8000 Drop retina images when building PDF docs by QuLogic · Pull Request #21890 · matplotlib/matplotlib · GitHub
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Drop retina images when building PDF docs #21890

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Dec 9, 2021
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Drop retina images when building PDF docs #21890

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16 changes: 16 additions & 0 deletions doc/conf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,21 @@ def _check_dependencies():

# Sphinx gallery configuration

def matplotlib_reduced_latex_scraper(block, block_vars, gallery_conf,
**kwargs):
"""
Reduce srcset when creating a PDF.

Because sphinx-gallery runs *very* early, we cannot modify this even in the
earliest builder-inited signal. Thus we do it at scraping time.
"""
from sphinx_gallery.scrapers import matplotlib_scraper

if gallery_conf['builder_name'] == 'latex':
gallery_conf['image_srcset'] = []
return matplotlib_scraper(block, block_vars, gallery_conf, **kwargs)


sphinx_gallery_conf = {
'examples_dirs': ['../examples', '../tutorials', '../plot_types'],
'filename_pattern': '^((?!sgskip).)*$',
Expand All @@ -183,6 +198,7 @@ def _check_dependencies():
'remove_config_comments': True,
'min_reported_time': 1,
'thumbnail_size': (320, 224),
'image_scrapers': (matplotlib_reduced_latex_scraper, ),
# Compression is a significant effort that we skip for local and CI builds.
'compress_images': ('thumbnails', 'images') if is_release_build else (),
'matplotlib_animations': True,
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