wasp: Automatically generate watch.py for PineTime

This should ensure that main.py is always up to date.

1 files changed, 27 insertions, 0 deletions

diff --git a/tools/preprocess.py b/tools/preprocess.py
new file mode 100755
index 0000000..4c43c2a
--- /dev/null
+++ b/tools/preprocess.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+# SPDX-License-Identifier: LGPL-3.0-or-later
+# Copyright (C) 2020 Daniel Thompson
+"""Quick and dirty macro processor.
+
+Currently the only support macro is #include!
+"""
+
+import sys
+
+def preprocess(fname):
+    with open(fname) as f:
+        for ln in f.readlines():
+            ln = ln.rstrip()
+
+            macro = ln.lstrip()
+            if macro.startswith('#include'):
+                exec(macro[1:])
+            else:
+                print(ln)
+
+def include(fname):
+    preprocess(fname)
+
+for arg in sys.argv[1:]:
+    preprocess(arg)