From da24dd30e7123853a2450dcc9b72dcda33cc6e25 Mon Sep 17 00:00:00 2001
From: rebortg <github@ghlr.de>
Date: Mon, 14 Jun 2021 20:59:34 +0200
Subject: autosectionlabel: downgrade script from sphinx 1.8.4

---
 docs/_ext/autosectionlabel.py | 63 +++++++++++++++++++++----------------------
 1 file changed, 30 insertions(+), 33 deletions(-)

diff --git a/docs/_ext/autosectionlabel.py b/docs/_ext/autosectionlabel.py
index aea59fac..a6777b27 100644
--- a/docs/_ext/autosectionlabel.py
+++ b/docs/_ext/autosectionlabel.py
@@ -1,71 +1,68 @@
+# -*- coding: utf-8 -*-
 """
     sphinx.ext.autosectionlabel
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
     Allow reference sections by :ref: role using its title.
-    :copyright: Copyright 2007-2021 by the Sphinx team, see AUTHORS.
+
+    :copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
     :license: BSD, see LICENSE for details.
-"""
 
-from typing import Any, Dict, cast
+    from sphinx version 1.8.4 to get readthedocs working
+"""
 
 from docutils import nodes
-from docutils.nodes import Node
 
-from sphinx.application import Sphinx
-from sphinx.domains.std import StandardDomain
 from sphinx.locale import __
 from sphinx.util import logging
 from sphinx.util.nodes import clean_astext
 
-logger = logging.getLogger(__name__)
+if False:
+    # For type annotation
+    from typing import Any, Dict  # NOQA
+    from sphinx.application import Sphinx  # NOQA
 
 
-def get_node_depth(node: Node) -> int:
-    i = 0
-    cur_node = node
-    while cur_node.parent != node.document:
-        cur_node = cur_node.parent
-        i += 1
-    return i
+logger = logging.getLogger(__name__)
+
+if False:
+    # For type annotation
+    from typing import Any, Dict  # NOQA
+    from sphinx.application import Sphinx  # NOQA
 
 
-def register_sections_as_label(app: Sphinx, document: Node) -> None:
-    domain = cast(StandardDomain, app.env.get_domain('std'))
+def register_sections_as_label(app, document):
+    # type: (Sphinx, nodes.Node) -> None
+    labels = app.env.domaindata['std']['labels']
+    anonlabels = app.env.domaindata['std']['anonlabels']
     for node in document.traverse(nodes.section):
-        if (app.config.autosectionlabel_maxdepth and
-                get_node_depth(node) >= app.config.autosectionlabel_maxdepth):
-            continue
         labelid = node['ids'][0]
         docname = app.env.docname
-        title = cast(nodes.title, node[0])
-        ref_name = getattr(title, 'rawsource', title.astext())
+        ref_name = getattr(node[0], 'rawsource', node[0].astext())
         if app.config.autosectionlabel_prefix_document:
             name = nodes.fully_normalize_name(docname + ':' + ref_name)
         else:
             name = nodes.fully_normalize_name(ref_name)
-        sectname = clean_astext(title)
+        sectname = clean_astext(node[0])
 
-        if name in domain.labels:
-            # a ref befor a headline create 2 ids in the node object
+        if name in labels:
             if len(node['ids']) > 1:
                 continue
             logger.warning(__('duplicate label %s, other instance in %s'),
-                           name, app.env.doc2path(domain.labels[name][0]),
-                           location=node, type='autosectionlabel', subtype=docname)
-
-
+                           name, app.env.doc2path(labels[name][0]),
+                           location=node)
 
-        domain.anonlabels[name] = docname, labelid
-        domain.labels[name] = docname, labelid, sectname
+        anonlabels[name] = docname, labelid
+        labels[name] = docname, labelid, sectname
 
 
-def setup(app: Sphinx) -> Dict[str, Any]:
+def setup(app):
+    # type: (Sphinx) -> Dict[unicode, Any]
     app.add_config_value('autosectionlabel_prefix_document', False, 'env')
-    app.add_config_value('autosectionlabel_maxdepth', None, 'env')
     app.connect('doctree-read', register_sections_as_label)
 
     return {
         'version': 'builtin',
         'parallel_read_safe': True,
         'parallel_write_safe': True,
-    }
\ No newline at end of file
+    }
-- 
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