Thanks to visit codestin.com
Credit goes to github.com

Skip to content

Backport PR #16189 on branch v3.2.x (MNT: set default canvas when un-pickling) #16207

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

Merged
merged 1 commit into from
Jan 13, 2020
Merged

Backport PR #16189 on branch v3.2.x (MNT: set default canvas when un-pickling) #16207

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
2 changes: 1 addition & 1 deletion lib/matplotlib/figure.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2026,7 +2026,7 @@ def __setstate__(self, state):

# re-initialise some of the unstored state information
self._axobservers = []
self.canvas = None
FigureCanvasBase(self) # Set self.canvas.
self._layoutbox = None

if restore_to_pylab:
Expand Down
11 changes: 11 additions & 0 deletions lib/matplotlib/tests/test_pickle.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
from matplotlib.dates import rrulewrapper
import matplotlib.pyplot as plt
import matplotlib.transforms as mtransforms
import matplotlib.figure as mfigure


def test_simple():
Expand Down Expand Up @@ -194,3 +195,13 @@ def test_shared():
@pytest.mark.parametrize("cmap", cm.cmap_d.values())
def test_cmap(cmap):
pickle.dumps(cmap)


def test_unpickle_canvas():
fig = mfigure.Figure()
assert fig.canvas is not None
out = BytesIO()
pickle.dump(fig, out)
out.seek(0)
fig2 = pickle.load(out)
assert fig2.canvas is not None