From e98ccf66902f10ce2daaa33a22fb8ee8d99de18f Mon Sep 17 00:00:00 2001 From: Neal Norwitz Date: Thu, 23 Mar 2006 05:39:47 +0000 Subject: Forward port MvL's fix in 43227: Fix crash when a Unicode string containing an encoding declaration is compile()d. Fixes #1115379. --- Lib/test/test_compile.py | 4 ++++ Misc/NEWS | 3 +++ Python/ast.c | 4 ++++ 3 files changed, 11 insertions(+) diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py index 1d47f91..72c4f7e 100644 --- a/Lib/test/test_compile.py +++ b/Lib/test/test_compile.py @@ -284,6 +284,10 @@ if 1: f1, f2 = f() self.assertNotEqual(id(f1.func_code), id(f2.func_code)) + def test_unicode_encoding(self): + code = u"# -*- coding: utf-8 -*-\npass\n" + self.assertRaises(SyntaxError, compile, code, "tmp", "exec") + def test_subscripts(self): # SF bug 1448804 # Class to make testing subscript results easy diff --git a/Misc/NEWS b/Misc/NEWS index 400504d..f41f237 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -12,6 +12,9 @@ What's New in Python 2.5 alpha 1? Core and builtins ----------------- +- Bug #1115379: Compiling a Unicode string with an encoding declaration + now gives a SyntaxError. + - Previously, Python code had no easy way to access the contents of a cell object. Now, a ``cell_contents`` attribute has been added (closes patch #1170323). diff --git a/Python/ast.c b/Python/ast.c index 3c339f0..30275a6 100644 --- a/Python/ast.c +++ b/Python/ast.c @@ -191,6 +191,10 @@ PyAST_FromNode(const node *n, PyCompilerFlags *flags, const char *filename, if (flags && flags->cf_flags & PyCF_SOURCE_IS_UTF8) { c.c_encoding = "utf-8"; + if (TYPE(n) == encoding_decl) { + ast_error(n, "encoding declaration in Unicode string"); + goto error; + } } else if (TYPE(n) == encoding_decl) { c.c_encoding = STR(n); n = CHILD(n, 0); -- cgit v0.12