44 lines
1.7 KiB
Python
44 lines
1.7 KiB
Python
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"""Teach feedparser the Podcasting 2.0 tags we read.
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feedparser 6 doesn't know the podcast namespace. Unknown tags still come
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through, but only under whatever prefix the feed happened to declare, and an
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unknown tag with attributes is stored as a single dict, so a second
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<podcast:transcript> overwrites the first. Registering the namespace fixes the
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prefix ("podcast_…" for every feed); the handler below keeps every
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transcript in a list, entry["podcast_transcripts"].
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podcast:chapters is left to feedparser's default handling, which gives
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entry["podcast_chapters"] = {"url": …, "type": …} (one per item, as the spec
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says).
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"""
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from feedparser.mixin import _FeedParserMixin as FeedParserMixin
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from feedparser.util import FeedParserDict
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PODCAST_NAMESPACES = (
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'https://podcastindex.org/namespace/1.0',
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# The URL the namespace was announced under; some early feeds still use it.
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'https://github.com/podcastindex-org/podcast-namespace/blob/main/docs/1.0.md',
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)
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def _start_podcast_transcript(self, attrs_d):
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context = self._get_context()
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context.setdefault('podcast_transcripts', []).append(FeedParserDict(attrs_d))
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def _end_podcast_transcript(self):
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pass
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def install():
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"""Idempotent; called when podcasts.views is imported."""
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for uri in PODCAST_NAMESPACES:
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FeedParserMixin.namespaces.setdefault(uri, 'podcast')
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# Filled lazily from `namespaces` by the first parser; once it has
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# been, later additions have to go in here directly.
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if FeedParserMixin._matchnamespaces:
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FeedParserMixin._matchnamespaces.setdefault(uri.lower(), 'podcast')
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FeedParserMixin._start_podcast_transcript = _start_podcast_transcript
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FeedParserMixin._end_podcast_transcript = _end_podcast_transcript
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