web/ldt/ldt_utils/views.py
author ymh <ymh.work@gmail.com>
Wed, 15 Sep 2010 15:07:08 +0200
changeset 60 a8ad7ebf5902
parent 42 71c93982463f
child 62 39b2dab4f939
permissions -rw-r--r--
various update and splitmedia from content
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import django.core.urlresolvers
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from django.http import HttpResponse, HttpResponseRedirect
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from django.shortcuts import render_to_response, get_object_or_404, get_list_or_404
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from django.template import RequestContext
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from django.core.urlresolvers import reverse
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from django.contrib.auth.decorators import login_required
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from django.conf import settings
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from django.core import serializers
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from django.utils import simplejson
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from django.utils.html import escape
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from fileimport import *
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from forms import LdtImportForm, LdtAddForm, SearchForm, AddProjectForm, CopyProjectForm, ContentForm
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from ldt.core.models import Owner
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from models import *
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from utils import *
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from contentindexer import *
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from projectserializer import *
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from string import Template
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from Ft.Xml import MarkupWriter
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import cgi
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import uuid
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import base64
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import lucene
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import xml.dom
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import xml.dom.ext
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import xml.dom.minidom
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def searchForm(request):
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    form = SearchForm()
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    return render_to_response('ldt/ldt_utils_utils/search_form.html',{'form': form} , context_instance=RequestContext(request))    
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def searchIndex(request):
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    sform = SearchForm(request.POST)
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    if sform.is_valid():
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        search = sform.cleaned_data["search"]
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        queryStr = base64.urlsafe_b64encode(search.encode('utf8'))
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        field = request.POST["field"]
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        language_code = request.LANGUAGE_CODE[:2]
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        url = settings.WEB_URL + django.core.urlresolvers.reverse("ldt.ldt_utils.views.searchInit", args=[field, queryStr])
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        return render_to_response('ldt/ldt_utils/init_ldt.html', {'MEDIA_URL': settings.MEDIA_URL, 'colorurl': settings.MEDIA_URL+'swf/ldt/pkg/color.xml', 'i18nurl': settings.MEDIA_URL+'swf/ldt/pkg/i18n', 'language': language_code, 'baseurl': settings.MEDIA_URL+'swf/ldt/', 'url': url}, context_instance=RequestContext(request))
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    else:
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        resp = HttpResponse()
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        resp.write("<html><head></head><body>Error : No result</body></html>");
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def searchIndexGet(request, field, query):
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    language_code = request.LANGUAGE_CODE[:2]
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    url = settings.WEB_URL + django.core.urlresolvers.reverse("ldt.ldt_utils.views.searchInit", args=[field, query])
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    return render_to_response('irisuser/ldt/init_ldt.html', {'MEDIA_URL': settings.MEDIA_URL, 'colorurl': settings.MEDIA_URL+'swf/ldt/pkg/color.xml', 'i18nurl': settings.MEDIA_URL+'swf/ldt/pkg/i18n', 'language': language_code, 'baseurl': settings.MEDIA_URL+'swf/ldt/', 'url': url}, context_instance=RequestContext(request))
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def searchInit(request, field, query):
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    ldtgen = LdtUtils()
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    doc = ldtgen.generateInit([field,query], 'ldt.ldt_utils.views.searchLdt', 'ldt.ldt_utils.views.searchSegments')
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    resp = HttpResponse(mimetype="text/xml;charset=utf-8")
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    xml.dom.ext.PrettyPrint(doc, resp)
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    return resp
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def searchLdt(request, field, query, edition=None):
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    contentList = []
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    resp = HttpResponse(mimetype="text/xml")
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    queryStr = ""
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    if query and len(query)>0:        
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        queryStr = base64.urlsafe_b64decode(query.encode("ascii")).decode("utf8")
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        searcher = LdtSearch()
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        ids = {}
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        for result in searcher.query(field, queryStr):
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            ids[result["iri_id"]] = ""            
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        id_list = ids.keys()
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        if edition is not None:
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            ids_editions = map(lambda t:t[0], filter(lambda id: id[0] is not None, Speak.objects.filter(session__day__edition=edition).order_by("session__start_ts", "order").values_list("content__iri_id")))            
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            id_list = filter(lambda id: id in id_list, ids_editions)
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        contentList = Content.objects.filter(iri_id__in=id_list)        
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    ldtgen = LdtUtils()
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    ldtgen.generateLdt(contentList, file=resp, title = u"Recherche : " + queryStr)
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    return resp
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def searchSegments(request, field, query, edition=None):
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    if query and len(query)>0:
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        searcher = LdtSearch()
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        queryStr = base64.urlsafe_b64decode(query.encode("ascii")).decode("utf8")
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        res = searcher.query(field, queryStr)
