commit 0868942e7722f73f53fe9c8b730fd3acc9f2d2e7
author Damien George <damien.p.george@gmail.com> Sun Feb 15 00:02:27 2015 +0000
committer Damien George <damien.p.george@gmail.com> Sun Feb 15 00:02:27 2015 +0000
tree 64d5127104517526a26db7cc0bbf38ffe7899514
parent 1b8e76b8e64ff801d11c6f420158f10c5b13c4ff

py: Check for valid file when creating lexer for execfile.

Addresses issue #1119.

py/builtinevex.c

diff --git a/py/builtinevex.c b/py/builtinevex.c
index 85ffbf4..4cafc5e 100644
--- a/py/builtinevex.c
+++ b/py/builtinevex.c
@@ -134,6 +134,9 @@
     mp_lexer_t *lex;
     if (MICROPY_PY_BUILTINS_EXECFILE && parse_input_kind == MP_PARSE_SINGLE_INPUT) {
         lex = mp_lexer_new_from_file(str);
+        if (lex == NULL) {
+            nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "could not open file '%s'", str));
+        }
         parse_input_kind = MP_PARSE_FILE_INPUT;
     } else {
         lex = mp_lexer_new_from_str_len(MP_QSTR__lt_string_gt_, str, str_len, 0);