~launchpad-pqm/launchpad/devel

#!${buildout:executable} -S

import os

import sys

# Initialize our paths.

${python-relative-path-setup}

sys.path.insert(0, ${scripts:parts-directory|path-repr})

import site

from lp.services.spriteutils import SpriteUtil

command_options = ('create-image', 'create-css')

def usage():

    return " Usage: %s %s" % (sys.argv[0], '|'.join(command_options))

if len(sys.argv) != 2:

    print >> sys.stderr, "Expected a single argument."

    print >> sys.stderr, usage()

    sys.exit(1)

else:

    command = sys.argv[1]

    if command not in command_options:

        print >> sys.stderr, "Unknown argument: %s" % command

        print >> sys.stderr, usage()

        sys.exit(2)

icing = ${buildout:directory/lib/canonical/launchpad/icing|path-repr}

combined_image_file = os.path.join(icing, 'icon-sprites')

positioning_file = os.path.join(icing, 'icon-sprites.positioning')

css_template_file = os.path.join(icing, 'sprite.css.in')

css_file = os.path.join(icing, 'build/sprite.css')

sprite_util = SpriteUtil(

    css_template_file, 'icon-sprites',

    url_prefix_substitutions={'/@@/': '../images/'})

if command == 'create-image':

    sprite_util.combineImages(icing)

    sprite_util.savePNG(combined_image_file)

    sprite_util.savePositioning(positioning_file)

elif command == 'create-css':

    sprite_util.loadPositioning(positioning_file)

    # The icing/icon-sprites file is relative to the css file

    # in the icing/build/ directory.

    sprite_util.saveConvertedCSS(css_file, '../icon-sprites')