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Fix bar datetime #25667

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Merged
QuLogic merged 1 commit into from
May 27, 2023
Merged

Fix bar datetime #25667

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28 changes: 26 additions & 2 deletions lib/matplotlib/axes/_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2285,12 +2285,21 @@ def bar(self, x, height, width=0.8, bottom=None, *, align="center",
height : float or array-like
The height(s) of the bars.

Note that if *bottom* has units (e.g. datetime), *height* should be in
units that are a difference from the value of *bottom* (e.g. timedelta).

width : float or array-like, default: 0.8
The width(s) of the bars.

Note that if *x* has units (e.g. datetime), then *width* should be in
units that are a difference (e.g. timedelta) around the *x* values.

bottom : float or array-like, default: 0
The y coordinate(s) of the bottom side(s) of the bars.

Note that if *bottom* has units, then the y-axis will get a Locator and
Formatter appropriate for the units (e.g. dates, or categorical).
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align : {'center', 'edge'}, default: 'center'
Alignment of the bars to the *x* coordinates:

Expand Down Expand Up @@ -2416,13 +2425,19 @@ def bar(self, x, height, width=0.8, bottom=None, *, align="center",
x = 0

if orientation == 'vertical':
# It is possible for y (bottom) to contain unit information.
# However, it is also possible for y=0 for the default and height
# to contain unit information. This will prioritize the units of y.
self._process_unit_info(
[("x", x), ("y", height)], kwargs, convert=False)
[("x", x), ("y", y), ("y", height)], kwargs, convert=False)
if log:
self.set_yscale('log', nonpositive='clip')
else: # horizontal
# It is possible for x (left) to contain unit information.
# However, it is also possible for x=0 for the default and width
# to contain unit information. This will prioritize the units of x.
self._process_unit_info(
[("x", width), ("y", y)], kwargs, convert=False)
[("x", x), ("x", width), ("y", y)], kwargs, convert=False)
if log:
self.set_xscale('log', nonpositive='clip')

Expand Down Expand Up @@ -2582,12 +2597,21 @@ def barh(self, y, width, height=0.8, left=None, *, align="center",
width : float or array-like
The width(s) of the bars.

Note that if *left* has units (e.g. datetime), *width* should be in
units that are a difference from the value of *left* (e.g. timedelta).

height : float or array-like, default: 0.8
The heights of the bars.

Note that if *y* has units (e.g. datetime), then *height* should be in
units that are a difference (e.g. timedelta) around the *y* values.

left : float or array-like, default: 0
The x coordinates of the left side(s) of the bars.

Note that if *left* has units, then the x-axis will get a Locator and
Formatter appropriate for the units (e.g. dates, or categorical).

align : {'center', 'edge'}, default: 'center'
Alignment of the base to the *y* coordinates*:

Expand Down
16 changes: 16 additions & 0 deletions lib/matplotlib/tests/test_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1909,6 +1909,22 @@ def test_bar_timedelta():
(10, 20))


def test_bar_datetime_start():
"""test that tickers are correct for datetimes"""
start = np.array([np.datetime64('2012-01-01'), np.datetime64('2012-02-01'),
np.datetime64('2012-01-15')])
stop = np.array([np.datetime64('2012-02-07'), np.datetime64('2012-02-13'),
np.datetime64('2012-02-12')])

fig, ax = plt.subplots()
ax.bar([0, 1, 3], height=stop-start, bottom=start)
assert isinstance(ax.yaxis.get_major_formatter(), mdates.AutoDateFormatter)

fig, ax = plt.subplots()
ax.barh([0, 1, 3], width=stop-start, left=start)
assert isinstance(ax.xaxis.get_major_formatter(), mdates.AutoDateFormatter)


def test_boxplot_dates_pandas(pd):
# smoke test for boxplot and dates in pandas
data = np.random.rand(5, 2)
Expand Down