views.py 文件源码

def zip_export(request, username, id_string):
    owner = get_object_or_404(User, username__iexact=username)
    xform = get_object_or_404(XForm, id_string__iexact=id_string, user=owner)
    helper_auth_helper(request)
    if not has_permission(xform, owner, request):
        return HttpResponseForbidden(_(u'Not shared.'))
    if request.GET.get('raw'):
        id_string = None

    attachments = Attachment.objects.filter(instance__xform=xform)
    zip_file = None

    try:
        zip_file = create_attachments_zipfile(attachments)
        audit = {
            "xform": xform.id_string,
            "export_type": Export.ZIP_EXPORT
        }
        audit_log(
            Actions.EXPORT_CREATED, request.user, owner,
            _("Created ZIP export on '%(id_string)s'.") %
            {
                'id_string': xform.id_string,
            }, audit, request)
        # log download as well
        audit_log(
            Actions.EXPORT_DOWNLOADED, request.user, owner,
            _("Downloaded ZIP export on '%(id_string)s'.") %
            {
                'id_string': xform.id_string,
            }, audit, request)
        if request.GET.get('raw'):
            id_string = None

        response = response_with_mimetype_and_name('zip', id_string)
        response.write(FileWrapper(zip_file))
        response['Content-Length'] = zip_file.tell()
        zip_file.seek(0)
    finally:
        zip_file and zip_file.close()

    return response