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    else:
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        res = []
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    iri_ids = None
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    if edition is not None:
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        iri_ids = map(lambda t:t[0], filter(lambda id: id[0] is not None, Speak.objects.filter(session__day__edition=edition).order_by("session__start_ts", "order").values_list("content__iri_id")))
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    doc = xml.dom.getDOMImplementation().createDocument(None, "iri", None)
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    for resultMap in res:
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        if iri_ids is None or resultMap['iri_id'] in iri_ids:
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            elem = doc.createElement('seg')
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            elem.setAttribute('idctt', resultMap['iri_id'])
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            elem.setAttribute('idens', resultMap['ensemble_id'])
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            elem.setAttribute('iddec', resultMap['decoupage_id'])
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            elem.setAttribute('idseg', resultMap['element_id'])
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            elem.setAttribute('idvue', "")
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            elem.setAttribute('crit', "")
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            doc.documentElement.appendChild(elem)
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    return HttpResponse(doc.toprettyxml(encoding='utf-8'), mimetype="text/xml;charset=utf-8")
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@login_required         
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def list_ldt(request):
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    contents = Content.objects.all()
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    try:
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        owner = Owner.objects.get(user=request.user)
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    except:
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        return HttpResponseRedirect(settings.LOGIN_URL)
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    ldtProjects = Project.objects.filter(owner=owner)
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    context={
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    'contents': contents,
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    'projects': ldtProjects.reverse(),
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    }
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    return render_to_response('ldt/ldt_utils/ldt_list.html', context, context_instance=RequestContext(request))
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@login_required         
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def list_content(request):
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    contents = Content.objects.all()
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    context={
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        'contents': contents,
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    }
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    return render_to_response('ldt/ldt_utils/content_list.html', context, context_instance=RequestContext(request))
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@login_required
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def create_ldt_view(request):
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    if request.method == "POST" :
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        form = LdtAddForm(request.POST)
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        if form.is_valid():
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            user = request.user
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            Project.create_project(title=form.cleaned_data['title'], user=user, contents=form.cleaned_data['contents'])
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            return HttpResponseRedirect(reverse("ldt.ldt_utils.views.list_ldt"))
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    else:
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        form = LdtAddForm()
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        contents = Content.objects.all()    
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        return render_to_response('ldt/ldt_utils/create_ldt.html', {'contents': contents, 'form': form,'create_project_action':reverse(create_ldt_view)}, context_instance=RequestContext(request))
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def created_ldt(request):
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    return render_to_response('ldt/ldt_utils/done.html', context_instance=RequestContext(request))
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def indexProject(request, id):
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    urlStr = settings.WEB_URL + reverse("space_ldt_init", args=['ldtProject', id])
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    posturl= settings.WEB_URL + reverse("ldt.ldt_utils.views.save_ldtProject")
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    language_code = request.LANGUAGE_CODE[:2]
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    ldt = get_object_or_404(Project, ldt_id=id)
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    if ldt.state ==2: #published
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        readonly = 'true'
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    else:
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        readonly = 'false'
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    return render_to_response('ldt/ldt_utils/init_ldt.html', {'MEDIA_URL': settings.MEDIA_URL, 'colorurl': settings.MEDIA_URL+'swf/ldt/pkg/color.xml', 'i18nurl': settings.MEDIA_URL+'swf/ldt/pkg/i18n', 'language': language_code, 'baseurl': settings.MEDIA_URL+'swf/ldt/', 'url': urlStr, 'posturl': posturl, 'id': id, 'readonly': readonly}, context_instance=RequestContext(request))
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def init(request, method, url):
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    ldtgen = LdtUtils()
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    doc = ldtgen.generateInit([url], 'ldt.ldt_utils.views.'+method, None)
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    resp = HttpResponse(mimetype="text/xml")
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    resp['Cache-Control']='no-cache, must-revalidate'
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    resp['Pragma']='no-cache'
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    xml.dom.ext.PrettyPrint(doc, resp)
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    return resp
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def ldtProject(request, id):
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    resp = HttpResponse(mimetype="text/xml")
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    resp['Cache-Control']='no-cache, must-revalidate'
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    resp['Pragma']='no-cache'
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    project = Project.objects.get(ldt_id=id)
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    resp.write(project.ldt)
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    return resp
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def project_json_id(request, id):
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    project = get_object_or_404(Project,ldt_id=id)
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    return project_json(request, project)
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def project_json_externalid(request, id):
