From 0524e4caeed0dfc5c7889043b4e5d29c3624f844 Mon Sep 17 00:00:00 2001 From: Elliott Sales de Andrade Date: Sat, 24 Sep 2022 04:55:18 -0400 Subject: [PATCH] Backport PR #23964: Fix issue with empty line in ps backend --- lib/matplotlib/backends/backend_ps.py | 5 +++-- lib/matplotlib/tests/test_backend_ps.py | 9 +++++++++ 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/lib/matplotlib/backends/backend_ps.py b/lib/matplotlib/backends/backend_ps.py index f209e811f18b..67829c216f9a 100644 --- a/lib/matplotlib/backends/backend_ps.py +++ b/lib/matplotlib/backends/backend_ps.py @@ -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()) diff --git a/lib/matplotlib/tests/test_backend_ps.py b/lib/matplotlib/tests/test_backend_ps.py index a3a5a52e7977..a151dc4c4c90 100644 --- a/lib/matplotlib/tests/test_backend_ps.py +++ b/lib/matplotlib/tests/test_backend_ps.py @@ -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() pFad - Phonifier reborn

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