h2o-py/h2o/utils/typechecks.py
def _check_type(var, vtype):
    """
    Return True if the variable is of the specified type, and False otherwise.

    :param var: variable to check
    :param vtype: expected variable's type
    """
    if vtype is None:
        return var is None
    if isinstance(vtype, _primitive_type):
        return var == vtype
    if vtype is str:
        return isinstance(var, _str_type)
    if vtype is int:
        return isinstance(var, _int_type)
    if vtype is numeric:
        return isinstance(var, _num_type)
    if isinstance(vtype, MagicType):
        return vtype.check(var)
    if isinstance(vtype, type):
        # ``vtype`` is a name of the class, or a built-in type such as "list", "tuple", etc
        return isinstance(var, vtype)
    if isinstance(vtype, list):
        # ``vtype`` is a list literal
        elem_type = U(*vtype)
        return isinstance(var, list) and all(_check_type(item, elem_type) for item in var)
    if isinstance(vtype, set):
        # ``vtype`` is a set literal
        elem_type = U(*vtype)
        return isinstance(var, set) and all(_check_type(item, elem_type) for item in var)
    if isinstance(vtype, tuple):
        # ``vtype`` is a tuple literal
        return (isinstance(var, tuple) and len(vtype) == len(var) and
                all(_check_type(var[i], vtype[i]) for i in range(len(vtype))))
    if isinstance(vtype, dict):
        # ``vtype`` is a dict literal
        ttkv = U(*viewitems(vtype))
        return isinstance(var, dict) and all(_check_type(kv, ttkv) for kv in viewitems(var))
    if isinstance(vtype, (FunctionType, BuiltinFunctionType)):
        return vtype(var)
    raise RuntimeError("Ivalid type %r in _check_type()" % vtype)
def _check_type(var, vtype):
    if vtype is None:
        return var is None
    if isinstance(vtype, _primitive_type):
        return var == vtype
    if vtype is str:
        return isinstance(var, _str_type)
    if vtype is int:
        return isinstance(var, _int_type)
    if vtype is numeric:
        return isinstance(var, _num_type)
    if isinstance(vtype, MagicType):
        return vtype.check(var)
    if isinstance(vtype, type):
        # ``vtype`` is a name of the class, or a built-in type such as "list", "tuple", etc
        return isinstance(var, vtype)
    if isinstance(vtype, list):
        # ``vtype`` is a list literal
        elem_type = U(*vtype)
        return isinstance(var, list) and all(_check_type(item, elem_type) for item in var)
    if isinstance(vtype, set):
        # ``vtype`` is a set literal
        elem_type = U(*vtype)
        return isinstance(var, set) and all(_check_type(item, elem_type) for item in var)
    if isinstance(vtype, tuple):
        # ``vtype`` is a tuple literal
        return (isinstance(var, tuple) and len(vtype) == len(var) and
                all(_check_type(var[i], vtype[i]) for i in range(len(vtype))))
    if isinstance(vtype, dict):
        # ``vtype`` is a dict literal
        ttkv = U(*viewitems(vtype))
        return isinstance(var, dict) and all(_check_type(kv, ttkv) for kv in viewitems(var))
    if isinstance(vtype, (FunctionType, BuiltinFunctionType)):
        return vtype(var)
    raise RuntimeError("Ivalid type %r in _check_type()" % vtype)
def _check_type ( var , vtype ) : if vtype is None : return var is None if isinstance ( vtype , _primitive_type ) : return var == vtype if vtype is str : return isinstance ( var , _str_type ) if vtype is int : return isinstance ( var , _int_type ) if vtype is numeric : return isinstance ( var , _num_type ) if isinstance ( vtype , MagicType ) : return vtype . check ( var ) if isinstance ( vtype , type ) : # ``vtype`` is a name of the class, or a built-in type such as "list", "tuple", etc return isinstance ( var , vtype ) if isinstance ( vtype , list ) : # ``vtype`` is a list literal elem_type = U ( * vtype ) return isinstance ( var , list ) and all ( _check_type ( item , elem_type ) for item in var ) if isinstance ( vtype , set ) : # ``vtype`` is a set literal elem_type = U ( * vtype ) return isinstance ( var , set ) and all ( _check_type ( item , elem_type ) for item in var ) if isinstance ( vtype , tuple ) : # ``vtype`` is a tuple literal return ( isinstance ( var , tuple ) and len ( vtype ) == len ( var ) and all ( _check_type ( var [ i ] , vtype [ i ] ) for i in range ( len ( vtype ) ) ) ) if isinstance ( vtype , dict ) : # ``vtype`` is a dict literal ttkv = U ( * viewitems ( vtype ) ) return isinstance ( var , dict ) and all ( _check_type ( kv , ttkv ) for kv in viewitems ( var ) ) if isinstance ( vtype , ( FunctionType , BuiltinFunctionType ) ) : return vtype ( var ) raise RuntimeError ( "Ivalid type %r in _check_type()" % vtype )
Return True if the variable is of the specified type, and False otherwise.

    :param var: variable to check
    :param vtype: expected variable's type
Return True if the variable is of the specified type and False otherwise .