48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
import logging
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from django.core.exceptions import ImproperlyConfigured
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from django.template.loader import get_template
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from django.template import Template, TemplateDoesNotExist
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from django.conf import settings
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from .base import BaseRenderer
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log = logging.getLogger(__name__)
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class TemplateRenderer(BaseRenderer):
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'''Base class providing basic functionalities to resolve the template from
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the renderer configuration.
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'''
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@classmethod
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def check_config(cls, config):
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super(TemplateRenderer, cls).check_config(config)
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if not 'template' in config and not 'template_name' in config:
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raise ImproperlyConfigured('{0} configuration is missing a template key: {1!r}'.format(
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cls.__name__, config))
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def render(self, context):
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if settings.TEMPLATE_DEBUG:
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context['__blurb'] = self
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return context
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def render_template(self):
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'''First try to get a template by path, then compile the inline
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template, and if none of that works show an error message.'''
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if 'template_name' in self.config:
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try:
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template = get_template(self.config['template_name'])
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except TemplateDoesNotExist:
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log.error('template not found: %r', self.config)
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template = 'cmsplugin_blurp/template_not_found.html'
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elif 'template' in self.config:
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template = Template(self.config['template'])
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if settings.TEMPLATE_DEBUG:
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if not hasattr(template, 'render'):
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template = get_template(template)
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debug_template = Template('<!-- DEBUG:\n{{ blurp_debug__ }}\n-->')
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template.nodelist.extend(debug_template.nodelist)
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return template
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