50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
import json
|
|
|
|
from x_module import XModule, XModuleDescriptor
|
|
from lxml import etree
|
|
|
|
|
|
class ModuleDescriptor(XModuleDescriptor):
|
|
pass
|
|
|
|
|
|
class Module(XModule):
|
|
"""
|
|
This module supports tags of the form
|
|
<customtag option="val" option2="val2">
|
|
<impl>$tagname</impl>
|
|
</customtag>
|
|
|
|
In this case, $tagname should refer to a file in data/custom_tags, which contains
|
|
a mako template that uses ${option} and ${option2} for the content.
|
|
|
|
For instance:
|
|
|
|
data/custom_tags/book::
|
|
More information given in <a href="/book/${page}">the text</a>
|
|
|
|
course.xml::
|
|
...
|
|
<customtag page="234"><impl>book</impl></customtag>
|
|
...
|
|
|
|
Renders to::
|
|
More information given in <a href="/book/234">the text</a>
|
|
"""
|
|
def get_state(self):
|
|
return json.dumps({})
|
|
|
|
@classmethod
|
|
def get_xml_tags(c):
|
|
return ['customtag']
|
|
|
|
def get_html(self):
|
|
return self.html
|
|
|
|
def __init__(self, system, xml, item_id, state=None):
|
|
XModule.__init__(self, system, xml, item_id, state)
|
|
xmltree = etree.fromstring(xml)
|
|
filename = xmltree.find('impl').text
|
|
params = dict(xmltree.items())
|
|
self.html = self.system.render_template(filename, params, namespace='custom_tags')
|