app/django/contrib/gis/shortcuts.py
author Sverre Rabbelier <srabbelier@gmail.com>
Mon, 10 Nov 2008 00:42:41 +0000
changeset 461 fca6a8b5ae34
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Partially use the new user code The 'edit self' is not working fully yet, the 'lookup' code is not working at all, as such, only 'create', 'edit', 'list', and 'delete' make use of the generic code.

import cStringIO, zipfile
from django.http import HttpResponse
from django.template import loader

def compress_kml(kml):
    "Returns compressed KMZ from the given KML string."
    kmz = cStringIO.StringIO()
    zf = zipfile.ZipFile(kmz, 'a', zipfile.ZIP_DEFLATED, False)
    zf.writestr('doc.kml', kml)
    zf.close()
    kmz.seek(0)
    return kmz.read()

def render_to_kml(*args, **kwargs):
    "Renders the response as KML (using the correct MIME type)."
    return HttpResponse(loader.render_to_string(*args, **kwargs),
                        mimetype='application/vnd.google-earth.kml+xml kml')

def render_to_kmz(*args, **kwargs):
    """
    Compresses the KML content and returns as KMZ (using the correct 
    MIME type).
    """
    return HttpResponse(compress_kml(loader.render_to_string(*args, **kwargs)),
                        mimetype='application/vnd.google-earth.kmz')


def render_to_text(*args, **kwargs):
    "Renders the response using the MIME type for plain text."
    return HttpResponse(loader.render_to_string(*args, **kwargs),
                        mimetype='text/plain')