Python context.get_extra函数代码示例

#.........这里部分代码省略.........
#        if t['thread__tags'] == 11:
#            print t['thread'], t['id']
#    import ipdb; ipdb.set_trace()

    #
    # Badges/Awards (TODO: refactor into Managers/QuerySets when a pattern emerges; Simplify when we get rid of Question&Answer models)
    #
    post_type = ContentType.objects.get_for_model(models.Post)

    user_awards = models.Award.objects.filter(user=user).select_related('badge')

    awarded_post_ids = []
    for award in user_awards:
        if award.content_type_id == post_type.id:
            awarded_post_ids.append(award.object_id)

    awarded_posts = models.Post.objects.filter(id__in=awarded_post_ids)\
                    .select_related('thread') # select related to avoid additional queries in Post.get_absolute_url()

    awarded_posts_map = {}
    for post in awarded_posts:
        awarded_posts_map[post.id] = post

    badges_dict = collections.defaultdict(list)

    for award in user_awards:
        if award.badge.is_enabled() == False:
            continue

        # Fetch content object
        if award.content_type_id == post_type.id:
            #here we go around a possibility of awards
            #losing the content objects when the content
            #objects are deleted for some reason
            awarded_post = awarded_posts_map.get(award.object_id, None)
            if awarded_post is not None:
                #protect from awards that are associated with deleted posts
                award.content_object = awarded_post
                award.content_object_is_post = True
            else:
                award.content_object_is_post = False
        else:
            award.content_object_is_post = False

        # "Assign" to its Badge
        badges_dict[award.badge].append(award)

    badges = badges_dict.items()
    badges.sort(key=operator.itemgetter(1), reverse=True)

    user_groups = models.Group.objects.get_for_user(user = user)
    user_groups = user_groups.exclude_personal()
    global_group = models.Group.objects.get_global_group()
    user_groups = user_groups.exclude(name=global_group.name)

    if request.user.pk == user.pk:
        groups_membership_info = user.get_groups_membership_info(user_groups)
    else:
        groups_membership_info = collections.defaultdict()

    data = {
        'active_tab':'users',
        'page_class': 'user-profile-page',
        'support_custom_avatars': ('avatar' in django_settings.INSTALLED_APPS),
        'tab_name' : 'stats',
        'page_title' : _('user profile overview'),
        'questions' : questions,
        'question_count': question_count,
        'q_paginator_context': q_paginator_context,

        'top_answers': top_answers,
        'top_answer_count': top_answer_count,
        'a_paginator_context': a_paginator_context,
        'page_size': const.USER_POSTS_PAGE_SIZE,

        'up_votes' : up_votes,
        'down_votes' : down_votes,
        'total_votes': up_votes + down_votes,
        'votes_today_left': votes_total - votes_today,
        'votes_total_per_day': votes_total,

        'user_tags' : user_tags,
        'user_groups': user_groups,
        'groups_membership_info': groups_membership_info,
        'interesting_tag_names': interesting_tag_names,
        'ignored_tag_names': ignored_tag_names,
        'subscribed_tag_names': subscribed_tag_names,
        'badges': badges,
        'total_badges' : len(badges),
    }
    context.update(data)

    extra_context = view_context.get_extra(
                                'ASKBOT_USER_PROFILE_PAGE_EXTRA_CONTEXT',
                                request,
                                context
                            )
    context.update(extra_context)

    return render(request, 'user_profile/user_stats.html', context)

def tags(request):#view showing a listing of available tags - plain list

    #1) Get parameters. This normally belongs to form cleaning.
    post_data = request.GET
    sortby = post_data.get('sort', 'used')
    try:
        page = int(post_data.get('page', '1'))
    except ValueError:
        page = 1

    if sortby == 'name':
        order_by = 'name'
    else:
        order_by = '-used_count'

    query = post_data.get('query', '').strip()
    tag_list_type = askbot_settings.TAG_LIST_FORMAT

    #2) Get query set for the tags.
    query_params = {'deleted': False}
    if query != '':
        query_params['name__icontains'] = query

    tags_qs = Tag.objects.filter(**query_params).exclude(used_count=0)

    tags_qs = tags_qs.order_by(order_by)

