def to_xml(self, value):
"""Convert image data to be stored in a XML file, the image is enconded
in base64. Image name and enconded value are returned."""
img = image_to_b64(self._model(value).value)
if img is not None:
name, value = img
return {'file_name': name, 'value': value}
else:
return {'value': value}
def to_xml(self, out, encoding=settings.DEFAULT_CHARSET):
"""Exports page data in a XML formated file. It stores
page info as first item and value data following it.
Files are base64 encoded and exported too.
Example:
<cms-page>
<page path="/path/" template="homepage" description="Homepage"
locale="en-gb" meta_title="Title" meta_description="Description"
meta_keywords="Keywords" search_image="base64 encoded image"
search_image_name="file name of search image"
search_text="Search text"></page>
<value name="heading" type="text" value="Page title"></value>
<value name="an_image" type="image" value="bas64 enconded"></value>
...
</cms-page>
"""
xml = SimplerXMLGenerator(out=out, encoding=encoding)
xml.startDocument()
xml.startElement("cms-page", {})
# store page info in first child
data = {
"path": self.path.path,
"template": self.template,
"description": self.description,
"locale": self.path.locale,
"meta_title": self.meta_title,
"meta_description": self.meta_description,
"meta_keywords": self.meta_keywords,
"search_text": self.search_text,
}
if self.search_image: # add image content if any
img = image_to_b64(self.search_image)
if img is not None:
name, content = img
data["search_image_name"] = name
data["search_image"] = content
xml.startElement("page", data)
xml.endElement("page")
# store values
values = self.values.values_list("name", "type", "value")
for name, value_type, value in values:
attrs = {"name": name, "type": value_type, "value": value}
if value_type in TYPES_MAP:
attrs.update(TYPES_MAP[value_type]().to_xml(value))
xml.startElement("value", attrs)
xml.endElement("value")
xml.endElement("cms-page")
xml.endDocument()
return out
