Python markdown 模块，util() 实例源码
我们从Python开源项目中，提取了以下4个代码示例，用于说明如何使用markdown.util()。
def resolve_url(self, url):
"""
Resolve internal URLs.
Returns None if the URL does not need changing,else returns the new URL.
"""
from markdown.util import AMP_SUBSTITUTE
if not url:
return None
if url.startswith(AMP_SUBSTITUTE):
# Possibly an overencoded mailto: link.
# see https://bugs.debian.org/816218
#
# Markdown then further escapes & with utils.AMP_SUBSTITUTE,so
# we look for it here.
return None
parsed = urlparse(url)
if parsed.scheme or parsed.netloc:
return None
if not parsed.path:
return None
dest = self.page.resolve_link(parsed.path)
# Also allow .md extension in
if dest is None and parsed.path.endswith(".md"):
dirname, basename = os.path.split(parsed.path)
if basename in ("index.md", "README.md"):
dest = self.page.resolve_link(dirname)
else:
dest = self.page.resolve_link(parsed.path[:-3])
if dest is None:
log.warn("%s: internal link %r does not resolve to any site page", self.page.src_relpath, url)
return None
return urlunparse(
(parsed.scheme, parsed.netloc, dest.dst_link, parsed.params, parsed.query, parsed.fragment)
)
def run(self, parent, blocks):
sibling = self.lastChild(parent)
block = blocks.pop(0)
block, theRest = self.detab(block)
block = block.rstrip()
block_is_html = False
if "<div " in block or "</" in block or "<span " in block:
block_is_html = True
if (sibling is not None and sibling.tag == "div"):
# The previous block was a code block. As blank lines do not start
# new code blocks,append this block to the previous,adding back
# linebreaks removed from the split into a list.
block_is_html = block_is_html and not isinstance(sibling.text, AtomicString)
block = u'\n'.join([sibling.text, block])
output = sibling
else:
# This is a new codeblock. Create the elements and insert text.
output = markdown.util.etree.SubElement(parent, 'div', {'class': 'code-output'})
# If not HTML,add the `pre` class so that we know to render output as raw text
if not block_is_html and 'pre' not in output.get('class', 'code-output'):
output.set('class', ' '.join([output.get('class', ''), 'pre']))
output.text = "{}\n".format(block) if block_is_html else AtomicString("{}\n".format(block))
if theRest:
# This block contained unindented line(s) after the first indented
# line. Insert these lines as the first block of the master blocks
# list for future processing.
blocks.insert(0, theRest)
def handleMatch(self, m):
node = markdown.util.etree.Element('mathjax')
node.text = markdown.util.AtomicString(m.group(2) + m.group(3) + m.group(2))
return node
def handleMatch(self, m):
node = markdown.util.etree.Element('mathjax')
node.text = markdown.util.AtomicString(m.group(2) + m.group(3) + m.group(2))
return node
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