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Backport PR #23964 on branch v3.6.x (Fix issue with empty line in ps backend) #23994

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Merged
merged 1 commit into from
Sep 28, 2022
Merged

Backport PR #23964 on branch v3.6.x (Fix issue with empty line in ps backend) #23994

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5 changes: 3 additions & 2 deletions lib/matplotlib/backends/backend_ps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -665,8 +665,9 @@ def draw_text(self, gc, x, y, s, prop, angle, ismath=False, mtext=None):
curr_stream[1].append(
(item.x, item.ft_object.get_glyph_name(item.glyph_idx))
)
# append the last entry
stream.append(curr_stream)
# append the last entry if exists
if curr_stream:
stream.append(curr_stream)

self.set_color(*gc.get_rgb())

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9 changes: 9 additions & 0 deletions lib/matplotlib/tests/test_backend_ps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -254,6 +254,15 @@ def test_linedash():
assert buf.tell() > 0


def test_empty_line():
# Smoke-test for gh#23954
figure = Figure()
figure.text(0.5, 0.5, "\nfoo\n\n")
buf = io.BytesIO()
figure.savefig(buf, format='eps')
figure.savefig(buf, format='ps')


def test_no_duplicate_definition():

fig = Figure()
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