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fix #559 for matplotlib >= 3.6 #602

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fix #559 for matplotlib >= 3.6 #602

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16 changes: 7 additions & 9 deletions src/tikzplotlib/_axes.py
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Original file line number Diff line number Diff line change
@@ -1,15 +1,13 @@
import matplotlib as mpl
import numpy as np
from matplotlib.backends.backend_pgf import (
common_texification as mpl_common_texification,
)
from matplotlib.backends.backend_pgf import _tex_escape as mpl_tex_escape

from . import _color


def _common_texification(string):
def _tex_escape(string):
# Work around <https://github.com/matplotlib/matplotlib/issues/15493>
return mpl_common_texification(string).replace("&", "\\&")
return mpl_tex_escape(string).replace("&", "\\&")


class Axes:
Expand Down Expand Up @@ -42,13 +40,13 @@ def __init__(self, data, obj): # noqa: C901
title = obj.get_title()
data["current axis title"] = title
if title:
title = _common_texification(title)
title = _tex_escape(title)
self.axis_options.append(f"title={{{title}}}")

# get axes titles
xlabel = obj.get_xlabel()
if xlabel:
xlabel = _common_texification(xlabel)
xlabel = _tex_escape(xlabel)

labelcolor = obj.xaxis.label.get_c()

Expand All @@ -64,7 +62,7 @@ def __init__(self, data, obj): # noqa: C901

ylabel = obj.get_ylabel()
if ylabel:
ylabel = _common_texification(ylabel)
ylabel = _tex_escape(ylabel)

labelcolor = obj.yaxis.label.get_c()
if labelcolor != "black":
Expand Down Expand Up @@ -594,7 +592,7 @@ def _get_ticks(data, xy, ticks, ticklabels):
label = ticklabel.get_text()
if "," in label:
label = "{" + label + "}"
pgfplots_ticklabels.append(_common_texification(label))
pgfplots_ticklabels.append(_tex_escape(label))

# note: ticks may be present even if labels are not, keep them for grid lines
for tick in ticks:
Expand Down