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# Copyright (c) 2012 Roberto Alsina y otros.
# Permission is hereby granted, free of charge, to any
# person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the
# Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the
# Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice
# shall be included in all copies or substantial portions of
# the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""Implementation of compile_html based on markdown."""
import codecs
import os
import re
try:
from markdown import markdown
except ImportError:
markdown = None
from nikola.plugin_categories import PageCompiler
class CompileMarkdown(PageCompiler):
"""Compile markdown into HTML."""
name = "markdown"
def compile_html(self, source, dest):
if markdown is None:
raise Exception('To build this site, you need to install the "markdown" package.')
try:
os.makedirs(os.path.dirname(dest))
except:
pass
with codecs.open(dest, "w+", "utf8") as out_file:
with codecs.open(source, "r", "utf8") as in_file:
data = in_file.read()
output = markdown(data, ['fenced_code', 'codehilite'])
# remove the H1 because there is "title" h1.
output = re.sub(r'<h1>.*</h1>', '', output)
# python-markdown's highlighter uses the class 'codehilite' to wrap
# code, # instead of the standard 'code'. None of the standard
# pygments stylesheets use this class, so swap it to be 'code'
output = re.sub(r'(<div[^>]+class="[^"]*)codehilite([^>]+)',
r'\1code\2', output)
out_file.write(output)
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