Пример #1
0
    def save_thumb(self, id, thumb=None, **kwargs):
        """Save a thumbnail uploaded with :class:`~mediadrop.forms.admin.ThumbForm`.

        :param id: Media ID. If ``"new"`` a new Media stub is created.
        :type id: ``int`` or ``"new"``
        :param file: The uploaded file
        :type file: :class:`cgi.FieldStorage` or ``None``
        :rtype: JSON dict
        :returns:
            success
                bool
            message
                Error message, if unsuccessful
            id
                The :attr:`~mediadrop.model.media.Media.id` which is
                important if a new media has just been created.

        """
        user = request.perm.user
        if id == 'new':
            media = Media()
            user = request.perm.user
            media.author = Author(user.display_name, user.email_address)
            media.title = os.path.basename(kwargs['file'].filename)
            media.slug = get_available_slug(Media, '_stub_' + media.title)
            DBSession.add(media)
            DBSession.flush()
        else:
            media = fetch_row(Media, id)
            group = request.perm.user.groups[0].group_name
            if media.author.name != user.display_name and group != 'admins':
                raise

        try:
            # Create JPEG thumbs
            create_thumbs_for(media, kwargs['file'].file,
                              kwargs['file'].filename)
            success = True
            message = None
        except IOError, e:
            success = False

            if id == 'new':
                DBSession.delete(media)

            if e.errno == 13:
                message = _('Permission denied, cannot write file')
            elif e.message == 'cannot identify image file':
                message = _('Unsupported image type: %s') \
                    % os.path.splitext(kwargs['file'].filename)[1].lstrip('.')
            elif e.message == 'cannot read interlaced PNG files':
                message = _('Interlaced PNGs are not supported.')
            else:
                raise
Пример #2
0
    def save_thumb(self, id, thumb, **kwargs):
        """Save a thumbnail uploaded with :class:`~mediadrop.forms.admin.ThumbForm`.

        :param id: Media ID. If ``"new"`` a new Media stub is created.
        :type id: ``int`` or ``"new"``
        :param file: The uploaded file
        :type file: :class:`cgi.FieldStorage` or ``None``
        :rtype: JSON dict
        :returns:
            success
                bool
            message
                Error message, if unsuccessful
            id
                The :attr:`~mediadrop.model.media.Media.id` which is
                important if a new media has just been created.

        """
        if id == 'new':
            media = Media()
            user = request.perm.user
            media.author = Author(user.display_name, user.email_address)
            media.title = os.path.basename(thumb.filename)
            media.slug = get_available_slug(Media, '_stub_' + media.title)
            DBSession.add(media)
            DBSession.flush()
        else:
            media = fetch_row(Media, id)

        try:
            # Create JPEG thumbs
            create_thumbs_for(media, thumb.file, thumb.filename)
            success = True
            message = None
        except IOError, e:
            success = False
            if id == 'new':
                DBSession.delete(media)
            if e.errno == 13:
                message = _('Permission denied, cannot write file')
            elif e.message == 'cannot identify image file':
                message = _('Unsupported image type: %s') \
                    % os.path.splitext(thumb.filename)[1].lstrip('.')
            elif e.message == 'cannot read interlaced PNG files':
                message = _('Interlaced PNGs are not supported.')
            else:
                raise
Пример #3
0
    def save_thumb(self, id, thumb, **values):
        """Save a thumbnail uploaded with :class:`~mediadrop.forms.admin.ThumbForm`.

        :param id: Media ID. If ``"new"`` a new Podcast stub is created.
        :type id: ``int`` or ``"new"``
        :param file: The uploaded file
        :type file: :class:`cgi.FieldStorage` or ``None``
        :rtype: JSON dict
        :returns:
            success
                bool
            message
                Error message, if unsuccessful
            id
                The :attr:`~mediadrop.model.podcasts.Podcast.id` which is
                important if a new podcast has just been created.

