Fixed database typo and removed unnecessary class identifier.
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5098 changed files with 952558 additions and 85 deletions
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venv/Lib/site-packages/matplotlib/axes/_subplots.py
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venv/Lib/site-packages/matplotlib/axes/_subplots.py
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import functools
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import uuid
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from matplotlib import cbook, docstring
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import matplotlib.artist as martist
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from matplotlib.axes._axes import Axes
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from matplotlib.gridspec import GridSpec, SubplotSpec
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import matplotlib._layoutbox as layoutbox
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class SubplotBase:
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"""
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Base class for subplots, which are :class:`Axes` instances with
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additional methods to facilitate generating and manipulating a set
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of :class:`Axes` within a figure.
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"""
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def __init__(self, fig, *args, **kwargs):
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"""
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Parameters
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----------
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fig : `matplotlib.figure.Figure`
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*args : tuple (*nrows*, *ncols*, *index*) or int
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The array of subplots in the figure has dimensions ``(nrows,
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ncols)``, and *index* is the index of the subplot being created.
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*index* starts at 1 in the upper left corner and increases to the
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right.
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If *nrows*, *ncols*, and *index* are all single digit numbers, then
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*args* can be passed as a single 3-digit number (e.g. 234 for
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(2, 3, 4)).
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**kwargs
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Keyword arguments are passed to the Axes (sub)class constructor.
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"""
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self.figure = fig
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self._subplotspec = SubplotSpec._from_subplot_args(fig, args)
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self.update_params()
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# _axes_class is set in the subplot_class_factory
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self._axes_class.__init__(self, fig, self.figbox, **kwargs)
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# add a layout box to this, for both the full axis, and the poss
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# of the axis. We need both because the axes may become smaller
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# due to parasitic axes and hence no longer fill the subplotspec.
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if self._subplotspec._layoutbox is None:
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self._layoutbox = None
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self._poslayoutbox = None
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else:
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name = self._subplotspec._layoutbox.name + '.ax'
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name = name + layoutbox.seq_id()
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self._layoutbox = layoutbox.LayoutBox(
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parent=self._subplotspec._layoutbox,
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name=name,
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artist=self)
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self._poslayoutbox = layoutbox.LayoutBox(
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parent=self._layoutbox,
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name=self._layoutbox.name+'.pos',
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pos=True, subplot=True, artist=self)
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def __reduce__(self):
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# get the first axes class which does not inherit from a subplotbase
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axes_class = next(
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c for c in type(self).__mro__
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if issubclass(c, Axes) and not issubclass(c, SubplotBase))
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return (_picklable_subplot_class_constructor,
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(axes_class,),
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self.__getstate__())
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def get_geometry(self):
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"""Get the subplot geometry, e.g., (2, 2, 3)."""
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rows, cols, num1, num2 = self.get_subplotspec().get_geometry()
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return rows, cols, num1 + 1 # for compatibility
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# COVERAGE NOTE: Never used internally or from examples
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def change_geometry(self, numrows, numcols, num):
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"""Change subplot geometry, e.g., from (1, 1, 1) to (2, 2, 3)."""
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self._subplotspec = GridSpec(numrows, numcols,
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figure=self.figure)[num - 1]
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self.update_params()
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self.set_position(self.figbox)
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def get_subplotspec(self):
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"""Return the `.SubplotSpec` instance associated with the subplot."""
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return self._subplotspec
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def set_subplotspec(self, subplotspec):
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"""Set the `.SubplotSpec`. instance associated with the subplot."""
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self._subplotspec = subplotspec
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def get_gridspec(self):
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"""Return the `.GridSpec` instance associated with the subplot."""
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return self._subplotspec.get_gridspec()
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def update_params(self):
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"""Update the subplot position from ``self.figure.subplotpars``."""
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self.figbox, _, _, self.numRows, self.numCols = \
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self.get_subplotspec().get_position(self.figure,
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return_all=True)
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@cbook.deprecated("3.2", alternative="ax.get_subplotspec().rowspan.start")
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@property
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def rowNum(self):
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return self.get_subplotspec().rowspan.start
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@cbook.deprecated("3.2", alternative="ax.get_subplotspec().colspan.start")
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@property
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def colNum(self):
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return self.get_subplotspec().colspan.start
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def is_first_row(self):
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return self.get_subplotspec().rowspan.start == 0
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def is_last_row(self):
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return self.get_subplotspec().rowspan.stop == self.get_gridspec().nrows
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def is_first_col(self):
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return self.get_subplotspec().colspan.start == 0
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def is_last_col(self):
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return self.get_subplotspec().colspan.stop == self.get_gridspec().ncols
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def label_outer(self):
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"""
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Only show "outer" labels and tick labels.
