119 lines
4.0 KiB
Python
119 lines
4.0 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Galleria image collector
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"""
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import os
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import glob
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import logging
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from copy import copy
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from typing import Set
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from sphinx.environment.collectors import EnvironmentCollector
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from docutils import nodes
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from sphinx.application import Sphinx
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from sphinx.environment import BuildEnvironment
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from sphinx.util import FilenameUniqDict
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from sphinx.locale import __
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from .directive import galleria
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logger = logging.getLogger(__name__)
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class GalleriaCollector(EnvironmentCollector):
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""" Collect images for galleria """
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def clear_doc(
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self, app: Sphinx, env: BuildEnvironment, docname: str) -> None:
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if not hasattr(env, 'galleria'):
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env.galleria = FilenameUniqDict()
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if not hasattr(env, 'galleriathumbs'):
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env.galleriathumbs = FilenameUniqDict()
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env.galleria.purge_doc(docname)
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env.galleriathumbs.purge_doc(docname)
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def merge_other(
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self, app: Sphinx, env: BuildEnvironment,
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docnames: Set[str], other: BuildEnvironment) -> None:
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if not hasattr(env, 'galleria'):
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env.galleria = FilenameUniqDict()
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if not hasattr(other, 'galleria'):
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other.galleria = FilenameUniqDict()
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if not hasattr(env, 'galleriathumbs'):
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env.galleriathumbs = FilenameUniqDict()
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if not hasattr(other, 'galleriathumbs'):
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other.galleriathumbs = FilenameUniqDict()
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env.galleria.merge_other(docnames, other.galleria)
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env.galleriathumbs.merge_other(docnames, other.galleria)
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def process_doc(self, app: Sphinx, doctree: nodes.document) -> None:
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if not hasattr(app.env, 'galleria'):
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app.env.galleria = FilenameUniqDict()
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docname = app.env.docname
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for node in doctree.traverse(galleria):
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images = []
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for imageglob in node['images']:
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thumbsize = imageglob['thumbsize']
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size_array = []
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try:
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for size in thumbsize.split('x'):
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size_array.append(int(size))
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except ValueError:
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logger.error(
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__('thumbsize %s is invalid (use 100x120 format)'),
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thumbsize)
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raise
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del imageglob['thumbsize']
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glob_path = os.path.join(
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os.path.dirname(node.source),
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imageglob['path']
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)
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for image_path in glob.glob(glob_path):
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app.env.galleria.add_file(docname, image_path)
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basename, ext = os.path.splitext(image_path)
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thumb_path = basename + ".thumb-" + thumbsize + ext
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thumb_path_cropped = basename + ".thumb-" + thumbsize
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thumb_path_cropped += '.png'
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if ext.lower() in ('.svg', '.svgz'):
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thumb_path_cropped = image_path
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thumb_path = image_path
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jsonimage = copy(imageglob)
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jsonimage['thumbsize'] = size_array
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jsonimage['thumb'] = os.path.relpath(
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thumb_path_cropped,
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app.env.srcdir)
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jsonimage['path'] = os.path.relpath(
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image_path,
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app.env.srcdir
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)
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images.append(jsonimage)
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app.env.dependencies[docname].add(image_path)
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app.env.dependencies[docname].add(thumb_path_cropped)
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if not os.access(
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os.path.join(
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app.srcdir,
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image_path), os.R_OK):
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logger.warning(
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__('image file not readable %s') %
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image_path)
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app.env.galleria.add_file(docname, image_path)
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app.env.galleriathumbs.add_file(docname, thumb_path)
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node['images'] = images
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