        """
        if id == 'new':
            return dict(
                success=False,
                message=
                u'You must first save the podcast before you can upload a thumbnail',
            )

        podcast = fetch_row(Podcast, id)

        try:
            # Create JPEG thumbs
            create_thumbs_for(podcast, thumb.file, thumb.filename)
            success = True
            message = None
        except IOError, e:
            success = False
            if e.errno == 13:
                message = _('Permission denied, cannot write file')
            elif e.message == 'cannot identify image file':
                message = _('Unsupport image type: %s') \
                    % os.path.splitext(thumb.filename)[1].lstrip('.')
            elif e.message == 'cannot read interlaced PNG files':
                message = _('Interlaced PNGs are not supported.')
            else:
                raise
Пример #4
0
    def save_thumb(self, id, thumb, **values):
        """Save a thumbnail uploaded with :class:`~mediadrop.forms.admin.ThumbForm`.

        :param id: Media ID. If ``"new"`` a new Podcast stub is created.
        :type id: ``int`` or ``"new"``
        :param file: The uploaded file
        :type file: :class:`cgi.FieldStorage` or ``None``
        :rtype: JSON dict
        :returns:
            success
                bool
            message
                Error message, if unsuccessful
            id
                The :attr:`~mediadrop.model.podcasts.Podcast.id` which is
                important if a new podcast has just been created.

        """
        if id == 'new':
            return dict(
                success = False,
                message = u'You must first save the podcast before you can upload a thumbnail',
            )

        podcast = fetch_row(Podcast, id)

        try:
            # Create JPEG thumbs
            create_thumbs_for(podcast, thumb.file, thumb.filename)
            success = True
            message = None
        except IOError, e:
            success = False
            if e.errno == 13:
                message = _('Permission denied, cannot write file')
            elif e.message == 'cannot identify image file':
                message = _('Unsupport image type: %s') \
                    % os.path.splitext(thumb.filename)[1].lstrip('.')
            elif e.message == 'cannot read interlaced PNG files':
                message = _('Interlaced PNGs are not supported.')
            else:
                raise
Пример #5
0
def add_new_media_file(media, file=None, url=None):
    """Create a MediaFile instance from the given file or URL.

    This function MAY modify the given media object.

    :type media: :class:`~mediadrop.model.media.Media` instance
    :param media: The media object that this file or URL will belong to.
    :type file: :class:`cgi.FieldStorage` or None
    :param file: A freshly uploaded file object.
    :type url: unicode or None
    :param url: A remote URL string.
    :rtype: :class:`~mediadrop.model.media.MediaFile`
    :returns: A newly created media file instance.
    :raises StorageError: If the input file or URL cannot be
        stored with any of the registered storage engines.

    """
    sorted_engines = enabled_engines()
    for engine in sorted_engines:
        try:
            meta = engine.parse(file=file, url=url)
            log.debug('Engine %r returned meta %r', engine, meta)
            break
        except UnsuitableEngineError:
            log.debug('Engine %r unsuitable for %r/%r', engine, file, url)
            continue
    else:
        raise StorageError(_('Unusable file or URL provided.'), None, None)

    from mediadrop.model import DBSession, MediaFile
    mf = MediaFile()
    mf.storage = engine
    mf.media = media

    mf.type = meta['type']
    mf.display_name = meta.get('display_name', default_display_name(file, url))
    mf.unique_id = meta.get('unique_id', None)

    mf.container = meta.get('container', None)
    mf.size = meta.get('size', None)
    mf.bitrate = meta.get('bitrate', None)
    mf.width = meta.get('width', None)
    mf.height = meta.get('height', None)
    mf.tags = "one, two, three"

    media.files.append(mf)
    DBSession.flush()

    unique_id = engine.store(media_file=mf, file=file, url=url, meta=meta)

    if unique_id:
        mf.unique_id = unique_id
    elif not mf.unique_id:
        raise StorageError('Engine %r returned no unique ID.', engine)

