bin/meson-options.py

   1 #!/usr/bin/env python3
   2
   3 from os import get_terminal_size
   4 from textwrap import wrap
   5 from mesonbuild import coredata
   6 from mesonbuild import optinterpreter
   7
   8 (COLUMNS, _) = get_terminal_size()
   9
  10 def describe_option(option_name: str, option_default_value: str,
  11                     option_type: str, option_message: str) -> None:
  12     print('name:    ' + option_name)
  13     print('default: ' + option_default_value)
  14     print('type:    ' + option_type)
  15     for line in wrap(option_message, width=COLUMNS - 9):
  16         print('         ' + line)
  17     print('---')
  18
  19 oi = optinterpreter.OptionInterpreter('')
  20 oi.process('meson_options.txt')
  21
  22 for (name, value) in oi.options.items():
  23     if isinstance(value, coredata.UserStringOption):
  24         describe_option(name,
  25                         value.value,
  26                         'string',
  27                         "You can type what you want, but make sure it makes sense")
  28     elif isinstance(value, coredata.UserBooleanOption):
  29         describe_option(name,
  30                         'true' if value.value else 'false',
  31                         'boolean',
  32                         "You can set it to 'true' or 'false'")
  33     elif isinstance(value, coredata.UserIntegerOption):
  34         describe_option(name,
  35                         str(value.value),
  36                         'integer',
  37                         "You can set it to any integer value between '{}' and '{}'".format(value.min_value, value.max_value))
  38     elif isinstance(value, coredata.UserUmaskOption):
  39         describe_option(name,
  40                         str(value.value),
  41                         'umask',
  42                         "You can set it to 'preserve' or a value between '0000' and '0777'")
  43     elif isinstance(value, coredata.UserComboOption):
  44         choices = '[' + ', '.join(["'" + v + "'" for v in value.choices]) + ']'
  45         describe_option(name,
  46                         value.value,
  47                         'combo',
  48                         "You can set it to any one of those values: " + choices)
  49     elif isinstance(value, coredata.UserArrayOption):
  50         choices = '[' + ', '.join(["'" + v + "'" for v in value.choices]) + ']'
  51         value = '[' + ', '.join(["'" + v + "'" for v in value.value]) + ']'
  52         describe_option(name,
  53                         value,
  54                         'array',
  55                         "You can set it to one or more of those values: " + choices)
  56     elif isinstance(value, coredata.UserFeatureOption):
  57         describe_option(name,
  58                         value.value,
  59                         'feature',
  60                         "You can set it to 'auto', 'enabled', or 'disabled'")
  61     else:
  62         print(name + ' is an option of a type unknown to this script')
  63         print('---')