59 lines
2 KiB
Python
59 lines
2 KiB
Python
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import os.path
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from pelican import signals
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def map_og_tag(instance, prop, og_tag, default=''):
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data = instance.metadata.get(prop, default)
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if data:
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instance.ogtags.append((og_tag, data))
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return instance
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def get_content_type(instance):
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return type(instance).__name__
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def tag_item(instance):
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instance_type = get_content_type(instance)
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if instance_type not in ['Article', 'Page', 'Draft']:
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return
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instance.ogtags = [
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('og:type', instance_type),
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('og:url', os.path.join(instance.settings.get('SITEURL', ''), instance.url)),
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('twitter:url', os.path.join(instance.settings.get('SITEURL', ''), instance.url)),
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('twitter:card', 'summary'),
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('og:site_name', instance.settings.get('SITENAME', '')),
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]
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instance = map_og_tag(instance, 'title', 'og:title')
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instance = map_og_tag(instance, 'image', 'og:image')
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instance = map_og_tag(instance, 'summary', 'og:description')
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instance = map_og_tag(instance, 'author', 'article:author', instance.settings.get('AUTHOR'))
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instance = map_og_tag(instance, 'modified', 'article:modified_time')
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instance = map_og_tag(instance, 'date', 'article:published_time')
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instance = map_og_tag(instance, 'image', 'twitter:image')
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instance = map_og_tag(instance, 'title', 'twitter:title')
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instance = map_og_tag(instance, 'summary', 'twitter:description')
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if hasattr(instance, 'category'):
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instance.ogtags.append(('article:section', instance.category.name))
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if hasattr(instance, 'tags'):
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for tag in instance.tags:
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instance.ogtags.append(('article:tag', tag.name))
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instance.ogtags.append(('og:locale', instance.metadata.get('locale', 'en_GB')))
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# Add non-og tags
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instance = map_og_tag(instance, 'summary', 'description')
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instance = map_og_tag(instance, 'author', 'author', instance.settings.get('AUTHOR'))
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instance.ogtags.append(('canonical', instance.settings.get('SITEURL')))
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def register():
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signals.content_object_init.connect(tag_item)
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