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59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
# based on http://protips.readthedocs.io/link-roles.html
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#from __future__ import print_function, unicode_literals
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import os
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import re
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import subprocess
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from collections import namedtuple
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from docutils import nodes
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from sphinx.transforms.post_transforms import SphinxPostTransform
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URL_BASE = {
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"zh_CN": "https://lvgl.100ask.net/"
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}
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class translation_link(nodes.Element):
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"""Node for "link_to_translation" role."""
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# Linking to translation is done at the "writing" stage to avoid issues with the info being cached between builders
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def link_to_translation(name, rawtext, text, lineno, inliner, options={}, content=[]):
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node = translation_link()
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node['expr'] = (rawtext, text, options)
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return [node], []
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class TranslationLinkNodeTransform(SphinxPostTransform):
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# Transform needs to happen early to ensure the new reference node is also transformed
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default_priority = 0
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def run(self, **kwargs):
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# Only output relative links if building HTML
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for node in self.document.traverse(translation_link):
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if 'html' in self.app.builder.name:
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rawtext, text, options = node['expr']
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(language, link_text) = text.split(':')
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env = self.document.settings.env
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docname = env.docname
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#doc_path = env.doc2path(docname, False)
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urlpath = os.environ['LVGL_URLPATH']+'/'
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return_path = URL_BASE.get(language, "") + urlpath
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url = '{}.html'.format(os.path.join(return_path, docname))
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node.replace_self(nodes.reference(rawtext, link_text, refuri=url, **options))
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else:
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node.replace_self([])
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def setup(app):
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# link to the current documentation file in specific language version
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app.add_role('link_to_translation', link_to_translation)
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app.add_node(translation_link)
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app.add_post_transform(TranslationLinkNodeTransform)
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return {'parallel_read_safe': True, 'parallel_write_safe': True, 'version': '0.5'}
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