48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
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"""
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doilinks
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~~~~~~~~
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Extension to add links to DOIs. With this extension you can use e.g.
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:doi:`10.1016/S0022-2836(05)80360-2` in your documents. This will
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create a link to a DOI resolver
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(``https://doi.org/10.1016/S0022-2836(05)80360-2``).
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The link caption will be the raw DOI.
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You can also give an explicit caption, e.g.
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:doi:`Basic local alignment search tool <10.1016/S0022-2836(05)80360-2>`.
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:copyright: Copyright 2015 Jon Lund Steffensen. Based on extlinks by
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the Sphinx team.
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:license: BSD.
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"""
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from docutils import nodes, utils
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from sphinx.util.nodes import split_explicit_title
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def reference_role(typ, rawtext, text, lineno, inliner, options={}, content=[]):
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text = utils.unescape(text)
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has_explicit_title, title, part = split_explicit_title(text)
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if typ in ["arXiv", "arxiv"]:
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full_url = "https://arxiv.org/abs/" + part
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if not has_explicit_title:
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title = "arXiv:" + part
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pnode = nodes.reference(title, title, internal=False, refuri=full_url)
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return [pnode], []
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if typ in ["doi", "DOI"]:
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full_url = "https://doi.org/" + part
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if not has_explicit_title:
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title = "DOI:" + part
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pnode = nodes.reference(title, title, internal=False, refuri=full_url)
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return [pnode], []
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def setup_link_role(app):
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app.add_role("arxiv", reference_role, override=True)
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app.add_role("arXiv", reference_role, override=True)
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app.add_role("doi", reference_role, override=True)
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app.add_role("DOI", reference_role, override=True)
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def setup(app):
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app.connect("builder-inited", setup_link_role)
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return {"version": "0.1", "parallel_read_safe": True}
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