Skip to content

Set plot_bgcolor to white by default when converting from matplotlib #5285

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: main
Choose a base branch
from
Open

Set plot_bgcolor to white by default when converting from matplotlib #5285

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
cc2aa83
Set plot_bgcolor to white by default when converting from matplotlib …
robertoffmoura Jul 18, 2025
2ac7771
Run ruff format
robertoffmoura Aug 12, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions plotly/matplotlylib/renderer.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,7 @@ def open_figure(self, fig, props):
autosize=False,
hovermode="closest",
)
self.plotly_fig["layout"].template.layout.plot_bgcolor = "white"
self.mpl_x_bounds, self.mpl_y_bounds = mpltools.get_axes_bounds(fig)
margin = go.layout.Margin(
l=int(self.mpl_x_bounds[0] * self.plotly_fig["layout"]["width"]),
Expand Down
10 changes: 10 additions & 0 deletions plotly/matplotlylib/tests/test_renderer.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -84,3 +84,13 @@ def test_multiple_traces_native_legend():
assert plotly_fig.data[0].mode == "lines"
assert plotly_fig.data[1].mode == "markers"
assert plotly_fig.data[2].mode == "lines+markers"



def test_plot_bgcolor_defaults_to_white():
plt.figure()
plt.plot([0, 1], [0, 1])

plotly_fig = tls.mpl_to_plotly(plt.gcf())

assert plotly_fig.layout.template.layout.plot_bgcolor == "white"