From efcf9903a9cb3095199f36ff9d2405bdfc0776cd Mon Sep 17 00:00:00 2001
From: M4x1m3 <M4x1me@protonmail.com>
Date: Sun, 5 Jul 2020 21:15:58 +0200
Subject: [PATCH] [mpy/files] implemented open

---
 python/port/builtins.c       | 10 ++++++++++
 python/port/mod/ion/file.cpp | 20 +++++++++++++++++++-
 python/port/mod/ion/file.h   |  9 +++++++++
 3 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 python/port/mod/ion/file.h

diff --git a/python/port/builtins.c b/python/port/builtins.c
index fa0e1f3be..fbe121d30 100644
--- a/python/port/builtins.c
+++ b/python/port/builtins.c
@@ -1,9 +1,19 @@
 #include "py/builtin.h"
 #include "py/obj.h"
+#include "py/runtime.h"
+#include "mod/ion/file.h"
 #include <string.h>
 #include "mphalport.h"
 
 mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
+    mp_arg_check_num(n_args, kwargs->used, 1, 2, false);
+    
+    if (n_args == 2) {
+        return file_open_mode(args[0], args[1]);
+    } else {
+        return file_open(args[0]);
+    }
+    
     return mp_const_none;
 }
 MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
diff --git a/python/port/mod/ion/file.cpp b/python/port/mod/ion/file.cpp
index bf72e0bab..325fc5c9d 100644
--- a/python/port/mod/ion/file.cpp
+++ b/python/port/mod/ion/file.cpp
@@ -7,6 +7,8 @@ extern "C" {
 #include <py/stream.h>
 #include <py/builtin.h>
 #include <py/obj.h>
+#include <py/misc.h>
+#include "file.h"
 }
 
 #include <algorithm>
@@ -156,7 +158,8 @@ extern const mp_obj_type_t file_type = {
     0,                  // flags
     MP_QSTR_file,       // name
     file_print,         // __repr__, __srt__
-    file_make_new,      // __new__, __init__
+//  file_make_new,      // __new__, __init__
+    nullptr,            // __new__, __init__
     nullptr,            // __call__
     nullptr,            // unary operations
     nullptr,            // binary operations
@@ -998,3 +1001,18 @@ STATIC mp_obj_t file_truncate(size_t n_args, const mp_obj_t* args) {
     return mp_const_none;
 }
 
+mp_obj_t file_open(mp_obj_t file_name) {
+    mp_obj_t args[1];
+    args[0] = file_name;
+
+    return file_make_new(nullptr, 1, 0, args);
+}
+
+mp_obj_t file_open_mode(mp_obj_t file_name, mp_obj_t file_mode) {
+    mp_obj_t args[2];
+    args[0] = file_name;
+    args[1] = file_mode;
+
+    return file_make_new(nullptr, 2, 0, args);
+}
+
diff --git a/python/port/mod/ion/file.h b/python/port/mod/ion/file.h
new file mode 100644
index 000000000..ea9bfded0
--- /dev/null
+++ b/python/port/mod/ion/file.h
@@ -0,0 +1,9 @@
+#ifndef MP_MOD_FILE_H
+#define MP_MOD_FILE_H
+
+#include <py/obj.h>
+
+mp_obj_t file_open(mp_obj_t file_name);
+mp_obj_t file_open_mode(mp_obj_t file_name, mp_obj_t file_mode);
+
+#endif