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    res_proj = get_list_or_404(Project.objects.order_by('-modification_date'),contents__external_id = id)
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    return project_json(request, res_proj[0])
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def project_json(request, project):
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    mimetype = request.REQUEST.get("mimetype")
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    if mimetype is None:
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        mimetype = "application/json; charset=utf-8"
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    else:
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        mimetype = mimetype.encode("utf-8")
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    if "charset" not in mimetype:
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        mimetype += "; charset=utf-8" 
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    resp = HttpResponse(mimetype=mimetype)
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    resp['Cache-Control']='no-cache, must-revalidate'
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    resp['Pragma']='no-cache'
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    indent = request.REQUEST.get("indent")
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    if indent is None:
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        indent = settings.LDT_JSON_DEFAULT_INDENT
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    else:
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        indent = int(indent)
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    callback = request.REQUEST.get("callback")
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    escape_str = request.REQUEST.get("escape")
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    escape_bool = False
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    if escape_str:
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        escape_bool = {'true': True, 'false': False, "0": False, "1": True}.get(escape_str.lower())
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    ps = ProjectSerializer(project)
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    project_dict = ps.serialize_to_cinelab()
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    json_str = simplejson.dumps(project_dict, ensure_ascii=False, indent=indent)
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    if callback is not None:
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        json_str = "%s(%s)" % (callback,json_str)
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    if escape_bool:
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        json_str = escape(json_str)
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    resp.write(json_str)
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    return resp
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def save_ldtProject(request):
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    if request.method=="POST":
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        ldt = request.POST['ldt']
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        id = request.POST['id']
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        ldtproject=Project.objects.get(ldt_id=id)
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        #save xml ldt
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        ldtproject.ldt=ldt
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        #get new title
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        dom = xml.dom.minidom.parseString(ldt.encode( "utf-8" ))
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        con = xml.xpath.Context.Context(dom, 1, 1, None)
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        result = xml.xpath.Evaluate("/iri/project",context=con)
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        for pnode in result:
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            title=pnode.getAttribute("title")
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            break
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        #set new title
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        ldtproject.title=title
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        #get new content list
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        new_contents=[]
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        result = xml.xpath.Evaluate("/iri/medias/media", context=con)
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        for medianode in result:
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            id = medianode.attributes['id'].value
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            new_contents.append(id)
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        # set new content list
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        for c in ldtproject.contents.all():
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            if not c.iri_id in new_contents:
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                ldtproject.contents.remove(c)           
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        ldtproject.save()
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    else:
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        ldt = ''
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    return render_to_response('ldt/ldt_utils/save_done.html', {'ldt': ldt, 'id':id, 'title':title, 'contents': new_contents}, context_instance=RequestContext(request))
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@login_required    
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def publish(request, id, redirect=True):
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    ldt = get_object_or_404(Project, ldt_id=id)
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    ldt.state = 2 #published
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    ldt.save()
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    redirect = boolean_convert(redirect)
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    if redirect:
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        return HttpResponseRedirect(reverse("ldt.ldt_utils.views.list_ldt"))
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    else:
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        return HttpResponse(simplejson.dumps({'res':True, 'ldt': {'id': ldt.id, 'state':ldt.state,'ldt_id': ldt.ldt_id}}, ensure_ascii=False),mimetype='application/json')
0
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@login_required    
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def unpublish(request, id, redirect=True):
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    ldt = get_object_or_404(Project, ldt_id=id)
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    ldt.state = 1 #edition
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    ldt.save()
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    redirect = boolean_convert(redirect)
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    if redirect:
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        return HttpResponseRedirect(reverse("ldt.ldt_utils.views.list_ldt"))
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    else:
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        return HttpResponse(simplejson.dumps({'res':True, 'ldt': {'id': ldt.id, 'state':ldt.state,'ldt_id': ldt.ldt_id}}, ensure_ascii=False),mimetype='application/json')
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def index(request, url):
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    urlStr = settings.WEB_URL + reverse("ldt_init", args=['ldt',url])
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    language_code = request.LANGUAGE_CODE[:2]
