Jun 10, 2017 · Jun 2, 2017 · Jun 3, 2017 · Jun 3, 2017 · Jun 4, 2017 · Jun 4, 2017
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
 from contextlib import contextmanager
 import importlib
 import io
 import itertools
 import os
 import sys
 import time


 # Used to ensure that caching based on renderer id() is unique without being as
 # expensive as a real UUID.
 _unique_renderer_id = 0
 # expensive as a real UUID. 0 is used for renderers that don't derive from
 # here, so start at 1.
 _unique_renderer_id = itertools.count(1)


 def register_backend(format, backend, description=None):

    """
    def __init__(self):
        self._id = None
        # A lightweight id for unique-ification purposes. Along with id(self),
        # the combination should be unique enough to use as part of a cache key.
        self._uid = next(_unique_renderer_id)

        self._texmanager = None

        self._text2path = textpath.TextToPath()

    @property
    def _uid(self):
        """
        A lightweight id for unique-ification purposes.

        Along with id(self), this combination should be unique enough to use as
        part of a caching key.
        """
        if self._id is None:
            global _unique_renderer_id
            _unique_renderer_id += 1
            self._id = _unique_renderer_id
        return self._id

    def open_group(self, s, gid=None):
        """
        Open a grouping element with label *s*. If *gid* is given, use
diff --git a/lib/matplotlib/backends/backend_mixed.py b/lib/matplotlib/backends/backend_mixed.py

 import six

 import matplotlib.backend_bases
 from matplotlib.backends.backend_agg import RendererAgg
 from matplotlib.tight_bbox import process_figure_for_rasterizing

        if raster_renderer_class is None:
            raster_renderer_class = RendererAgg

        self._id = None
        # See matplotlib.backend_bases.RendererBase._uid.
        self._uid = next(matplotlib.backend_bases._unique_renderer_id)

        self._raster_renderer_class = raster_renderer_class
        self._width = width
        self._height = height
        _text2path _get_text_path_transform height width
        """.split()

    @property
    def _uid(self):
        """
        See matplotlib.backend_bases.RendererBase._uid.
        """
        if self._id is None:
            from matplotlib import backend_bases
            backend_bases._unique_renderer_id
            backend_bases._unique_renderer_id += 1
            self._id = backend_bases._unique_renderer_id
        return self._id

    def _set_current_renderer(self, renderer):
        self._renderer = renderer
Original file line number	Diff line number	Diff line change
Expand Up		@@ -41,6 +41,7 @@
		from contextlib import contextmanager
		import importlib
		import io
		import itertools
		import os
		import sys
		import time
Expand DownExpand Up		@@ -101,8 +102,9 @@


		# Used to ensure that caching based on renderer id() is unique without being as
		# expensive as a real UUID.
		_unique_renderer_id = 0
		# expensive as a real UUID. 0 is used for renderers that don't derive from
		# here, so start at 1.
		_unique_renderer_id = itertools.count(1)


		def register_backend(format, backend, description=None):
Expand DownExpand Up		@@ -217,25 +219,14 @@ class RendererBase(object):

		"""
		def __init__(self):
		self._id = None
		# A lightweight id for unique-ification purposes. Along with id(self),
		# the combination should be unique enough to use as part of a cache key.
		self._uid = next(_unique_renderer_id)

		self._texmanager = None

		self._text2path = textpath.TextToPath()

		@property
		def _uid(self):
		"""
		A lightweight id for unique-ification purposes.

		Along with id(self), this combination should be unique enough to use as
		part of a caching key.
		"""
		if self._id is None:
		global _unique_renderer_id
		_unique_renderer_id += 1
		self._id = _unique_renderer_id
		return self._id

		def open_group(self, s, gid=None):
		"""
		Open a grouping element with label s. If gid is given, use
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -5,6 +5,7 @@

		import six

		import matplotlib.backend_bases
		from matplotlib.backends.backend_agg import RendererAgg
		from matplotlib.tight_bbox import process_figure_for_rasterizing

Expand DownExpand Up		@@ -49,7 +50,9 @@ def __init__(self, figure, width, height, dpi, vector_renderer,
		if raster_renderer_class is None:
		raster_renderer_class = RendererAgg

		self._id = None
		# See matplotlib.backend_bases.RendererBase._uid.
		self._uid = next(matplotlib.backend_bases._unique_renderer_id)

		self._raster_renderer_class = raster_renderer_class
		self._width = width
		self._height = height
Expand DownExpand Up		@@ -81,18 +84,6 @@ def __init__(self, figure, width, height, dpi, vector_renderer,
		_text2path _get_text_path_transform height width
		""".split()

		@property
		def _uid(self):
		"""
		See matplotlib.backend_bases.RendererBase._uid.
		"""
		if self._id is None:
		from matplotlib import backend_bases
		backend_bases._unique_renderer_id
		backend_bases._unique_renderer_id += 1
		self._id = backend_bases._unique_renderer_id
		return self._id

		def _set_current_renderer(self, renderer):
		self._renderer = renderer

Expand Down