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| Python 3.6.5 Documentation > Superseded Modules
Superseded Modules The modules described in this chapter are deprecated and only kept for * "optparse" — Parser for command line options * Background * Terminology * What are options for? * What are positional arguments for? * Tutorial * Understanding option actions * The store action * Handling boolean (flag) options * Other actions * Default values * Generating help * Grouping Options * Printing a version string * How "optparse" handles errors * Putting it all together * Reference Guide * Creating the parser * Populating the parser * Defining options * Option attributes * Standard option actions * Standard option types * Parsing arguments * Querying and manipulating your option parser * Conflicts between options * Cleanup * Other methods * Option Callbacks * Defining a callback option * How callbacks are called * Raising errors in a callback * Callback example 1: trivial callback * Callback example 2: check option order * Callback example 3: check option order (generalized) * Callback example 4: check arbitrary condition * Callback example 5: fixed arguments * Callback example 6: variable arguments * Extending "optparse" * Adding new types * Adding new actions * "imp" — Access the "import" internals * Examples |
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