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# -*- coding: utf-8 -*-
"""
sphinx.util.template
~~~~~~~~~~~~~~~~~~~~
Templates utility functions for Sphinx.
:copyright: Copyright 2007-2016 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import os
from jinja2.sandbox import SandboxedEnvironment
from sphinx import package_dir
from sphinx.jinja2glue import SphinxFileSystemLoader
from sphinx.locale import get_translator
if False:
# For type annotation
from typing import Dict # NOQA
from jinja2.loaders import BaseLoader # NOQA
class BaseRenderer(object):
def __init__(self, loader=None):
# type: (BaseLoader) -> None
self.env = SandboxedEnvironment(loader=loader, extensions=['jinja2.ext.i18n'])
self.env.filters['repr'] = repr
self.env.install_gettext_translations(get_translator()) # type: ignore
def render(self, template_name, context):
# type: (unicode, Dict) -> unicode
return self.env.get_template(template_name).render(context)
def render_string(self, source, context):
# type: (unicode, Dict) -> unicode
return self.env.from_string(source).render(context)
class FileRenderer(BaseRenderer):
def __init__(self, search_path):
# type: (unicode) -> None
loader = SphinxFileSystemLoader(search_path)
super(FileRenderer, self).__init__(loader)
@classmethod
def render_from_file(cls, filename, context):
# type: (unicode, Dict) -> unicode
dirname = os.path.dirname(filename)
basename = os.path.basename(filename)
return cls(dirname).render(basename, context)
class SphinxRenderer(FileRenderer):
def __init__(self, template_path=None):
# type: (unicode) -> None
if template_path is None:
template_path = os.path.join(package_dir, 'templates')
super(SphinxRenderer, self).__init__(template_path)
@classmethod
def render_from_file(cls, filename, context):
# type: (unicode, Dict) -> unicode
return FileRenderer.render_from_file(filename, context)
class LaTeXRenderer(SphinxRenderer):
def __init__(self):
# type: () -> None
template_path = os.path.join(package_dir, 'templates', 'latex')
super(LaTeXRenderer, self).__init__(template_path)
# use JSP/eRuby like tagging instead because curly bracket; the default
# tagging of jinja2 is not good for LaTeX sources.
self.env.variable_start_string = '<%='
self.env.variable_end_string = '%>'
self.env.block_start_string = '<%'
self.env.block_end_string = '%>'
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