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changeset: 78011:ab22ffa6fb2e branch: 2.7 parent: 77995:45cd2d816f4d user: Terry Jan Reedy tjreedy@udel.edu date: Sun Jul 08 17:35:26 2012 -0400 files: Doc/library/functions.rst Doc/reference/simple_stmts.rst Misc/NEWS description: Issue #13557: Clarify effect of giving two different namespaces to exec or execfile(). diff -r 45cd2d816f4d -r ab22ffa6fb2e Doc/library/functions.rst --- a/Doc/library/functions.rst Sun Jul 08 02:22:44 2012 -0700 +++ b/Doc/library/functions.rst Sun Jul 08 17:35:26 2012 -0400 @@ -430,7 +430,10 @@ The arguments are a file name and two optional dictionaries. The file is parsed and evaluated as a sequence of Python statements (similarly to a module) using the *globals* and *locals* dictionaries as global and local namespace. If - provided, *locals* can be any mapping object. + provided, *locals* can be any mapping object. Remember that at module level, + globals and locals are the same dictionary. If two separate objects are + passed as *globals* and *locals*, the code will be executed as if it were + embedded in a class definition. .. versionchanged:: 2.4 formerly *locals* was required to be a dictionary. diff -r 45cd2d816f4d -r ab22ffa6fb2e Doc/reference/simple_stmts.rst --- a/Doc/reference/simple_stmts.rst Sun Jul 08 02:22:44 2012 -0700 +++ b/Doc/reference/simple_stmts.rst Sun Jul 08 17:35:26 2012 -0400 @@ -993,6 +993,9 @@ it should be a dictionary, which will be used for both the global and the local variables. If two expressions are given, they are used for the global and local variables, respectively. If provided, *locals* can be any mapping object. +Remember that at module level, globals and locals are the same dictionary. If +two separate objects are given as *globals* and *locals*, the code will be +executed as if it were embedded in a class definition. .. versionchanged:: 2.4 Formerly, *locals* was required to be a dictionary. diff -r 45cd2d816f4d -r ab22ffa6fb2e Misc/NEWS --- a/Misc/NEWS Sun Jul 08 02:22:44 2012 -0700 +++ b/Misc/NEWS Sun Jul 08 17:35:26 2012 -0400 @@ -284,7 +284,9 @@ - Issue #14437: Fix building the _io module under Cygwin. Documentation -------------- + +- Issue #13557: Clarify effect of giving two different namespaces to exec or + execfile(). - Issue #14034: added the argparse tutorial. /tjreedy@udel.edu