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- import bleach
- from bs4 import BeautifulSoup
- from htmlmin.minify import html_minify
- import markdown
- from misago.markup.bbcode import inline, blocks
- from misago.markup.pipeline import pipeline
- __all__ = ['parse']
- def parse(text, request, poster, allow_mentions=True, allow_links=True,
- allow_images=True, allow_blocks=True, minify=True):
- """
- Message parser
- Utility for flavours to call
- Breaks text into paragraphs, supports code, spoiler and quote blocks,
- headers, lists, images, spoilers, text styles
- Returns dict object
- """
- md = md_factory(allow_links=allow_links, allow_images=allow_images,
- allow_blocks=allow_blocks)
- parsing_result = {
- 'original_text': text,
- 'parsed_text': '',
- 'markdown': md,
- 'mentions': [],
- 'images': [],
- 'outgoing_links': [],
- 'inside_links': []
- }
- # Parse text
- parsed_text = md.convert(text)
- # Clean and store parsed text
- parsing_result['parsed_text'] = parsed_text.strip()
- if allow_links:
- linkify_paragraphs(parsing_result)
- if allow_links or allow_images:
- make_absolute_links_relative(parsing_result, request)
- parsing_result = pipeline.process_result(parsing_result)
- if minify:
- minify_result(parsing_result)
- return parsing_result
- def linkify_paragraphs(result):
- result['parsed_text'] = bleach.linkify(
- result['parsed_text'], skip_pre=True, parse_email=True)
- def make_absolute_links_relative(result, request):
- pass
- def minify_result(result):
- # [25:-14] trims <html><head></head><body> and </body></html>
- result['parsed_text'] = html_minify(result['parsed_text'])[25:-14]
- def md_factory(allow_links=True, allow_images=True, allow_blocks=True):
- """
- Create and configure markdown object
- """
- md = markdown.Markdown(safe_mode='escape',
- extensions=['nl2br'])
- # Remove references
- del md.preprocessors['reference']
- del md.inlinePatterns['reference']
- del md.inlinePatterns['image_reference']
- del md.inlinePatterns['short_reference']
- # Add [b], [i], [u]
- md.inlinePatterns.add('bb_b', inline.bold, '<strong')
- md.inlinePatterns.add('bb_i', inline.italics, '<emphasis')
- md.inlinePatterns.add('bb_u', inline.underline, '<emphasis2')
- if allow_links:
- # Add [url]
- pass
- else:
- # Remove links
- del md.inlinePatterns['link']
- del md.inlinePatterns['autolink']
- del md.inlinePatterns['automail']
- if allow_images:
- # Add [img]
- pass
- else:
- # Remove images
- del md.inlinePatterns['image_link']
- if allow_blocks:
- # Add [hr] [quote], [spoiler], [list] and [code] blocks
- md.parser.blockprocessors.add('bb_hr',
- blocks.BBCodeHRProcessor(md.parser),
- '>hr')
- else:
- # Remove blocks
- del md.parser.blockprocessors['hashheader']
- del md.parser.blockprocessors['setextheader']
- del md.parser.blockprocessors['code']
- del md.parser.blockprocessors['quote']
- del md.parser.blockprocessors['hr']
- del md.parser.blockprocessors['olist']
- del md.parser.blockprocessors['ulist']
- return pipeline.extend_markdown(md)
|
