66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
"""
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Code to handle mako templating for XModules and XBlocks.
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"""
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from web_fragments.fragment import Fragment
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from .x_module import DescriptorSystem, XModuleDescriptor, shim_xmodule_js
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class MakoDescriptorSystem(DescriptorSystem):
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def __init__(self, render_template, **kwargs):
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super(MakoDescriptorSystem, self).__init__(**kwargs)
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self.render_template = render_template
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class MakoTemplateBlockBase(object):
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"""
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XBlock intended as a mixin that uses a mako template
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to specify the module html.
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Expects the descriptor to have the `mako_template` attribute set
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with the name of the template to render, and it will pass
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the descriptor as the `module` parameter to that template
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"""
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# pylint: disable=no-member
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def __init__(self, *args, **kwargs):
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super(MakoTemplateBlockBase, self).__init__(*args, **kwargs)
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if getattr(self.runtime, 'render_template', None) is None:
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raise TypeError(
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'{runtime} must have a render_template function'
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' in order to use a MakoDescriptor'.format(
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runtime=self.runtime,
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)
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)
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def get_context(self):
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"""
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Return the context to render the mako template with
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"""
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return {
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'module': self,
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'editable_metadata_fields': self.editable_metadata_fields
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}
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def studio_view(self, context): # pylint: disable=unused-argument
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"""
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View used in Studio.
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"""
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# pylint: disable=no-member
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fragment = Fragment(
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self.system.render_template(self.mako_template, self.get_context())
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)
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shim_xmodule_js(self, fragment)
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return fragment
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class MakoModuleDescriptor(MakoTemplateBlockBase, XModuleDescriptor): # pylint: disable=abstract-method
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"""
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Mixin to use for XModule descriptors.
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"""
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resources_dir = None
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def get_html(self):
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return self.studio_view(None).content
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