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from webob import Response
from zope.component import queryUtility
from zope.interface import implements
from zope.interface import classProvides
from zope.deprecation import deprecated
from repoze.bfg.interfaces import IResponseFactory
from repoze.bfg.interfaces import ISettings
from repoze.bfg.interfaces import ITemplateRenderer
from repoze.bfg.interfaces import ITemplateRendererFactory
from repoze.bfg.templating import renderer_from_cache
from chameleon.genshi.template import GenshiTemplateFile
class GenshiTemplateRenderer(object):
classProvides(ITemplateRendererFactory)
implements(ITemplateRenderer)
def __init__(self, path, auto_reload=False):
self.template = GenshiTemplateFile(path, auto_reload=auto_reload)
def implementation(self):
return self.template
def __call__(self, **kw):
return self.template(**kw)
GenshiTemplateFactory = GenshiTemplateRenderer
deprecated('GenshiTemplateFactory',
('repoze.bfg.chameleon_genshi.GenshiTemplateFactory should now be '
'imported as repoze.bfg.chameleon_genshi.GenshiTemplateRenderer'))
def _auto_reload():
settings = queryUtility(ISettings)
auto_reload = settings and settings.reload_templates
return auto_reload
def get_template(path):
""" Return a ``chameleon.genshi`` template object at the
package-relative path (may also be absolute)"""
auto_reload = _auto_reload()
renderer = renderer_from_cache(path, GenshiTemplateRenderer,
auto_reload=auto_reload)
return renderer.implementation()
def get_renderer(path):
""" Return a ``chameleon.genshi`` template renderer at the
package-relative path (may also be absolute)"""
auto_reload = _auto_reload()
renderer = renderer_from_cache(path, GenshiTemplateRenderer,
auto_reload=auto_reload)
return renderer
def render_template(path, **kw):
""" Render a ``chameleon.genshi`` template at the package-relative
path (may also be absolute) using the kwargs in ``*kw`` as
top-level names and return a string."""
auto_reload = _auto_reload()
renderer = renderer_from_cache(path, GenshiTemplateRenderer,
auto_reload=auto_reload)
return renderer(**kw)
def render_template_to_response(path, **kw):
""" Render a ``chameleon.genshi`` template at the package-relative
path (may also be absolute) using the kwargs in ``*kw`` as
top-level names and return a Response object."""
auto_reload = _auto_reload()
renderer = renderer_from_cache(path, GenshiTemplateRenderer,
auto_reload=auto_reload)
result = renderer(**kw)
response_factory = queryUtility(IResponseFactory, default=Response)
return response_factory(result)
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