Set __file__ for the main source file (e.g. code.py, main.py)

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/utils/pyexec.c b/lib/utils/pyexec.c
index e637fe544..e8a1983b0 100755
--- a/lib/utils/pyexec.c
+++ b/lib/utils/pyexec.c
@@ -89,6 +89,9 @@ STATIC int parse_compile_execute(const void *source, mp_parse_input_kind_t input
             }
             // source is a lexer, parse and compile the script
             qstr source_name = lex->source_name;
+            if (input_kind == MP_PARSE_FILE_INPUT) {
+                mp_store_global(MP_QSTR___file__, MP_OBJ_NEW_QSTR(source_name));
+            }
             mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
             module_fun = mp_compile(&parse_tree, source_name, MP_EMIT_OPT_NONE, exec_flags & EXEC_FLAG_IS_REPL);
             // Clear the parse tree because it has a heap pointer we don't need anymore.