/crossdomain.xml with pyramid

crossdomain.py

from pyramid.path import AssetResolver
from pyramid.response import Response
from pyramid.view import view_config


@view_config(name="crossdomain.xml")
def crossdomain_view(request):
    """View for the crossdomain.xml file.

    Its sole purpose is to serve static/crossdomain.xml as
    http://myapp/crossdomain.xml (Flash only looks for cross-domain policies at
    the root of the server).
    """
    resolver = AssetResolver()
    asset = resolver.resolve("<package_name>:static/crossdomain.xml")
    response = Response(content_type="text/xml")
    response.app_iter = asset.stream()
    return response