8000 Deprecate Tick.apply_tickdir. · matplotlib/matplotlib@b20e36c · GitHub
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Deprecate Tick.apply_tickdir.
apply_tickdir doesn't actually update the tick markers on the existing Line2D objects used to draw the ticks (as can be checked with e.g. `plt.gca().xaxis.majorTicks[2].apply_tickdir("inout")`), so it's really mostly an internal helper that cannot be meaningfully called from outside (it needs to cooperate with `_apply_params` to actually work).
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-12
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‎doc/api/axis_api.rst

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@@ -266,8 +266,6 @@ specify a matching series of labels. Calling ``set_ticks`` makes a
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:template: autosummary.rst
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:nosignatures:
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Tick.apply_tickdir
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Tick.get_loc
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Tick.get_pad
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Tick.get_pad_pixels

‎doc/api/next_api_changes/deprecations/19655-AL.rst

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@@ -0,0 +1,5 @@
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``Tick.apply_tickdir`` is deprecated
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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``apply_tickdir`` didn't actually update the tick markers on the existing
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Line2D objects used to draw the ticks; use `.Axis.set_tick_params` instead.

‎lib/matplotlib/axis.py

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@@ -148,7 +148,7 @@ def __init__(self, axes, loc, label=None,
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grid_alpha = mpl.rcParams["grid.alpha"]
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grid_kw = {k[5:]: v for k, v in kw.items()}
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self.apply_tickdir(tickdir)
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self._apply_tickdir(tickdir)
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self.tick1line = mlines.Line2D(
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[], [],
@@ -209,15 +209,18 @@ def _set_labelrotation(self, labelrotation):
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_api.check_in_list(['auto', 'default'], labelrotation=mode)
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self._labelrotation = (mode, angle)
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def apply_tickdir(self, tickdir):
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def _apply_tickdir(self, tickdir):
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"""Set tick direction. Valid values are 'out', 'in', 'inout'."""
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# Overriding subclasses should also compute _tickmarkers here.
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if tickdir is None:
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tickdir = mpl.rcParams[f'{self.__name__}.direction']
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_api.check_in_list(['in', 'out', 'inout'], tickdir=tickdir)
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self._tickdir = tickdir
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self._pad = self._base_pad + self.get_tick_padding()
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self.stale = True
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# Subclass overrides should compute _tickmarkers as appropriate here.
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apply_tickdir = _api.deprecate_privatize_attribute(
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"3.5", alternative="axis.set_tick_params")
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def get_tickdir(self):
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return self._tickdir
@@ -363,15 +366,15 @@ def _apply_params(self, **kw):
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# convenient to leave it here.
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self._width = kw.pop('width', self._width)
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self._base_pad = kw.pop('pad', self._base_pad)
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# apply_tickdir uses _size and _base_pad to make _pad,
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# _apply_tickdir uses _size and _base_pad to make _pad,
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# and also makes _tickmarkers.
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self.apply_tickdir(kw.pop('tickdir', self._tickdir))
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self._apply_tickdir(kw.pop('tickdir', self._tickdir))
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self.tick1line.set_marker(self._tickmarkers[0])
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self.tick2line.set_marker(self._tickmarkers[1])
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for line in (self.tick1line, self.tick2line):
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line.set_markersize(self._size)
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line.set_markeredgewidth(self._width)
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# _get_text1_transform uses _pad from apply_tickdir.
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# _get_text1_transform uses _pad from _apply_tickdir.
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trans = self._get_text1_transform()[0]
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self.label1.set_transform(trans)
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trans = self._get_text2_transform()[0]
@@ -451,9 +454,9 @@ def _get_text1_transform(self):
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def _get_text2_transform(self):
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return self.axes.get_xaxis_text2_transform(self._pad)
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def apply_tickdir(self, tickdir):
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def _apply_tickdir(self, tickdir):
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# docstring inherited
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super().apply_tickdir(tickdir)
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super()._apply_tickdir(tickdir)
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self._tickmarkers = {
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'out': (mlines.TICKDOWN, mlines.TICKUP),
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'in': (mlines.TICKUP, mlines.TICKDOWN),
@@ -518,9 +521,9 @@ def _get_text1_transform(self):
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def _get_text2_transform(self):
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return self.axes.get_yaxis_text2_transform(self._pad)
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def apply_tickdir(self, tickdir):
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def _apply_tickdir(self, tickdir):
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# docstring inherited
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super().apply_tickdir(tickdir)
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super()._apply_tickdir(tickdir)
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self._tickmarkers = {
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'out': (mlines.TICKLEFT, mlines.TICKRIGHT),
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'in': (mlines.TICKRIGHT, mlines.TICKLEFT),

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