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many many many Varia's websites, work in progress: https://many.vvvvvvaria.org
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53 lines
1.7 KiB
53 lines
1.7 KiB
7 years ago
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"""
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Clean Summary
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-------------
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adds option to specify maximum number of images to appear in article summary
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also adds option to include an image by default if one exists in your article
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"""
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from pelican import signals
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from pelican.contents import Content, Article
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from pelican.generators import ArticlesGenerator
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from bs4 import BeautifulSoup
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from six import text_type
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def init(pelican):
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global maximum_images
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global minimum_one
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maximum_images = pelican.settings.get('CLEAN_SUMMARY_MAXIMUM', 0)
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minimum_one = pelican.settings.get('CLEAN_SUMMARY_MINIMUM_ONE', False)
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def clean_summary(instance):
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if type(instance) == Article:
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summary = instance.summary
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summary = BeautifulSoup(instance.summary, 'html.parser')
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images = summary.findAll('img')
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if (len(images) > maximum_images):
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for image in images[maximum_images:]:
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image.extract()
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if len(images) < 1 and minimum_one: #try to find one
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content = BeautifulSoup(instance.content, 'html.parser')
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first_image = content.find('img')
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if first_image:
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summary.insert(0, first_image)
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instance._summary = text_type(summary)
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def run_plugin(generators):
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for generator in generators:
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if isinstance(generator, ArticlesGenerator):
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for article in generator.articles:
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clean_summary(article)
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def register():
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signals.initialized.connect(init)
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try:
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signals.all_generators_finalized.connect(run_plugin)
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except AttributeError:
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# NOTE: This may result in #314 so shouldn't really be relied on
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# https://github.com/getpelican/pelican-plugins/issues/314
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signals.content_object_init.connect(clean_summary)
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