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# Copyright (c) The PyAMF Project.
# See LICENSE.txt for details.
import glob
import os.path
import tempfile
from django.http import HttpResponse, get_host
from pyamf.flex import ArrayCollection
from python import gateway
max_result = 50
file_types = 'jpg,png'
base_url = 'http://%s/images/'
def get_snapshots(http_request):
"""
Gets a list of snapshots in the images dir.
@return: list with 3 elements: URL of image folder, allowed filetypes and
the L{ArrayCollection} of snapshots
"""
url = base_url % get_host(http_request)
extensions = file_types.split(',')
l = []
for type in extensions:
location = os.path.join(gateway.images_root, '*.' + type.strip())
for img in glob.glob(location):
name = img[len(gateway.images_root) + 1:]
obj = {
'name': name
}
l.append(obj)
l.reverse()
return [url, extensions, ArrayCollection(l[:max_result])]
def save_snapshot(http_request, image, type):
"""
Saves an image to the static image dir.
@param image: A L{pyamf.amf3.ByteArray} instance
"""
fp = tempfile.mkstemp(dir=gateway.images_root, prefix='snapshot_',
suffix='.' + type)
fp = open(fp[1], 'wb+')
fp.write(image.getvalue())
fp.close()
url = base_url % get_host(http_request)
name = fp.name[len(gateway.images_root) + 1:]
return {
'url': url + name,
'name': name
}
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