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Commit 5ccae25

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terencehonlesterencehonles
committed
update units.ConversionInterface to have to_numeric and from_numeric
This change updates `matplotlib.units.ConversionInterface` to have a `to_numeric` instead of a `convert` method, and adds a `from_numeric` method. The method `convert` is renamed to `to_numeric` and similarly named methods are updated accordingly. The renaming is done to make `convert` less ambiguous with a forward and backward conversion on the `ConversionInterface`. Adding a `from_numeric` method standardizes the way to convert back to a native object from an internal numeric value. This allows registered converters to provide more specific conversions which will allow formatters and locators to provide an implementation which is not as tied to the internal values Matplotlib uses.
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30 files changed

+428
-285
lines changed

‎doc/api/artist_api.rst

Copy file name to clipboardExpand all lines: doc/api/artist_api.rst
+2Lines changed: 2 additions & 0 deletions
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@@ -144,7 +144,9 @@ Units
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:toctree: _as_gen
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:nosignatures:
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Artist.convert_x_to_numeric
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Artist.convert_xunits
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Artist.convert_y_to_numeric
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Artist.convert_yunits
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Artist.have_units
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‎doc/api/axes_api.rst

Copy file name to clipboardExpand all lines: doc/api/axes_api.rst
+2Lines changed: 2 additions & 0 deletions
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@@ -424,7 +424,9 @@ Units
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:template: autosummary.rst
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:nosignatures:
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Axes.convert_x_to_numeric
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Axes.convert_xunits
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Axes.convert_y_to_numeric
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Axes.convert_yunits
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Axes.have_units
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‎doc/api/axis_api.rst

Copy file name to clipboardExpand all lines: doc/api/axis_api.rst
+18Lines changed: 18 additions & 0 deletions
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@@ -159,6 +159,8 @@ Units
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:template: autosummary.rst
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:nosignatures:
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Axis.convert_from_numeric
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Axis.convert_to_numeric
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Axis.convert_units
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Axis.set_units
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Axis.get_units
@@ -330,6 +332,8 @@ XAxis
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XAxis.OFFSETTEXTPAD
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XAxis.axis_date
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XAxis.cla
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XAxis.convert_from_numeric
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XAxis.convert_to_numeric
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XAxis.convert_units
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XAxis.get_data_interval
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XAxis.get_gridlines
@@ -395,6 +399,8 @@ YAxis
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YAxis.OFFSETTEXTPAD
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YAxis.axis_date
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YAxis.cla
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YAxis.convert_from_numeric
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YAxis.convert_to_numeric
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YAxis.convert_units
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YAxis.get_data_interval
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YAxis.get_gridlines
@@ -464,7 +470,9 @@ Ticks
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Tick.add_callback
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Tick.axes
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Tick.contains
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Tick.convert_x_to_numeric
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Tick.convert_xunits
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Tick.convert_y_to_numeric
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Tick.convert_yunits
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Tick.draw
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Tick.findobj
@@ -529,7 +537,9 @@ Ticks
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XTick.add_callback
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XTick.axes
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XTick.contains
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XTick.convert_x_to_numeric
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XTick.convert_xunits
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XTick.convert_y_to_numeric
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XTick.convert_yunits
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XTick.draw
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XTick.findobj
@@ -594,7 +604,9 @@ Ticks
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YTick.add_callback
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YTick.axes
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YTick.contains
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YTick.convert_x_to_numeric
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YTick.convert_xunits
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YTick.convert_y_to_numeric
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YTick.convert_yunits
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YTick.draw
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YTick.findobj
@@ -669,7 +681,9 @@ Axis
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Axis.add_callback
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Axis.axes
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Axis.contains
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Axis.convert_x_to_numeric
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Axis.convert_xunits
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Axis.convert_y_to_numeric
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Axis.convert_yunits
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Axis.draw
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Axis.findobj
@@ -734,7 +748,9 @@ Axis
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XAxis.add_callback
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XAxis.axes
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XAxis.contains
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XAxis.convert_x_to_numeric
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XAxis.convert_xunits
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XAxis.convert_y_to_numeric
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XAxis.convert_yunits
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XAxis.draw
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XAxis.findobj
@@ -799,7 +815,9 @@ Axis
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YAxis.add_callback
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YAxis.axes
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YAxis.contains
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YAxis.convert_x_to_numeric
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YAxis.convert_xunits
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YAxis.convert_y_to_numeric
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YAxis.convert_yunits
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YAxis.draw
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YAxis.findobj