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    return render_to_response('ldt/ldt_utils/init_ldt.html', {'MEDIA_URL': settings.MEDIA_URL, 'colorurl': settings.MEDIA_URL+'swf/ldt/pkg/color.xml', 'i18nurl': settings.MEDIA_URL+'swf/ldt/pkg/i18n', 'language': language_code, 'baseurl': settings.MEDIA_URL+'swf/ldt/', 'url': urlStr, 'weburl':settings.WEB_URL+settings.BASE_URL}, context_instance=RequestContext(request))
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def ldt(request, url, startSegment = None):
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    import Ft
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    from Ft.Xml import MarkupWriter
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    resp = HttpResponse(mimetype="text/xml; charset=utf-8")
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    resp['Cache-Control'] = 'no-cache'
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    contentList = Content.objects.filter(iri_id=url)
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    ldtgen = LdtUtils()
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    ldtgen.generateLdt(contentList, file=resp, title = contentList[0].title, startSegment=startSegment)
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    return resp
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def loading(request):
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     return render_to_response('ldt/ldt_utils/loading.html', context_instance=RequestContext(request))
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@login_required
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def create_project(request, iri_id):
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    content = get_object_or_404(Content, iri_id=iri_id)
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    contents = [ content, ]
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    if request.method == "POST" :
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        form = AddProjectForm(request.POST)
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        if form.is_valid():
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            user=request.user
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            project = Project.create_project(title=form.cleaned_data['title'], user=user, contents=contents)
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            return HttpResponseRedirect(reverse('ldt.ldt_utils.views.indexProject', args=[project.ldt_id]))
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    else:
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        form = AddProjectForm()
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    return render_to_response('ldt/ldt_utils/create_ldt.html', {'form':form, 'contents':contents, 'iri_id':iri_id, 'create_project_action':reverse("ldt.ldt_utils.views.create_project",args=[iri_id])}, context_instance=RequestContext(request))
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@login_required
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def copy_project(request, ldt_id):
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    project = get_object_or_404(Project, ldt_id=ldt_id)
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    if request.method == "POST" :
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        form = CopyProjectForm(request.POST)
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        if form.is_valid():
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            user=request.user
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            project = project.copy_project(title=request.POST['title'], user=user)
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            return HttpResponseRedirect(reverse('ldt.ldt_utils.views.indexProject', args=[project.ldt_id]))
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    else:
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        form = CopyProjectForm
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    return render_to_response('ldt/ldt_utils/copy_ldt.html', {'form':form, 'project':project}, context_instance=RequestContext(request))
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def write_content_base(request):
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    form_status= 'none'        
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    if request.method =="POST":
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        content_form = ContentForm(request.POST, prefix="content")
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        media_form = MediaForm(request.POST, prefix="media")
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        media_valid = media_form.is_valid()
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        content_valid = content_form.is_valid()
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        if media_valid and content_valid :
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            media, created = Media.objects.get_or_create(src=media_form.cleaned_data['src'], defaults=media_form.cleaned_data)
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            if not created:
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                for attribute in ('external_id', 'external_permalink', 'external_publication_url', 'external_src_url', 'media_creation_date', 'videopath', 'duration', 'description', 'title'):
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                    setattr(media, attribute, media_form.cleaned_data.get(attribute))
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            media.save()
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            content_defaults = {'media': media }
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            content_defaults.update(content_form.cleaned_data)
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            content, created = Content.objects.get_or_create(iri_id = content_form.cleaned_data['iri_id'], defaults = content_defaults)
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            if not created:
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                for attribute in ('iriurl', 'title', 'description', 'duration', 'content_creation_date', 'tags', 'media'):
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                    setattr(content, attribute, content_defaults[attribute])
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            content.save()
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            form_status = 'saved'
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            media_form = MediaForm(instance=media, prefix="media")
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            content_form = ContentForm(instance=content, prefix="content")
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        else:
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            form_status = 'error'
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    else:
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        form_status = 'empty'
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        content_form = ContentForm(prefix="content")
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        media_form = MediaForm(prefix="media")
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    return content_form, media_form, form_status
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def write_content(request):
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    content_form, media_form, form_status = write_content_base(request)
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    return render_to_response('ldt/ldt_utils/create_content.html', {'content_form': content_form, 'media_form': media_form,'form_status': form_status,'create_content_action': reverse(write_content)}, context_instance=RequestContext(request))
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