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added backlink generation

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This commit is contained in:
Amy G. Bowersox 2024-08-09 18:32:26 -06:00
parent 1842d33358
commit ba4b6f2cf0
3 changed files with 31 additions and 3 deletions
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2
src/dragonglass/mparse.py
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@ -325,6 +325,8 @@ class ObsidianLinks(Extension):
if not text:
text = contents
if node:
# record a backlink from the current node to the found one
node.backlinks.add(self._context.current_node)
return node.link_target(self._context.url_prefix,
self._context.current_node if self._context.relative_links else None), text
return None, text

23
src/dragonglass/template.py
View File

@ -12,8 +12,7 @@ from .tree import SourceNode
"""The default template used to render Markdown data."""
DEFAULT_TEMPLATE = """
<html>
DEFAULT_TEMPLATE = """<html>
<head>
<title>{{ title }}</title>
<link rel="stylesheet" href="{{ default_stylesheet }}"/>
@ -21,6 +20,19 @@ DEFAULT_TEMPLATE = """
<body>
<h1>{{ title }}</h1>
{{ text }}
{% if backlinks|length > 0 %}
<div class="generated-header">
<hr />
<span>Links to this page</span>
</div>
<div class="backlink-items-container">
{% for item in backlinks %}
<div class="backlink-item">
<a class="internal-link" href="{{ item.link }}">{{ item.title }}</a>
</div>
{% endfor %}
</div>
{% endif %}
</body>
</html>
"""
@ -68,6 +80,13 @@ def template_vars(node: SourceNode, ctxt: Context) -> dict[str, Any]:
"""
tvars = node.make_vars()
# Compute backlinks for this node.
backlinks = sorted(node.backlinks, key=lambda n: n.page_title)
tvars['backlinks'] = [{'title': n.page_title,
'link': n.link_target(ctxt.url_prefix, node if ctxt.relative_links else None)}
for n in backlinks]
# Add reference to the default stylesheet.
if ctxt.relative_links:
stylesheet_path = ctxt.source_dir / STYLESHEET_NAME
rel_path = ctxt.source_dir / node.path

9
src/dragonglass/tree.py
View File

@ -29,6 +29,7 @@ class SourceNode:
Attributes:
metadata (dict[str, Any]): The metadata from the current node.
text (str): The parsed HTML text of the current node.
backlinks (set[SourceNode]): Set of nodes that link to this one.
"""
def __init__(self, root: Path, path: Path, is_dir: bool) -> None:
"""
@ -45,6 +46,7 @@ class SourceNode:
self._is_md = path.match(MARKDOWN_PAT)
self.metadata: dict[str, Any] = {}
self.text: str | None = None
self.backlinks: set[Any] = set()
def __str__(self) -> str:
"""Returns the string representation of the nmode."""
@ -70,6 +72,11 @@ class SourceNode:
"""Returns the root path this node is under."""
return self._root
@property
def page_title(self) -> str:
"""Returns the standard page title for this node."""
return self._path.stem
def target_file(self, dest_dir: Path) -> Path:
"""
Computes the path of the target file as it will be written to the destination directory.
@ -143,7 +150,7 @@ class SourceNode:
"""
return {
"text": self.text,
"title": self._path.stem
"title": self.page_title
}