var completionSpec = { 
name: "python",
description: "Run the python interpretor",
args: { 
generators: { 
script: "ls -1 | grep .py",
splitOn: "\n"}
}
,
options: [{ 
name: ["-c <cmd>"] ,
insertValue: "-c '{cursor}'",
description: "program passed in as string (terminates option list)",
args: { 
}
}
] }
;