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Commit17c0e26

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update units.ConversionInterface to haveto_numeric andfrom_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 similarlynamed 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 anative object from an internal numeric value. This allows registeredconverters to provide more specific conversions which will allowformatters and locators to provide an implementation which is not astied to the internal values Matplotlib uses.
1 parent1c93e76 commit17c0e26

30 files changed

+443
-293
lines changed

‎doc/api/artist_api.rst

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -144,7 +144,9 @@ Units
144144
:toctree: _as_gen
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:nosignatures:
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147+
Artist.convert_x_to_numeric
147148
Artist.convert_xunits
149+
Artist.convert_y_to_numeric
148150
Artist.convert_yunits
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Artist.have_units
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‎doc/api/axes_api.rst

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Original file line numberDiff line numberDiff line change
@@ -424,7 +424,9 @@ Units
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:template: autosummary.rst
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:nosignatures:
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427+
Axes.convert_x_to_numeric
427428
Axes.convert_xunits
429+
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

Lines changed: 18 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -159,6 +159,8 @@ Units
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:template: autosummary.rst
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:nosignatures:
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162+
Axis.convert_from_numeric
163+
Axis.convert_to_numeric
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Axis.convert_units
163165
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
335+
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

Lines 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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314314

315315
classBasicUnitConverter(units.ConversionInterface):
316-
@staticmethod
317-
defaxisinfo(unit,axis):
316+
@classmethod
317+
defaxisinfo(cls,unit,axis):
318318
"""Return AxisInfo instance for x and unit."""
319319

320320
ifunit==radians:
@@ -336,9 +336,9 @@ def axisinfo(unit, axis):
336336
returnunits.AxisInfo(label=unit.unit.fullname)
337337
returnNone
338338

339-
@staticmethod
340-
defconvert(val,unit,axis):
341-
ifunits.ConversionInterface.is_numlike(val):
339+
@classmethod
340+
defto_numeric(cls,val,unit,axis):
341+
ifcls.is_numlike(val):
342342
returnval
343343
ifnp.iterable(val):
344344
ifisinstance(val,np.ma.MaskedArray):
@@ -358,8 +358,8 @@ def convert(val, unit, axis):
358358
else:
359359
returnval.convert_to(unit).get_value()
360360

361-
@staticmethod
362-
defdefault_units(x,axis):
361+
@classmethod
362+
defdefault_units(cls,x,axis):
363363
"""Return the default unit for x or None."""
364364
ifnp.iterable(x):
365365
forthisxinx:

‎examples/units/evans_test.py

Lines 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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classFooConverter(units.ConversionInterface):
31-
@staticmethod
32-
defaxisinfo(unit,axis):
31+
@classmethod
32+
defaxisinfo(cls,unit,axis):
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"""Return the Foo AxisInfo."""
3434
ifunit==1.0orunit==2.0:
3535
returnunits.AxisInfo(
@@ -41,23 +41,23 @@ def axisinfo(unit, axis):
4141
else:
4242
returnNone
4343

44-
@staticmethod
45-
defconvert(obj,unit,axis):
44+
@classmethod
45+
defto_numeric(cls,obj,unit,axis):
4646
"""
4747
Convert *obj* using *unit*.
4848
4949
If *obj* is a sequence, return the converted sequence.
5050
"""
51-
ifunits.ConversionInterface.is_numlike(obj):
51+
ifcls.is_numlike(obj):
5252
returnobj
5353

5454
ifnp.iterable(obj):
5555
return [o.value(unit)foroinobj]
5656
else:
5757
returnobj.value(unit)
5858

59-
@staticmethod
60-
defdefault_units(x,axis):
59+
@classmethod
60+
defdefault_units(cls,x,axis):
6161
"""Return the default unit for *x* or None."""
6262
ifnp.iterable(x):
6363
forthisxinx:

‎lib/matplotlib/artist.py

Lines changed: 12 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -164,7 +164,7 @@ def have_units(self):
164164
ax=self.axes
165165
returnaxandany(axis.have_units()foraxisinax._get_axis_list())
166166

167-
defconvert_xunits(self,x):
167+
defconvert_x_to_numeric(self,x):
168168
"""
169169
Convert *x* using the unit type of the xaxis.
170170
@@ -174,9 +174,13 @@ def convert_xunits(self, x):
174174
ax=getattr(self,'axes',None)
175175
ifaxisNoneorax.xaxisisNone:
176176
returnx
177-
returnax.xaxis.convert_units(x)
177+
returnax.xaxis.convert_to_numeric(x)
178178

179-
defconvert_yunits(self,y):
179+
@cbook.deprecated("3.2",alternative="convert_x_to_numeric")
180+
defconvert_xunits(self,x):
181+
returnself.convert_x_to_numeric(x)
182+
183+
defconvert_y_to_numeric(self,y):
180184
"""
181185
Convert *y* using the unit type of the yaxis.
182186
@@ -186,7 +190,11 @@ def convert_yunits(self, y):
186190
ax=getattr(self,'axes',None)
187191
ifaxisNoneorax.yaxisisNone:
188192
returny
189-
returnax.yaxis.convert_units(y)
193+
returnax.yaxis.convert_to_numeric(y)
194+
195+
@cbook.deprecated("3.2",alternative="convert_y_to_numeric")
196+
defconvert_yunits(self,y):
197+
returnself.convert_y_to_numeric(y)
190198

191199
@property
192200
defaxes(self):

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