def get_block_with_arg(block_name, arg):
block_library = BlockLibrary()
block_library.autodiscover()
try:
return block_library.get_block(block_name)(arg)
except NotInLibraryException:
return ''
class BlockNode(template.Node):
def __init__(self, arguments):
self.block_library = BlockLibrary()
self.block_library.autodiscover()
self.block_name = arguments[0][1:-1]
self.argument = arguments[1][1:-1] if len(arguments) > 1 else None
def render(self, context):
try:
block = self.block_library.get_block(self.block_name)
except NotInLibraryException:
return ''
if not self.argument:
return block()
else:
return block(self.argument)
def __init__(self, arguments):
self.block_library = BlockLibrary()
self.block_library.autodiscover()
self.block_name = arguments[0][1:-1]
self.argument = arguments[1][1:-1] if len(arguments) > 1 else None
