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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.
"""Jinja template handlers"""
import os
try:
import jinja2
except ImportError:
jinja2 = None
from nikola.plugin_categories import TemplateSystem
class JinjaTemplates(TemplateSystem):
"""Wrapper for Jinja2 templates."""
name = "jinja"
lookup = None
def set_directories(self, directories, cache_folder):
"""Createa template lookup."""
if jinja2 is None:
raise Exception('To use this theme you need to install the "Jinja2" package.')
self.lookup = jinja2.Environment(loader=jinja2.FileSystemLoader(
directories,
encoding='utf-8',
))
def render_template(self, template_name, output_name, context):
"""Render the template into output_name using context."""
if jinja2 is None:
raise Exception('To use this theme you need to install the "Jinja2" package.')
template = self.lookup.get_template(template_name)
output = template.render(**context)
if output_name is not None:
try:
os.makedirs(os.path.dirname(output_name))
except:
pass
with open(output_name, 'w+') as output:
output.write(output.encode('utf8'))
return output
def template_deps(self, template_name):
# FIXME: unimplemented
return []
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