google.appengine.api.datastore.NormalizeAndTypeCheck

Preview

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Normalizes and type checks the given argument.

google.appengine.api.datastore.NormalizeAndTypeCheck(
    arg, types
)

Args
arg	an instance or iterable of the given type(s)
types	allowed type or tuple of types

Returns
A (list, bool) tuple. The list is a normalized, shallow copy of the argument. The boolean is True if the argument was a sequence, False if it was a single object.

Raises
AssertionError	types includes list or tuple.
BadArgumentError	arg is not an instance or sequence of one of the given types.