app/django/contrib/gis/shortcuts.py
author Sverre Rabbelier <srabbelier@gmail.com>
Sat, 22 Nov 2008 14:53:23 +0000
changeset 555 3cdfb42d941b
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Split the list view code up in three pieces 1. getListContents which returns the required contents dictionary 2. _list which returns the response for a specified list of contents 3. list which constructs just one content dict and passes it to _list This way it is easier to do step 1 and 2 in other code than list(), which makes it possible to display multiple list pages (by calling getListContents multiple times and passing the result to _list).
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import cStringIO, zipfile
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from django.http import HttpResponse
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from django.template import loader
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def compress_kml(kml):
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    "Returns compressed KMZ from the given KML string."
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    kmz = cStringIO.StringIO()
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    zf = zipfile.ZipFile(kmz, 'a', zipfile.ZIP_DEFLATED, False)
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    zf.writestr('doc.kml', kml)
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    zf.close()
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    kmz.seek(0)
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    return kmz.read()
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def render_to_kml(*args, **kwargs):
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    "Renders the response as KML (using the correct MIME type)."
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    return HttpResponse(loader.render_to_string(*args, **kwargs),
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                        mimetype='application/vnd.google-earth.kml+xml kml')
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def render_to_kmz(*args, **kwargs):
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    """
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    Compresses the KML content and returns as KMZ (using the correct 
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    MIME type).
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    """
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    return HttpResponse(compress_kml(loader.render_to_string(*args, **kwargs)),
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                        mimetype='application/vnd.google-earth.kmz')
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def render_to_text(*args, **kwargs):
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    "Renders the response using the MIME type for plain text."
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    return HttpResponse(loader.render_to_string(*args, **kwargs),
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                        mimetype='text/plain')