest.raises(RuntimeError, match='y must be'):
+ with pytest.warns(MatplotlibDeprecationWarning):
line.set_ydata(0)
pFad - Phonifier reborn
Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.
Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.
Alternative Proxies:
Alternative Proxy
pFad Proxy
pFad v3 Proxy
pFad v4 Proxy