    #3) Start populating the template context.
    data = {
        'active_tab': 'tags',
        'page_class': 'tags-page',
        'tag_list_type' : tag_list_type,
        'stag' : query,
        'tab_id' : sortby,
        'keywords' : query,
        'search_state': SearchState(*[None for x in range(7)])
    }

    if tag_list_type == 'list':
        #plain listing is paginated
        objects_list = Paginator(tags_qs, DEFAULT_PAGE_SIZE)
        try:
            tags = objects_list.page(page)
        except (EmptyPage, InvalidPage):
            tags = objects_list.page(objects_list.num_pages)

        paginator_data = {
            'is_paginated' : (objects_list.num_pages > 1),
            'pages': objects_list.num_pages,
            'page': page,
            'has_previous': tags.has_previous(),
            'has_next': tags.has_next(),
            'previous': tags.previous_page_number(),
            'next': tags.next_page_number(),
            'base_url' : reverse('tags') + '?sort=%s&' % sortby
        }
        paginator_context = functions.setup_paginator(paginator_data)
        data['paginator_context'] = paginator_context
    else:
        #tags for the tag cloud are given without pagination
        tags = tags_qs
        font_size = extra_tags.get_tag_font_size(tags)
        data['font_size'] = font_size

    data['tags'] = tags
    data.update(context.get_extra('ASKBOT_TAGS_PAGE_EXTRA_CONTEXT', request, data))

    if request.is_ajax():
        template = get_template('tags/content.html')
        template_context = RequestContext(request, data)
        json_data = {'success': True, 'html': template.render(template_context)}
        json_string = simplejson.dumps(json_data)
        return HttpResponse(json_string, mimetype='application/json')
    else:
        return render(request, 'tags.html', data)

#.........这里部分代码省略.........
    reset_method_count = len(filter(None, [search_state.query, search_state.tags, meta_data.get('author_name', None)]))

    if request.is_ajax():
        q_count = paginator.count

        question_counter = ungettext('%(q_num)s question', '%(q_num)s questions', q_count)
        question_counter = question_counter % {'q_num': humanize.intcomma(q_count),}

        if q_count > page_size:
            paginator_tpl = get_template('main_page/paginator.html')
            paginator_html = paginator_tpl.render(
                RequestContext(
                    request, {
                        'context': functions.setup_paginator(paginator_context),
                        'questions_count': q_count,
                        'page_size' : page_size,
                        'search_state': search_state,
                    }
                )
            )
        else:
            paginator_html = ''

        questions_tpl = get_template('main_page/questions_loop.html')
        questions_html = questions_tpl.render(
            RequestContext(
                request, {
                    'threads': page,
                    'search_state': search_state,
                    'reset_method_count': reset_method_count,
                    'request': request
                }
            )
        )

        ajax_data = {
            'query_data': {
                'tags': search_state.tags,
                'sort_order': search_state.sort,
                'ask_query_string': search_state.ask_query_string(),
            },
            'paginator': paginator_html,
            'question_counter': question_counter,
            'faces': [],#[extra_tags.gravatar(contributor, 48) for contributor in contributors],
            'feed_url': context_feed_url,
            'query_string': search_state.query_string(),
            'page_size' : page_size,
            'questions': questions_html.replace('\n',''),
            'non_existing_tags': meta_data['non_existing_tags']
        }
        ajax_data['related_tags'] = [{
            'name': escape(tag.name),
            'used_count': humanize.intcomma(tag.local_used_count)
        } for tag in related_tags]

        return HttpResponse(simplejson.dumps(ajax_data), mimetype = 'application/json')

    else: # non-AJAX branch

        template_data = {
            'active_tab': 'questions',
            'author_name' : meta_data.get('author_name',None),
            'contributors' : contributors,
            'context' : paginator_context,
            'is_unanswered' : False,#remove this from template
            'interesting_tag_names': meta_data.get('interesting_tag_names', None),
            'ignored_tag_names': meta_data.get('ignored_tag_names', None),
            'subscribed_tag_names': meta_data.get('subscribed_tag_names', None),
            'language_code': translation.get_language(),
            'name_of_anonymous_user' : models.get_name_of_anonymous_user(),
            'page_class': 'main-page',
            'page_size': page_size,
            'query': search_state.query,
            'threads' : page,
            'questions_count' : paginator.count,
            'reset_method_count': reset_method_count,
            'scope': search_state.scope,
            'show_sort_by_relevance': conf.should_show_sort_by_relevance(),
            'search_tags' : search_state.tags,
            'sort': search_state.sort,
            'tab_id' : search_state.sort,
            'tags' : related_tags,
            'tag_list_type' : tag_list_type,
            'font_size' : extra_tags.get_tag_font_size(related_tags),
            'display_tag_filter_strategy_choices': conf.get_tag_display_filter_strategy_choices(),
            'email_tag_filter_strategy_choices': conf.get_tag_email_filter_strategy_choices(),
            'update_avatar_data': schedules.should_update_avatar_data(request),
            'query_string': search_state.query_string(),
            'search_state': search_state,
            'feed_url': context_feed_url,
        }

