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LegacyPythonAPI
Renaud Guillard edited this page Jul 3, 2013
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- [Python command line parser API](#Python command line parser API)
- [Program module](#Program module)
- [Parser result](#Parser result)
- Tweaking
- [Code snippets](#Code snippets)
res = program.parse(*argv*)
- //##argv##//
- Command line argument array. This should be `sys.argv[1:len(sys.argv)]`
- Return value
- `ParserResult`
print program.usage(*parser_result*, *usage_flags*)
- //##parser_result##//
- The `ParserResult` returned by `Program.parse` or `None`
- //##usage_flags##//
- A combination of the `Program.Usage` flags
- Return value
- A string
A ParserResult
instance is returned by the Program.parse()
function
Attributes | Type | Description | |
---|---|---|---|
`is_valid` | Boolean | `True` if no errors were reported | |
`options` | Dynamic object | Each attribute of this object represents the value of a program option. Attributes name refers to the value of `<databinding><variable /><databinding/>` node in the program interface XML definition file. Depending on the option type, the associated value can be a boolean value, a string, an array of string or a `GroupOptionResult` | |
`subcommand` | `SubcommandResult` or `None` | Contains informations on the selected subcommand (if any) | |
`values` | Array of strings | Array of all positional arguments (command line arguments which are not option names, option arguments nor subcommand names) | |
`issues` | Dictionnary | Contains all messages generated by the parser, grouped by severity. Keys: `debug`, `notices`, `warnings`, `errors`. Each key contains an array of strings. |
Option value for all option groups.
Attributes | Type | Description | |
---|---|---|---|
`is_set` | Boolean | `True` if at least one of the group sub-options was present (and valid) on the command line | |
`options` | Dynamic object | A subset of the `ParserResult.options` with only the group sub-options. |
Exclusive groups adds the following attributes
Attributes | Type | Description | |
---|---|---|---|
`selected_option` | *Mixed* | A reference to the value of the selected option (or `None` if none was selected) | |
`selected_option_name` | String | The name of the selected option (an attribute name of `GroupOptionResult.options`) |
Attributes | Type | Description | |
---|---|---|---|
`name` | String | Subcommand name as describe by the `<name />` node of the program interface XML definition file | |
`options` | Dynamic object | Like `ParserResult.options`, represents the subcommand options value(s) |