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41 lines
1.0 KiB
Python
41 lines
1.0 KiB
Python
5 years ago
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import zipfile
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from io import BytesIO
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from django.conf import settings
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from django.http import HttpResponse
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from django.template import loader
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# NumPy supported?
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try:
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import numpy
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except ImportError:
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numpy = False
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def compress_kml(kml):
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"Return compressed KMZ from the given KML string."
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kmz = BytesIO()
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with zipfile.ZipFile(kmz, 'a', zipfile.ZIP_DEFLATED) as zf:
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zf.writestr('doc.kml', kml.encode(settings.DEFAULT_CHARSET))
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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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"Render the response as KML (using the correct MIME type)."
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return HttpResponse(
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loader.render_to_string(*args, **kwargs),
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content_type='application/vnd.google-earth.kml+xml',
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)
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def render_to_kmz(*args, **kwargs):
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"""
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Compress the KML content and return as KMZ (using the correct
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MIME type).
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"""
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return HttpResponse(
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compress_kml(loader.render_to_string(*args, **kwargs)),
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content_type='application/vnd.google-earth.kmz',
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)
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