        extra_context = context.get_extra(
                                    'ASKBOT_QUESTIONS_PAGE_EXTRA_CONTEXT',
                                    request,
                                    template_data
                                )
        template_data.update(extra_context)

        return render(request, 'main_page.html', template_data)

def edit_answer(request, id):
    answer = get_object_or_404(models.Post, id=id)

    if askbot_settings.READ_ONLY_MODE_ENABLED:
        return HttpResponseRedirect(answer.get_absolute_url())

    revision = answer.get_latest_revision()

    class_path = getattr(settings, "ASKBOT_EDIT_ANSWER_FORM", None)
    if class_path:
        edit_answer_form_class = load_module(class_path)
    else:
        edit_answer_form_class = forms.EditAnswerForm

    try:
        request.user.assert_can_edit_answer(answer)
        if request.method == "POST":
            if request.POST["select_revision"] == "true":
                # user has changed revistion number
                revision_form = forms.RevisionForm(answer, revision, request.POST)
                if revision_form.is_valid():
                    # Replace with those from the selected revision
                    rev = revision_form.cleaned_data["revision"]
                    revision = answer.revisions.get(revision=rev)
                    form = edit_answer_form_class(answer, revision, user=request.user)
                else:
                    form = edit_answer_form_class(answer, revision, request.POST, user=request.user)
            else:
                form = edit_answer_form_class(answer, revision, request.POST, user=request.user)
                revision_form = forms.RevisionForm(answer, revision)

                if form.is_valid():
                    if form.has_changed():
                        user = form.get_post_user(request.user)
                        suppress_email = form.cleaned_data["suppress_email"]
                        is_private = form.cleaned_data.get("post_privately", False)
                        user.edit_answer(
                            answer=answer,
                            body_text=form.cleaned_data["text"],
                            revision_comment=form.cleaned_data["summary"],
                            wiki=form.cleaned_data.get("wiki", answer.wiki),
                            is_private=is_private,
                            suppress_email=suppress_email,
                            ip_addr=request.META.get("REMOTE_ADDR"),
                        )

                        signals.answer_edited.send(None, answer=answer, user=user, form_data=form.cleaned_data)

                    return HttpResponseRedirect(answer.get_absolute_url())
        else:
            revision_form = forms.RevisionForm(answer, revision)
            form = edit_answer_form_class(answer, revision, user=request.user)
            if request.user.can_make_group_private_posts():
                form.initial["post_privately"] = answer.is_private()

        data = {
            "page_class": "edit-answer-page",
            "active_tab": "questions",
            "answer": answer,
            "revision": revision,
            "revision_form": revision_form,
            "form": form,
        }
        extra_context = context.get_extra("ASKBOT_EDIT_ANSWER_PAGE_EXTRA_CONTEXT", request, data)
        data.update(extra_context)

        return render(request, "answer_edit.html", data)

    except exceptions.PermissionDenied, e:
        request.user.message_set.create(message=unicode(e))
        return HttpResponseRedirect(answer.get_absolute_url())

