sigal/image.py
def generate_image(source, outname, settings, options=None):
    """Image processor, rotate and resize the image.

    :param source: path to an image
    :param outname: output filename
    :param settings: settings dict
    :param options: dict with PIL options (quality, optimize, progressive)

    """

    logger = logging.getLogger(__name__)

    if settings['use_orig'] or source.endswith('.gif'):
        utils.copy(source, outname, symlink=settings['orig_link'])
        return

    img = _read_image(source)
    original_format = img.format

    if settings['copy_exif_data'] and settings['autorotate_images']:
        logger.warning("The 'autorotate_images' and 'copy_exif_data' settings "
                       "are not compatible because Sigal can't save the "
                       "modified Orientation tag.")

    # Preserve EXIF data
    if settings['copy_exif_data'] and _has_exif_tags(img):
        if options is not None:
            options = deepcopy(options)
        else:
            options = {}
        options['exif'] = img.info['exif']

    # Rotate the img, and catch IOError when PIL fails to read EXIF
    if settings['autorotate_images']:
        try:
            img = Transpose().process(img)
        except (IOError, IndexError):
            pass

    # Resize the image
    if settings['img_processor']:
        try:
            logger.debug('Processor: %s', settings['img_processor'])
            processor_cls = getattr(pilkit.processors,
                                    settings['img_processor'])
        except AttributeError:
            logger.error('Wrong processor name: %s', settings['img_processor'])
            sys.exit()

        width, height = settings['img_size']

        if img.size[0] < img.size[1]:
            # swap target size if image is in portrait mode
            height, width = width, height

        processor = processor_cls(width, height, upscale=False)
        img = processor.process(img)

    # signal.send() does not work here as plugins can modify the image, so we
    # iterate other the receivers to call them with the image.
    for receiver in signals.img_resized.receivers_for(img):
        img = receiver(img, settings=settings)

    outformat = img.format or original_format or 'JPEG'
    logger.debug('Save resized image to %s (%s)', outname, outformat)
    save_image(img, outname, outformat, options=options, autoconvert=True)
def generate_image(source, outname, settings, options=None):
    """Image processor, rotate and resize the image.

    :param source: path to an image
    :param outname: output filename
    :param settings: settings dict
    :param options: dict with PIL options (quality, optimize, progressive)

    """

    logger = logging.getLogger(__name__)

    if settings['use_orig'] or source.endswith('.gif'):
        utils.copy(source, outname, symlink=settings['orig_link'])
        return

    img = _read_image(source)
    original_format = img.format

    if settings['copy_exif_data'] and settings['autorotate_images']:
        logger.warning("The 'autorotate_images' and 'copy_exif_data' settings "
                       "are not compatible because Sigal can't save the "
                       "modified Orientation tag.")

    # Preserve EXIF data
    if settings['copy_exif_data'] and _has_exif_tags(img):
        if options is not None:
            options = deepcopy(options)
        else:
            options = {}
        options['exif'] = img.info['exif']

    # Rotate the img, and catch IOError when PIL fails to read EXIF
    if settings['autorotate_images']:
        try:
            img = Transpose().process(img)
        except (IOError, IndexError):
            pass

    # Resize the image
    if settings['img_processor']:
        try:
            logger.debug('Processor: %s', settings['img_processor'])
            processor_cls = getattr(pilkit.processors,
                                    settings['img_processor'])
        except AttributeError:
            logger.error('Wrong processor name: %s', settings['img_processor'])
            sys.exit()

        width, height = settings['img_size']

        if img.size[0] < img.size[1]:
            # swap target size if image is in portrait mode
            height, width = width, height

        processor = processor_cls(width, height, upscale=False)
        img = processor.process(img)

    # signal.send() does not work here as plugins can modify the image, so we
    # iterate other the receivers to call them with the image.
    for receiver in signals.img_resized.receivers_for(img):
        img = receiver(img, settings=settings)

    outformat = img.format or original_format or 'JPEG'
    logger.debug('Save resized image to %s (%s)', outname, outformat)
    save_image(img, outname, outformat, options=options, autoconvert=True)
def generate_image ( source , outname , settings , options = None ) : logger = logging . getLogger ( __name__ ) if settings [ 'use_orig' ] or source . endswith ( '.gif' ) : utils . copy ( source , outname , symlink = settings [ 'orig_link' ] ) return img = _read_image ( source ) original_format = img . format if settings [ 'copy_exif_data' ] and settings [ 'autorotate_images' ] : logger . warning ( "The 'autorotate_images' and 'copy_exif_data' settings " "are not compatible because Sigal can't save the " "modified Orientation tag." ) # Preserve EXIF data if settings [ 'copy_exif_data' ] and _has_exif_tags ( img ) : if options is not None : options = deepcopy ( options ) else : options = { } options [ 'exif' ] = img . info [ 'exif' ] # Rotate the img, and catch IOError when PIL fails to read EXIF if settings [ 'autorotate_images' ] : try : img = Transpose ( ) . process ( img ) except ( IOError , IndexError ) : pass # Resize the image if settings [ 'img_processor' ] : try : logger . debug ( 'Processor: %s' , settings [ 'img_processor' ] ) processor_cls = getattr ( pilkit . processors , settings [ 'img_processor' ] ) except AttributeError : logger . error ( 'Wrong processor name: %s' , settings [ 'img_processor' ] ) sys . exit ( ) width , height = settings [ 'img_size' ] if img . size [ 0 ] < img . size [ 1 ] : # swap target size if image is in portrait mode height , width = width , height processor = processor_cls ( width , height , upscale = False ) img = processor . process ( img ) # signal.send() does not work here as plugins can modify the image, so we # iterate other the receivers to call them with the image. for receiver in signals . img_resized . receivers_for ( img ) : img = receiver ( img , settings = settings ) outformat = img . format or original_format or 'JPEG' logger . debug ( 'Save resized image to %s (%s)' , outname , outformat ) save_image ( img , outname , outformat , options = options , autoconvert = True )
Image processor, rotate and resize the image.

    :param source: path to an image
    :param outname: output filename
    :param settings: settings dict
    :param options: dict with PIL options (quality, optimize, progressive)
Image processor rotate and resize the image .