File: shortcuts.py

package info (click to toggle)
python-django 1%3A1.11.29-1~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 47,428 kB
  • sloc: python: 220,776; javascript: 13,523; makefile: 209; xml: 201; sh: 64
file content (45 lines) | stat: -rw-r--r-- 1,227 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
import zipfile
from io import BytesIO

from django.conf import settings
from django.http import HttpResponse
from django.template import loader

# NumPy supported?
try:
    import numpy
except ImportError:
    numpy = False


def compress_kml(kml):
    "Returns compressed KMZ from the given KML string."
    kmz = BytesIO()
    with zipfile.ZipFile(kmz, 'a', zipfile.ZIP_DEFLATED) as zf:
        zf.writestr('doc.kml', kml.encode(settings.DEFAULT_CHARSET))
    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),
        content_type='application/vnd.google-earth.kml+xml',
    )


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)),
        content_type='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), content_type='text/plain')