def _check_args(self, args):
""" _check_args is a helper method for checking the validity
of the arguments provided.
"""
if not isinstance(args, list) or not len(args) >= 2:
raise FunctionArgumentException(
"Argument of attribute getter "
"function '%s' must be a list of "
"indeces; got: '%s'" % (self.name, args)
)
if not is_homogeneous(args, (str, int)):
raise FunctionArgumentException("'%s': argument must be a list of strings; got: '%s'" % (self.name, args))
def _check_args(self, args):
""" _check_args is a helper method for checking the validity
of the arguments provided.
"""
if not isinstance(args, list) or not len(args) >= 2:
raise FunctionArgumentException("Argument of attribute getter "
"function '%s' must be a list of "
"indeces; got: '%s'" %
(self.name, args))
if not is_homogeneous(args, (str, int)):
raise FunctionArgumentException(
"'%s': argument must be a list of strings; got: '%s'" %
(self.name, args))
def _check_args(self, args):
""" _check_args validates the provided set of arguments. """
# check if list:
if not is_homogeneous(args, (str,)):
raise FunctionArgumentException(
"Argument of mapping function '%s' must be a list;"
"of strings; got: '%s'" % (self.name, args)
)
# check if list of proper length:
if not len(args) == 3:
raise FunctionArgumentException(
"%s: argument list must have the three elements;"
" got: '%s'" % (self.name, args)
)
def _check_args(self, args):
""" _check_args validates the provided set of arguments. """
if not len(args) == 2:
raise exceptions.FunctionArgumentException(
"'%s': expected exactly two arguments (string separator and"
"list of strings), got: '%s'." % (self.name, args))
if not isinstance(args[0], str):
raise exceptions.FunctionArgumentException(
"First argument of joining function '%s' must be a string"
", got: '%s'" % (self.name, type(args)))
if not is_homogeneous(args[1], (str, int)):
raise exceptions.FunctionArgumentException(
"Second argument of joining function '%s' must "
"be a list of strings and/or numbers, got: '%s'" %
(self.name, args[1]))
def _check_args(self, args):
""" _check_args validates the provided set of arguments. """
if not len(args) == 2:
raise exceptions.FunctionArgumentException(
"'%s': expected exactly two arguments (string separator and"
"list of strings), got: '%s'." % (self.name, args)
)
if not isinstance(args[0], str):
raise exceptions.FunctionArgumentException(
"First argument of joining function '%s' must be a string"
", got: '%s'" % (self.name, type(args))
)
if not is_homogeneous(args[1], (str, int)):
raise exceptions.FunctionArgumentException(
"Second argument of joining function '%s' must "
"be a list of strings and/or numbers, got: '%s'" % (
self.name, args[1]
)
)