| 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') |
