diff options
| -rw-r--r-- | Python/compile.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Python/compile.c b/Python/compile.c index c562def..7b17404 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -1522,8 +1522,15 @@ com_argument(struct compiling *c, node *n, PyObject **pkeywords) m = CHILD(m, 0); } while (NCH(m) == 1); if (TYPE(m) != NAME) { + /* f(lambda x: x[0] = 3) ends up getting parsed with + * LHS test = lambda x: x[0], and RHS test = 3. + * SF bug 132313 points out that complaining about a keyword + * then is very confusing. + */ com_error(c, PyExc_SyntaxError, - "keyword can't be an expression"); + TYPE(m) == lambdef ? + "lambda cannot contain assignment" : + "keyword can't be an expression"); } else { PyObject *v = PyString_InternFromString(STR(m)); |