        'tab_id' : answer_sort_method,
        'favorited' : favorited,
        'similar_threads' : thread.get_similar_threads(),
        'language_code': translation.get_language(),
        'paginator_context' : paginator_context,
        'show_post': show_post,
        'show_comment': show_comment,
        'show_comment_position': show_comment_position,
    }
    #shared with ...
    if askbot_settings.GROUPS_ENABLED:
        data['sharing_info'] = thread.get_sharing_info()

    data.update(context.get_for_tag_editor())

    extra = context.get_extra('ASKBOT_QUESTION_PAGE_EXTRA_CONTEXT', request, data)
    data.update(extra)

    return render(request, 'question.html', data)

def revisions(request, id, post_type = None):
    assert post_type in ('question', 'answer')
    post = get_object_or_404(models.Post, post_type=post_type, id=id)
    revisions = list(models.PostRevision.objects.filter(post=post))
    revisions.reverse()
    for i, revision in enumerate(revisions):
        if i == 0:
            revision.diff = sanitize_html(revisions[i].html)
            revision.summary = _('initial version')
        else:
            revision.diff = htmldiff(

#.........这里部分代码省略.........
                'sort_order': search_state.sort,
                'ask_query_string': search_state.ask_query_string(),
            },
            'paginator': paginator_html,
            'question_counter': question_counter,
            'faces': [],#[extra_tags.gravatar(contributor, 48) for contributor in contributors],
            'feed_url': context_feed_url,
            'query_string': search_state.query_string(),
            'page_size' : search_state.page_size,
            'questions': questions_html.replace('\n',''),
            'non_existing_tags': meta_data['non_existing_tags'],
        }

        related_tags_tpl = get_template('widgets/related_tags.html')
        related_tags_data = {
            'tags': related_tags,
            'tag_list_type': tag_list_type,
            'query_string': search_state.query_string(),
            'search_state': search_state,
            'language_code': translation.get_language(),
        }
        if tag_list_type == 'cloud':
            related_tags_data['font_size'] = extra_tags.get_tag_font_size(related_tags)

        ajax_data['related_tags_html'] = related_tags_tpl.render(
            RequestContext(request, related_tags_data)
        )

        #here we add and then delete some items
        #to allow extra context processor to work
        ajax_data['tags'] = related_tags
        ajax_data['interesting_tag_names'] = None
        ajax_data['threads'] = page
        extra_context = context.get_extra(
                                    'ASKBOT_QUESTIONS_PAGE_EXTRA_CONTEXT',
                                    request,
                                    ajax_data
                                )
        del ajax_data['tags']
        del ajax_data['interesting_tag_names']
        del ajax_data['threads']

        ajax_data.update(extra_context)

        return HttpResponse(simplejson.dumps(ajax_data), mimetype = 'application/json')

    else: # non-AJAX branch

        template_data = {
            'active_tab': 'questions',
            'author_name' : meta_data.get('author_name',None),
            'contributors' : contributors,
            'context' : paginator_context,
            'is_unanswered' : False,#remove this from template
            'interesting_tag_names': meta_data.get('interesting_tag_names', None),
            'ignored_tag_names': meta_data.get('ignored_tag_names', None),
            'subscribed_tag_names': meta_data.get('subscribed_tag_names', None),
            'language_code': translation.get_language(),
            'name_of_anonymous_user' : models.get_name_of_anonymous_user(),
            'page_class': 'main-page',
            'page_size': search_state.page_size,
            'query': search_state.query,
            'threads' : page,
            'questions_count' : paginator.count,
            'reset_method_count': reset_method_count,
            'scope': search_state.scope,

def tags(request):#view showing a listing of available tags - plain list

    form = ShowTagsForm(request.REQUEST)
    form.full_clean() #always valid
    page = form.cleaned_data['page']
    sort_method = form.cleaned_data['sort']
    query = form.cleaned_data['query']

    tag_list_type = askbot_settings.TAG_LIST_FORMAT

    #2) Get query set for the tags.
    query_params = {
        'deleted': False,
        'language_code': translation.get_language()
    }
    if query != '':
        query_params['name__icontains'] = query

    tags_qs = Tag.objects.filter(**query_params).exclude(used_count=0)

    if sort_method == 'name':
        order_by = 'name'
    else:
        order_by = '-used_count'


    tags_qs = tags_qs.order_by(order_by)

