From: Terry Jan Reedy Date: Wed, 28 Oct 2015 07:14:46 +0000 (-0400) Subject: Issue #25432: Explain isinstance behaviour when type is a tuple. X-Git-Tag: v2.7.11rc1~54 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0a1ba709493656cb6f450c0ec3d07566185104b4;p=thirdparty%2FPython%2Fcpython.git Issue #25432: Explain isinstance behaviour when type is a tuple. --- diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst index 8fac44816772..8b677edeeb80 100644 --- a/Doc/library/functions.rst +++ b/Doc/library/functions.rst @@ -687,10 +687,10 @@ section. is a type object (new-style class) and *object* is an object of that type or of a (direct, indirect or :term:`virtual `) subclass thereof. If *object* is not a class instance or - an object of the given type, the function always returns false. If *classinfo* - is neither a class object nor a type object, it may be a tuple of class or type - objects, or may recursively contain other such tuples (other sequence types are - not accepted). If *classinfo* is not a class, type, or tuple of classes, types, + an object of the given type, the function always returns false. + If *classinfo* is a tuple of class or type objects (or recursively, other + such tuples), return true if *object* is an instance of any of the classes + or types. If *classinfo* is not a class, type, or tuple of classes, types, and such tuples, a :exc:`TypeError` exception is raised. .. versionchanged:: 2.2 @@ -1762,4 +1762,3 @@ bypass these functions without concerns about missing something important. .. [#] In the current implementation, local variable bindings cannot normally be affected this way, but variables retrieved from other scopes (such as modules) can be. This may change. -