Context

If true, short options can be grouped after a single - prefix.

If false, options and arguments cannot be mixed; the first time an argument is encountered, all remaining tokens are parsed as arguments.

A block that returns the content of an argument file for a given filename.

The prefix to add to inferred envvar names. If null, the prefix is based on the parent's prefix, if there is one. If no command specifies, a prefix, envvar lookup is disabled.

The command that this context associated with.

A callback called when the command line contains an invalid option or subcommand name. It takes the entered name and a list of all registered names option/subcommand names and filters the list down to values to suggest to the user.

If true, an error was previously encountered while parsing the command line, but parsing is continuing to collect any more errors into a MultiUsageError.

If true, arguments starting with @ will be expanded as argument files. If false, they will be treated as normal arguments.

The help formatter for this command.

The names to use for the help option. If any names in the set conflict with other options, the conflicting name will not be used for the help option. If the set is empty, or contains no unique names, no help option will be added.

If this command has subcommands and one of them was invoked, this is the subcommand that will be run next.

Localized strings to use for help output and error reporting.

An arbitrary object on the context.

The original command line arguments.

If this context is the child of another command, parent is the parent command's context.

Set this to false to prevent extra messages from being printed automatically. You can still access them at CliktCommand.messages inside of CliktCommand.run.

A function called by Clikt to get a parameter value from a given environment variable

If false,the valueSource is searched before environment variables.

The terminal to used to read and write messages.

The current terminal's theme

An optional transformation function that is called to transform command line tokens (options and commands) before parsing. This can be used to implement e.g. case-insensitive behavior.

The source that will attempt to read values for options that aren't present on the command line.

Return a list of command names, starting with the topmost command and ending with this Context's command.

Throw a UsageError with the given message

Find the closest object of type T

Find the closest object of type T, setting this.obj if one is not found.

Find the outermost context

Return a list of command names, starting with the topmost command and ending with this Context's parent.