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x-labels are only kept for subplots on the last row; y-labels only for
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subplots on the first column.
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"""
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lastrow = self.is_last_row()
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firstcol = self.is_first_col()
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if not lastrow:
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for label in self.get_xticklabels(which="both"):
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label.set_visible(False)
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self.get_xaxis().get_offset_text().set_visible(False)
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self.set_xlabel("")
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if not firstcol:
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for label in self.get_yticklabels(which="both"):
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label.set_visible(False)
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self.get_yaxis().get_offset_text().set_visible(False)
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self.set_ylabel("")
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def _make_twin_axes(self, *args, **kwargs):
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"""Make a twinx axes of self. This is used for twinx and twiny."""
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if 'sharex' in kwargs and 'sharey' in kwargs:
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# The following line is added in v2.2 to avoid breaking Seaborn,
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# which currently uses this internal API.
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if kwargs["sharex"] is not self and kwargs["sharey"] is not self:
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raise ValueError("Twinned Axes may share only one axis")
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# The dance here with label is to force add_subplot() to create a new
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# Axes (by passing in a label never seen before). Note that this does
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# not affect plot reactivation by subplot() as twin axes can never be
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# reactivated by subplot().
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sentinel = str(uuid.uuid4())
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real_label = kwargs.pop("label", sentinel)
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twin = self.figure.add_subplot(
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self.get_subplotspec(), *args, label=sentinel, **kwargs)
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if real_label is not sentinel:
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twin.set_label(real_label)
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self.set_adjustable('datalim')
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twin.set_adjustable('datalim')
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if self._layoutbox is not None and twin._layoutbox is not None:
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# make the layout boxes be explicitly the same
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twin._layoutbox.constrain_same(self._layoutbox)
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twin._poslayoutbox.constrain_same(self._poslayoutbox)
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self._twinned_axes.join(self, twin)
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return twin
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def __repr__(self):
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fields = []
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if self.get_label():
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fields += [f"label={self.get_label()!r}"]
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titles = []
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for k in ["left", "center", "right"]:
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title = self.get_title(loc=k)
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if title:
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titles.append(f"{k!r}:{title!r}")
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if titles:
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fields += ["title={" + ",".join(titles) + "}"]
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if self.get_xlabel():
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fields += [f"xlabel={self.get_xlabel()!r}"]
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if self.get_ylabel():
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fields += [f"ylabel={self.get_ylabel()!r}"]
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return f"<{self.__class__.__name__}:" + ", ".join(fields) + ">"
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# this here to support cartopy which was using a private part of the
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# API to register their Axes subclasses.
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# In 3.1 this should be changed to a dict subclass that warns on use
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# In 3.3 to a dict subclass that raises a useful exception on use
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# In 3.4 should be removed
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# The slow timeline is to give cartopy enough time to get several
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# release out before we break them.
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_subplot_classes = {}
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@functools.lru_cache(None)
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def subplot_class_factory(axes_class=None):
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"""
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Make a new class that inherits from `.SubplotBase` and the
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given axes_class (which is assumed to be a subclass of `.axes.Axes`).
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This is perhaps a little bit roundabout to make a new class on
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the fly like this, but it means that a new Subplot class does
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not have to be created for every type of Axes.
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"""
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if axes_class is None:
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cbook.warn_deprecated(
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"3.3", message="Support for passing None to subplot_class_factory "
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"is deprecated since %(since)s; explicitly pass the default Axes "
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"class instead. This will become an error %(removal)s.")
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axes_class = Axes
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try:
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# Avoid creating two different instances of GeoAxesSubplot...
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# Only a temporary backcompat fix. This should be removed in
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# 3.4
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return next(cls for cls in SubplotBase.__subclasses__()
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if cls.__bases__ == (SubplotBase, axes_class))
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except StopIteration:
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return type("%sSubplot" % axes_class.__name__,
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(SubplotBase, axes_class),
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{'_axes_class': axes_class})
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Subplot = subplot_class_factory(Axes) # Provided for backward compatibility.
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def _picklable_subplot_class_constructor(axes_class):
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"""
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Stub factory that returns an empty instance of the appropriate subplot
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class when called with an axes class. This is purely to allow pickling of
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Axes and Subplots.
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"""
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subplot_class = subplot_class_factory(axes_class)
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return subplot_class.__new__(subplot_class)
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docstring.interpd.update(Axes=martist.kwdoc(Axes))
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docstring.dedent_interpd(Axes.__init__)
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docstring.interpd.update(Subplot=martist.kwdoc(Axes))
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