Exemplo n.º 1
0
def _add_new_media_file(media, original_filename, file):
    # FIXME: I think this will raise a KeyError if the uploaded
    #        file doesn't have an extension.
    file_ext = os.path.splitext(original_filename)[1].lower()[1:]

    # set the file paths depending on the file type
    media_file = MediaFile()
    media_file.type = file_ext
    media_file.url = 'dummy_url' # model requires that url not NULL
    media_file.is_original = True
    media_file.enable_player = media_file.is_playable
    media_file.enable_feed = not media_file.is_embeddable
    media_file.size = os.fstat(file.fileno())[6]

    # update media relations
    media.files.append(media_file)

    # add the media file (and its media, if new) to the database to get IDs
    DBSession.add(media_file)
    DBSession.flush()

    # copy the file to its permanent location
    file_name = '%d_%d_%s.%s' % (media.id, media_file.id, media.slug, file_ext)
    file_url = _store_media_file(file, file_name)
    media_file.url = file_url

    return media_file
Exemplo n.º 2
0
    def add_file(self, id, file=None, url=None, **kwargs):
        """Save action for the :class:`~mediacore.forms.media.AddFileForm`.

        Creates a new :class:`~mediacore.model.media.MediaFile` from the
        uploaded file or the local or remote URL.

        :param id: Media ID. If ``"new"`` a new Media stub is created with
            :func:`~mediacore.model.media.create_media_stub`.
        :type id: :class:`int` or ``"new"``
        :param file: The uploaded file
        :type file: :class:`cgi.FieldStorage` or ``None``
        :param url: A URL to a recognizable audio or video file
        :type url: :class:`unicode` or ``None``
        :rtype: JSON dict
        :returns:
            success
                bool
            message
                Error message, if unsuccessful
            media_id
                The :attr:`~mediacore.model.media.Media.id` which is
                important if new media has just been created.
            file_id
                The :attr:`~mediacore.model.media.MediaFile.id` for the newly
                created file.
            edit_form
                The rendered XHTML :class:`~mediacore.forms.media.EditFileForm`
                for this file.
            status_form
                The rendered XHTML :class:`~mediacore.forms.media.UpdateStatusForm`

        """
        if id == 'new':
            media = create_media_stub()
        else:
            media = fetch_row(Media, id, incl_trash=True)

        try:
            if file is not None:
                # Create a media object, add it to the video, and store the file permanently.
                media_file = _add_new_media_file(media, file.filename, file.file)
            elif url:
                media_file = MediaFile()
                # Parse the URL checking for known embeddables like YouTube
                for type, info in config.embeddable_filetypes.iteritems():
                    match = re.match(info['pattern'], url)
                    if match:
                        media_file.type = type
                        media_file.url = match.group('id')
                        media_file.enable_feed = False
                        break
                else:
                    # Check for types we can play ourselves
                    type = os.path.splitext(url)[1].lower()[1:]
                    for playable_types in config.playable_types.itervalues():
                        if type in playable_types:
                            media_file.type = type
                            media_file.url = url
                            break
                    else:
                        raise Exception, 'Unsupported URL %s' % url
            else:
                raise Exception, 'Given no action to perform.'

            media.files.append(media_file)
            media.update_type()
            media.update_status()
            DBSession.add(media)
            DBSession.flush()

            # Render some widgets so the XHTML can be injected into the page
            edit_form_xhtml = unicode(edit_file_form.display(
                action=url_for(action='edit_file', id=media.id),
                file=media_file))
            status_form_xhtml = unicode(update_status_form.display(
                action=url_for(action='update_status', id=media.id),
                media=media))

            return dict(
                success = True,
                media_id = media.id,
                file_id = media_file.id,
                edit_form = edit_form_xhtml,
                status_form = status_form_xhtml,
            )
        except Exception, e:
            return dict(
                success = False,
                message = e.message,
            )