def _render_json(self, path, stylesname, templatename, jsondata, extras,
searcher):
# Render the page template
kwargs = {
"path": path,
"basepath": paths.basepath(path),
"is_index_page": self.is_index_page(path),
"rel": util.make_rel_fn(path, self.index_page_name),
"searcher": searcher,
}
if extras:
kwargs.update(extras)
# Create a function to render JSON to HTML
stylesname = stylesname or self.page_style
styleobj = self.style(stylesname)
stylectx, render = styleobj.context_and_function(path, jsondata, kwargs)
# Create a function to apply the stylesheet to a given object
def render_styles(obj):
return render(stylectx, obj)
# Get the page template
template = self._template_for_page(templatename, jsondata)
html = template.render(docroot=jsondata, render_styles=render_styles,
**kwargs)
return html
def context_and_function(self, basepath, jsondata, extras=None):
"""
Returns a Jinja context function you can use to transform a JSON
document using the rules contained in this style's template.
"""
template = self.template()
# Create the render function
@jinja2.contextfunction
def render(jinctx, obj):
if isinstance(obj, dict):
# Look for a rule named <type>_rule, then <role>_rule
rule = None
for prefix in (obj.get("type"), obj.get("role")):
if not prefix:
continue
macroname = "%s_rule" % prefix
if macroname in jinctx.exported_vars:
rule = jinctx.vars[macroname]
break
if rule is None:
if "default" in jinctx.exported_vars:
rule = jinctx.vars["default"]
else:
return self.default_rule(jinctx, obj, render)
return rule(obj)
elif isinstance(obj, (list, tuple)) or inspect.isgenerator(obj):
return functions.string(render(jinctx, o) for o in obj)
else:
return escape(functions.string(obj))
kwargs = {
"rel": util.make_rel_fn(basepath, self.index_page_name),
"render": render,
"docroot": jsondata,
}
if extras:
kwargs.update(extras)
# Create a new Jinja context
jinjactx = template.new_context(vars=kwargs)
# Run the style template to evaluate the rule definitions
list(template.root_render_func(jinjactx))
return jinjactx, render
def tag_page(tag):
pages = get_wikipages()
indexer = get_indexer()
pagepath = "/tags/" + tag
spath = pages.source_path(pagepath)
if pages.exists(spath):
return show(pagepath)
else:
searcher = indexer.searcher()
docs = searcher.documents(tags=tag)
tagcloud = searcher.tag_cloud()
rel = util.make_rel_fn(pagepath, pages.index_page_name)
return flask.render_template("/templates/tag.jinja2", rel=rel, tag=tag,
docs=docs, tagcloud=tagcloud)
