app/django/contrib/gis/shortcuts.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Mon, 03 Nov 2008 15:03:09 +0000
changeset 436 f3c313d54aa4
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Add missing TODOs to soc.logic.models classes. Fix comments format in base.Logic class. Changes based on comments to r972. http://code.google.com/p/soc/source/detail?r=972 Patch by: Pawel Solyga

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')