middleware stub for uno

templates/uno/test

+#!/usr/bin/env python3
+
+import os
+import sys
+import subprocess
+
+
+def flash():
+    pipe = subprocess.PIPE
+    p = subprocess.Popen(['platformio', 'run', '-e', 'uno', '--target', 'upload'],
+            stdout=sys.stderr, stdin=pipe)
+    stdout, stderr = p.communicate("") 
+
+def main(argv):
+    print(argv[0], file=sys.stderr)
+    script_dir = os.path.split(argv[0])[0]
+    if len(script_dir) > 0:
+        os.chdir(script_dir)
+    flash()
+    return 0;
+
+
+if __name__ == "__main__":
+    sys.exit(main(sys.argv))

test.py

@@ -23,6 +23,9 @@ def main(argv):
 
     def read(l):
         data = p.stdout.read(l)
+        if len(data) == 0:
+            print("Unexpected end of stream", file=sys.stderr)
+            sys.exit(1)
         if len(data) != l:
             raise Exception("could not read %d bytes of data (got %d)" % (l, len(data)))
         return data