    #3) Start populating the template context.
    data = {
        'active_tab': 'tags',
        'page_class': 'tags-page',
        'tag_list_type' : tag_list_type,
        'query' : query,
        'tab_id' : sort_method,
        'keywords' : query,
        'search_state': SearchState(*[None for x in range(8)])
    }

    if tag_list_type == 'list':
        #plain listing is paginated
        objects_list = Paginator(tags_qs, DEFAULT_PAGE_SIZE)
        try:
            tags = objects_list.page(page)
        except (EmptyPage, InvalidPage):
            tags = objects_list.page(objects_list.num_pages)

        paginator_data = {
            'is_paginated' : (objects_list.num_pages > 1),
            'pages': objects_list.num_pages,
            'current_page_number': page,
            'page_object': tags,
            'base_url' : reverse('tags') + '?sort=%s&' % sort_method
        }
        paginator_context = functions.setup_paginator(paginator_data)
        data['paginator_context'] = paginator_context
    else:
        #tags for the tag cloud are given without pagination
        tags = tags_qs
        font_size = extra_tags.get_tag_font_size(tags)
        data['font_size'] = font_size

    data['tags'] = tags
    data.update(context.get_extra('ASKBOT_TAGS_PAGE_EXTRA_CONTEXT', request, data))

    if request.is_ajax():
        template = get_template('tags/content.html')
        template_context = RequestContext(request, data)
        json_data = {'success': True, 'html': template.render(template_context)}
        json_string = simplejson.dumps(json_data)
        return HttpResponse(json_string, content_type='application/json')
    else:
        return render(request, 'tags.html', data)

#.........这里部分代码省略.........
    page_objects = objects_list.page(show_page)

    # count visits
    signals.question_visited.send(None, request=request, question=question_post)

    paginator_data = {
        'is_paginated': (objects_list.count > const.ANSWERS_PAGE_SIZE),
        'pages': objects_list.num_pages,
        'current_page_number': show_page,
        'page_object': page_objects,
        'base_url': request.path + '?sort=%s&' % answer_sort_method,
    }
    paginator_context = functions.setup_paginator(paginator_data)

    # TODO: maybe consolidate all activity in the thread
    # for the user into just one query?
    favorited = thread.has_favorite_by_user(request.user)

    is_cacheable = True
    if show_page != 1:
        is_cacheable = False
    elif (show_comment_position or 0) > askbot_settings.MAX_COMMENTS_TO_SHOW:
        is_cacheable = False

    # maybe load draft
    initial = {}
    if request.user.is_authenticated():
        # TODO: refactor into methor on thread
        drafts = DraftAnswer.objects.filter(author=request.user, thread=thread)
        if drafts.count() > 0:
            initial['text'] = drafts[0].text

    custom_answer_form_path = getattr(django_settings, 'ASKBOT_NEW_ANSWER_FORM', None)
    if custom_answer_form_path:
        answer_form_class = load_module(custom_answer_form_path)
    else:
        answer_form_class = AnswerForm

    answer_form = answer_form_class(initial=initial, user=request.user)

    user_can_post_comment = (request.user.is_authenticated() and request.user.can_post_comment(question_post))

    new_answer_allowed = True
    previous_answer = None
    if request.user.is_authenticated():
        if askbot_settings.LIMIT_ONE_ANSWER_PER_USER:
            for answer in answers:
                if answer.author_id == request.user.pk:
                    new_answer_allowed = False
                    previous_answer = answer
                    break

    if request.user.is_authenticated() and askbot_settings.GROUPS_ENABLED:
        group_read_only = request.user.is_read_only()
    else:
        group_read_only = False

    data = {
        'active_tab': 'questions',
        'answer': answer_form,
        'answers': page_objects.object_list,
        'answer_count': thread.get_answer_count(request.user),
        'blank_comment': MockPost(post_type='comment', author=request.user),  # data for the js comment template
        'category_tree_data': askbot_settings.CATEGORY_TREE,
        'editor_is_unfolded': answer_form.has_data(),
        'favorited': favorited,
        'group_read_only': group_read_only,
        'is_cacheable': False,  # is_cacheable, # temporary, until invalidation fix
        'language_code': translation.get_language(),
        'long_time': const.LONG_TIME,  # "forever" caching
        'new_answer_allowed': new_answer_allowed,
        'oldest_answer_id': thread.get_oldest_answer_id(request.user),
        'page_class': 'question-page',
        'paginator_context': paginator_context,
        'previous_answer': previous_answer,
        'published_answer_ids': published_answer_ids,
        'question': question_post,
        'show_comment': show_comment,
        'show_comment_position': show_comment_position,
        'show_post': show_post,
        'similar_threads': thread.get_similar_threads(),
        'tab_id': answer_sort_method,
        'thread': thread,
        'thread_is_moderated': thread.is_moderated(),
        'user_is_thread_moderator': thread.has_moderator(request.user),
        'user_votes': user_votes,
        'user_post_id_list': user_post_id_list,
        'user_can_post_comment': user_can_post_comment,  # in general
    }

