def setvalue(cls, service: "CoreService", key: str, value: str) -> None:
"""
Set values for this service.
:param service: service to get value list for
:param key: key to set value for
:param value: value of key to set
:return: nothing
"""
if key not in cls.keys:
raise ValueError("key `%s` not in `%s`" % (key, cls.keys))
# this handles data conversion to int, string, and tuples
if value:
if key == "startidx":
value = int(value)
elif key == "meta":
value = str(value)
else:
value = utils.make_tuple_fromstr(value, str)
if key == "dirs":
service.dirs = value
elif key == "files":
service.configs = value
elif key == "cmdup":
service.startup = value
elif key == "cmddown":
service.shutdown = value
elif key == "cmdval":
service.validate = value
elif key == "meta":
service.meta = value
def test_make_tuple_fromstr(self):
# given
no_args = "()"
one_arg = "('one',)"
two_args = "('one', 'two')"
unicode_args = u"('one', 'two', 'three')"
# when
no_args = utils.make_tuple_fromstr(no_args, str)
one_arg = utils.make_tuple_fromstr(one_arg, str)
two_args = utils.make_tuple_fromstr(two_args, str)
unicode_args = utils.make_tuple_fromstr(unicode_args, str)
# then
assert no_args == ()
assert len(one_arg) == 1
assert len(two_args) == 2
assert len(unicode_args) == 3
def _value_to_params(value: str) -> Optional[Tuple[str]]:
"""
Helper to convert a parameter to a parameter tuple.
:param value: value string to convert to tuple
:return: parameter tuple, None otherwise
"""
try:
values = utils.make_tuple_fromstr(value, str)
if not hasattr(values, "__iter__"):
return None
if len(values) < 2:
return None
return values
except SyntaxError:
logger.exception("error in value string to param list")
return None