optparse.HelpFormatter

Module optparse :: Class HelpFormatter

Class HelpFormatter

Known Subclasses:: IndentedHelpFormatter

Abstract base class for formatting option help.  OptionParser
instances should use one of the HelpFormatter subclasses for
formatting help; by default IndentedHelpFormatter is used.

Instance attributes:
  parser : OptionParser
    the controlling OptionParser instance
  indent_increment : int
    the number of columns to indent per nesting level
  max_help_position : int
    the maximum starting column for option help text
  help_position : int
    the calculated starting column for option help text;
    initially the same as the maximum
  width : int
    total number of columns for output (pass None to constructor for
    this value to be taken from the $COLUMNS environment variable)
  level : int
    current indentation level
  current_indent : int
    current indentation level (in columns)
  help_width : int
    number of columns available for option help text (calculated)
  default_tag : str
    text to replace with each option's default value, "%default"
    by default.  Set to false value to disable default value expansion.
  option_strings : { Option : str }
    maps Option instances to the snippet of help text explaining
    the syntax of that option, e.g. "-h, --help" or
    "-fFILE, --file=FILE"
  _short_opt_fmt : str
    format string controlling how short options with values are
    printed in help text.  Must be either "%s%s" ("-fFILE") or
    "%s %s" ("-f FILE"), because those are the two syntaxes that
    Optik supports.
  _long_opt_fmt : str
    similar but for long options; must be either "%s %s" ("--file FILE")
    or "%s=%s" ("--file=FILE").

Method Summary
	`__init__(self, indent_increment, max_help_position, width, short_first)`
	`dedent(self)`
	`expand_default(self, option)`
	`format_description(self, description)`
	`format_heading(self, heading)`
	`format_option(self, option)`
	`format_option_strings(self, option)` Return a comma-separated list of option strings & metavariables.
	`format_usage(self, usage)`
	`indent(self)`
	`set_long_opt_delimiter(self, delim)`
	`set_parser(self, parser)`
	`set_short_opt_delimiter(self, delim)`
	`store_option_strings(self, parser)`

Class Variable Summary
`str`	`NO_DEFAULT_VALUE` = `'none'`

Method Details

format_option_strings(self, option)

Return a comma-separated list of option strings & metavariables.

Class Variable Details

NO_DEFAULT_VALUE

Type:: str
Value:: 'none'

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