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Commite170f99

Browse files
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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 parentd4e834f commite170f99

29 files changed

+441
-291
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
145145
:nosignatures:
146146

147+
Artist.convert_x_to_numeric
147148
Artist.convert_xunits
149+
Artist.convert_y_to_numeric
148150
Artist.convert_yunits
149151
Artist.have_units
150152

‎doc/api/axes_api.rst

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -424,7 +424,9 @@ Units
424424
:template: autosummary.rst
425425
:nosignatures:
426426

427+
Axes.convert_x_to_numeric
427428
Axes.convert_xunits
429+
Axes.convert_y_to_numeric
428430
Axes.convert_yunits
429431
Axes.have_units
430432

‎doc/api/axis_api.rst

Lines changed: 18 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -159,6 +159,8 @@ Units
159159
:template: autosummary.rst
160160
:nosignatures:
161161

162+
Axis.convert_from_numeric
163+
Axis.convert_to_numeric
162164
Axis.convert_units
163165
Axis.set_units
164166
Axis.get_units
@@ -330,6 +332,8 @@ XAxis
330332
XAxis.OFFSETTEXTPAD
331333
XAxis.axis_date
332334
XAxis.cla
335+
XAxis.convert_from_numeric
336+
XAxis.convert_to_numeric
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XAxis.convert_units
334338
XAxis.get_data_interval
335339
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
402+
YAxis.convert_from_numeric
403+
YAxis.convert_to_numeric
398404
YAxis.convert_units
399405
YAxis.get_data_interval
400406
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
473+
Tick.convert_x_to_numeric
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Tick.convert_xunits
475+
Tick.convert_y_to_numeric
468476
Tick.convert_yunits
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Tick.draw
470478
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
542+
XTick.convert_y_to_numeric
533543
XTick.convert_yunits
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XTick.draw
535545
XTick.findobj
@@ -594,7 +604,9 @@ Ticks
594604
YTick.add_callback
595605
YTick.axes
596606
YTick.contains
607+
YTick.convert_x_to_numeric
597608
YTick.convert_xunits
609+
YTick.convert_y_to_numeric
598610
YTick.convert_yunits
599611
YTick.draw
600612
YTick.findobj
@@ -669,7 +681,9 @@ Axis
669681
Axis.add_callback
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Axis.axes
671683
Axis.contains
684+
Axis.convert_x_to_numeric
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Axis.convert_xunits
686+
Axis.convert_y_to_numeric
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Axis.convert_yunits
674688
Axis.draw
675689
Axis.findobj
@@ -734,7 +748,9 @@ Axis
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XAxis.add_callback
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XAxis.axes
736750
XAxis.contains
751+
XAxis.convert_x_to_numeric
737752
XAxis.convert_xunits
753+
XAxis.convert_y_to_numeric
738754
XAxis.convert_yunits
739755
XAxis.draw
740756
XAxis.findobj
@@ -799,7 +815,9 @@ Axis
799815
YAxis.add_callback
800816
YAxis.axes
801817
YAxis.contains
818+
YAxis.convert_x_to_numeric
802819
YAxis.convert_xunits
820+
YAxis.convert_y_to_numeric
803821
YAxis.convert_yunits
804822
YAxis.draw
805823
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):
313313

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):
2828

2929

3030
classFooConverter(units.ConversionInterface):
31-
@staticmethod
32-
defaxisinfo(unit,axis):
31+
@classmethod
32+
defaxisinfo(cls,unit,axis):
3333
"""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("3.3",pending=True,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("3.3",pending=True,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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