bpo-42579: Make workaround for various versions of Sphinx more robust (GH-23662)
The solution in gh#python/cpython#13236 is too strict because it effectively requires the use of Sphinx >= 2.0. It is not too difficult to make the same solution more robust so it works with all normal versions of Sphinx.
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@ -394,7 +394,12 @@ class DeprecatedRemoved(Directive):
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translatable=False)
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translatable=False)
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node.append(para)
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node.append(para)
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env = self.state.document.settings.env
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env = self.state.document.settings.env
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env.get_domain('changeset').note_changeset(node)
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# deprecated pre-Sphinx-2 method
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if hasattr(env, 'note_versionchange'):
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env.note_versionchange('deprecated', version[0], node, self.lineno)
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# new method
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else:
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env.get_domain('changeset').note_changeset(node)
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return [node] + messages
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return [node] + messages
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