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from degal.command import command

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from degal import templates

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def render_image_html (ctx, image) :

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    """

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        Render the thumbnails and .html for one image

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    """

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    # render output

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    tpl = templates.master(ctx.gallery, image.title, image.html, 

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        templates.image_page(image)

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    )

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    # write output

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    tpl.render_file(image.html)

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def render_image_thumbs (image) :

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    """

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        Render the thubmnails for the given image

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    """

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    image.update()

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    """

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        Render the given series of images

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    """

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    # render them in parallel as required

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    for image in images :

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        # log image path

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        ctx.log_info("%s", image)

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        # render HTML

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        render_image_html(ctx, image)

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def render_folder_page (ctx, folder) :

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    """

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        Render the .html output for one folder

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    """

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    # render each page separately

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    for page in xrange(folder.page_count) :

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        # output .html page

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        html_file = folder.html_file(page)

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        # render template

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        tpl = templates.master(ctx.gallery, folder.title, html_file,

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            templates.folder_page(folder, page)

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        )

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        # write output

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        tpl.render_file(html_file)

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def render_folder (ctx, folder) :

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    """

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        Render the HTML/images for this folder if needed, and recrurse into subfolders.

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    """

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    image_count = len(folder.images)

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        # update folder index

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        render_folder_page(ctx, folder)

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        ctx.log_info("%s - render %d/%d images", folder, len(new_images), image_count)

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        # update images

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    else :

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        ctx.log_info("%s - up to date", folder)

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    # index subfolders

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    for subfolder in folder.subfolders :

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        render_folder(ctx, subfolder)

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@command

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def main (ctx) :

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    """

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        Scan the gallery for new folders/images, and render updated ones

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    """

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    # render the gallery

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    render_folder(ctx, ctx.gallery)

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