51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
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#!/usr/bin/python3
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# Copyright © 2021, Bradley M. Kuhn
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# Also copyrighted by others as well (no notices shared), and it is
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# Licensed CC-BY-SA-4.0 because I borrowed an example from: https://www.py4u.net/discuss/208440
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import sys
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import re
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from pathlib import Path
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INLINE_LINK_RE = re.compile(r'\[([^\]]+)\]\(([^)]+)\)')
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FOOTNOTE_LINK_TEXT_RE = re.compile(r'\[([^\]]+)\]\[(\d+)\]')
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FOOTNOTE_LINK_URL_RE = re.compile(r'\[(\d+)\]:\s+(\S+)')
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def find_md_links(md):
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""" Return dict of links in markdown """
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links = list(INLINE_LINK_RE.findall(md))
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footnote_links = dict(FOOTNOTE_LINK_TEXT_RE.findall(md))
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footnote_urls = dict(FOOTNOTE_LINK_URL_RE.findall(md))
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for key in footnote_links.keys():
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links.append((footnote_links[key], footnote_urls[footnote_links[key]]))
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return links
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body_markdown = sys.stdin.read()
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for (text, link) in find_md_links(body_markdown):
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errMsg = None
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if not re.match(r'^(mailto|http|ftp|#)', link, re.IGNORECASE):
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path = Path(link)
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if not path.is_file():
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errMsg = "local file by that name does not exist for relative file link"
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# FIXME: test other types of links
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if errMsg:
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print("Bad link of \"%s\" (labeled as \"%s\") has error: %s" % (link, text, errMsg))
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exit(0)
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# Below doesn't work, didn't have time to find out why
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import markdown
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from lxml import etree
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import sys
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body_markdown = sys.stdin.read()
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print(markdown.markdown(body_markdown))
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doc = etree.fromstring(body)
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for link in doc.xpath('//a'):
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print(link.text, link.get('href'))
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