From 2e516074daee76fb3e0710a893a0f40532bb3252 Mon Sep 17 00:00:00 2001
From: Ayke van Laethem
Date: Thu, 14 Jun 2018 15:57:29 +0200
Subject: py: Implement a module system for external, user C modules.

This system makes it a lot easier to include external libraries as static,
native modules in MicroPython.  Simply pass USER_C_MODULES (like
FROZEN_MPY_DIR) as a make parameter.
---
 tools/gen-cmodules.py | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100755 tools/gen-cmodules.py

(limited to 'tools')

diff --git a/tools/gen-cmodules.py b/tools/gen-cmodules.py
new file mode 100755
index 000000000..524e3c03d
--- /dev/null
+++ b/tools/gen-cmodules.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+
+# Generate genhdr/cmodules.h for inclusion in py/objmodule.c.
+
+from __future__ import print_function
+
+import sys
+import os
+from glob import glob
+
+def update_modules(path):
+    modules = []
+    for module in sorted(os.listdir(path)):
+        if not os.path.isfile('%s/%s/micropython.mk' % (path, module)):
+            continue # not a module
+        modules.append(module)
+
+    # Print header file for all external modules.
+    print('// Automatically generated by genmodules.py.\n')
+    for module in modules:
+        print('extern const struct _mp_obj_module_t %s_user_cmodule;' % module)
+    print('\n#define MICROPY_EXTRA_BUILTIN_MODULES \\')
+    for module in modules:
+        print('    { MP_ROM_QSTR(MP_QSTR_%s), MP_ROM_PTR(&%s_user_cmodule) }, \\' % (module, module))
+    print()
+
+if __name__ == '__main__':
+    update_modules(sys.argv[1])
-- 
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