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Python DBSession.expunge方法代码示例

本文整理汇总了Python中mediacore.model.meta.DBSession.expunge方法的典型用法代码示例。如果您正苦于以下问题:Python DBSession.expunge方法的具体用法?Python DBSession.expunge怎么用?Python DBSession.expunge使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在mediacore.model.meta.DBSession的用法示例。


在下文中一共展示了DBSession.expunge方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: save

# 需要导入模块: from mediacore.model.meta import DBSession [as 别名]
# 或者: from mediacore.model.meta.DBSession import expunge [as 别名]
    def save(self, id, slug, title, author_name, author_email,
             description, notes, details, podcast, tags, categories,
             delete=None, **kwargs):
        """Save changes or create a new :class:`~mediacore.model.media.Media` instance.

        Form handler the :meth:`edit` action and the
        :class:`~mediacore.forms.admin.media.MediaForm`.

        Redirects back to :meth:`edit` after successful editing
        and :meth:`index` after successful deletion.

        """
        media = fetch_row(Media, id)

        if delete:
            file_paths = helpers.thumb_paths(media)
            for f in media.files:
                file_paths.append(f.file_path)
                # Remove the file from the session so that SQLAlchemy doesn't
                # try to issue an UPDATE to set the MediaFile.media_id to None.
                # The database ON DELETE CASCADE handles everything for us.
                DBSession.expunge(f)
            DBSession.delete(media)
            transaction.commit()
            helpers.delete_files(file_paths, 'media')
            redirect(action='index', id=None)

        media.slug = get_available_slug(Media, slug, media)
        media.title = title
        media.author = Author(author_name, author_email)
        media.description = description
        media.notes = notes
        media.duration = details['duration'] # validator converts hh:mm:ss to secs
        media.podcast_id = podcast
        media.set_tags(tags)
        media.set_categories(categories)

        media.update_status()
        DBSession.add(media)
        DBSession.flush()

        if id == 'new':
            helpers.create_default_thumbs_for(media)

        redirect(action='edit', id=media.id)
开发者ID:86me,项目名称:mediacore,代码行数:47,代码来源:media.py

示例2: save

# 需要导入模块: from mediacore.model.meta import DBSession [as 别名]
# 或者: from mediacore.model.meta.DBSession import expunge [as 别名]
    def save(self, id, slug, title, author_name, author_email,
             description, notes, podcast, tags, categories,
             delete=None, **kwargs):
        """Save changes or create a new :class:`~mediacore.model.media.Media` instance.

        Form handler the :meth:`edit` action and the
        :class:`~mediacore.forms.admin.media.MediaForm`.

        Redirects back to :meth:`edit` after successful editing
        and :meth:`index` after successful deletion.

        """
        media = fetch_row(Media, id)

        if delete:
            file_paths = thumb_paths(media).values()
            for f in media.files:
                file_paths.append(f.file_path)
                # Remove the file from the session so that SQLAlchemy doesn't
                # try to issue an UPDATE to set the MediaFile.media_id to None.
                # The database ON DELETE CASCADE handles everything for us.
                DBSession.expunge(f)
            DBSession.delete(media)
            DBSession.commit()
            helpers.delete_files(file_paths, Media._thumb_dir)
            redirect(action='index', id=None)

        if not slug:
            slug = title
        elif slug.startswith('_stub_'):
            slug = slug[len('_stub_'):]
        if slug != media.slug:
            media.slug = get_available_slug(Media, slug, media)
        media.title = title
        media.author = Author(author_name, author_email)
        media.description = description
        media.notes = notes
        media.podcast_id = podcast
        media.set_tags(tags)
        media.set_categories(categories)

        media.update_status()
        DBSession.add(media)
        DBSession.flush()

        if id == 'new':
            create_default_thumbs_for(media)

        if request.is_xhr:
            status_form_xhtml = unicode(update_status_form.display(
                action=url_for(action='update_status', id=media.id),
                media=media))

            return dict(
                media_id = media.id,
                values = {'slug': slug},
                link = url_for(action='edit', id=media.id),
                status_form = status_form_xhtml,
            )
        else:
            redirect(action='edit', id=media.id)
开发者ID:RadioErewan,项目名称:mediacore,代码行数:63,代码来源:media.py


注:本文中的mediacore.model.meta.DBSession.expunge方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。