# Copyright (c) 2006 L. C. Rees. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of the Portable Site Information Project nor the names
# of its contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
'''HTML Template engine.'''
from webstring.etreet import EtreeHTML
from webstring.lxmlt import LxmlHTML
from webstring.wsgi import WSGIBase
__all__ = ['HTMLTemplate', 'WSGIHTMLTemplate', 'htmltemplate']
def htmltemplate(source, **kw):
'''Decorator for HTML templating for WSGI.'''
def decorator(application):
return WSGIHTMLTemplate(application, source, **kw)
return decorator
class HTMLTemplate(object):
'''HTML template class.'''
def __new__(cls, *args, **kw):
engine = kw.get('engine', 'etree')
if engine == 'lxml':
return LxmlHTML(*args, **kw)
elif engine == 'etree':
return EtreeHTML(*args, **kw)
class WSGIHTMLTemplate(WSGIBase):
'''WSGI middleware for using HTMLTemplate to render web content.'''
_format, _klass = 'html', HTMLTemplate
|