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# -*- coding: utf-8 -*-
# Copyright © 2015 Chris Warrick and others.
# 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.
from __future__ import unicode_literals, print_function
import io
import lxml.html
from pkg_resources import resource_filename
from mako.template import Template
from nikola.plugin_categories import Command
class CommandRst2Html(Command):
"""Compile reStructuredText to HTML, using Nikola architecture."""
name = "rst2html"
doc_usage = "infile"
doc_purpose = "compile reStructuredText to HTML files"
needs_config = False
def _execute(self, options, args):
"""Compile reStructuredText to standalone HTML files."""
compiler = self.site.plugin_manager.getPluginByName('rest', 'PageCompiler').plugin_object
if len(args) != 1:
print("This command takes only one argument (input file name).")
return 2
source = args[0]
with io.open(source, "r", encoding="utf8") as in_file:
data = in_file.read()
output, error_level, deps = compiler.compile_html_string(data, source, True)
rstcss_path = resource_filename('nikola', 'data/themes/base/assets/css/rst.css')
with io.open(rstcss_path, "r", encoding="utf8") as fh:
rstcss = fh.read()
template_path = resource_filename('nikola', 'plugins/command/rst2html/rst2html.tmpl')
template = Template(filename=template_path)
template_output = template.render(rstcss=rstcss, output=output)
parser = lxml.html.HTMLParser(remove_blank_text=True)
doc = lxml.html.document_fromstring(template_output, parser)
html = b'<!DOCTYPE html>\n' + lxml.html.tostring(doc, encoding='utf8', method='html', pretty_print=True)
print(html)
if error_level < 3:
return 0
else:
return 1
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