    #Read id3 tag and extract the details from there
    from mediadrop.lib.storage import LocalFileStorage
    if (isinstance(engine, LocalFileStorage)):
        mf.id3tags = engine.get_id3_tags(unique_id)
        mf.extracted_tags = engine.get_id3_user_tags(unique_id)
        print("ID3 tags: ", mf.id3tags)
        if (mf.id3tags != None):
            mf.display_name = mf.id3tags['title'][0]

    if not media.duration and meta.get('duration', 0):
        media.duration = meta['duration']
    if not media.description and meta.get('description'):
        media.description = clean_xhtml(meta['description'])
    if not media.title:
        media.title = meta.get('title', None) or mf.display_name
    if media.type is None:
        media.type = mf.type

    if ('thumbnail_url' in meta or 'thumbnail_file' in meta) \
    and (not has_thumbs(media) or has_default_thumbs(media)):
        thumb_file = meta.get('thumbnail_file', None)

        if thumb_file is not None:
            thumb_filename = thumb_file.filename
        else:
            thumb_url = meta['thumbnail_url']
            thumb_filename = os.path.basename(thumb_url)

            # Download the image to a buffer and wrap it as a file-like object
            try:
                temp_img = urlopen(thumb_url)
                thumb_file = StringIO(temp_img.read())
                temp_img.close()
            except URLError, e:
                log.exception(e)

        if thumb_file is not None:
            create_thumbs_for(media, thumb_file, thumb_filename)
            thumb_file.close()
Пример #6
0
def add_new_media_file(media, file=None, url=None):
    """Create a MediaFile instance from the given file or URL.

    This function MAY modify the given media object.

    :type media: :class:`~mediadrop.model.media.Media` instance
    :param media: The media object that this file or URL will belong to.
    :type file: :class:`cgi.FieldStorage` or None
    :param file: A freshly uploaded file object.
    :type url: unicode or None
    :param url: A remote URL string.
    :rtype: :class:`~mediadrop.model.media.MediaFile`
    :returns: A newly created media file instance.
    :raises StorageError: If the input file or URL cannot be
        stored with any of the registered storage engines.

    """
    sorted_engines = enabled_engines()
    for engine in sorted_engines:
        try:
            meta = engine.parse(file=file, url=url)
            log.debug('Engine %r returned meta %r', engine, meta)
            break
        except UnsuitableEngineError:
            log.debug('Engine %r unsuitable for %r/%r', engine, file, url)
            continue
    else:
        raise StorageError(_('Unusable file or URL provided.'), None, None)

    from mediadrop.model import DBSession, MediaFile
    mf = MediaFile()
    mf.storage = engine
    mf.media = media

    mf.type = meta['type']
    mf.display_name = meta.get('display_name', default_display_name(file, url))
    mf.unique_id = meta.get('unique_id', None)

    mf.container = meta.get('container', None)
    mf.size = meta.get('size', None)
    mf.bitrate = meta.get('bitrate', None)
    mf.width = meta.get('width', None)
    mf.height = meta.get('height', None)

    media.files.append(mf)
    DBSession.flush()

    unique_id = engine.store(media_file=mf, file=file, url=url, meta=meta)

    if unique_id:
        mf.unique_id = unique_id
    elif not mf.unique_id:
        raise StorageError('Engine %r returned no unique ID.', engine)

    if not media.duration and meta.get('duration', 0):
        media.duration = meta['duration']
    if not media.description and meta.get('description'):
        media.description = clean_xhtml(meta['description'])
    if not media.title:
        media.title = meta.get('title', None) or mf.display_name
    if media.type is None:
        media.type = mf.type

    if ('thumbnail_url' in meta or 'thumbnail_file' in meta) \
    and (not has_thumbs(media) or has_default_thumbs(media)):
        thumb_file = meta.get('thumbnail_file', None)

        if thumb_file is not None:
            thumb_filename = thumb_file.filename
        else:
            thumb_url = meta['thumbnail_url']
            thumb_filename = os.path.basename(thumb_url)

            # Download the image to a buffer and wrap it as a file-like object
            try:
                temp_img = urlopen(thumb_url)
                thumb_file = StringIO(temp_img.read())
                temp_img.close()
            except URLError, e:
                log.exception(e)

        if thumb_file is not None:
            create_thumbs_for(media, thumb_file, thumb_filename)
            thumb_file.close()