Mar 14, 2020 · Dec 19, 2019
diff --git a/doc/api/next_api_changes/deprecations.rst b/doc/api/next_api_changes/deprecations.rst
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 This method is deprecated.  If needed, directly assign to the ``params``
 attribute of the Substitution object.

 PGF backend cleanups
 ~~~~~~~~~~~~~~~~~~~~
 The *dummy* parameter of `.RendererPgf` is deprecated.

 `.GraphicsContextPgf` is deprecated (use `.GraphicsContextBase` instead).
diff --git a/lib/matplotlib/backends/backend_pgf.py b/lib/matplotlib/backends/backend_pgf.py

 class RendererPgf(RendererBase):

    @cbook._delete_parameter("3.3", "dummy")
    def __init__(self, figure, fh, dummy=False):
        """
        Creates a new PGF renderer that translates any drawing instruction
            for m in RendererPgf.__dict__:
                if m.startswith("draw_"):
                    self.__dict__[m] = lambda *args, **kwargs: None
        else:
            # if fh does not belong to a filename, deactivate draw_image
            if not hasattr(fh, 'name') or not os.path.exists(fh.name):
                self.__dict__["draw_image"] = \
                    lambda *args, **kwargs: cbook._warn_external(
                        "streamed pgf-code does not support raster graphics, "
                        "consider using the pgf-to-pdf option")

    @cbook.deprecated("3.2")
    @property
        if w == 0 or h == 0:
            return

        if not os.path.exists(getattr(self.fh, "name", "")):
            cbook._warn_external(
                "streamed pgf-code does not support raster graphics, consider "
                "using the pgf-to-pdf option.")

        # save the images to png files
        path = pathlib.Path(self.fh.name)
        fname_img = "%s-img%d.png" % (path.stem, self.image_counter)
        # docstring inherited
        return points * mpl_pt_to_in * self.dpi

    def new_gc(self):
        # docstring inherited
        return GraphicsContextPgf()


 @cbook.deprecated("3.3", alternative="GraphicsContextBase")
 class GraphicsContextPgf(GraphicsContextBase):
    pass

 ########################################################################


 class TmpDirCleaner:
    remaining_tmpdirs = set()
            self._print_png_to_fh(file, *args, **kwargs)

    def get_renderer(self):
        return RendererPgf(self.figure, None, dummy=True)
        return RendererPgf(self.figure, None)


 class FigureManagerPgf(FigureManagerBase):
Original file line number	Diff line number	Diff line change
Expand Up		@@ -338,3 +338,9 @@ an internal helper).
		~~~~~~~~~~~~~~~~~~~~~~~~~~~~
		This method is deprecated. If needed, directly assign to the ``params``
		attribute of the Substitution object.

		PGF backend cleanups
		~~~~~~~~~~~~~~~~~~~~
		The dummy parameter of `.RendererPgf` is deprecated.

		`.GraphicsContextPgf` is deprecated (use `.GraphicsContextBase` instead).
Original file line number	Diff line number	Diff line change
Expand Up		@@ -386,6 +386,7 @@ def _get_image_inclusion_command():

		class RendererPgf(RendererBase):

		@cbook._delete_parameter("3.3", "dummy")
		def __init__(self, figure, fh, dummy=False):
		"""
		Creates a new PGF renderer that translates any drawing instruction
Expand All		@@ -412,13 +413,6 @@ def __init__(self, figure, fh, dummy=False):
		for m in RendererPgf.__dict__:
		if m.startswith("draw_"):
		self.__dict__[m] = lambda args, *kwargs: None
		else:
		# if fh does not belong to a filename, deactivate draw_image
		if not hasattr(fh, 'name') or not os.path.exists(fh.name):
		self.__dict__["draw_image"] = \
		lambda args, *kwargs: cbook._warn_external(
		"streamed pgf-code does not support raster graphics, "
		"consider using the pgf-to-pdf option")

		@cbook.deprecated("3.2")
		@property
Expand DownExpand Up		@@ -646,6 +640,11 @@ def draw_image(self, gc, x, y, im, transform=None):
		if w == 0 or h == 0:
		return

		if not os.path.exists(getattr(self.fh, "name", "")):
		cbook._warn_external(
		"streamed pgf-code does not support raster graphics, consider "
		"using the pgf-to-pdf option.")

		# save the images to png files
		path = pathlib.Path(self.fh.name)
		fname_img = "%s-img%d.png" % (path.stem, self.image_counter)
Expand DownExpand Up		@@ -756,16 +755,11 @@ def points_to_pixels(self, points):
		# docstring inherited
		return points * mpl_pt_to_in * self.dpi

		def new_gc(self):
		# docstring inherited
		return GraphicsContextPgf()


		@cbook.deprecated("3.3", alternative="GraphicsContextBase")
		class GraphicsContextPgf(GraphicsContextBase):
		pass

		########################################################################


		class TmpDirCleaner:
		remaining_tmpdirs = set()
Expand DownExpand Up		@@ -949,7 +943,7 @@ def print_png(self, fname_or_fh, args, *kwargs):
		self._print_png_to_fh(file, args, *kwargs)

		def get_renderer(self):
		return RendererPgf(self.figure, None, dummy=True)
		return RendererPgf(self.figure, None)


		class FigureManagerPgf(FigureManagerBase):
Expand Down