snippet cls
class ${1:MyClass}(${2:object}):
	  
    def __init__( self${4/([^,])?(.*)/(?1:, )/}${4:arg} ):
		"""
		TODO: Fill me in
		"""
${2/object$|(.+)/(?1:\t\t$0.__init__\(self\)\n\n)/}${4/(\A\s*,\s*\Z)|,?\s*([A-Za-z_][A-Za-z0-9_]*)\s*(=[^,]*)?(,\s*|$)/(?2:\t\tself._$2 = $2\n)/g}		$0
endsnippet