class CompressedCSSNode(template.Node):
def __init__(self, name):
self.name = name
self.packager = Packager()
def render(self, context):
package_name = template.Variable(self.name).resolve(context)
try:
package = self.packager.package_for('css', package_name)
except PackageNotFound:
return '' # fail silently, do not return anything if an invalid group is specified
if settings.COMPRESS:
compressed_path = self.packager.pack_stylesheets(package)
return self.render_css(package, compressed_path)
else:
package['paths'] = self.packager.compile(package['paths'])
return self.render_individual(package)
def render_css(self, package, path):
context = {}
if not 'template' in package:
package['template'] = "compress/css.html"
if not 'context' in package:
context = package['context']
context.update({
'url': self.packager.individual_url(path)
})
return render_to_string(package['template'], context)
def render_individual(self, package):
tags = [self.render_css(package, path) for path in package['paths']]
return '\n'.join(tags)
def handle_noargs(self, **options):
from compress.packager import Packager
packager = Packager(
force=options.get('force', False),
verbose=int(options.get('verbosity', 1)) >= 2
)
for package_name in packager.packages['css']:
package = packager.package_for('css', package_name)
if packager.verbose or packager.force:
print
message = "CSS Group '%s'" % package_name
print message
print len(message) * '-'
packager.pack_stylesheets(package)
for package_name in packager.packages['js']:
package = packager.package_for('js', package_name)
if packager.verbose or packager.force:
print
message = "JS Group '%s'" % package_name
print message
print len(message) * '-'
packager.pack_javascripts(package)