def check_builtin(option, opt, value):
(cvt, what) = _builtin_cvt[option.type]
try:
return cvt(value)
except ValueError:
raise OptionValueError(
_("option %s: invalid %s value: %r") % (opt, what, value))
def check_choice(option, opt, value):
if value in option.choices:
return value
else:
choices = ", ".join(map(repr, option.choices))
raise OptionValueError(
_("option %s: invalid choice: %r (choose from %s)") %
(opt, value, choices))
def format_usage(self, usage):
return "%s %s\n" % (self.format_heading(_("Usage")), usage)
def format_usage(self, usage):
return _("Usage: %s\n") % usage
else: # decimal
radix = 10
return type(val, radix)
def _parse_int(val):
return _parse_num(val, int)
def _parse_long(val):
return _parse_num(val, long)
_builtin_cvt = {
"int": (_parse_int, _("integer")),
"long": (_parse_long, _("long integer")),
"float": (float, _("floating-point")),
"complex": (complex, _("complex"))
}
def check_builtin(option, opt, value):
(cvt, what) = _builtin_cvt[option.type]
try:
return cvt(value)
except ValueError:
raise OptionValueError(
_("option %s: invalid %s value: %r") % (opt, what, value))