    # shared with ...
    if askbot_settings.GROUPS_ENABLED:
        data['sharing_info'] = thread.get_sharing_info()

    data.update(context.get_for_tag_editor())

    extra = context.get_extra('ASKBOT_QUESTION_PAGE_EXTRA_CONTEXT', request, data)
    data.update(extra)

    return render(request, 'question.jinja', data)

#.........这里部分代码省略.........
        subscribed_tag_names = None

    #    tags = models.Post.objects.filter(author=user).values('id', 'thread', 'thread__tags')
    #    post_ids = set()
    #    thread_ids = set()
    #    tag_ids = set()
    #    for t in tags:
    #        post_ids.add(t['id'])
    #        thread_ids.add(t['thread'])
    #        tag_ids.add(t['thread__tags'])
    #        if t['thread__tags'] == 11:
    #            print t['thread'], t['id']
    #    import ipdb; ipdb.set_trace()

    #
    # Badges/Awards (TODO: refactor into Managers/QuerySets when a pattern emerges; Simplify when we get rid of Question&Answer models)
    #
    post_type = ContentType.objects.get_for_model(models.Post)

    user_awards = models.Award.objects.filter(user=user).select_related("badge")

    awarded_post_ids = []
    for award in user_awards:
        if award.content_type_id == post_type.id:
            awarded_post_ids.append(award.object_id)

    awarded_posts = models.Post.objects.filter(id__in=awarded_post_ids).select_related(
        "thread"
    )  # select related to avoid additional queries in Post.get_absolute_url()

    awarded_posts_map = {}
    for post in awarded_posts:
        awarded_posts_map[post.id] = post

    badges_dict = collections.defaultdict(list)

    for award in user_awards:
        # Fetch content object
        if award.content_type_id == post_type.id:
            # here we go around a possibility of awards
            # losing the content objects when the content
            # objects are deleted for some reason
            awarded_post = awarded_posts_map.get(award.object_id, None)
            if awarded_post is not None:
                # protect from awards that are associated with deleted posts
                award.content_object = awarded_post
                award.content_object_is_post = True
            else:
                award.content_object_is_post = False
        else:
            award.content_object_is_post = False

        # "Assign" to its Badge
        badges_dict[award.badge].append(award)

    badges = badges_dict.items()
    badges.sort(key=operator.itemgetter(1), reverse=True)

    user_groups = models.Group.objects.get_for_user(user=user)
    user_groups = user_groups.exclude_personal()
    global_group = models.Group.objects.get_global_group()
    user_groups = user_groups.exclude(name=global_group.name)

    if request.user == user:
        groups_membership_info = user.get_groups_membership_info(user_groups)
    else:
        groups_membership_info = collections.defaultdict()

    data = {
        "active_tab": "users",
        "page_class": "user-profile-page",
        "support_custom_avatars": ("avatar" in django_settings.INSTALLED_APPS),
        "tab_name": "stats",
        "tab_description": _("user profile"),
        "page_title": _("user profile overview"),
        "user_status_for_display": user.get_status_display(soft=True),
        "questions": questions,
        "question_count": question_count,
        "top_answers": top_answers,
        "top_answer_count": top_answer_count,
        "up_votes": up_votes,
        "down_votes": down_votes,
        "total_votes": up_votes + down_votes,
        "votes_today_left": votes_total - votes_today,
        "votes_total_per_day": votes_total,
        "user_tags": user_tags,
        "user_groups": user_groups,
        "groups_membership_info": groups_membership_info,
        "interesting_tag_names": interesting_tag_names,
        "ignored_tag_names": ignored_tag_names,
        "subscribed_tag_names": subscribed_tag_names,
        "badges": badges,
        "total_badges": len(badges),
    }
    context.update(data)

    extra_context = view_context.get_extra("ASKBOT_USER_PROFILE_PAGE_EXTRA_CONTEXT", request, context)
    context.update(extra_context)

    return render(request, "user_profile/user_stats.html", context)