75 lines
2.7 KiB
Python
75 lines
2.7 KiB
Python
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# Copyright (c) 2016-2024 Martin Donath <martin.donath@squidfunk.com>
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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from html.parser import HTMLParser
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# TODO: Refactor the `void` set into a common module and import it from there
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# and not from the search plugin.
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from material.plugins.search.plugin import void
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# -----------------------------------------------------------------------------
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# Classes
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# -----------------------------------------------------------------------------
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# Readtime parser
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class ReadtimeParser(HTMLParser):
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# Initialize parser
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def __init__(self):
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super().__init__(convert_charrefs = True)
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# Tags to skip
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self.skip = set([
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"object", # Objects
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"script", # Scripts
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"style", # Styles
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"svg" # SVGs
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])
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# Current context
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self.context = []
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# Keep track of text and images
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self.text = []
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self.images = 0
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# Called at the start of every HTML tag
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def handle_starttag(self, tag, attrs):
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# Collect images
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if tag == "img":
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self.images += 1
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# Ignore self-closing tags
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if tag not in void:
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# Add tag to context
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self.context.append(tag)
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# Called for the text contents of each tag
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def handle_data(self, data):
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# Collect text if not inside skip context
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if not self.skip.intersection(self.context):
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self.text.append(data)
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# Called at the end of every HTML tag
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def handle_endtag(self, tag):
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if self.context and self.context[-1] == tag:
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# Remove tag from context
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self.context.pop()
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