Handle exceptions for get_node_source and get_node_line

sphinx/builders/linkcheck.py

@@ -509,7 +509,10 @@ def add_uri(uri: str, node: nodes.Element) -> None:
  if newuri:
  uri = newuri
 
- lineno = get_node_line(node)
+ try:
+ lineno = get_node_line(node)
+ except ValueError:
+ lineno = None
  uri_info = Hyperlink(uri, self.env.docname, lineno)
  if uri not in hyperlinks:
  hyperlinks[uri] = uri_info

sphinx/util/nodes.py

@@ -172,7 +172,10 @@ def apply_source_workaround(node: Element) -> None:
  ))):
  logger.debug('[i18n] PATCH: %r to have source and line: %s',
  get_full_module_name(node), repr_domxml(node))
- node.source = get_node_source(node) or ''
+ try:
+ node.source = get_node_source(node)
+ except ValueError:
+ node.source = ''
  node.line = 0 # need fix docutils to get `node.line`
  return
 
@@ -561,8 +564,9 @@ def set_role_source_info(inliner: Inliner, lineno: int, node: Node) -> None:
 
 
 def copy_source_info(src: Element, dst: Element) -> None:
- dst.source = get_node_source(src)
- dst.line = get_node_line(src)
+ with contextlib.suppress(ValueError):
+ dst.source = get_node_source(src)
+ dst.line = get_node_line(src)
 
 
 NON_SMARTQUOTABLE_PARENT_NODES = (