‎examples/units/basic_units.py

Copy file name to clipboardExpand all lines: examples/units/basic_units.py
+7-7Lines changed: 7 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -313,8 +313,8 @@ def rad_fn(x, pos=None):
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class BasicUnitConverter(units.ConversionInterface):
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@staticmethod
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def axisinfo(unit, axis):
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@classmethod
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def axisinfo(cls, unit, axis):
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"""Return AxisInfo instance for x and unit."""
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if unit == radians:
@@ -336,9 +336,9 @@ def axisinfo(unit, axis):
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return units.AxisInfo(label=unit.unit.fullname)
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return None
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339-
@staticmethod
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def convert(val, unit, axis):
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if units.ConversionInterface.is_numlike(val):
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@classmethod
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def to_numeric(cls, val, unit, axis):
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if cls.is_numlike(val):
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return val
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if np.iterable(val):
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if isinstance(val, np.ma.MaskedArray):
@@ -358,8 +358,8 @@ def convert(val, unit, axis):
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else:
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return val.convert_to(unit).get_value()
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@staticmethod
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def default_units(x, axis):
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@classmethod
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def default_units(cls, x, axis):
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"""Return the default unit for x or None."""
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if np.iterable(x):
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for thisx in x:

‎examples/units/evans_test.py

Copy file name to clipboardExpand all lines: examples/units/evans_test.py
+7-7Lines changed: 7 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -28,8 +28,8 @@ def value(self, unit):
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class FooConverter(units.ConversionInterface):
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@staticmethod
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def axisinfo(unit, axis):
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@classmethod
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def axisinfo(cls, unit, axis):
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"""Return the Foo AxisInfo."""
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if unit == 1.0 or unit == 2.0:
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return units.AxisInfo(
@@ -41,23 +41,23 @@ def axisinfo(unit, axis):
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else:
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return None
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44-
@staticmethod
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def convert(obj, unit, axis):
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@classmethod
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def to_numeric(cls, obj, unit, axis):
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"""
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Convert *obj* using *unit*.
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If *obj* is a sequence, return the converted sequence.
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"""
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if units.ConversionInterface.is_numlike(obj):
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if cls.is_numlike(obj):
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return obj
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if np.iterable(obj):
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return [o.value(unit) for o in obj]
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else:
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return obj.value(unit)
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59-
@staticmethod
60-
def default_units(x, axis):
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@classmethod
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def default_units(cls, x, axis):
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"""Return the default unit for *x* or None."""
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if np.iterable(x):
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for thisx in x:

‎lib/matplotlib/artist.py

Copy file name to clipboardExpand all lines: lib/matplotlib/artist.py
+12-4Lines changed: 12 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -164,7 +164,7 @@ def have_units(self):
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ax = self.axes
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return ax and any(axis.have_units() for axis in ax._get_axis_list())
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def convert_xunits(self, x):
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def convert_x_to_numeric(self, x):
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"""
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Convert *x* using the unit type of the xaxis.
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@@ -174,9 +174,13 @@ def convert_xunits(self, x):
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ax = getattr(self, 'axes', None)
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if ax is None or ax.xaxis is None:
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return x
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return ax.xaxis.convert_units(x)
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return ax.xaxis.convert_to_numeric(x)
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179-
def convert_yunits(self, y):
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@cbook.deprecated("3.2", alternative="convert_x_to_numeric")
180+
def convert_xunits(self, x):
181+
return self.convert_x_to_numeric(x)
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def convert_y_to_numeric(self, y):
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"""
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Convert *y* using the unit type of the yaxis.
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@@ -186,7 +190,11 @@ def convert_yunits(self, y):
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ax = getattr(self, 'axes', None)
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if ax is None or ax.yaxis is None:
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return y
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return ax.yaxis.convert_units(y)
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return ax.yaxis.convert_to_numeric(y)
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@cbook.deprecated("3.2", alternative="convert_y_to_numeric")
196+
def convert_yunits(self, y):
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return self.convert_y_to_numeric(y)
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@property
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def axes(self):

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