45 lines
1.4 KiB
Python
45 lines
1.4 KiB
Python
# Credit to sphinx.ext.extlinks for being a good starter
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# Copyright 2007-2020 by the Sphinx team
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# Licensed under BSD.
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from typing import Any, Dict, List, Tuple
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from docutils import nodes, utils
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from docutils.nodes import Node, system_message
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from docutils.parsers.rst.states import Inliner
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import sphinx
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from sphinx.application import Sphinx
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from sphinx.util.nodes import split_explicit_title
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from sphinx.util.typing import RoleFunction
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def make_link_role(resource_links: Dict[str, str]) -> RoleFunction:
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def role(
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typ: str,
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rawtext: str,
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text: str,
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lineno: int,
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inliner: Inliner,
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options: Dict = {},
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content: List[str] = []
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) -> Tuple[List[Node], List[system_message]]:
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text = utils.unescape(text)
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has_explicit_title, title, key = split_explicit_title(text)
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full_url = resource_links[key]
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if not has_explicit_title:
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title = full_url
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pnode = nodes.reference(title, title, internal=False, refuri=full_url)
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return [pnode], []
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return role
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def add_link_role(app: Sphinx) -> None:
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app.add_role('resource', make_link_role(app.config.resource_links))
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def setup(app: Sphinx) -> Dict[str, Any]:
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app.add_config_value('resource_links', {}, 'env')
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app.connect('builder-inited', add_link_role)
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return {'version': sphinx.__display_version__, 'parallel_read_safe': True}
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