matplotlib

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import sys
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def matplotlib_reduced_latex_scraper(block, block_vars, gallery_conf,
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                                     **kwargs):
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    """
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    Reduce srcset when creating a PDF.
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    Because sphinx-gallery runs *very* early, we cannot modify this even in the
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    earliest builder-inited signal. Thus we do it at scraping time.
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    """
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    from sphinx_gallery.scrapers import matplotlib_scraper
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    if gallery_conf['builder_name'] == 'latex':
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        gallery_conf['image_srcset'] = []
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    return matplotlib_scraper(block, block_vars, gallery_conf, **kwargs)
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# Clear basic_units module to re-register with unit registry on import.
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def clear_basic_units(gallery_conf, fname):
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    return sys.modules.pop('basic_units', None)
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